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Nguyen, Milpitas

Anh N. Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20090283252GAS HEATER - A method and apparatus for heating or cooling a fluid. An inlet conduit coupled to a plurality of distribution nozzles in fluid communication with a channel at the periphery of the apparatus. An insert and a sleeve cooperatively define a thin gap, in fluid communication with the channel, through which the fluid flows. Thermal inserts near the thin gap generate heat flux into or out of the fluid, which exits through an outlet conduit.11-19-2009
20100048032PROCESS GAS DELIVERY FOR SEMICONDUCTOR PROCESS CHAMBER - Methods and apparatus for a gas delivery assembly are provided herein. In some embodiments, the gas delivery assembly includes a gas inlet funnel having a first volume and one or more gas conduits; each gas conduit having an inlet and an outlet for facilitating the flow of a gas therethrough and into the first volume, wherein each gas conduit has a second volume less than the first volume, and wherein each gas conduit has a cross-section that increases from a first cross-section proximate the inlet to a second cross-section proximate the outlet, wherein the second cross-section is non-circular. In some embodiments, each conduit has a longitudinal axis that intersects a central axis of the gas inlet funnel.02-25-2010
20100218784COPPER DEPOSITION CHAMBER HAVING INTEGRATED BEVEL CLEAN WITH EDGE BEVEL REMOVAL DETECTION - Embodiments of the invention generally provide apparatus and method for detecting and controlling edge bevel removal of a semiconductor substrate. One embodiment of the present invention provides an apparatus for inspecting a rotating substrate. The apparatus comprises a substrate support configured to support the rotating substrate on a back side and rotate the substrate about a central axis, and a sensor positioned above the substrate support, the sensor being configured to inspect a front side of the rotating substrate while moving simultaneously radially across the substrate.09-02-2010
20100279516APPARATUS AND METHOD OF ALIGNING AND POSITIONING A COLD SUBSTRATE ON A HOT SURFACE - Embodiments of the invention contemplate a method, apparatus and system that are used to support and position a substrate on a surface that is at a different temperature than the initial, or incoming, substrate temperature. Embodiments of the invention may also include a method of controlling the transfer of heat between a substrate and substrate support positioned in a processing chamber. The apparatus and methods described herein generally may also provide an inexpensive and simple way of accurately positioning a substrate on a substrate support that is positioned in a semiconductor processing chamber. Substrate processing chambers that can benefit from the various embodiments described herein include, but are not limited to RTP, CVD, PVD, ALD, plasma etching, and/or laser annealing chambers.11-04-2010
20100294199CVD APPARATUS FOR IMPROVED FILM THICKNESS NON-UNIFORMITY AND PARTICLE PERFORMANCE - Embodiments of the invention provide improved apparatus for depositing layers on substrates, such as by chemical vapor deposition (CVD). The inventive apparatus disclosed herein may advantageously facilitate one or more of depositing films having reduced film thickness non-uniformity within a given process chamber, improved particle performance (e.g., reduced particles on films formed in the process chamber), chamber-to-chamber performance matching amongst a plurality of process chambers, and improved process chamber serviceability.11-25-2010
20110223334ATOMIC LAYER DEPOSITION CHAMBER WITH MULTI INJECT - Embodiments of the invention relate to apparatus and methods for depositing materials on substrates during atomic layer deposition processes. In one embodiment, a chamber lid assembly comprises a channel having an upper portion and a lower portion, wherein the channel extends along a central axis, a housing having an inner region and at least partially defining two or more annular channels, an insert disposed in the inner region and defining the upper portion, the upper portion fluidly coupled with the two or more annular channels, and a tapered bottom surface extending from the bottom portion of the channel to a peripheral portion of the chamber lid assembly.09-15-2011

Patent applications by Anh N. Nguyen, Milpitas, CA US

Anthony Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20090038623INDUCTIVE POWER TRANSFER SYSTEM FOR PALATAL IMPLANT - An inductive power transfer system associated with an airway implant device is disclosed. A non-implanted portion of the system comprises a mouthpiece or retainer. The mouthpiece includes a power transfer circuit and a power source. The power transfer circuit includes a receive circuit configured to receive a first inductive power transfer from a charging device and to deliver a charging current to the power source. The power transfer circuit also includes a transmit circuit coupled to the power source. The transmit circuit is configured to provide a second inductive power transfer from the mouthpiece to the airway implant. Some embodiments of the non-implanted portion include a charge controller and a lithium polymer battery. Some embodiments of the charging device include a microcontroller for controlling operation of the charging device based on a proximity of the mouthpiece.02-12-2009

Cung-Tuong Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20110059442Multiplex detection of nucleic acids - Methods of detecting nucleic acids, including methods of detecting two or more nucleic acids in multiplex branched-chain DNA assays, are provided. Nucleic acids captured on a solid support are detected, for example, through cooperative hybridization events that result in specific association of a label with the nucleic acids. Compositions, kits, and systems related to the methods are also described.03-10-2011
20110059866Multiplex detection of nucleic acids - Methods of detecting nucleic acids, including methods of detecting two or more nucleic acids in multiplex branched-chain DNA assays, are provided. Nucleic acids captured on a solid support are detected, for example, through cooperative hybridization events that result in specific association of a label with the nucleic acids. Compositions, kits, and systems related to the methods are also described.03-10-2011
20120034703Devices, Systems and Methods for Processing of Magnetic Particles - Devices, systems and methods for separation of magnetic particles with either hand held devices or automated instruments. Specifically, the production of magnetic fields for the separation of the particles within containers such as microtiter plates with a magnetic field that is substantially consistent for each well. Certain embodiments produce a magnetic field that is substantially uniform across each well bottom, while other embodiments produce a magnetic field that is stronger toward the outer region of each well.02-09-2012

Patent applications by Cung-Tuong Nguyen, Milpitas, CA US

Duy D. Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20090177310METHOD OF CONTROLLING PROCESS PARAMETERS FOR SEMICONDUCTOR MANUFACTURING APPARATUS - Methods and systems for adaptively controlling process parameters in semiconductor manufacturing equipment. An embodiment provides for gain scheduling of PID controllers across recipe steps. One embodiment provides a method for controlling a chuck temperature during a semiconductor manufacturing process, the method employing a first set of proportional-integral-derivative (PID) values in a PID controller to control the chuck temperature at a first setpoint in a first step of a process recipe and employing a second set of PID values in the PID controller to control the chuck temperature at a second setpoint, different than the first setpoint, in a second step of the process recipe. The methods and systems provide reduced controller response times where process parameter setpoint between steps of a process recipe span a wide range.07-09-2009
20110031216SYNCHRONIZED RADIO FREQUENCY PULSING FOR PLASMA ETCHING - Methods for processing a substrate are provided herein. In some embodiments, a method of etching a dielectric layer includes generating a plasma by pulsing a first RF source signal having a first duty cycle; applying a second RF bias signal having a second duty cycle to the plasma; applying a third RF bias signal having a third duty cycle to the plasma, wherein the first, second, and third signals are synchronized; adjusting a phase variance between the first RF source signal and at least one of the second or third RF bias signals to control at least one of plasma ion density non-uniformity in the plasma or charge build-up on the dielectric layer; and etching the dielectric layer with the plasma.02-10-2011
20110186545FEEDFORWARD TEMPERATURE CONTROL FOR PLASMA PROCESSING APPARATUS - Methods and systems for controlling temperatures in plasma processing chamber with reduced controller response times and increased stability. Temperature control is based at least in part on a feedforward control signal derived from a plasma power input into the processing chamber. A feedforward control signal compensating disturbances in the temperature attributable to the plasma power may be combined with a feedback control signal counteracting error between a measured and desired temperature.08-04-2011

Hiep Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20100076476SYSTEMS AND METHODS FOR CABLE-BASED TISSUE REMOVAL - Systems and methods for treating disc herniation include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include flexible elongate members, such as a cable, that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal.03-25-2010
20110054507DEVICES AND METHODS FOR ARCHED ROOF CUTTERS - Disclosed herein are tissue-removal devices and methods for treating spinal diseases using such devices. The tissue-removal devices may comprise a cable and/or extendable elements with a retracted and a deployed configuration. The cable and/or extendable elements may be distally supported and restrained by a support element such that the support element may be pushed transversely away when the extendable element is distally extended into its deployed configuration. An annular cutting element may be provided about the distal end of the extendable element or the support element. Various configurations of the extendable and support elements are described herein, as well as methods of using tissue-removal devices with extendable and support elements coupled by an annular cutting element for treating spinal diseases.03-03-2011
20110098711DEVICES AND METHODS FOR ARCHED ROOF CUTTERS - Disclosed herein are tissue-removal devices and methods for treating spinal diseases using such devices. The tissue-removal devices may comprise a cable and/or extendable elements with a retracted and a deployed configuration. The cable and/or extendable elements may be distally supported and restrained by a support element such that the support element may be pushed transversely away when the extendable element is distally extended into its deployed configuration. An annular cutting element may be provided about the distal end of the extendable element or the support element. Various configurations of the extendable and support elements are described herein, as well as methods of using tissue-removal devices with extendable and support elements coupled by an annular cutting element for treating spinal diseases.04-28-2011
20110190803BLADE DEBRIDER - Systems and methods for treating disc herniation or degeneration, disc degeneration, and vertebral body fracture include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include rotatable blade devices having flow control surfaces that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal.08-04-2011
20120016400SYSTEMS AND METHODS FOR CABLE-BASED TISSUE REMOVAL - Systems and methods for treating disc herniation include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include flexible elongate members, such as a cable, that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal.01-19-2012
20120022564DEVICES AND METHODS FOR ARCHED ROOF CUTTERS - Disclosed herein are tissue-removal devices and methods for treating spinal diseases using such devices. The tissue-removal devices may comprise a cable and/or extendable elements with a retracted and a deployed configuration. The cable and/or extendable elements may be distally supported and restrained by a support element such that the support element may be pushed transversely away when the extendable element is distally extended into its deployed configuration. An annular cutting element may be provided about the distal end of the extendable element or the support element. Various configurations of the extendable and support elements are described herein, as well as methods of using tissue-removal devices with extendable and support elements coupled by an annular cutting element for treating spinal diseases.01-26-2012

Patent applications by Hiep Nguyen, Milpitas, CA US

Hoan Hai Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20100108263EXTENDED CHAMBER LINER FOR IMPROVED MEAN TIME BETWEEN CLEANINGS OF PROCESS CHAMBERS - Embodiments of liners for semiconductor process chambers are provided herein. In some embodiments, a liner for a semiconductor process chamber includes a first portion configured to line at least a portion of an inner volume of the semiconductor process chamber and a second portion configured to line at least a portion of a pump port of the semiconductor process chamber. In some embodiments, the first portion and the second portion are coupled together. In some embodiments, the first portion and the second portion of the liner may be fabricated a single piece. In some embodiments, the liner may be disposed in a process chamber having an inner volume and a pump port fluidly coupled to the inner volume.05-06-2010

Hung C. Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20080212507APPARATUS AND METHOD TO COMBINE WIRED AND WIRELESS UWB APPLICATIONS - A system and method set up a beacon group for both wired and wireless UWB nodes along a single superframe with a single time frequency code and then transmits data between the wired and wireless nodes per the single superframe and time frequency code.09-04-2008

Patent applications by Hung C. Nguyen, Milpitas, CA US

Jacqueline Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20090093069Topiramate Immunoassays - Diacetonefructose derivatives have substituents at the hydroxyl-position. Diacetonefructose derivatives may include immunogenic moieties to prepare anti-diacetonefructose derivative antibodies, or antigenic moieties for immunodiagnostic assays. Also, the diacetonefructose derivatives can include signal generating moieties for detecting the presence or amount of the diacetonefructose derivative in a sample. Additionally, the diacetonefructose derivatives can be used in immunodiagnostic assays to compete with topiramate for binding with anti-diacetonefructose derivative antibodies. Also, methods, compositions and kits are disclosed directed at diacetonefructose derivatives, immunogens, signal generating moieties and immunoassays for topiramate.04-09-2009

Loc Hoang Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20110069415METHOD AND APPARATUS FOR DETECTING RAPID OF TRACK FOLLOWING AND PROTECTING NEARBY TRACKS FROM RAPID OFF TRACK WRITING IN A HARD DISK DRIVE - This application discloses a hard disk drive using a self-resonant frequency band of a Voice Coil Motor far above its operational frequency band to predict Rapid Off Track events before its head stack assembly can deliver the disruption to the slider writing a track. A circuit board and/or an integrated circuit are disclosed in various embodiments to predict the ROT events using the self-resonant frequency band and/or to respond to the prediction to suppress the slider writing.03-24-2011

Luu Ngoc Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20100039137DOWNLOAD SEQUENCING TECHNIQUES FOR CIRCUIT CONFIGURATION DATA - Methods, systems, and devices are described for the implementation of a novel architecture to support download sequencing techniques for circuit configuration data. Sets of configuration data from nonvolatile memory may be sequentially transferred to volatile memory to support reconfigurable circuit elements, for example, for use in a clock generator. Different programmable circuit elements may use configuration data, but have different ramp-up times before stable operation. With early download sequence positioning of configuration data, and corresponding immediacy in initiation of operation, certain clock elements are able to commence initiation of operation while remaining clock elements are provided with configuration data from a latter portion of the download sequence.02-18-2010
20110089971DOWNLOAD SEQUENCING TECHNIQUES FOR CIRCUIT CONFIGURATION DATA - Methods, systems, and devices are described for the implementation of a novel architecture to support download sequencing techniques for circuit configuration data. Sets of configuration data from nonvolatile memory may be sequentially transferred to volatile memory to support reconfigurable circuit elements, for example, for use in a clock generator. Different programmable circuit elements may use configuration data, but have different ramp-up times before stable operation. With early download sequence positioning of configuration data, and corresponding immediacy in initiation of operation, certain clock elements are able to commence initiation of operation while remaining clock elements are provided with configuration data from a latter portion of the download sequence.04-21-2011

Mary Thanhhuong Thi Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20100141466System and method for automatic detection of fiber and copper in data switch systems - A system and method automatically maintains data indicating a type of transmission medium connected at a port in a data switch device. The method comprises reading first transmission medium type data representing whether a first transmission medium type is connected to the port. A check is performed to determine whether a stored first transmission medium value is updated based at least in part on the first transmission medium type data, the first transmission medium value representing whether the first transmission medium type is actively connected. The method also involves reading second transmission medium type data representing whether a second transmission medium type is connected to the port. A check is performed to determine whether a stored second transmission medium value is updated based at least in part on the second transmission medium type data, the second transmission medium value representing whether the second transmission medium type is actively connected.06-10-2010

Michael Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20100263852HEAT MANAGEMENT FOR ENCLOSED ELECTRONICS - Providing a plurality of fans within an enclosure. A system implementing this technique can include an enclosure, a heat sink in thermal communication with the enclosure, electronic components at least partially sealed within the enclosure, an eXclusive OR (XOR) fan array, a monitoring engine, and a control engine. A method implementing this technique can include using a heat sink to dissipate heat generated by electronic components within an enclosure; determining that each of the fans of a XOR fan array are stopped, selecting one and only one of the fans of the XOR fan array for operation, and operating the fan to increase air flow within the enclosure, thereby increasing the efficiency of the heat sink.10-21-2010

Quang Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20120057473FAULT DIAGNOSTICS FOR IMPROVED QUALITY OF SERVICE - Providing a near-carrier class service to a non-carrier class backhaul network, including: monitoring a connection of the non-carrier class backhaul network of at least one picocell by periodically sending at least one message to a monitoring agent located within an interne service provider network; tracing the connection to the monitoring agent through a network operations center when an acknowledgement in response to the at least one message is not received from the monitoring agent; generating an alert message that provides detailed information about a point of failure in the connection when a loss of connection is detected in tracing the connection; and generating a solution to fix the loss of connection so that the near-carrier class service can be provided to the non-carrier class backhaul network of the at least one picocell.03-08-2012
20120058777SYSTEMS AND METHODS FOR CONTROLLING QUALITY OF SERVICE AT PICOCELLS USING AGNOSTIC PLATFORM - Systems and methods for maintaining the quality of service provided by a picocell and for reducing the cost to maintain and operate the picocell. The systems and methods provided herein, in an embodiment, provide for a backhaul and radio agnostic system where the picocell is highly configurable and can be used with a variety of different types of backhauls and radio devices. Remote monitoring and configuration of the device may be provided to reduce the cost of maintaining the picocell.03-08-2012

Tan Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20120017450Loop Pile Cutter - A loop pile cutter includes an added blade holder thumbscrew that provides an additional clamping force to hold a blade holder right side and blade holder left side against a base mounting bracket. The added blade holder thumbscrew also guides the blade holder along the base mounting bracket. In particular, the added blade holder thumbscrew inserts within a slot in the base mounting bracket. Since the added blade holder thumbscrew is removable, the slot may be closed-ended. The combination of an added blade holder thumbscrew and a closed-ended slot in the base mounting bracket reduces deflection of the blade holder from carpet tufts that resist being parted by a center row guiding edge.01-26-2012

Tan D. Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20080217593TAIL SECTION FOR CARPET STRETCHING TOOL - A tail section for a carpet stretching tool. The carpet stretching tool is the type having a carpet engaging head, an elongate body, a tail section and a lever mechanism allowing extension of the elongate body. The tail section includes a first leg and a second leg, each leg having a wall running face. The legs may be selectively positioned between at least two positions. In one positions the wall running faces form a substantially flat surface allowing use of the tool down a wall section. In a second position the wall running faces on the first and second leg of the tool may be positioned at an angle to allow the tool to be used on corner locations within a room or on a post.09-11-2008
20080217594TAIL SECTION FOR CARPET STRETCHING TOOL - A tail section for a carpet stretching tool. The carpet stretching tool is the type having a carpet engaging head, an elongate body, a tail section and a lever mechanism allowing extension of the elongate body. The tail section includes a first leg and a second leg, each leg having a wall running face. The legs may be selectively positioned between at least two positions. In one positions the wall running faces form a substantially flat surface allowing use of the tool down a wall section. In a second position the wall running faces on the first and second leg of the tool may be positioned at an angle to allow the tool to be used on corner locations within a room or on a post.09-11-2008
20080264225UNDERCUT SAW - An undercut saw including a housing, a motor within said housing, a drive shaft rotated by said motor, and a blade mount mechanically linked to said shaft such that a circular saw blade mounted on said mount is rotated when the motor rotates the drive shaft. A fixed blade guard circumscribes a portion of the blade and allows selectable height adjustment of the blade. A stabilization bar on the fixed blade guard may be extended to make the device more stable. On the underside of the fixed blade guard a dust channel allows dust to be swept by the rotating blade into a dust port. The dust channel allows positioning of the dust port away from the leading edges of the fixed blade guard.10-30-2008

Thao A. Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20080218895Systems and/or methods for controlling bias voltages between recording media and read/write heads in disk drive devices - Certain example embodiments relate to techniques for more precisely adjusting the spacing between a head and a disk in a disk drive device. A spindle motor of a disk drive device may be electrically isolated from at least the base plate by means of, for example, a nonconductive adhesive. Circuitry for monitoring and/or applying a voltage to the head and/or to the disk to control an amount of spacing between the head and the disk may be provided. In certain example embodiments, such circuitry may monitor the disk voltage and then apply an appropriate voltage bias to the head to control the spacing therebetween electrostatically. In certain other example embodiments, such circuitry may monitor the head voltage and then adjust the spindle voltage accordingly. In still other example embodiments, the disk voltage and the head voltage may be controlled and/or adjusted based on a known voltage differential so that a precise disk/head voltage potential is achieved.09-11-2008

Vicky Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20110061810Apparatus and Methods for Cyclical Oxidation and Etching - Apparatus and methods for the manufacture of semiconductor devices suitable for narrow pitch applications and methods of fabrication thereof are described herein. Disclosed are various single chambers configured to form and/or shape a material layer by oxidizing a surface of a material layer to form an oxide layer; removing at least some of the oxide layer by an etching process; and cyclically repeating the oxidizing and removing processes until the material layer is formed to a desired shape. In some embodiments, the material layer may be a floating gate of a semiconductor device.03-17-2011
20110061812Apparatus and Methods for Cyclical Oxidation and Etching - Apparatus and methods for the manufacture of semiconductor devices suitable for narrow pitch applications and methods of fabrication thereof are described herein. Disclosed are various single chambers configured to form and/or shape a material layer by oxidizing a surface of a material layer to form an oxide layer; removing at least some of the oxide layer by an etching process; and cyclically repeating the oxidizing and removing processes until the material layer is formed to a desired shape. In some embodiments, the material layer may be a floating gate of a semiconductor device.03-17-2011
20110065276Apparatus and Methods for Cyclical Oxidation and Etching - Apparatus and methods for the manufacture of semiconductor devices suitable for narrow pitch applications and methods of fabrication thereof are described herein. Disclosed are various single chambers configured to form and/or shape a material layer by oxidizing a surface of a material layer to form an oxide layer; removing at least some of the oxide layer by an etching process; and cyclically repeating the oxidizing and removing processes until the material layer is formed to a desired shape. In some embodiments, the material layer may be a floating gate of a semiconductor device.03-17-2011

Vicky U. Nguyen, Milpitas, CA US

Patent application numberDescriptionPublished
20100062603SEMICONDUCTOR DEVICES SUITABLE FOR NARROW PITCH APPLICATIONS AND METHODS OF FABRICATION THEREOF - Semiconductor devices suitable for narrow pitch applications and methods of fabrication thereof are described herein. In some embodiments, a semiconductor device may include a floating gate having a first width proximate a base of the floating gate that is greater than a second width proximate a top of the floating gate. In some embodiments, a method of shaping a material layer may include (a) oxidizing a surface of a material layer to form an oxide layer at an initial rate; (b) terminating formation of the oxide layer when the oxidation rate is about 90% or below of the initial rate; (c) removing at least some of the oxide layer by an etching process; and (d) repeating (a) through (c) until the material layer is formed to a desired shape. In some embodiments, the material layer may be a floating gate of a semiconductor device.03-11-2010