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Ku, CA
Allen Ku, Walnut, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100013773 | Keyboard apparatus integrated with handwriting retrieval function - A keyboard apparatus integrated with a function of retrieving handwriting tracks is disclosed. A handwriting retrieval module is disposed in the keyboard apparatus. The handwriting retrieval module helps users retrieve the data generated by tracing the handwriting in addition to input by keyboard. This keyboard apparatus integrated with the handwriting retrieval function implement a complete input solution. | 01-21-2010 |
| 20100037064 | Method of encryption and decryption and a keyboard apparatus integrated with functions of memory card reader and fingerprint encryption/decryption - A method of encryption and decryption and a keyboard apparatus integrated with a memory card reader and an encryption/decryption scheme using fingerprints is disclosed. The invention integrates a memory card reader and a fingerprint scan module into a keyboard apparatus. The memory card reader and fingerprint scan module are jointly using the power supply and data transmission port. Therefore, the keyboard apparatus uses the memory card reader to function data transferring, and the fingerprint scan module is used to retrieve a fingerprint of the user, which is used to encrypt or decrypt the data in the memory card by the keyboard's driver. Thereby, in the preferred embodiment, the biometric characteristic is applied to encrypt/decrypt the data in the computer system or the data in the memory card by a program installed in the computer system. The multi-functional keyboard is achieved. | 02-11-2010 |
| 20100039388 | Keyboard apparatus integrated with touch input module - A keyboard apparatus integrated with a touch input module is disclosed, and the touch input module functions as a handwriting mode and a cursor mode. Therefore, an input apparatus with more convenient and integrated functions is provided. According to the preferred embodiment, a keyboard controller for processing and transferring keystroke signals is included, and the touch input module is integrated into the keyboard. Further, a mode switching circuit is used to switch the touch input module to the handwriting mode or the cursor mode. Still further, a micro-controller in the touch input module is used to transfer the signals to a computer system through the keyboard controller. In particular, the touch input module jointly uses a power module and a communication port with the keyboard. | 02-18-2010 |
| 20110037704 | FLASH LIGHTING INPUT APPARATUS AND DRIVING METHOD THEREFOR - This invention provides a flash lighting input apparatus and driving method. According to this invention, the flash lighting input apparatus can be a flash lighting keyboard. The flash lighting apparatus comprises a micro control unit, a pulse width modulation unit electrically connects to the micro control unit, a light control unit electrically connects to the pulse width modulation unit, and a lighting unit electrically connects to the light control unit. The micro control unit produces a control signal to the pulse width modulation unit, and the pulse width modulation unit produces a modulation signal according to the control signal. The lighting control unit receives the modulation signal and produces a driving signal according to the modulation signal, and transfers the driving signal to the lighting unit to drive the lighting unit. | 02-17-2011 |
| 20110141017 | Waterproof mouse - A waterproof mouse includes a casing assembly, a circuit board, two touch switches, and a capacitive touch panel. The casing assembly has a base and a cover that are assembled with each other. A soft ring is assembled between the base and the cover. An outer cover with an opening covers on the cover, forms two elastic pressing portions and provides two protruding posts penetrating the cover into the base. The circuit board is provided in the base. The touch switches are coupled to the circuit board respectively and correspond to the two protruding posts of the outer cover. The capacitive touch panel, coupled to the circuit board, is assembled with the cover and located in the opening of the outer cover. With the above structure, the liquid penetrated into the mouse can be prevented. Further, in virtue of the capacitive touch panel, the mouse has a unique practicability. | 06-16-2011 |
| 20110205036 | POWER-SAVING WIRELESS INPUT DEVICE - This invention relates to a power-saving wireless input device. A pulse-width-modulation unit is introduced to generate a pulse-width modulator signal for controlling a light-source control unit to produce a driving signal. The driving signal is of the same duty cycle as that of the pulse-width-modulation signal so as to control the on/off of an indicator light. Furthermore, the invention introduces a timer unit to count a length of a time period between receipts of two subsequent input signals. When the length of the time period exceeds a predetermined threshold, a wireless input device is configured to be operating in a hibernation mode. Still further, an optical unit using a beam-splitting technology is introduced so that only one luminescent component may be necessary to provide light beams for the indicator lights of the wireless input device. | 08-25-2011 |
| 20120026096 | KEYBOARD APPARATUS INTEGRATED WITH COMBINED TOUCH INPUT MODULE - A keyboard apparatus integrated with a combined touch input module is disclosed. The combined touch input module having a touchpad module and a tablet module conducts a handwriting mode and a cursor mode for the keyboard apparatus. According to one of the embodiments, a keyboard controller for processing and transferring keystroke signals is included. The keyboard controller also performs the interpretation of the signals generated in the touch input module, which is integrated into the keyboard for providing both touching and handwriting functions. Further, a mode switching circuit, in response to user's operation, is used to switch the touch input module to the handwriting mode or the cursor mode. A micro controller within the touch input module is included to process the input signals generated by the touchpad and tablet modules. | 02-02-2012 |
| 20120087100 | PORTABLE KEYBOARD AND ELECTRONIC DEVICE CARRYING CASE - A protective carrying apparatus for a portable keyboard unit and a portable electronic device includes a case unit and a portable keyboard unit accommodated therein. The case unit has a first accommodating portion for accommodating the portable electronic device and a second accommodating portion having at least a magnetic coupler. The portable keyboard unit includes a magnetic member that can be selectively coupled to the magnetic coupler of the second accommodating portion of the case unit. | 04-12-2012 |
Chiaoping Ku, Fremont, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090063764 | Designed roughness and surface treatments for capillary buffer of fluid dynamic bearings - A contoured region is disposed within a capillary buffer of a Fluid Dynamic Bearing. In one embodiment, the contoured region comprises at least one defined edge for arresting the displacement of a lubricant within the capillary buffer. | 03-05-2009 |
| 20120099223 | CONICAL FLUID DYNAMIC BEARINGS HAVING IMPROVED STIFFNESS FOR USE IN HARD-DISK DRIVES - Approaches for a fluid dynamic bearing (FDB) system for use within a hard-disk drive. A fluid dynamic bearing (FDB) system may comprise an upper conical bearing and a lower conical bearing that are both disposed along a stationary shaft on which a magnetic-recording disk is rotatably mounted. The upper conical bearing and the lower conical bearing may have different cone angles, diameters, and/or lubricants to produce a desired difference in stiffness between the first conical bearing and the second conical bearing. By adjusting characteristics of the fluid dynamic bearing (FDB) system to achieve the desired bearing stiffness ratio, the tendency for the magnetic-recording disks to experience a sustained vibration when the hard-disk drive receives a mechanical shock is reduced. By preventing the magnetic-recording disks from sustained vibration after a mechanical shock, data may be written to and read from the magnetic-recording disks with greater reliability. | 04-26-2012 |
Chi-Young Ku, San Ramon, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100005077 | METHODS AND SYSTEMS FOR GENERATING QUERY PLANS THAT ARE COMPATIBLE FOR EXECUTION IN HARDWARE - Embodiments of the present invention generate and optimize query plans that are at least partially executable in hardware. Upon receiving a query, the query is rewritten and optimized with a bias for hardware execution of fragments of the query. A template-based algorithm may be employed for transforming a query into fragments and then into query tasks. The various query tasks can then be routed to either a hardware accelerator, a software module, or sent back to a database management system for execution. For those tasks routed to the hardware accelerator, the query tasks are compiled into machine code database instructions. In order to optimize query execution, query tasks may be broken into subtasks, rearranged based on available resources of the hardware, pipelined, or branched conditionally | 01-07-2010 |
David Ku, Palo Alto, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110213805 | SEARCH SYSTEMS AND METHODS WITH INTEGRATION OF USER ANNOTATIONS - Computer systems and methods allow users to annotate content items found in a corpus such as the World Wide Web. Annotations, which can include any descriptive and/or evaluative metadata related to a document, are collected from a user and stored in association with that user. Users are able to annotate and view their annotations for any document they encounter while interacting with the corpus, including hits returned in a search of the corpus. Users are also able to search their annotations or to limit searches to documents they have annotated. Metadata from annotations can also be aggregated across users and aggregated metadata applied in generating search results. | 09-01-2011 |
Edmond Ku, Sunnyvale, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100248277 | DETECTION AND QUANTIFICATION OF ANALYTES IN BODILY FLUIDS - This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care testing for a variety of medical applications. | 09-30-2010 |
James Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090024910 | ASYNCHRONOUS COMMUNICATION AND CONTENT SHARING - Techniques and mechanisms are provided for allowing a user to communicate and share content with other users in an asynchronous manner. A user can generate or dynamically create postings including video files, text, audio clips, greeting cards, calendar information, etc. A spatial plane or wall allows efficient manipulation and customization of posts. Other users can submit posts in a post tray and provide comments for any post on the wall of in the post tray. | 01-22-2009 |
Jie-Ren Ku, Davis, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100078055 | NANOSTRUCTURE AND PHOTOVOLTAIC CELL IMPLEMENTING SAME - A photovoltaic nanostructure according to one embodiment of the present invention includes an electrically conductive nanocable coupled to a first electrode, a second electrode extending along at least two sides of the nanocable, and a photovoltaically active p-n junction formed between the nanocable and the second electrode. A photovoltaic array according to one embodiment includes a plurality of photovoltaic nanostructures as recited above. Methods for forming nanostructures are also presented. | 04-01-2010 |
| 20100112748 | METHODS FOR FORMING NANOSTRUCTURES AND PHOTOVOLTAIC CELLS IMPLEMENTING SAME - A method for forming a nanostructure according to one embodiment includes creating a hole in an insulating layer positioned over an electrically conductive layer; and forming a nanocable in the hole such that the nanocable extends through the hole in the insulating layer and protrudes therefrom, the nanocable being in communication with the electrically conductive layer. Additional systems and methods are also presented. | 05-06-2010 |
Jonathan Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090232262 | Circuit for recovering an output clock from a source clock - An output clock recovery circuit ( | 09-17-2009 |
Joseph Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20120102334 | System and Method for Hardware Based Security - An asset management system is provided, which includes a hardware module operating as an asset control core. The asset control core generally includes a small hardware core embedded in a target system on chip that establishes a hardware-based point of trust on the silicon die. The asset control core can be used as a root of trust on a consumer device by having features that make it difficult to tamper with. The asset control core is able to generate a unique identifier for one device and participate in the tracking and provisioning of the device through a secure communication channel with an appliance. The appliance generally includes a secure module that caches and distributes provisioning data to one of many agents that connect to the asset control core, e.g. on a manufacturing line or in an after-market programming session. | 04-26-2012 |
Keh-Chiang Ku, Cupertino, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110169991 | IMAGE SENSOR WITH EPITAXIALLY SELF-ALIGNED PHOTO SENSORS - An image sensor pixel includes a substrate doped to have a first conductivity type. A first epitaxial layer is disposed over the substrate and doped to also have the first conductivity type. A transfer transistor gate is formed on the first epitaxial layer. An epitaxially grown photo-sensor region is disposed in the first epitaxial layer and has a second conductivity type. The epitaxially grown photo-sensor region includes an extension region that extends under a portion of the transfer transistor gate. | 07-14-2011 |
| 20120080765 | METHOD OF DAMAGE-FREE IMPURITY DOPING FOR CMOS IMAGE SENSORS - A method of fabricating a backside-illuminated pixel. The method includes forming frontside components of the pixel on or in a front side of a substrate, the frontside components including a photosensitive region of a first polarity. The method further includes forming a pure dopant region of a second polarity on a back side of the substrate, applying a laser pulse to the backside of the substrate to melt the pure dopant region, and recrystallizing the pure dopant region to form a backside doped layer. Corresponding apparatus embodiments are disclosed and claimed. | 04-05-2012 |
Lailing Ku, Pleasanton, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100047800 | Reagents and Methods for Detecting CYP2C9 Polymorphisms - The present invention relates to oligonucleotide sequences for amplification primers and detection probes and their use in nucleic acid amplification methods for the specific detection of clinically relevant CYP2C9 polymorphisms, in particular CYP2C9 polymorphisms associated with adverse drug response. The oligonucleotide sequences are also provided assembled as kits that can be used to predict how an individual will respond to drugs or other xenobiotic compounds that are metabolized, at least in part, by CYP2C9. | 02-25-2010 |
| 20100105041 | REAGENTS AND METHODS FOR DETECTING CYP2D6 POLYMORPHISMS - The present invention relates to oligonucleotide sequences for amplification primers and detection probes and their use in nucleic acid amplification methods for the specific detection of clinically relevant CYP2D6 polymorphisms, in particular CYP2D6 polymorphisms associated with adverse drug response. The oligonucleotide sequences are also provided assembled as kits that can be used to predict how an individual will respond to drugs or other xenobiotic compounds that are metabolized, at least in part, by CYP2D6. | 04-29-2010 |
| 20100248220 | Chlamydia Trachomatis Specific Oligonucleotide Sequences - The present invention relates to oligonucleotide sequences for amplification primers and detection probes and to their use in nucleic acid amplification methods for the selective and specific detection of | 09-30-2010 |
| 20100255482 | Hepatitis B Virus (HBV) Specific Oligonucleotide Sequences - The present invention relates to oligonucleotide sequences for amplification primers and detection probes and to their use in nucleic acid amplification methods for the detection of HBV in biological samples. In particular, oligonucleotide sequences are provided for the sensitive qualitative or quantitative detection of all eight HBV genotypes. The invention also provides oligonucleotide primer sets and primer/probe sets in the form of kits for the diagnosis of HBV infection. | 10-07-2010 |
Man H. Ku, Irvine, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20080220826 | Controller and Method for Using a DC-DC Converter in a Mobile Handset - A controller enables the integration of a DC-DC converter in an amplitude modulation power control loop in a mobile handset. The controller includes an input conditioner and an event sensor. The input conditioner uses a peak detector to track the output of a regulator and responds to available baseband input signals. The event sensor controls a switch that connects the DC-DC converter to a battery in response to a bypass event. The controller bypasses the DC-DC-converter when a transmitter is not enabled. The DC-DC converter is enabled prior to a transmission burst. A target voltage is determined from a series of detected peak voltages from the output of the regulator. The controller commands the DC-DC converter to transition to the target voltage until the end of a transmission burst. | 09-11-2008 |
| 20120064953 | CONTROLLER AND METHOD FOR USING A DC-DC CONVERTER IN A MOBILE HANDSET - A controller enables the integration of a DC-DC converter in an amplitude modulation power control loop in a mobile handset. The controller includes an input conditioner and an event sensor. The input conditioner uses a peak detector to track the output of a regulator and responds to available baseband input signals. The event sensor controls a switch that connects the DC-DC converter to a battery in response to a bypass event. The controller bypasses the DC-DC-converter when a transmitter is not enabled. The DC-DC converter is enabled prior to a transmission burst. A target voltage is determined from a series of detected peak voltages from the output of the regulator. The controller commands the DC-DC converter to transition to the target voltage until the end of a transmission burst. | 03-15-2012 |
Matthew Man Ho Ku, Irvine, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100246226 | TRANSITION MODE POWER FACTOR CORRECTION DEVICE WITH BUILT-IN AUTOMATIC TOTAL HARMONIC DISTORTION REDUCTION FEATURE - The present invention relates to controller for reducing the harmonics contents in the AC-to-DC converter. The controller, capable of minimizing THD due to crossover distortion, comprises: a THD Reducer for setting an appropriate offset voltage to for THD reduction; an Error Amplifier for generating an output voltage error signal corresponding to a deviation in the output voltage of the power supply unit from a predetermined reference voltage; Multiplier for combining the divided down rectified signal with the output voltage error signal to generate a sinusoidal reference signal; Comparator for generating a logic signal for setting the Power NMOS on period by comparing the received current sense signal with the summation of offset voltage from THD Reducer and output of Multiplier; Zero Crossing Detector (ZCD) for generating an edge logic signal to turn on Power NMOS, RS Flip-Flop Register and Gate Driver combined to create required analog waveform pattern for driving Power NMOS and thereby approximating the shape of the current running through boost inductor to the sinusoidal waveform of the rectified line input voltage and in the meantime to keep the valley of rectified sinusoidal waveform line voltage close to local ground value. | 09-30-2010 |
| 20100253410 | CLAMP PROTECTION CIRCUIT AND A PFC CONTROL CIRCUIT EMPLOYING SUCH CLAMP PROTECTION CIRCUIT - The present invention relates to clamp protection circuit and a PFC control circuit employing such clamp protection circuit. Said clamp protection circuit comprises a high voltage isolation module used for receiving power from a high voltage power supply; a voltage clamp module used for receiving an output low voltage from the high voltage isolation module and realizing a clamp protection; and a low voltage bias module used for providing bias voltage to the high voltage isolation module and the voltage clamp module. By employing the clamp protection circuit, the precision of the clamp voltage is improved, the design is simplified and the silicon area is reduced. Meanwhile, the transient response is enhanced. Moreover, when the clamp protection circuit is applied in a PFC control circuit, the design of the whole PFC control circuit is simplified and the silicon area is reduced, and the precision and transient response of the clamp voltage of the clamp protection circuit inside the PFC control circuit are improved. | 10-07-2010 |
| 20100275052 | LOAD ADAPTIVE EMI REDUCTION SCHEME FOR SWITCHING MODE POWER SUPPLY - The present invention relates to a frequency jittering device and method, and a switching power supply employing such frequency jittering device. Said method comprises: S1 generating a variable logic number; S2 generating a delay signal; S3 generating a PWM control signal according to the variable logic number and the delay signal; S4 generating an output signal according to the PWM control signal; and S5 generating a clock signal with variable frequency according to the output signal; wherein, the clock signal is fed back to update the variable logic number, and a jittering clock signal modified in each clock cycle is produced. The benefit of the present invention is not only can apply small low cost EMI filter but also can keep the noise floor level low enough at light load condition. | 10-28-2010 |
| 20100321193 | APPARATUS FOR CONTROLLING LED INDICATOR OF CHARGING STATUS AT THE PRIMARY CONTROL SIDE OF AN AC-DC POWER CHARGER - The present invention relates to a charge status indicator and a charger. The charger comprises a charging power supply and a charge status indicator, wherein, the charge status indicator comprises a detecting chip for monitoring charge status connected between the primary winding of transformer and ground, and a display module used for displaying the charge status, wherein, said detecting chip for monitoring charge status comprising: a detecting module for detecting the charging state of the charge power supply; a comparing module for determining the current charge status based on the detected charging state. By employing the charger or the charge status indicator for a charger, a primary-side feedback control Flyback SMPS may be employed, just a simple and reliable circuit is needed, and higher efficient can be achieved. | 12-23-2010 |
Mok Ku, Foster City, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20120079574 | Predictive Mechanism for Multi-Party Strengthening of Authentication Credentials with Non-Real Time Synchronization - A mechanism for strengthening authentication credentials for accessing any number of applications across multiple access interfaces and across multiple remote access sites is disclosed. The applications can be accessed by a set of authorized users by using multiple instances of a predictive scheme for generating and synchronizing the authentication credentials and by leveraging pre-existing infrastructure associated with the applications. | 03-29-2012 |
Nam-On Ku, Palo Alto, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110055937 | Keratin 8 Mutations are Risk Factors for Developing Liver Disease of Multiple Etiologies - Keratin 8 and 18 (K8/K18) mutations are shown to be associated with a predisposition to liver or biliary tract disease, particularly noncryptogenic hepatobiliary disease. Unique K8/K18 mutations are shown in patients with diseases including but without limitation to viral hepatitis, biliary atresia, alcoholic cirrhosis and other acute or chronic toxic liver injury, cryptogenic cirrhosis, acute fulminant hepatitis, autoimmune liver disease, cystic fibrosis, primary biliary cirrhosis, primary sclerosing cholangitis, diseases that are linked with cryptogenic cirrhosis, such as nonalcoholic steatohepatitis, and the like. Livers with keratin mutations had increased incidence of cytoplasmic filamentous deposits. Therefore, K8/K18 are susceptibility genes for developing cryptogenic and noncryptogenic forms of liver disease. Mutant alleles are associated with disease susceptibility, and their detection is used in the diagnosis of a predisposition to these conditions. | 03-03-2011 |
Ting Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090259425 | SYSTEM AND METHOD FOR INTEGRATED CIRCUIT CALIBRATION - A system and method for calibrating an integrated circuit. The method includes configuring a first impedance for a first output of the integrated circuit according to a first configuration code and measuring a first voltage at the first output which corresponds to the first configuration code. The method further includes configuring a second impedance for a second output of the integrated circuit according to a second configuration code and measuring a second voltage at the second output which corresponds to the second configuration code. A determination of which of the first voltage and the second voltage is nearest to a predetermined voltage value. Based on the voltage determination, the integrated circuit is configured according a code of said first and second codes that corresponds to the voltage nearest to the predetermined voltage. | 10-15-2009 |
Ting-Sheng Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090103443 | Loopback configuration for bi-directional interfaces - An interface for implementing a loopback configuration which offers improved calibration and/or testing of an electronic system is disclosed. More specifically, embodiments provide a bi-directional interface with at least two portions or partitions capable of communicating data in opposite directions and implementing a loopback configuration between components of an electronic system, thereby enabling more flexible, efficient and effective calibration and/or testing of the electronic system using a single interface. The loopback of the partitioned bi-directional interface may be used to perform data link training and/or electronic system testing. In one embodiment, the loopback configuration of the interface may be reversible. Additionally, the looped or coupled end of the partitions may be switched from one component to another, thereby reversing the configuration of the loopback in one embodiment. As such, embodiments enable different and/or additional calibration operations and/or tests to be performed when compared with conventional loopback configurations. | 04-23-2009 |
| 20090119532 | Method and system for a free running strobe tolerant interface - A method of receiving data. A plurality of data signals and clocking signals are received over a source synchronous communication channel. The plurality of data signals is strobed with the clocking signal at a plurality of coarse time offset delays (e.g., time offset delays spanning over a data bit period). The plurality of error rates associated with the strobing at the plurality of coarse time offset delays is determined. Strobing design of a transmitting component (e.g., edge-strobed, center-strobed, etc.) may be determined based on the plurality of error rates. The error rates of the plurality of data signals strobed with a plurality of time offset delays close to the determined strobing design of the transmitting component is calculated. A time offset delay is selected based on the error rates. The plurality of data signals can be strobed with the selected time offset delay to recover the transmitted data signals. | 05-07-2009 |
Vincent Ku, Mountain View, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20120116382 | CATHETER APPARATUSES HAVING MULTI-ELECTRODE ARRAYS FOR RENAL NEUROMODULATION AND ASSOCIATED SYSTEMS AND METHODS - Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function or of vascular structures that feed or perfuse the neural fibers. | 05-10-2012 |
Vincent Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100247767 | GAS DELIVERY APPARATUS AND METHOD FOR ATOMIC LAYER DEPOSITION - Apparatus and method for forming thin layers on a substrate are provided. A processing chamber has a gas delivery assembly that comprises a lid with a cap portion and a covering member that together define an expanding channel at a central portion of the lid, the covering member having a tapered bottom surface extending from the expanding channel to a peripheral portion of the covering member. Gas conduits are coupled to the expanding channel and positioned at an angle from a center of the expanding channel to form a circular gas flow through the expanding channel. The bottom surface of the chamber lid is shaped and sized to substantially cover the substrate receiving surface. One or more valves are coupled to the passageway, and one or more gas sources are coupled to each valve. A choke is disposed on the chamber lid adjacent a perimeter of the tapered bottom surface. | 09-30-2010 |
Vincent Ku, Palo Alto, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090197406 | SEQUENTIAL DEPOSITION OF TANTALUM NITRIDE USING A TANTALUM-CONTAINING PRECURSOR AND A NITROGEN-CONTAINING PRECURSOR - Embodiments of the invention provide a method for forming tantalum nitride materials on a substrate by employing an atomic layer deposition (ALD) process. The method includes heating a tantalum precursor within an ampoule to a predetermined temperature to form a tantalum precursor gas and sequentially exposing a substrate to the tantalum precursor gas and a nitrogen precursor to form a tantalum nitride material. Thereafter, a nucleation layer and a bulk layer may be deposited on the substrate. In one example, a radical nitrogen compound may be formed from the nitrogen precursor during a plasma-enhanced ALD process. A nitrogen precursor may include nitrogen or ammonia. In another example, a metal-organic tantalum precursor may be used during the deposition process. | 08-06-2009 |
| 20110070730 | SEQUENTIAL DEPOSITION OF TANTALUM NITRIDE USING A TANTALUM-CONTAINING PRECURSOR AND A NITROGEN-CONTAINING PRECURSOR - Embodiments of the invention provide a method for forming tantalum nitride materials on a substrate by employing an atomic layer deposition (ALD) process. The method includes heating a tantalum precursor within an ampoule to a predetermined temperature to form a tantalum precursor gas and sequentially exposing a substrate to the tantalum precursor gas and a nitrogen precursor to form a tantalum nitride material. Thereafter, a nucleation layer and a bulk layer may be deposited on the substrate. In one example, a radical nitrogen compound may be formed from the nitrogen precursor during a plasma-enhanced ALD process. A nitrogen precursor may include nitrogen or ammonia. In another example, a metal-organic tantalum precursor may be used during the deposition process. | 03-24-2011 |
Vincent W. Ku, Palo Alto, CA US
Vincent W. Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20080216743 | CHEMICAL PRECURSOR AMPOULE FOR VAPOR DEPOSITION PROCESSES - Embodiments of the invention provide chemical precursor ampoules that may be used during vapor deposition processes. In one embodiment, an apparatus for generating a chemical precursor gas used in a vapor deposition processing system is provided which includes a canister having a sidewall, a top, and a bottom forming an interior volume and a solid precursor material at least partially contained within a lower region of the interior volume. The apparatus further contains an inlet port and an outlet port in fluid communication with the interior volume and an inlet tube connected to the inlet port and positioned to direct a carrier gas towards the sidewall and away form the outlet port. In one example, the solid precursor contains pentakis(dimethylamido) tantalum (PDMAT). In another example, the apparatus contains a plurality of baffles that form an extended mean flow path between the inlet port and the outlet port. | 09-11-2008 |
| 20080274299 | APPARATUS AND METHOD FOR HYBRID CHEMICAL PROCESSING - In one embodiment, an apparatus for performing an atomic layer deposition (ALD) process is provided which includes a chamber body containing a substrate support, a lid assembly attached to the chamber body, a remote plasma system (RPS) in fluid communication with the reaction zone, a centralized expanding conduit extending through the lid assembly and expanding radially outwards, a first gas delivery sub-assembly configured to deliver a first process gas, and a second gas delivery sub-assembly configured to deliver a second process gas into the centralized expanding conduit. The first gas delivery sub-assembly contains an annular channel encircling and in fluid communication with the centralized expanding conduit, wherein the annular channel is adapted to deliver the first process gas through a plurality of passageways and nozzles and into the centralized expanding conduit. The second gas delivery sub-assembly contains a gas inlet in fluid communication to the centralized expanding conduit. | 11-06-2008 |
| 20090011129 | METHOD AND APPARATUS FOR PROVIDING PRECURSOR GAS TO A PROCESSING CHAMBER - Embodiments of the invention provide a method and an apparatus for generating a gaseous chemical precursor for a processing system. In one embodiment, an apparatus for generating the gaseous chemical precursor used in a vapor deposition processing system is provided and includes a canister having a sidewall, a top, and a bottom encompassing an interior volume therein, an inlet port and an outlet port in fluid communication with the interior volume, and an inlet tube extending from the inlet port into the canister, wherein the inlet tube contains an outlet positioned to direct a gas flow away from the outlet port and towards the sidewall of the canister. | 01-08-2009 |
| 20090308318 | APPARATUS AND METHOD FOR HYBRID CHEMICAL PROCESSING - In one embodiment, an apparatus for performing an atomic layer deposition (ALD) process is provided which includes a chamber body containing a substrate support, a lid assembly attached to the chamber body, a remote plasma system (RPS) in fluid communication with the reaction zone, a centralized expanding conduit extending through the lid assembly and expanding radially outwards, a first gas delivery sub-assembly configured to deliver a first process gas, and a second gas delivery sub-assembly configured to deliver a second process gas into the centralized expanding conduit. The first gas delivery sub-assembly contains an annular channel encircling and in fluid communication with the centralized expanding conduit, wherein the annular channel is adapted to deliver the first process gas through a plurality of passageways and nozzles and into the centralized expanding conduit. The second gas delivery sub-assembly contains a gas inlet in fluid communication to the centralized expanding conduit. | 12-17-2009 |
Weicheng Joseph Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110260894 | METHOD AND APPARATUS FOR ENTROPY DECODING - An entropy decoder and method for decoding code words with an indication of associated probability for each code word. The decoder may include an input buffer in communication with a branch node block, the branch node block in communication with a leaf node block. The input buffer operable to receive code words and the indication of associated probability. The branch node block comprising one or more branch node lookup tables and branch node control logic. The branch node control logic operable to process a code word in the input buffer using a selected table from the one or more branch node lookup tables to obtain leaf node information and a bit count of a code word size, the branch control logic further operable to refresh the input buffer to replace the bit count of the code word size and to make the leaf node information and the table selection available to the leaf node block. The leaf node block may include one or more leaf node lookup tables and leaf node control logic. The leaf node control logic operable to process the leaf node information and the table selection made available by the branch node block to obtain leaf node contents. | 10-27-2011 |
Wei Cheng Joseph Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110260896 | APPARATUS FOR PARALLEL ENTROPY ENCODING AND DECODING - An entropy encoder block for use in a context adaptive encoder and an entropy decoder block for use in a context adaptive decoder are provided. | 10-27-2011 |
| 20120022861 | PARALLEL ENTROPY ENCODER AND PARALLEL ENTROPY DECODER - An entropy encoder block for use in a context adaptive encoder and an entropy decoder block for use in a context adaptive decoder is presented. The encoder block includes a plurality of encoding elements, for processing encoding search tree look tables corresponding to encoding probabilities used by the context adaptive encoder, at least two of the encoding elements servicing the same probability. In an embodiment, at least one of the encoding search tree lookup tables comprises a set of shared encoding search tree lookup tables, accessible by at least two of the encoding elements. The decoder block includes a plurality of decoding elements, for processing decoding search tree lookup tables corresponding to the decoding probabilities used by the context adaptive decoder, at least two of the decoding elements servicing the same probability. In an embodiment, at least one of the decoding search tree lookup tables comprises a set of shared decoding search tree lookup tables, accessible by at least two of the decoding elements. | 01-26-2012 |
Weichun Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100011136 | Functional DMA - In one embodiment, a direct memory access (DMA) controller comprises a transmit control circuit, an offload engine, and a receive control circuit. The transmit control circuit is configured to read first DMA data from an address space in a host. Coupled to receive the first DMA data from the transmit control circuit, the offload engine is configured to perform at least a first operation on the first DMA data to produce a result. The offload engine is configured to at least start performing the first operation during a DMA transfer that provides the first DMA data to the offload engine. Coupled to the offload engine to receive the result, the receive control circuit is configured to write the result to the address space in the host according to a DMA descriptor data structure that describes the DMA transfer. | 01-14-2010 |
| 20110307759 | Functional DMA - In one embodiment, a direct memory access (DMA) controller comprises a transmit control circuit, an offload engine, and a receive control circuit. The transmit control circuit is configured to read first DMA data from an address space in a host. Coupled to receive the first DMA data from the transmit control circuit, the offload engine is configured to perform at least a first operation on the first DMA data to produce a result. The offload engine is configured to at least start performing the first operation during a DMA transfer that provides the first DMA data to the offload engine. Coupled to the offload engine to receive the result, the receive control circuit is configured to write the result to the address space in the host according to a DMA descriptor data structure that describes the DMA transfer. | 12-15-2011 |
Yu-Chun Ku, Sunnyvale, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20120073733 | PROCESSES FOR MAKING CRUSH RECOVERABLE POLYMER SCAFFOLDS - Methods for making scaffolds for delivery via a balloon catheter are described. The scaffold, after being deployed by the balloon, provides a crush recovery of about 90% after the diameter of the scaffold has been pinched or crushed by 50%. The scaffold structure has patterns that include an asymmetric or symmetric closed cell, and links connecting such closed cells. | 03-29-2012 |
Yu-Chun Ku, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100193483 | LASER CUTTING PROCESS FOR FORMING STENTS - Systems and methods for improving the cutting efficiency and cut profile of stent strut is provided. A means for altering the energy distribution of a laser beam is provided, along with various ways of controlling a laser to provide for improved strut configurations are provided. A method for improved cutting speeds using a combination of laser sources is also provided. | 08-05-2010 |