Patent application number | Description | Published |
20120032234 | Antiphase Domain Boundary-Free III-V Compound Semiconductor Material on Semiconductor Substrate and Method for Manufacturing Thereof - Methods of manufacturing a III-V compound semiconductor material, and the semiconductor material thus manufactured, are disclosed. In one embodiment, the method comprises providing a substrate comprising a first semiconductor material having a {001} orientation and an insulating layer overlaying the first semiconductor material. The insulating layer comprises a recessed region exposing an exposed region of the first semiconductor material. The method further comprises forming a buffer layer overlaying the exposed region that comprises a group IV semiconductor material. The method further comprises thermally annealing the substrate and the buffer layer, thereby roughening the buffer layer to create a rounded, double-stepped surface having a step density and a step height. A product of the step density and the step height is greater than or equal to 0.05 on the surface. The method further comprises at least partially filling the recessed region with a III-V compound semiconductor material overlaying the surface. | 02-09-2012 |
20120280326 | Method for Manufacturing a Hybrid MOSFET Device and Hybrid MOSFET Obtainable Thereby - Disclosed are methods for forming hybrid metal-oxide-semiconductor field effect transistors (MOSFETs) and the hybrid MOSFETS thus obtained. In one embodiment, a method is disclosed that includes providing a first substrate comprising a first region and a second region, providing a second substrate comprising a second semiconductor layer and an insulating layer overlaying the second semiconductor layer, and direct substrate bonding the second substrate to the first substrate, thereby contacting the first region and the second region with the insulating layer. The method further includes selectively removing the second semiconductor layer and the insulating layer in the first region, thereby exposing the first semiconductor layer in the first region, forming a first gate stack of a first MOSFET on the exposed first semiconductor layer in the first region, and forming a second gate stack of a second MOSFET on the second semiconductor layer in the second region. | 11-08-2012 |
20150076620 | METHOD FOR MANUFACTURING TRANSISTORS AND ASSOCIATED SUBSTRATE - The disclosed technology generally relates to semiconductor devices, and more particularly to different types of transistors having different channel materials. In one aspect, a method of fabricating a semiconductor device includes providing a substrate comprising a silicon substrate having a main surface oriented in a {100} crystal plane and having a notch oriented in a <100> direction. The method additionally includes forming a plurality of silicon protrusions in a first predetermined region by recessing portions of the main surface surrounding the silicon protrusions. The method additionally includes forming shallow trench isolation (STI) structures adjacent to the silicon protrusions to electrically isolate the silicon protrusions, thereby defining channel areas of a transistor of a first type. The method further includes removing at least upper portions of the silicon protrusions, thereby forming trenches between neighboring STI structures and filling the trenches with a III-V material. | 03-19-2015 |
20150279725 | SEMICONDUCTOR-ON-INSULATOR DEVICE AND METHOD OF FABRICATING THE SAME - The disclosed technology generally relates to semiconductor-on-insulator (SOI) devices and more particularly to SOI devices having a channel region comprising a Group III-V or a Group IV semiconductor material, and also relates to methods of fabricating the same. In one aspect, a method comprises providing a pre-patterned donor wafer, providing a handling wafer and bonding the pre-patterned donor wafer to the handling wafer by contacting the first oxide layer to the handling wafer. Providing a pre-patterned donor wafer comprises providing a donor substrate comprising a first semiconductor material, forming shallow trench isolation (STI) regions in the donor substrate, and forming fins in the donor substrate in between the STI regions, where each fin comprises a Group III-V or Group IV semiconductor material that is different from the first semiconducting material and laterally extends in a direction parallel to a major surface of the donor substrate and between the STI regions. Providing the pre-patterned donor wafer additionally includes providing a first oxide layer overlying the STI regions and the fins. After bonding the donor wafer to the handling wafer, at least part of the first semiconducting material of the pre-patterned donor wafer is removed and the STI regions and the fins are thinned thereby forming channel regions comprising the Group III-V or Group IV semiconductor material. | 10-01-2015 |
20150279947 | GATE-ALL-AROUND SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - The disclosed technology generally relates to semiconductor devices and more particularly to a gate-all-around semiconductor device, and methods of fabricating the same. In one aspect, the method comprises providing on a semiconductor substrate between STI regions at least one suspended nanostructure anchored by a source region and a drain region. The suspended nanostructure is formed of a crystalline semiconductor material that is different from a crystalline semiconductor material of the semiconductor substrate. A gate stack surrounds the at least one suspended nanostructure. | 10-01-2015 |
Patent application number | Description | Published |
20110027334 | MULTILAYER MEDICAL DEVICES HAVING AN ENCAPSULATED EDGE AND METHODS THEREOF - The present disclosure describes a medical which includes a body defining a conduit. The body includes a multilayer wall having at least one edge. The wall including a core layer positioned between an inner layer and an outer layer, wherein at least one of the inner and outer layers encapsulates the core layer along the edge. | 02-03-2011 |
20110232648 | TRACHEOSTOMY TUBE WITH FILLETED FLANGE - Various embodiments of a tracheostomy tube having neck flanges with filleted ends are provided. In certain embodiments, the neck flange may include a fillet extending from a bottom surface of the neck flange to a tip of the neck flange. In addition, the filleted end may also be tapered from a top surface of the neck flange to the tip of the neck flange. The neck flange may also include several curved edges, such as curved edges from the tip of the neck flange to side surfaces of the neck flange, and a curved bottom surface from side surface to side surface of the neck flange. | 09-29-2011 |
20110265797 | EXTENDABLE TRACHEAL TUBE - The present disclosure describes systems and methods that utilize an extendable tracheal tube system. The extendable tracheal tube system includes an extendable tracheal tube having a distal end portion and a proximal end portion. The proximal end portion and the distal end portion of the extendable tracheal tube are capable of moving axially relative to each other. An obturator is also provided that is capable of aiding in the intubation and/or extubation of the extendable tracheal tube. The use of the extendable tracheal tube system and methods enables the secure attachment of the extendable tracheal tube to a patient airway while allowing for certain movements of the patient, such as neck and head movements. | 11-03-2011 |
20110290254 | TRACHEAL TUBE WITH CONNECTOR INSERT - A tracheal tube assembly includes a connector body, a cannula extending from the connector body, and an insert that provides rigidity to the connector body and retains the cannula in the connector body. The cannula has a tapered upper end that fits between conforming tapered sections of the connector body inner surface and the insert. The insert may include features to prevent rotation of the cannula as well as rotation of the insert in the connector body. Features of the insert and connector body may also interface to mechanically retain the insert in the connector body. Different sizes of cannula may be accommodated by different inserts, while using the same or different connector bodies. | 12-01-2011 |
20120118294 | TRACHEAL TUBE WITH REINFORCED PROXIMAL EXTENSION - A tracheal tube includes a proximal extension between a flange member and a connector. The extension may allow for easier access to the connector. The extension is reinforced to limit bending and kinking. Reinforcement may be accomplished by a helical element that is embedded in the extension, such as between an inner cannula and an outer cover. The outer cover may be molded with a connector after placement of the reinforcing member. | 05-17-2012 |
20120227746 | TRACHEAL TUBE CONNECTOR DEVICES AND METHODS - Various embodiments of tracheostomy tube assemblies including a cannula, a cap, and a flange are provided. The cannula includes a distal end and a proximal end, the distal end being adapted to be inserted into a patient's trachea. The annular cap includes an annular body having a first surface adapted to be received into the proximal end of the cannula to retain a portion of the cap in the annular body. The flange member includes a second surface that engages the proximal end of the cannula such that the proximal end of the cannula is retained between the second surface of the flange member and the first surface of the annular cap. The flange member also includes a third surface adapted to engage an inner surface of the annular body of the annular cap to retain the flange member between the annular cap and the proximal end of the cannula. | 09-13-2012 |
20120247477 | TRACHEAL TUBE WITH CONNECTOR INSERT - A tracheal tube assembly includes a connector body, a cannula extending from the connector body, and an insert that provides rigidity to the connector body and retains the cannula in the connector body. The cannula has an upper end that fits between conforming tapered sections of the connector body inner surface and the insert. The insert may include features to mitigate stress on and around any secondary lumens in the cannula wall. Because the wall is thinner at the site of a secondary lumen, the connector body insert may include a recess into which the cannula wall may expand. The recess may be aligned with the secondary lumen. | 10-04-2012 |
20120259173 | VISUALIZATION DEVICE AND HOLDER FOR USE WITH A TRACHEAL TUBE - The present disclosure describes systems and methods that utilize a tracheal tube with an integral visualization device, such as a camera. The tracheal tube system may include a camera apparatus or other visualization device that is associated with a lumen formed in the wall of the tube. In addition, the camera apparatus may be positioned within a holder associated with a distal end of the tracheal tube that functions to hold and position the optical components of the camera relative to the tube and provides an acceptable profile for comfortable intubation. Further, the camera apparatus and its associated holder may include additional components, such as integral light sources and flushing or cleaning devices to remove any buildup from the camera or optical components. | 10-11-2012 |
20130025601 | TRACHEAL TUBE WITH REINFORCED PROXIMAL EXTENSION - A tracheal tube assembly includes a cannula configured to be positioned in a patient airway, the assembly further comprising a reinforcing member and/or extension member. The tracheal tube assembly further includes a flange member secured about the cannula. The tracheal tube assembly additionally includes a connector coupled to a proximal end of the cannula, wherein the cannula and the connector form a contiguous passageway for exchanging fluid with the patient airway in operation. | 01-31-2013 |
20130319423 | TRACHEOSTOMY TUBE WITH FILLETED FLANGE - Various embodiments of a tracheostomy tube having neck flanges with filleted ends are provided. In certain embodiments, the neck flange may include a fillet extending from a bottom surface of the neck flange to a tip of the neck flange. In addition, the filleted end may also be tapered from a top surface of the neck flange to the tip of the neck flange. The neck flange may also include several curved edges, such as curved edges from the tip of the neck flange to side surfaces of the neck flange, and a curved bottom surface from side surface to side surface of the neck flange. | 12-05-2013 |
20150040913 | TRACHEAL TUBE WITH CONNECTOR INSERT - A tracheal tube assembly includes a connector body, a cannula extending from the connector body, and an insert that provides rigidity to the connector body and retains the cannula in the connector body. The cannula has an upper end that fits between conforming tapered sections of the connector body inner surface and the insert. The insert may include features to mitigate stress on and around any secondary lumens in the cannula wall. Because the wall is thinner at the site of a secondary lumen, the connector body insert may include a recess into which the cannula wall may expand. The recess may be aligned with the secondary lumen. | 02-12-2015 |