Patent application number | Description | Published |
20100245452 | Method And Apparatus For Melt Cessation To Limit Ink Flow And Ink Stick Deformation - A system controls application of heat with a melt plate to an ink stick in a solid ink imaging device. The system includes a melt plate, a heater configured to heat the melt plate to a temperature sufficient to melt solid ink, a feed channel configured to direct solid ink sticks towards the melt plate to enable a leading edge of a solid ink stick to be melted by the heated melt plate, and a controller configured to separate the heater and the leading edge of the ink stick by a distance that arrest melting of the ink stick. | 09-30-2010 |
20100245506 | Method And Apparatus For Melt Cessation To Limit Ink Flow And Ink Stick Deformation - A system has been developed that controls application of heat with a melt plate to an ink stick in a solid ink imaging device. The system includes a melt plate, a heater configured to heat the melt plate to a temperature sufficient to melt solid ink, a heat transfer unit configured to cool the melt plate to arrest the melting of the solid ink within a predetermined time, and a controller configured to actuate the heat transfer unit to selectively cool the melt plate in response to reaching a heater power off phase. | 09-30-2010 |
20120218327 | Method And Apparatus For Melt Cessation To Limit Ink Flow And Ink Stick Deformation - A system controls application of heat with a melt plate to an ink stick in a solid ink imaging device. The system includes a melt plate, a heater configured to heat the melt plate to a temperature sufficient to melt solid ink, a feed channel configured to direct solid ink sticks towards the melt plate to enable a leading edge of a solid ink stick to be melted by the heated melt plate, and a controller configured to separate the heater and the leading edge of the ink stick by a distance that arrest melting of the ink stick. | 08-30-2012 |
Patent application number | Description | Published |
20090273658 | Heated Ink Delivery System - An ink umbilical provides different colors of heated ink to multiple print heads in an integrated structure. The ink umbilical includes a first and a second plurality of conduits, each conduit in the first and the second plurality of conduits having a flat surface between a first end and a second end of the conduit, and a heater having a first side and a second side, the flat surfaces of the conduits in the first plurality of conduits being coupled to the first side of the heater and the flat surfaces of the conduits in the second plurality of conduits being coupled to the second side of the heater to enable the heater to heat ink being carried between the first and the second ends of the conduits in the first and in the second plurality of conduits. | 11-05-2009 |
20100020144 | Check Valve Unit For Solid Ink Reservoir System - A check valve unit is provided for a high-speed phase change ink image producing machine between a reservoir for receiving and holding a volume of melted ink from a source and a receiving unit, which may be a printhead system. The check valve unit includes a plurality of ball elements trapped between upper and lower housings defining a like plurality of inlet and discharge passageways. The passageways are configured to optimize flow of melted ink through the unit during charging of the secondary reservoir. The check valve unit is scalable as to size and number of reservoirs for a particular application. The unit further incorporates features that simplify the manufacturing and assembly process while maintaining optimal performance. | 01-28-2010 |
20100123762 | Ink Umbilical Interface To A Printhead In A Printer - An ink umbilical interface facilitates removal of the umbilical from a printhead while better preserving the integrity of the interface seal. The ink umbilical interface includes an ink umbilical connector having a plurality of conduits terminating within the connector and a tapered nozzle extending from each conduit in the plurality of conduits, each conduit communicating with a liquid ink reservoir, a backplate of a printhead having a plurality of openings, each opening being positioned to receive one of the tapered nozzles extending from the ink umbilical connector, and at least one sealing member positioned between the backplate and the ink umbilical connector, the sealing member having at least one opening to align with one of the backplate openings and receive one of the tapered nozzles. | 05-20-2010 |
20100123763 | Air Filter For Use With A Liquid Ink Umbilical Interface In A Printer - An air filter is configured for incorporation in a solid ink umbilical interface to a printhead. The air filter includes a housing having a first component and a second component that mate to one another to form the housing with an internal cavity, the housing having an air inlet and an air outlet, an air filter media positioned within the housing to divide the internal cavity; and at least one retention tab extending from the housing to engage an ink umbilical connector housing at a position that locates the air outlet of the air filter proximate an ink nozzle array extending from the ink umbilical connector. | 05-20-2010 |
20110187800 | Heated Ink Delivery System - A liquid ink transport assembly mitigates the migration of ink dye from one conduit in a plurality of conduits to another conduit in the plurality of conduits. The liquid ink transport assembly includes a plurality of conduits, each conduit in the plurality having a first end and a second end, the conduits in the plurality being arranged in a parallel configuration with at least one conduit being spatially separated from an adjacent conduit by a first distance that is greater than a second distance spatially separating other conduits in the plurality of conduits, and a heater, the plurality of conduits being positioned proximate to a first side of the heater to enable the heater to heat ink being carried between the first and the second ends of the plurality of conduits. | 08-04-2011 |
20110205317 | Heated Ink Delivery System - An ink umbilical provides different colors of heated ink to multiple print heads in an integrated structure. The ink umbilical includes a first plurality of ink carrying conduits mounted on one side of a heater and a second plurality of conduits mounted on a second side of the heater opposite the first side of the heater. The heater is operated to keep the ink in the conduits on each of the heater in a predetermined temperature range. | 08-25-2011 |
20120133714 | Check Valve Unit For Solid Ink Reservoir System - A check valve unit is provided for a high-speed phase change ink image producing machine between a reservoir for receiving and holding a volume of melted ink from a source and a receiving unit, which may be a printhead system. The check valve unit includes a plurality of ball elements trapped between upper and lower housings defining a like plurality of inlet and discharge passageways. The passageways are configured to optimize flow of melted ink through the unit during charging of the secondary reservoir. The check valve unit is scalable as to size and number of reservoirs for a particular application. The unit further incorporates features that simplify the manufacturing and assembly process while maintaining optimal performance. | 05-31-2012 |
20130147878 | REDUCTION OF ARC-TRACKING IN CHIP ON FLEXIBLE CIRCUIT SUBSTRATES - A flexible circuit substrate has an integrated circuit mounted on the substrate, a first set of traces arranged to connect between a first voltage source and a first set of connectors on the integrated circuit, a second set of traces arranged to connect between a second voltage source and a second set of connectors on the integrated circuit, and a gap in the flexible circuit substrate between the first and second set of traces, the gap of sufficient width to stop an electrical arc-tracking between the first set of traces and the second set of traces. The substrate may have a second gap between the first gap and other traces. | 06-13-2013 |
20130180771 | SUSPENDED LATTICE FOR ELECTRICAL INTERCONNECTS - An electrical interconnect has a circuit substrate and an electrical connection point on the circuit substrate. The electrical connection point includes a lattice of conductive material that is adjacent a gap in the circuit substrate and has anchor points that are attached to the circuit substrate. In some configurations, a conductive epoxy encapsulates at least a portion of the lattice of conductive material and may include a second electrical connection point that is bonded to the other electrical connection point through the conductive epoxy. | 07-18-2013 |
20130229472 | Heated Ink Delivery System - A liquid ink transport assembly mitigates the migration of ink dye from one conduit in a plurality of conduits to another conduit in the plurality of conduits. The liquid ink transport assembly includes a plurality of conduits, each conduit in the plurality having a first end and a second end, the conduits in the plurality being arranged in a parallel configuration with at least one conduit being spatially separated from an adjacent conduit by a first distance that is greater than a second distance spatially separating other conduits in the plurality of conduits, and a heater, the plurality of conduits being positioned proximate to a first side of the heater to enable the heater to heat ink being carried between the first and the second ends of the plurality of conduits. | 09-05-2013 |
20130333208 | REDUCTION OF ARC-TRACKING IN CHIP ON FLEXIBLE CIRCUIT SUBSTRATES - A method of manufacturing a flexible circuit, including forming a first set of traces, forming a second set of traces, and cutting a gap between the first and second set of traces. | 12-19-2013 |
20150054878 | SYSTEMS AND METHODS FOR HEATING AND MEASURING TEMPERATURE OF PRINT HEAD JET STACKS - Print head jet stack heating and temperature measurement systems and methods are disclosed that both heat the jet stack and determine a temperature of the jet stack. The heating and temperature determination are performed by a flex circuit that includes multiple layers. One of the layers heats the jet stack and another one of the layers provides data that determines the temperature of the jet stack. The heating layer and the temperature sensing layer are separated by an insulative material in the flex circuit. The temperature of the jet stack can be sent to a print head controller that then determines whether to increase or decrease the temperature of the jet stack. | 02-26-2015 |
Patent application number | Description | Published |
20130066404 | Light therapy platform system - Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly comprising a first wall to which the lamps are affixed thereto and a second wall, closer to the patient, spaced from the first wall wherein the lamps are recessed relative thereto. The second wall comprises a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs on the first wall for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed between the first and second wall so that the reflective surface is relatively smooth and seamless towards the patient. The walls have a malleable rigidity for flexible adjustability relative to the user. The device is mounted to the user with a frame comprising an eyeglass frame or goggles including lenses for shielding the user's eyes from lamp radiation. | 03-14-2013 |
20140257192 | SYSTEMS AND METHODS FOR ADMINISTERING MEDICATION - The syringe systems disclosed herein provide in part devices for allowing patients with compromised joint strength to more easily administer medicine. Certain exemplary syringe embodiments include a handle forming a handgrip, a syringe barrel that magnifies the dosage marks located on an inner barrel, and a tip cap slidably engageable with the syringe barrel for shielding a needle. | 09-11-2014 |
20140263105 | CLEAN WATER MOPPING SYSTEM - A filter bucket and a mop bucket movable relative to the filter bucket between a use position and a drain position. When the mop bucket is in the drain position, the water in the mop bucket drains into the filter bucket. A fluid flow path is provided between the filter bucket and the mop bucket and a filter is located in the fluid flow path such that water flows through the fluid flow path and the filter when the mop bucket is moved from the drain position to the use position. | 09-18-2014 |
20140264205 | SYSTEMS AND METHODS FOR RECHARGING AN AUTO-INJECTOR - Systems, devices, and methods are described for resetting an auto-injector. In one aspect, a device for resetting an auto-injector comprises a housing having a receiving shaft into which the auto-injector can be inserted in a receiving direction, a reset element configured to engage a collar of the auto-injector, and a post configured to engage a plunger within the auto-injector when the auto-injector is inserted into the receiving shaft. The reset element moves the collar relative to the auto-injector in a first direction along the receiving direction. The post moves the plunger in a second direction relative to the auto-injector opposite the receiving direction. | 09-18-2014 |
20140276568 | SYSTEMS AND METHODS FOR DAMPENING FRICTION IN AN AUTOINJECTOR DEVICE - Systems, devices, and methods are described for using an autoinjector device. In one aspect, an autoinjector device comprises a housing and a plunger slidably mounted to the housing, the plunger including a tapered region. An actuator urges the plunger with respect to the housing from a storage position to a launch position, and a friction element about a portion of the tapered region resists a movement of the plunger from the storage position to the launch position. | 09-18-2014 |
20140358072 | AUTO-INJECTOR - There is provided an auto-injector for a syringe that is suitable for use in the injected delivery of drug to a patient. The auto-injector comprises a cassette unit arranged for receipt of a syringe provided with a needle cover and removable cap. The auto-injector also comprises a drive unit arranged for docking receipt of the cassette unit at a docking position and a drive arrangement. The drive unit is provided with a timer that starts a time count on removal of the removable cap and needle cover from the cassette unit. | 12-04-2014 |
20140358085 | AUTO-INJECTOR - There is provided a cassette unit that is suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The cassette unit housing cavity is arranged for receipt of a syringe that is suitable for use in the injected delivery of drug to a patient. The cassette unit includes a removable cap that fits over and thereby, acts such as to close off the needle projection aperture; and connecting to the removable cap, a needle cover defining a needle sheath for sheathing of the needle tip of the syringe. The removable cap is provided with a finger-grip feature that is sized and shaped for gripping by the finger of a user to allow for removal of the removable cap and needle cover from the cassette unit housing. | 12-04-2014 |
20150134033 | LIGHT THERAPY PLATFORM SYSTEM - Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly comprising a first wall to which the lamps are affixed thereto and a second wall, closer to the patient, spaced from the first wall wherein the lamps are recessed relative thereto. The second wall comprises a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs on the first wall for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed between the first and second wall so that the reflective surface is relatively smooth and seamless towards the patient. The walls may include an eye slot. The device is mounted to the user with a frame comprising an eyeglass frame or goggles including lenses for shielding the user's eyes from lamp radiation. | 05-14-2015 |
20150141931 | SYSTEMS FOR AUTOMATICALLY ADMINISTERING MEDICATION - The autoinjector systems disclosed herein provide in part devices for allowing patients with reduced joint strength to more easily administer medicine. Certain exemplary syringe embodiments include a housing, a syringe assembly slidably mounted on the housing, and a needle cap releasably engaged to the housing, where the cap includes a protruding pocket for receiving a needle cap remover. | 05-21-2015 |
20150174340 | SYRINGE SAFETY ASSEMBLY - Systems, devices, and methods are provided for providing safe syringe assemblies for injections. The syringe assemblies include a shielding mechanism that covers a syringe needle after an injection is delivered, thereby reducing the risk of a subsequent accidental stab from the needle. The shielding mechanism has a pre-injection configuration in which the needle extends beyond the housing and a post-injection configuration in which at least one component of the syringe assembly covers the needle. In some implementations, the syringe assembly includes a lock that inhibits the assembly from returning to the pre-injection configuration once an injection is delivered. The syringe assemblies may also include a bevel orientation mechanism that allows a user to align a needle bevel to accurately insert a needle for injection. | 06-25-2015 |
Patent application number | Description | Published |
20090159595 | Beverage container lid - A beverage container lid for a container base having a reservoir, the lid comprising a shell removably mountable on the base comprising a first drink passage that extends through the shell and communicates with ambient and a cartridge removably engageable to the shell. A second drink passage is in communication with the first drink passage and is formed between an outer surface of the cartridge and inner surface of the shell. The cartridge comprises a valve that is moveable between an open condition and closed condition to control communication between the reservoir and second drink passage. | 06-25-2009 |
20110062753 | Child chair - A child's chair is disclosed having, in its most basic form, a frame having four legs, a seat having a bottom support and a back support, and a tray. To these basic components, numerous modifications can be made to customize features of the chair for enhancing safety and convenience, and/or adapting to additional possible uses. Each of the disclosed embodiments includes at least one of either an adjustable seat, an adjustable footrest, a center post mounted tray, a multiple position, single-hand adjustable tray, a concealed release button, and any combination of such features. | 03-17-2011 |
20130079717 | SYRINGE SAFETY ASSEMBLY - Systems, devices, and methods are provided for providing safe syringe assemblies for injections. The syringe assemblies include a shielding mechanism that covers a syringe needle after an injection is delivered, thereby reducing the risk of a subsequent accidental stab from the needle. The shielding mechanism has a pre-injection configuration in which the needle extends beyond the housing and a post-injection configuration in which at least one component of the syringe assembly covers the needle. In some implementations, the syringe assembly includes a lock that inhibits the assembly from returning to the pre-injection configuration once an injection is delivered. The syringe assemblies may also include a bevel orientation mechanism that allows a user to align a needle bevel to accurately insert a needle for injection. | 03-28-2013 |
20140330203 | AUTO-INJECTOR - Provided is a cassette unit suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The cassette unit housing cavity is arranged for receipt of a syringe. The syringe has a barrel for containing a volume of a liquid drug formulation, the barrel defining a flange at the rear end thereof and a forward shoulder at the forward end thereof; a hollow needle at a front end of the barrel, the hollow needle defining a needle tip; and a plunger that is axially movable within the barrel. The cassette unit includes, in contact with the plunger and axially movable within the barrel, a plunger slaving part arranged such that when a drive load is applied to a rear drive-receiving face thereof the drive load is evenly transmitted to the plunger. | 11-06-2014 |
20140330207 | AUTO-INJECTOR - Provided is a cassette unit suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The cassette unit housing cavity is arranged for receipt of a syringe suitable for use in the injected delivery of drug to a patient. The cassette unit includes a needle cover defining a needle sheath. The removable cap is provided with a connector defining one or more needle cover gripping elements for gripping the needle cover. The connector defines a central hub and the one or more needle gripper elements attach to the central hub and in spaced arrangement relative to each other. The connector locates within the removable cap such that the central hub of the connector is in spaced relationship with a far end wall or surface of the cap interior. | 11-06-2014 |
20140336587 | AUTO-INJECTOR - Provided is a cassette unit suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The housing cavity is arranged for receipt of a syringe suitable for use in the injected delivery of drug to a patient. The syringe has a barrel for containing a volume of a liquid drug formulation, the barrel defining an end flange at the rear end thereof and a forward shoulder at the forward end thereof. The cassette unit includes a sleeve form adapter arranged for receipt by the syringe barrel and to fit at least partly over the end flange of the syringe barrel. Accommodation of different syringe sizes within the same cassette unit geometry is achievable by selecting a sleeve form adapter tailored to the particular sizing of the barrel of each different syringe. | 11-13-2014 |
20140336588 | AUTO-INJECTOR - Provided is a cassette unit suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The housing cavity is arranged for receipt of a syringe for injected delivery of a drug to a patient. The cassette unit includes a removable cap that in a capping position fits over and thereby acts to close off the needle projection aperture; and connecting to the removable cap, a needle cover defining a needle sheath for sheathing the needle tip of the syringe. The removable cap is provided with one or more first engagement features arranged for selectively engaging one or more second engagement features of the cassette unit housing when the removable cap is in the capping position to thereby restrict/prevent rotation of the removable cap and needle cover relative to the housing. | 11-13-2014 |
20140358083 | AUTO-INJECTOR - Provided is an auto-injector for a syringe suitable for the injected delivery of drug to a patient. The auto-injector comprises a cassette unit arranged for receipt of a syringe. The cassette unit and/or syringe is movable from a rest position, in which the syringe needle tip is within the drive unit housing to a use position, in which the needle tip protrudes from a needle delivery aperture thereof. The auto-injector comprises a drive unit arranged for docking receipt of the cassette unit at a docking position and a drive arrangement. The drive unit is arranged for initial receipt of the cassette unit at an intermediate pre-docking position and for subsequent transport of the cassette unit to the docking position. In embodiments, the drive unit is arranged such that transport of the cassette unit to the docking position is permitted only following verification of an identifier at the intermediate pre-docking position. | 12-04-2014 |
20140358084 | AUTO-INJECTOR - There is provided a cassette unit that is suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The cassette unit housing cavity is arranged for receipt of a syringe that is suitable for use in the injected delivery of drug to a patient. The cassette unit includes a removable cap that in a capping position fits over and thereby, acts such as to close off, the needle projection aperture. The cassette unit includes a cap lock feature movable from a first cap locking position in which it prevents removal of the removable cap from the capping position with the cassette unit to a second cap non-locking position in which it no longer prevents such cap removal. | 12-04-2014 |
20150045734 | AUTO-INJECTOR - Provided is a cassette unit suitable for use with an auto-injector having an electrically powered drive unit. The cassette unit has a housing defining a cassette unit housing cavity and a needle projection aperture. The housing cavity is arranged for receipt of a syringe suitable for delivery of a drug to a patient. The syringe has a barrel for containing a volume of a liquid drug formulation, the barrel defining a flange at the rear end thereof and a forward shoulder at the forward end thereof. The cassette unit includes one or more shoulder support features for supporting the forward shoulder of the syringe. In use, the one or more shoulder support features act to direct a major part of an applied load path to travel through the shoulder at the forward end of the syringe and lesser load to pass through the flange at the rear end thereof. | 02-12-2015 |
Patent application number | Description | Published |
20090035652 | NON-PRISMATIC ELECTROCHEMICAL CELL - An electrochemical cell with a non-prismatic casing and solid cathode is the present invention. The casing has a front side wall, a back side wall, a right side wall, a left side wall, a top wall, and bottom wall. The non-prismatic function is obtained by having the right and left side walls having tapered widths—wide near the top wall and narrower near the bottom wall. A solid anode having a uniform height is positioned against the front side wall and/or the back side wall. A solid cathode is surrounded by a separator and has at least a tapered height to correspond to the tapered right and left side walls wherein the anode's front side is parallel with the front major sidewall and the anode's back side is parallel with the back major sidewall. This non-prismatic design decreases the formation of voids and maximizes the amount of cathode in non-prismatic casing designs to obtain the optimal electrochemical capabilities. | 02-05-2009 |
20090239141 | BATTERY LID WITH INTEGRAL THICK BOSS SURROUNDING A TERMINAL HOLE - An improved lid for closing the open end of a casing of an electrochemical energy storage device is described. The improved lid comprises a flat region having spaced apart upper and lower planar surfaces joined by a peripheral edge, an angled transition forming a boss protruding from the lower surface, and a bore extending through the boss to the upper surface. An electrical energy storage device is also described, which includes the improved lid secured to the open end of the casing container of the device. | 09-24-2009 |
20100248017 | Terminal connector for connecting a cell to a medical device - A electrical connector for connection to an electrochemical cell is described. The connector comprises a conductive lid; a ferrule disposed within an opening through the conductive lid; a conductive center pin disposed within the ferrule; and a hermetic seal formed between the pin and an interior surface of the ferrule. A mating terminal connector adapted to be connected to the ferrule and the conductive center pin is further provided. The terminal connector is a device for easily and quickly connecting the cell to a circuit board of the kind found in an implantable medical device, such as a cardiac pacemaker, defibrillator, neuro-stimulator, drug pump, and the like. | 09-30-2010 |
20120282519 | Dissimilar Material Battery Enclosure for Improved Weld Structure - An electrochemical cell having an enclosure comprised of an enclosure body portion composed of a relatively high electrical resistivity material and an enclosure lid portion composed of a ductile material is discussed. The body portion of the enclosure preferably comprises Grade 5 or 23 titanium and the lid portion preferably comprises Grade 1 or 2 titanium. The enclosure lid is joined to the body of the enclosure through a welding process such as laser welding. The combination of these differing materials provides an enclosure that effectively retards the occurrence of eddy current induced heating as well as provides an enclosure that is more mechanically robust. | 11-08-2012 |
Patent application number | Description | Published |
20120028052 | GRAPHENE GROWTH ON A NON-HEXAGONAL LATTICE - A graphene layer is formed on a crystallographic surface having a non-hexagonal symmetry. The crystallographic surface can be a surface of a single crystalline semiconductor carbide layer. The non-hexagonal symmetry surface of the single crystalline semiconductor carbide layer is annealed at an elevated temperature in ultra-high vacuum environment to form the graphene layer. During the anneal, the semiconductor atoms on the non-hexagonal surface of the single crystalline semiconductor carbide layer are evaporated selective to the carbon atoms. As the semiconductor atoms are selectively removed, the carbon concentration on the surface of the semiconductor-carbon alloy layer increases. Despite the non-hexagonal symmetry of the surface of the semiconductor-carbon alloy layer, the remaining carbon atoms can coalesce to form a graphene layer having hexagonal symmetry. | 02-02-2012 |
20120112164 | FORMATION OF A GRAPHENE LAYER ON A LARGE SUBSTRATE - A single crystalline silicon carbide layer can be grown on a single crystalline sapphire substrate. Subsequently, a graphene layer can be formed by conversion of a surface layer of the single crystalline silicon layer during an anneal at an elevated temperature in an ultrahigh vacuum environment. Alternately, a graphene layer can be deposited on an exposed surface of the single crystalline silicon carbide layer. A graphene layer can also be formed directly on a surface of a sapphire substrate or directly on a surface of a silicon carbide substrate. Still alternately, a graphene layer can be formed on a silicon carbide layer on a semiconductor substrate. The commercial availability of sapphire substrates and semiconductor substrates with a diameter of six inches or more allows formation of a graphene layer on a commercially scalable substrate for low cost manufacturing of devices employing a graphene layer. | 05-10-2012 |
20120319078 | GRAPHENE GROWTH ON A NON-HEXAGONAL LATTICE - A graphene layer is formed on a crystallographic surface having a non-hexagonal symmetry. The crystallographic surface can be a surface of a single crystalline semiconductor carbide layer. The non-hexagonal symmetry surface of the single crystalline semiconductor carbide layer is annealed at an elevated temperature in ultra-high vacuum environment to form the graphene layer. During the anneal, the semiconductor atoms on the non-hexagonal surface of the single crystalline semiconductor carbide layer are evaporated selective to the carbon atoms. As the semiconductor atoms are selectively removed, the carbon concentration on the surface of the semiconductor-carbon alloy layer increases. Despite the non-hexagonal symmetry of the surface of the semiconductor-carbon alloy layer, the remaining carbon atoms can coalesce to form a graphene layer having hexagonal symmetry. | 12-20-2012 |
20130285014 | FORMATION OF A GRAPHENE LAYER ON A LARGE SUBSTRATE - A single crystalline silicon carbide layer can be grown on a single crystalline sapphire substrate. Subsequently, a graphene layer can be formed by conversion of a surface layer of the single crystalline silicon layer during an anneal at an elevated temperature in an ultrahigh vacuum environment. Alternately, a graphene layer can be deposited on an exposed surface of the single crystalline silicon carbide layer. A graphene layer can also be formed directly on a surface of a sapphire substrate or directly on a surface of a silicon carbide substrate. Still alternately, a graphene layer can be formed on a silicon carbide layer on a semiconductor substrate. The commercial availability of sapphire substrates and semiconductor substrates with a diameter of six inches or more allows formation of a graphene layer on a commercially scalable substrate for low cost manufacturing of devices employing a graphene layer. | 10-31-2013 |
Patent application number | Description | Published |
20090009390 | DUAL BAND QUADPACK TRANSMIT/RECEIVE MODULE - A multi-channel, dual-band, radio frequency (RF) transmit/receive (T/R) module, for an active electronically scanned array, is provided. The module includes a compact, RF manifold connector and at least four T/R channels. Each of the T/R channels includes a notch radiator, a diplexer coupled to the notch radiator, a power amplifier, including at least one dual-band gain stage, coupled to the notch radiator, a low noise amplifier, including at least one lower-band gain stage and at least one upper-band gain stage, coupled to the diplexer, and a T/R cell, including a phase shifter, a signal attenuator and at least one dual-band gain stage, coupled to the power amplifier, the low noise amplifier and the manifold connector. | 01-08-2009 |