Class / Patent application number | Description | Number of patent applications / Date published |
219634000 | Susceptor | 48 |
20080197126 | INDUCTIVELY HEATED CLOTHING - Induction heatable clothing items such as footwear ( | 08-21-2008 |
20080223851 | APPARATUS AND METHODS FOR SYNTHESIS OF LARGE SIZE BATCHES OF CARBON NANOSTRUCTURES - An apparatus and method for synthesizing nanostructures. In one embodiment, the apparatus includes a reactor having a reaction zone and a conductive susceptor positioned in the reaction zone. The method includes the steps of transporting a gas mixture having an aerosolized catalyst, a feedstock and a carrier gas into the reaction zone of the reactor, inductively heating the reaction zone, and regulating a flow rate of the gas mixture to allow the catalyst to spend a sufficient amount of time in the reaction zone for the growth of nanostructures. | 09-18-2008 |
20080308551 | INDUCTION FURNACE SUSCEPTOR FOR HEATING A WORKPIECE IN AN INERT ATMOSPHERE OR IN A VACUUM - A susceptor is provided for an induction furnace having a cylinder, a top and bottom cover sealing the top and bottom ends of the cylinder, and coolant passages within the cylinder and the covers. A coil surrounds the chamber and is hollow to allow flow of coolant therethrough. A susceptor susceptible to induction heating is located in the chamber and includes a top piece and a bottom piece. The top piece and the bottom piece can define a bell shape and a bowl shape. A thermal insulator is disposed between the susceptor and the inner walls of the chamber within which the susceptor and the workpiece are contained. The thermal insulator can also include infrared reflectors and insulators on the ends of the susceptor to reduce heat leakage. | 12-18-2008 |
20090014439 | Non-Contact High-Frequency Induction Heating Apparatus for Plastic Mold and Injection Nozzle Thereof - Disclosed is a non-contact high-frequency induction heating apparatus for plastic mold and injection nozzle thereof in that only a partial area of a cavity and a runner area of an injection nozzle are rapidly heated by means of a non-contact high-frequency induction heating manner during the injection of a melting resin of high temperature, so that it can minimize a temperature variation between the cavity and runner and the melting resin of high temperature in order to smoothly supply the melting resin to the cavity and injection nozzle, whereby preventing various outward inferiorities of the molding product and improving the efficiency of the melting resin injection apparatus. The non-contact high-frequency induction heating apparatus for injection nozzle of a plastic mold comprises an injection nozzle for injecting a melting resin from a melting resin injection apparatus into the plastic mold; a high-frequency induction coil wound along a periphery of the injection nozzle; and a high-frequency power supply portion for supplying a high-frequency power to the high-frequency induction coil so as to rapidly heat a runner of the injection nozzle by means of a magnetic field of the high-frequency induction coil. | 01-15-2009 |
20090114640 | Electric Power System for Electric Induction Heating and Melting of Materials in a Susceptor Vessel - Apparatus and process for heating and melting a material in a susceptor vessel are provided wherein phase synchronized ac voltage is supplied from a separate power source to each one of at least two induction coils in separate zones around the vessel. Power magnitude from each source to an induction coil is controlled by pulse width control of the source's output voltage. Output frequency from each source is either fixed or variable based upon the electrically conductive state of the material. Optional electromagnetic stirring is achieved by establishing a phase shift between the voltage outputs of the power supplies after the material in the susceptor vessel has melted. | 05-07-2009 |
20090261090 | HEAT TREATMENT OVEN WITH INDUCTIVE HEATING - The invention relates to a heat treatment oven comprising a loading or treatment zone, at least one gas inlet, a gas preheater chamber situated in the oven between the gas inlet and the loading or treatment zone, a susceptor comprising at least a side wall surrounding the preheater chamber and the loading or treatment zone, and a field winding suitable for heating the side wall by induction. The portion of the side wall of the susceptor that is situated around the preheater chamber presents at least two recesses spaced apart circumferentially from one another so as to form portions of reduced thickness in said portion of the side wall. | 10-22-2009 |
20100051609 | Directional Solidification of Silicon by Electric Induction Susceptor Heating in a Controlled Environment - An apparatus and process are provided for directional solidification of silicon by electric induction susceptor heating in a controlled environment. A susceptor vessel is positioned between upper and lower susceptor induction heating systems and a surrounding induction coil system in the controlled environment. Alternating current selectively applied to induction coils associated with the upper and lower susceptor heating systems, and the induction coils making up the surrounding induction coil system, result in melting of the silicon charge in the vessel and subsequent directional solidification of the molten silicon. A fluid medium can be directed from below the vessel towards the bottom, and then up the exterior sides of the vessel to enhance the directional solidification process. | 03-04-2010 |
20100163550 | Heating and Melting of Materials by Electric Induction Heating of Susceptors - Apparatus and method are provided for heating and melting of materials by electric induction heating of susceptor components in a crucible of the furnace. The susceptor components comprise at least an array of susceptor rods arranged around the inner perimeter of the crucible. A susceptor base may also be provided in the crucible with connection to one end of the susceptor rods. One or more susceptor tubes may also be used within the interior volume of the crucible. Alternating current flow through one or more induction coils surrounding the exterior of the crucible generate magnetic flux fields that couple with the susceptor components to inductively heat the susceptor components. Heat from the susceptor components transfers to the material in the crucible to heat and melt the material. | 07-01-2010 |
20100270289 | Hot Melt Application System - Hot melt adhesive pellets are melted and pressure pumped in a controlled application pattern on the substrate at the application site. The high frequency power supply, induction heated melting susceptor, pressure pump, and pattern control electronics are all contained in a single unit within adhesive projection distance. | 10-28-2010 |
20110139769 | MAGNETIC HEATING BLANKET - A heating blanket comprises a conductor for receiving current and generating a magnetic field in response to the current. The heating blanket may include a susceptor sleeve formed of magnetic material having a Curie temperature. The susceptor sleeve may extend along the conductor and may be inductively heated in response to the magnetic field. | 06-16-2011 |
20110155721 | APPARATUSES USEFUL IN PRINTING AND METHODS OF FIXING MARKING MATERIALS ONTO MEDIA - Apparatuses useful for printing and methods of fixing marking materials onto media are disclosed. An exemplary embodiment of the apparatuses useful in printing includes a first member including a first surface; a second member comprising at least one ferromagnetic material having a relative magnetic permeability greater than 1, a susceptor over the at least one ferromagnetic material, the susceptor comprising at least one electrically resistive metal, and a second surface over the at least one ferromagnetic material and the susceptor, the second surface forming a nip with the first surface at which media are received; and a magnetic field generator for generating a magnetic field to inductively heat the second member. | 06-30-2011 |
20110210117 | HEAT TREATMENT APPARATUS - Provided is a heat treatment apparatus which, when simultaneously heating substrates placed on susceptors, is capable of controlling the uniformity of temperature within each substrate. The heat treatment apparatus includes: a reaction tube which performs predetermined treatment to wafers; a plurality of susceptors each of which has a mounting surface for mounting the wafer and is made of a conductive material; a rotatable quartz boat wherein the susceptors spaced apart in a direction perpendicular to the mounting surfaces are arranged and supported in the reaction tube; a magnetic field generating unit which is arranged on a sidewall of the processing chamber and includes a pair of electromagnets which generate an AC magnetic field in a direction parallel to the mounting surfaces of the susceptors and inductively heat the susceptors; and a control unit which controls the AC magnetic field generated by the magnetic field generating unit. | 09-01-2011 |
20110248024 | HEAT TREATMENT APPARATUS - In-plane temperature of each substrate is uniformly controlled at the time of heating substrates placed on a plurality of susceptors, respectively. A heat treatment apparatus is provided with susceptors, i.e., conductive members for placing wafers thereon, having an induction heating body electrically divided into a center portion thereof and a peripheral portion thereof; a quartz boat supporting the susceptors arranged in a row; an induction coil, which is arranged inside a processing chamber to surround the circumference of each of the susceptors and configured such that the temperature of the induction coil can be freely adjusted; and a control unit which performs temperature control by changing the ratio between heat value at the center portion of the induction heating body and that at the peripheral portion, by controlling two high frequency currents of different frequencies to be applied to the induction coil from a high frequency current circuit. | 10-13-2011 |
20110259879 | Multi-Zone Induction Heating for Improved Temperature Uniformity in MOCVD and HVPE Chambers - Embodiments of the invention generally relate to apparatuses and methods for utilizing a plurality of induction heat sources to uniformly heat a plurality of substrates within a processing chamber. By utilizing multiple heating zones that are each separately powered, the temperature distribution across the susceptor, over which the substrates rotate, may be uniform. The heat sources may be disposed outside of the processing chamber. In one embodiment, a processing chamber is provided which includes a susceptor disposed adjacent a first side of a window, a substrate carrier coupled with the susceptor, an inner inductive heating element disposed adjacent a second side of the window opposite the first side, an outer inductive heating element separate from and encompassing the inner inductive heating element and disposed adjacent to the second side of the window, and a parasitic load ring positioned below the outer inductive heating element. | 10-27-2011 |
20110303654 | Device to reduce shadowing during radiative heating of a substrate - A substrate heating apparatus configured to be coupled to a processing system and radiatively heat a substrate is described. The substrate heating apparatus comprises a radiative heat source coupled to a processing system and configured to produce electromagnetic (EM) radiation, a translucent object disposed between the radiative heat source and the substrate along an EM wave path there between, and an opaque object disposed between the radiative heat source and the substrate along the EM wave path there between. The translucent object comprises at least one textured surface to cause random refraction of the EM radiation passing through the translucent object, or an optical waveguide configured to encapsulate the opaque object and direct the EM radiation around the opaque object, or a combination thereof. | 12-15-2011 |
20120018425 | Common Field Magnetic Susceptors - Thermoplastic pellitized materials are melted in gravity flow through coaxially oriented perforated cylindrical metal susceptors. The susceptors are equally energized by the interception of a common magnetic field formed by a high frequency powered inductor coil. | 01-26-2012 |
20120067870 | Integral Inductor-Susceptor - An induction heating inductor and perforated susceptor are formed as an integral unit to provide a low cost, physically stable, efficient, and easily cleaned unit. | 03-22-2012 |
20120074132 | INDUCTION HEATING DEVICE AND METHOD FOR CONTROLLING THE SAME - An induction heating device and a method for controlling the same are disclosed, in which the induction heating device is composed of an induction coil and a magnetic conductive plate. The induction coil, being arranged for enabling the same to move relative to a target object, is used for heating the target object after being excited. The magnetic conductive plate is disposed at a specific position proximate to the induction coil that can be varied. According to the positioning of the magnetic conductive plate, the magnetic conductive plate can be used as a shield for blocking the magnetic field resulting from the excited induction coil when it is being positioned between the induction coil and the target object, and the magnetic conductive plate can be used for enhancing the magnetic field when it is being positioned at a side of the induction coil that is away from the target object. | 03-29-2012 |
20120085752 | Induction Furnace and Infiltration Process - It is disclosed and induction furnace ( | 04-12-2012 |
20120118875 | Oven - An oven, in particular a dental oven, with a heating chamber ( | 05-17-2012 |
20120138599 | SEMICONDUCTOR SUBSTRATE HEAT TREATMENT APPARATUS - A semiconductor substrate heat treatment apparatus includes a boat formed by stacking, in a vertical direction, a plurality of susceptors to be treated placing wafers thereon individually, and auxiliary susceptors disposed in a manner to sandwich the plurality of susceptors to be treated therebetween in the vertical direction; an induction heating coil disposed on an outer circumferential side of the boat and configured to generate an alternating magnetic flux in a direction parallel to planes of the plurality of susceptors to be treated on which the wafers are individually placed; and a power supply configured to supply power to the induction heating coil. | 06-07-2012 |
20120255947 | COMPOSITE INDUCTION CONSOLIDATION APPARATUS AND METHOD - A composite induction consolidation apparatus includes a base mandrel and a ferromagnetic base mandrel facesheet having a specific Curie temperature carried by the base mandrel. The base mandrel facesheet is adapted to support a composite part and allow ambient air pressure to compact the composite part against the base mandrel facesheet. At least one magnetic induction coil is provided in the base mandrel | 10-11-2012 |
20130082047 | Induction Heating Using Induction Coils in Series-Parallel Circuits - A part is inductively heated by multiple, self-regulating induction coil circuits having susceptors, coupled together in parallel and in series with an AC power supply. Each of the circuits includes a tuning capacitor that tunes the circuit to resonate at the frequency of AC power supply. | 04-04-2013 |
20130134154 | SYSTEM AND METHOD OF ADJUSTING THE EQUILIBRIUM TEMPERATURE OF AN INDUCTIVELY-HEATED SUSCEPTOR - A system for inductively heating a workpiece may include an induction coil, at least one susceptor face sheet, and a current controller coupled. The induction coil may be configured to conduct an alternating current and generate a magnetic field in response to the alternating current. The susceptor face sheet may be configured to have a workpiece positioned therewith. The susceptor face sheet may be formed of a ferromagnetic alloy having a Curie temperature and being inductively heatable to an equilibrium temperature approaching the Curie temperature in response to the magnetic field. The current controller may be coupled to the induction coil and may be configured to adjust the alternating current in a manner causing a change in at least one heating parameter of the susceptor face sheet. | 05-30-2013 |
20130140298 | INDUCTION HEATING APPARATUS AND INDUCTION HEATING METHOD - A semiconductor substrate thermal treatment apparatus enables excellent heating control in suppressing influence of mutual induction between induction heating coils even when the induction heating coils are arranged in the vertical direction while providing horizontal magnetic flux to susceptors. The apparatus indirectly heats wafers mounted on horizontally-arranged susceptors including induction heating coils to form alternate-current magnetic flux in a direction parallel to a mount face of the susceptor. The wafer are arranged at an outer circumferential side of the susceptor. The induction heating coils are structured with at least one main heating coil and subordinate heating coils electromagnetically coupled with the main heating coil. Inverse coupling coils inversely-coupled to the subordinate heating coils are provided to the main heating coil, and zone control means separately controls a power ratio while synchronizing frequencies and current waveforms of current to the main heating coil and adjacent subordinate heating coils. | 06-06-2013 |
20130146588 | SEGMENTED SUSCEPTOR FOR TEMPERATURE UNIFORMITY CORRECTION AND OPTIMIZATION IN AN INDUCTIVE HEATING SYSTEM - An inductively coupled heating system having a segmented susceptor is disclosed. The segmented susceptor includes two or more segments, each segment having a side edge that is mateable with a side edge of another segment. The two mated side edges form an interface, increasing eddy currents near the interface. An inductively coupled heating system having a susceptor with multiple doped regions is also disclosed. | 06-13-2013 |
20130213955 | Apparatus For Heating Moldings - The invention relates to an apparatus for heating moldings, in particular dental ceramic moldings, with the aid of microwaves or a magnetic field, the apparatus having a susceptor surrounding the molding, in particular according to the type of a container that is closed, said susceptor absorbing microwave radiation or being heated by a magnetic field and emitting heat to the molding. Further, a shielding for electrical and/or magnetic fields is arranged in the path between the microwave oven or the induction coil and the molding, in particular at the inner wall of the susceptor. | 08-22-2013 |
20130264335 | INDUCTION HEATING APPARATUS AND INDUCTION HEATING METHOD - To provide an induction heating apparatus that employs a batch-type heating system for heating a large-diameter wafer and can perform uniform heating with a high precision, an induction heating apparatus ( | 10-10-2013 |
20140091083 | INDUCTION HEATING DEVICE FOR HEATING A LIQUID - An induction heating device for heating a liquid, said device comprising a half ellipsoidal shaped induction coil and matching susceptor. | 04-03-2014 |
20140110401 | METHOD AND SYSTEM FOR LOCALIZED HEAT TREATING USING A SUSCEPTOR - A system or method for heat treating a localized area of a component part includes providing a susceptor, shaping the susceptor to conform to the component part, a component part, and a heat source, heating the susceptor by the heat source, and introducing the susceptor to the desired target area of the component part for a controlled or predetermined interval as necessary to achieve a desired metallurgical effect to take place with respect to the desired target area. | 04-24-2014 |
20140151366 | Railway Track Heating Device - A device for heating of railway tracks is provided. The device comprises a magnetic field generator fed with a low-frequency current. The magnetic field generator is formed by a device without a circuit returning a magnetic flux generated by the magnetic field generator. Hereby the magnetic flux can be returned via a heater. The heater is a material generating heat when placed in the magnetic field. The heater can be the railway tracks or a plate provided in conjunction with the railway tracks. | 06-05-2014 |
20140326717 | INCREMENTAL SHEET FORMING FOR FABRICATION OF COLD SPRAYED SMART SUSCEPTOR - An induction heating system for manufacturing a part including an induction coil and a smart susceptor positioned within an oscillating electromagnetic field from the induction coil. The smart susceptor includes a ferromagnetic material cold sprayed onto a tool. The tool may be a sheet metal component formed to a desired shape by incremental sheet forming. The smart susceptor may be heated up by eddy currents generated in the ferromagnetic material by the oscillating electromagnetic field. The smart susceptor may be designed to have a desired Curie temperature based on the composition of the ferromagnetic material. The smart susceptor is formed into a desired shape by cold spraying ferromagnetic material onto a tool already formed into the desired shape. The smart susceptor may be removed from the tool by thermally shocking the smart susceptor and the tool and may be used to heat a part to be formed. | 11-06-2014 |
20140353305 | Shim Manufacturing System - A method for forming a shim. A liquid shim material with a magnetically permeable material is applied in a location for the shim between a plurality of composite parts. A magnetic field is applied to the magnetically permeable material in the location. The magnetic field is configured to heat the liquid shim material to a temperature to cause the liquid shim material to become solid and form the shim. | 12-04-2014 |
20150014304 | Induction Welding System - A method and apparatus for performing induction welding. A number of protective layers are positioned between a susceptor layer and at least one of a plurality of workpieces at a weld location. An undesired current path is prevented from forming at the weld location during induction heating of the plurality of workpieces by the number of protective layers. | 01-15-2015 |
20150041455 | HEATING ELEMENT - A heating element, in particular a heating element for inductive heating, having an electrically conductive material which can be introduced into a magnetic field, produced by alternating current, of an induction coil, characterized in that the electrically conductive material is divided into a plurality of individual material sections, which are spaced apart from one another in electrically nonconductive fashion and are connected to form a closed conductor network by electrically conductive connecting elements. | 02-12-2015 |
20150060437 | Active Temperature Control for Induction Heating - An induction heating system and a method for controlling a process temperature for induction heating of a workpiece. The induction heating system comprises an inductor configured to generate an alternating magnetic field in response to an alternating current supplied thereto, a magnetic load comprising a magnetic material, the magnetic material having a Curie temperature and being configured to generate heat in response to the alternating magnetic field being applied thereto, the magnetic load being connectable to the workpiece in a heat-conducting manner so as to transfer the generated heat to the workpiece, and a control unit configured to control the process temperature for manufacturing the workpiece by adjusting the alternating magnetic field when the temperature of the magnetic material is in a temperature control range around or below the Curie temperature of the magnetic material, the temperature control range being dependent on the magnetic material of the magnetic load. | 03-05-2015 |
20150090707 | INDUCTION HEATING APPARATUS AND INDUCTION HEATING METHOD - A semiconductor substrate thermal treatment apparatus enables excellent heating control in suppressing influence of mutual induction between induction heating coils even when the induction heating coils are arranged in the vertical direction while providing horizontal magnetic flux to susceptors. The apparatus indirectly heats wafers mounted on horizontally-arranged susceptors including induction heating coils to form alternate-current magnetic flux in a direction parallel to a mount face of the susceptor. The wafer are arranged at an outer circumferential side of the susceptor. The induction heating coils are structured with at least one main heating coil and subordinate heating coils electromagnetically coupled with the main heating coil. Inverse coupling coils inversely-coupled to the subordinate heating coils are provided to the main heating coil, and zone control means separately controls a power ratio while synchronizing frequencies and current waveforms of current to the main heating coil and adjacent subordinate heating coils. | 04-02-2015 |
20150102025 | Heated Cover Methods and Technology - A heating apparatus comprising a support base and a microplate having a first surface and an opposing second surface. The microplate is positioned adjacent the support base and comprises a plurality of wells formed in the first surface thereof. Each of the plurality of wells is sized to receive an assay therein. A sapphire crystalline transparent window is positioned adjacent the microplate opposing the support base. A heating device heats the transparent window in response to a control system. | 04-16-2015 |
20150348813 | ELECTROSTATIC CHUCK WITH EMBOSSED TOP PLATE AND COOLING CHANNELS - An electrostatic chuck for retaining a substrate is provided herein. In some embodiments, an electrostatic chuck for retaining a substrate may include a susceptor including an electrically conductive susceptor base having one or more cooling channels formed in an upper surface thereof; a raised central support disposed over the one or more cooling channels; and a dielectric top plate disposed on the raised central support, wherein the dielectric top plate has an embossed top surface, and wherein the dielectric top plate and raised central support include a plurality of holes to facilitate delivery of a cooling gas one or more cooling channels to a backside of the substrate when disposed on the embossed top surface of the dielectric top plate. | 12-03-2015 |
20150373788 | Fusion Process Using an Alkali Metal Metalate - The product of a molten alkali metal metalate phase separation can be processed into a purified metal from a metal source. Metal sources include native ores, recycled metal, metal alloys, impure metal stock, recycle materials, etc. The method uses a molten alkali metal metalate as a process medium or solvent in purifying or extracting high value metal or metal oxides from metal sources. Vitrification methods using the silicate glass separation phase can be prepared as is or can be prepared with a particulate phase distributed throughout the silica glass phase and encapsulated and fixed within the continuous glass phase. Tungsten metal can be obtained from an alkali metal tungstate. A typically finely divided tungsten metal powder can be obtained from a variety of tungsten sources including recycled tungsten scrap, tungsten carbide scrap, low grade tungsten ore typically comprising tungsten oxide or other form of tungsten in a variety of oxidation states. | 12-24-2015 |
20160009035 | In-Situ Induction Cured Radius Filler | 01-14-2016 |
20160021707 | LOCAL TEMPERATURE CONTROL OF SUSCEPTOR HEATER FOR INCREASE OF TEMPERATURE UNIFORMITY - A heating assembly, such as may be used in thin film deposition, and a method of use is provided for improved temperature uniformity of a susceptor and substrate heated by the heating assembly. The substrate may be a semi-conductor wafer. | 01-21-2016 |
20160122025 | INDUCTION HEATING COILS WITH UNIFORM HEATING - An induction heating system employs a ferromagnetic susceptor mounted proximate an exterior of flight surface of an aircraft. At least one electrically conductive coil is mounted proximate the ferromagnetic susceptor. The at least one electrically conductive coil is powered by a first power source with a first frequency. At least one compensating coil is mounted proximate the ferromagnetic susceptor having a geometry determined to provide substantially net-zero flux with respect to the at least one electrically conductive coil and positioned to induce induction heating where the first plurality of electrically conductive coils lacks induced inductive heating coverage. The at least one compensating coils is powered by a second AC power source with a second frequency. | 05-05-2016 |
20160143092 | Coaxial Smart Susceptor - A coaxially arranged smart susceptor conductor, comprising a smart susceptor core comprising an alloy having a first Curie temperature point and a first smart susceptor shell coaxially arranged around the smart susceptor core. The first smart susceptor shell comprising a second Curie temperature point that is different than the first Curie temperature point of the smart susceptor core. In one arrangement, the second Curie temperature point of the first smart susceptor shell is lower than the first Curie temperature point of the smart susceptor core. In another arrangement, the smart susceptor conductor further comprises a second smart susceptor shell disposed about the first smart susceptor shell. The second smart susceptor shell comprising a third Curie temperature point. | 05-19-2016 |
20160150825 | AEROSOL-GENERATING ARTICLE WITH MULTI-MATERIAL SUSCEPTOR | 06-02-2016 |
20160157302 | CURING COMPOSITES OUT-OF-AUTOCLAVE USING INDUCTION HEATING WITH SMART SUSCEPTORS | 06-02-2016 |
20160158397 | Device for Evaporating a Volatile Material - An assembly for evaporating a volatile material is described, the assembly comprising a device and a refill which are detachable from one another: wherein the device comprises a magnetic induction coil configured to operate with an alternating current passed therethrough at a frequency of between substantially 20 KHz to substantially 500 KHz and one or more volatile fluid emanation channels containing at least one piece of heat-conducting, non-magnetic metal foil and/or deposited heat-conducting, non-magnetic metal; and wherein the refill comprises at least one magnetic susceptor having a coercivity of substantially 50 ampere/metre (H | 06-09-2016 |
20160204008 | SUBSTRATE TREATMENT DEVICE | 07-14-2016 |