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Dong Li

Dong Li, Shenzhen CN

Patent application numberDescriptionPublished
20080210015FAILURE ANALYSIS SYSTEM AND METHOD USING THE SAME - A failure analysis system (09-04-2008
20100220195METHOD AND SYSTEM FOR UPDATING VIDEO DATA - A method, apparatus, and system for updating video data are disclosed herein. The first method disclosed herein includes: the MP receives an indication from the MC, detects the video quality of the video source, and requests the video data to be updated from the MC according to the detection result. The second method includes: the MP receives an indication sent by the MC and performs detection; and requests video data to be updated from the MC after detecting an in-band video data update request sent by a video source. The third method includes: the MP sends an in-band video data update request to the video source specified by the indication according to the indication sent by the MC, requesting to update the video data specified by the indication. Through the present invention, the MP requests the video data that needs to be updated from the MC.09-02-2010
20110085019MULTIPOINT CONTROL UNIT CASCADED SYSTEM, COMMUNICATIONS METHOD AND DEVICE - A Multipoint Control Unit (MCU) cascaded system is provided, which includes a plurality of MCUs under the management of a service management center. The cascade manner between the MCUs in the system is a reticulated cascade. A communications method for an MCU cascaded system, an MCU, and a service management center are also provided. In the embodiments of the present invention, because the connection and networking mode of MCUs in a cascaded system is changed, a transmission path passing the least MCUs can be selected according to a connection situation between the MCUs. Therefore, transmission delay and decrease of video and audio quality due to multiple forwarding by MCUs can be effectively avoided, and thus the media stream transmission time is reduced, and the play quality of the media stream is guaranteed in an overall manner.04-14-2011
20120120251Method and Apparatus for Obtaining Video Quality Parameter, and Electronic Device - Embodiments of the present invention disclose a method and an apparatus for obtaining a video quality parameter and an electronic device. The method includes dividing a target video segment into at least one video subsegment, where duration of every video subsegment is at least time perceivable by human eyes; obtaining a video quality parameter of the video subsegment; and processing the video quality parameter of the video subsegment, and obtaining a video quality parameter of the target video segment.05-17-2012

Patent applications by Dong Li, Shenzhen CN

Dong Li, Austin, TX US

Patent application numberDescriptionPublished
20110072239DATA MULTICASTING IN A DISTRIBUTED PROCESSOR SYSTEM - Methods, procedures, apparatuses, computer programs, computer-accessible mediums, processing arrangements and systems generally related to data multi-casting in a distributed processor architecture are described. Various implementations may include identifying a plurality of target instructions that are configured to receive a first message from a source; providing target routing instructions to the first message for each of the target instructions including selected information commonly shared by the target instructions; and, when two of the identified target instructions are located in different directions from one another relative to a router, replicating the first message and routing the replicated messages to each of the identified target instructions in the different directions. The providing target routing instructions may further comprise the selected information utilizing a subset of bits that is commonly shared by the target instructions and being identified as a left operand, right operand or predicate operand, and may include the selection of one of a plurality of multiple-instruction subsets of the target instructions.03-24-2011

Dong Li, Shanghai China CN

Patent application numberDescriptionPublished
20110063989METHOD AND DEVICE FOR CANCELING THE INTERFERENCE AMONG SIGNALS RECEIVED BY MULTIPLE MOBILE STATIONS - A Macro-Diversity HandOver (MDHO) solution based on multi-User MIMO is provided. Multiple base stations (BSs) serve the MDHO zone. By jointly precoding the modulated signals to be sent, the multiple BSs send the precoded signals to the multiple mobile stations (MSs) over the same time-frequency resources. The signal to be sent is transmitted to the multiple MSs in the MDHO zone. Due to the adoption of the precoding technique, each MS makes no or small interference to other MSs. Since the multiple BSs that serve one MDHO zone serve multiple MSs over the same time-frequency resources, the system capacity in the MDHO zone is greatly improved.03-17-2011

Dong Li, Phoenix, AZ US

Patent application numberDescriptionPublished
20090280267PLASMA-ENHANCED PULSED DEPOSITION OF METAL CARBIDE FILMS - Methods of forming a metal carbide film are provided. In some embodiments, a substrate is exposed to alternating pulses of a transition metal species and plasma-excited argon. The transition metal species is reacted with a carbon species to deposit a metal carbide film. The substrate is exposed to the carbon species simultaneously with the transition metal species, or the substrate is exposed to the carbon species in pulses temporally separated from the pulses of the transition metal species. In some embodiments, the carbon species and the transition metal species form parts of the same precursor compound, e.g., a metal organic compound.11-12-2009
20090315093ATOMIC LAYER DEPOSITION OF METAL CARBIDE FILMS USING ALUMINUM HYDROCARBON COMPOUNDS - Methods of forming metal carbide films are provided. In some embodiments, a substrate is exposed to alternating pulses of a transition metal species and an aluminum hydrocarbon compound, such as TMA, DMAH, or TEA. The aluminum hydrocarbon compound is selected to achieve the desired properties of the metal carbide film, such as aluminum concentration, resistivity, adhesion and oxidation resistance. In some embodiments, the methods are used to form a metal carbide layer that determines the work function of a control gate in a flash memory.12-24-2009
20100193955PLASMA-ENHANCED ATOMIC LAYER DEPOSITION OF CONDUCTIVE MATERIAL OVER DIELECTRIC LAYERS - Methods of forming a conductive metal layer over a dielectric layer using plasma enhanced atomic layer deposition (PEALD) are provided, along with related compositions and structures. A plasma barrier layer is deposited over the dielectric layer by a non-plasma atomic layer deposition (ALD) process prior to depositing the conductive layer by PEALD. The plasma barrier layer reduces or prevents deleterious effects of the plasma reactant in the PEALD process on the dielectric layer and can enhance adhesion. The same metal reactant can be used in both the non-plasma ALD process and the PEALD process.08-05-2010
20110027977DEPOSITION OF RUTHENIUM OR RUTHENIUM DIOXIDE - Methods of forming ruthenium or ruthenium dioxide are provided. The methods may include using ruthenium tetraoxide (RuO02-03-2011

Patent applications by Dong Li, Phoenix, AZ US

Dong Li, Lexington, KY US

Patent application numberDescriptionPublished
20110012848Methods and apparatus for operating a multi-object touch handheld device with touch sensitive display - A method of performing touch operation on a graphical object on a touch sensitive display of a multi-object touch handheld device is provided. The method comprises detecting the presence of at least two touch input objects; determining one of the touch input objects as pointing at a center of operation; determining a type of operation; and performing the type of operation on the graphical object at the center of operation. A handheld device with at least one processor and at least one type of memory is also provided. The handheld device further comprises touch sensitive display capable of showing at least one graphical object and sensing at least two touch input objects; means for determining the presence of the touch input objects touching the touch sensitive display; and means for determining a center of operation.01-20-2011

Dong Li, Shanghai CN

Patent application numberDescriptionPublished
20090303866METHOD AND DEVICE FOR THE BASEBAND PROCESS OF THE SPACE-TIME/SPACE -FREQUENCY/SPATIAL DIVERSITY TRANSMITTER - A method and device for the baseband process of space-time/space-frequency/spatial diversity transmitter in the SC-FDMA system, the device is characterized in that: 1) an encoding means is connected to the output end of the M-point DFT module; 2) a space-time encoding means, for encoding the corresponding symbol of at least two adjacent symbol sets, and outputting at least two data sets; each sub-carrier mapping means maps respectively each data set to the corresponding antenna, so that the mapped data satisfy the requirements: The symbols mapped on each antenna keep the same sequence as the M symbols outputted by the M-point DFT module; the mapped symbols keep the same sub-carrier interval; the M data of each mapped SC-FDMA symbol are the M outputted data of the DFT module, or the inverse of the M outputted data, or the complex conjugate of the M outputted data, or the inverse complex conjugate of the M outputted data. The present invention implements effective space diversity, reduces PAPR, and makes frequency domain equalization feasible.12-10-2009
20100290370METHOD AND APPARATUS FOR SCHEDULING RESOURCES BETWEEN DIFFERENT TDD SYSTEMS - A method and an apparatus for scheduling resources between a first TDD system and a second TDD system are disclosed, frames required for transmission by the first TDD system including a preamble sequence, an up-link subframe and a down-link subframe, the method comprises steps of allocating time and frequency resources for the first TDD system and the second TDD system based on service parameters of the first TDD system and service parameters of the second TDD system, and mapping the coded modulation data stream of the first TDD system and the second TDD system onto corresponding allocated time and frequency resources. According to the method and apparatus of the present invention, not only the latency of the traffic service, control signaling and the feedback transmission over the air interface can be reduced, but the compatibility requirement for existing system can also be reached. Moreover, resource allocation can be performed between different systems based on respective service loads.11-18-2010
20110142164METHOD AND DEVICE FOR REALIZING GROUPING IN MULTI-INPUT MULTI-OUTPUT TRANSMISSION WITH MULTIPLE-SECTOR COORDINATION - A method and device for performing Multi-Input Multi-Output transmission to a mobile terminal in the base station devices of a wireless communication system is provided. Each base station device determines the sector coordination group used at a certain frequency band according to system settings. Each base station device only performs multiple-sector (-cell) collaborative MIMO transmission in the sector coordination group which includes the sectors governed by the base station device. A simple and effective method is provided for realizing the multiple-sector (-cell) MIMO technology, its advantages including but not limited to there being a reduced amount of information exchanged between sectors (cells), which facilitates implementation and management, and good performance in controlling interface between sectors (cells).06-16-2011
20110207487SWITCHING TECHNOLOGY FOR COOPERATION TYPES IN MULTI-SECTOR COOPERATIVE COMMUNICATION - The current multi-base station cooperative communication technology could only provide one type of cooperative communication fixedly, and this results in that either the amount of data exchange between the base stations is huge and the latency is increased, or the optimum gain can not be obtained. To address this problem, the invention proposes a switching technology for collaboration type in multi-sector cooperative communication. The base station equipment dominating the sector determines one or more cooperating sectors of the mobile terminal, determines the type of the multi-sector cooperative communication provided cooperatively with said one or more cooperating sectors, based on information of said one or more cooperating sectors according to predefined rules, and cooperates with said one or more cooperating sectors and provides, for the mobile terminal, the multi-sector cooperative communication of the corresponding determined type. According to the invention, high speed exchange of the complete channel information and data are conducted between the same-cell sectors, and the cooperative gain is increased; none or few of data backhaul is conducted between the different-cell sectors, which results in decreased backhaul latency of the cooperating information, and increased throughput of the user at sector edge and system performance.08-25-2011
20110207494METHOD AND APPARATUS FOR MIMO-BASED MULTIPLE BASE STATION COLLABORATIVE COMMUNICATION - A solution for multiple base station collaborative communication in TDD (Time Division Duplex) and FDD (Frequency Division Duplex) systems is provided. To be specific, a serving base station and coordinating base station transmit detection signals with specific Multiple Input Multiple Output (MIMO) features on one or more communication resources. The mobile station measures the detection signals on the one or more communication resources and generates indication information of the recommended collaborative communication modes based on the measurement results. Preferably the indexes of the time-frequency resources corresponding to the recommended collaborative communication modes are reported to the serving base station. Then the serving base station schedules at least one of the one or more mobile stations according to the indication information reported by the one or more stations and provides MIMO communication manner for the mobile station scheduled. The coverage of the cells is improved, the cell edge user throughput is increased and the inter-cell interference between neighboring base stations is decreased by exploiting the invention. Preferably the amount of uplink feedback information is decreased and the uplink bandwidth is saved.08-25-2011
20110255625CODEBOOK-BASED MULTI-BASE STATION UNITE PRE-CODING METHOD, MOBILE TERMINAL, AND BASE STATION - The present invention provides a novel codebook-based multi-base station unite pre-coding scheme. In this invention, multiple cooperating base stations commonly transmit signals to a mobile terminal. The mobile terminal estimates a channel matrix of a unite MIMO channel from the multiple cooperating base stations, and selects the optimal pre-coding matrix index from the pre-coding matrix codebook based on the unite MIMO channel matrix and feeds it back to the multiple cooperating base stations. Each cooperating base station selects the optimal pre-coding matrix based on the received pre-coding matrix index and uses the corresponding portion of the pre-coding matrix to perform unite pre-coding on the data. Namely, the respective partial pre-coding matrixes as employed by all cooperating base stations together form the pre-coding matrix that is optimal to the mobile terminal, and the pre-coding matrix as used by respective cooperating base stations is a part of the optimal pre-coding matrix. By using the codebook-based multi-base station unite pre-coding scheme according to the present invention, the user performance is improved, the complexity of implementation is low, and the demand on network connecting the base stations is very low.10-20-2011
20120092046LOW POWER POWER-ON-RESET (POR) CIRCUIT - In one general aspect, an apparatus can include a first voltage detect circuit configured to produce an output signal at a first power supply voltage, and configured to be in a non-monitoring state at a second power supply voltage greater than the first power supply voltage. The apparatus can include a second voltage detect circuit configured to change from a non-monitoring state to a monitoring state and configured to produce an output signal at a third power supply voltage between the first power supply voltage and the second power supply voltage. The apparatus can also include a combination circuit configured to produce a power-on-reset signal based on a logical combination of the output signal produced by the first voltage detect circuit and the output signal produced by the second voltage detect circuit.04-19-2012
20120099470METHOD AND APPARATUS FOR CHANNEL STATE INFORMATION FEEDBACK - Embodiments of the present invention provide a method and apparatus for channel state information feedback. The method comprises: estimating channel state information from the mobile terminal to a serving cell and neighboring cells according to channel state information reference signals (CSI-Reference Signal) received from a plurality of coordinating cells; calculating a precoding matrix based on the estimated channel state information of the serving cell; calculating precoded channel state information respectively for the serving cell of the mobile terminal and neighboring cells in the coordinating cells according to the obtained precoding matrix; and feeding the precoded channel state information back to the serving cell of the mobile terminal. The above technical scheme can implement flexible and efficient channel status information feedback with low overhead, and enable multi-cell coordinated transmission to perform flexible and efficient precoding processing based on the feedback.04-26-2012

Patent applications by Dong Li, Shanghai CN

Dong Li, Palmerston North NZ

Patent application numberDescriptionPublished
20100209999PHAGE OMRU POLYNUCLEOTIDES AND POLYPEPTIDES AND USES THEREOF - The invention encompasses phage φmru including phage induction, phage particles, and the phage genome. Also encompassed are phage polypeptides, as well as polynucleotides which encode these polypeptides, expression vectors comprising these polynucleotides, and host cells comprising these vectors. The invention further encompasses compositions and methods for detecting, targeting, permeabilising, and inhibiting microbial cells, especially methanogen cells, using the disclosed phage, polypeptides, polynucleotides, expression vectors, or host cells.08-19-2010
20100221185VACCINES AND VACCINE COMPONENTS FOR INHIBITION OF MICROBIAL CELLS - The invention encompasses components from microbial cells which are useful for antibody production, including peptides, polypeptides comprising these peptides, polynucleotides which encode these peptides or polypeptides, and antibodies directed to these peptides, polypeptides, or polynucleotides. The invention also encompasses to expression vectors and host cells for producing these peptides, polypeptides, polynucleotides, and antibodies. The invention further encompasses methods and compositions, especially vaccine compositions, for detecting, targeting, and inhibiting microbial cells, especially methanogen cells, using one or more of the disclosed peptides, polypeptides, polynucleotides, antibodies, expression vectors, and host cells.09-02-2010

Dong Li, Beijing CN

Patent application numberDescriptionPublished
20080211777Stroke number input - Stroke number input may be provided. A first integer corresponding to a number of stokes in a logogram or corresponding to a radical associated with the logogram may be received. If the first integer corresponds to the radical, a second integer corresponding to the number of stokes in the logogram other than the radical may be received. Next, if the first integer corresponds to the number of stokes, a plurality of logograms may be displayed each having a number of strokes equal to the received first integer. If, however, the first integer corresponds to the radical associated with a logogram, the plurality of logograms may be displayed each having a radical corresponding to the received first integer and a number of strokes, other than the radical, equal to the received second integer. Then, a selection of a one of the plurality of logograms may be received.09-04-2008
20080215307Shared language model - A shared language model may be provided. First, a first input may be received. Then, in response to the first input, an input mode may be determined comprising one of the following: a pinyin input mode, a stroke order input mode, and a stroke number input mode. Then, data may be received based on the determined input mode. The received data may be converted using the determined input mode and using a language model. The language model may be configured to be used with each of the following input modes: the pinyin input mode, the stroke order input mode, and the stroke number input mode.09-04-2008
20080215308Integrated pinyin and stroke input - Integrated pinyin and stroke input may be provided. First, a first input may be received. Next, in response to the first input, an input mode may be determined. The input mode may comprise a pinyin input mode, a stroke order input mode, or a stroke number input mode. Once the input mode is determined, data may be received based on the determined input mode. Then the received data may be converted based upon the determined input mode.09-04-2008
20100088303MINING NEW WORDS FROM A QUERY LOG FOR INPUT METHOD EDITORS - Described is a technology in which new words (including a phrase or set of Chinese characters) are mined from a query log. The new words may be added to (or otherwise supplement) an IME dictionary. A set of candidate queries may be selected from the log based upon market (e.g., the Chinese market) and/or by language. From this set, various filtering steps are performed to locate only new words that are frequently in used. For example, only frequent queries are kept for further processing, which may include filtering out queries based on length (e.g., less than two or greater than eight Chinese characters), and/or filtering out queries based on too many stop-words in the query. Processing may also include filtering out a query that is a substring of a larger query, or Vice-versa. Also described is Pinyin-based clustering and filtering, and filtering out queries already handled in the dictionary.04-08-2010
20100093213ESATA CONNECTOR - An eSATA connector includes a connector plug and a mated connector receptacle. The connector plug includes a plug member, a plug metal housing, plug data terminals and a terminal holding part, in which the plug data terminals are held, and further includes plug power terminals held in the terminal holding part, wherein the plug power terminals and the data terminals each other electrically insulated.04-15-2010

Patent applications by Dong Li, Beijing CN

Dong Li, Singapore SG

Patent application numberDescriptionPublished
20100066337Novel Utilization of a Multifunctional Pin Combining Voltage Sensing and Zero Current Detection to Control a Switched-Mode Power Converter - An embodiment of the invention relates to a power converter including an inductor coupled in series with a power switch and a resistor coupled to a winding of the inductor. Input and output power converter voltages including an input brownout condition or an output overvoltage condition are estimated, and the output voltage may be regulated, by sensing a current in the resistor. An input current waveform can thereby be controlled to replicate substantially the input voltage waveform. The controller adjusts an on time and terminates an off time of the power switch by sensing respectively a current and a change of current in the resistor. The controller may sense a current flowing in the resistor to select a line voltage range of the input voltage to the power converter. The controller may estimate an input current to the power converter employing the current flowing in the resistor.03-18-2010

Dong Li, Cupertino, CA US

Patent application numberDescriptionPublished
20080225125Image feature identification and motion compensation apparatus, systems, and methods - Apparatus, systems, and methods disclosed herein may estimate the magnitude of relative motion between a scene and an image capture device used to capture the scene. Some embodiments may utilize discrete cosine transform and/or Sobel gradient techniques to identify one or more blocks of pixels in an originating calibration image frame. Matching blocks of pixels may be located in a successive calibration image frame. Motion vectors originating at one calibration frame and terminating at the other calibration frame may be calculated. The magnitude of relative motion derived thereby may be used to adjust image capture parameters associated with the image capture device, including exposure settings.09-18-2008
20080226184IMAGE FEATURE IDENTIFICATION AND MOTION COMPENSATION APPARATUS, SYSTEMS, AND METHODS - Apparatus, systems, and methods disclosed herein may estimate the magnitude of relative motion between a scene and an image capture device used to capture the scene. Some embodiments may utilize discrete cosine transform and/or Sobel gradient techniques to identify one or more blocks of pixels in an originating calibration image frame. Matching blocks of pixels may be located in a successive calibration image frame. Motion vectors originating at one calibration frame and terminating at the other calibration frame may be calculated. The magnitude of relative motion derived thereby may be used to adjust image capture parameters associated with the image capture device, including exposure settings.09-18-2008
20080226192IMAGE FEATURE IDENTIFICATION AND MOTION COMPENSATION APPARATUS, SYSTEMS, AND METHODS - Apparatus, systems, and methods disclosed herein may estimate the magnitude of relative motion between a scene and an image capture device used to capture the scene. Some embodiments may utilize discrete cosine transform and/or Sobel gradient techniques to identify one or more blocks of pixels in an originating calibration image frame. Matching blocks of pixels may be located in a successive calibration image frame. Motion vectors originating at one calibration frame and terminating at the other calibration frame may be calculated. The magnitude of relative motion derived thereby may be used to adjust image capture parameters associated with the image capture device, including exposure settings.09-18-2008
20090263035IMAGE NOISE LEVEL ESTIMATION FROM JPEG DATA - A system for estimating noise levels in a data stream includes a calculator for determining DC and AC values of DCT coefficients in coded data blocks, where the coded data blocks are within a strip of an image divided into multiple strips. A classifier is included for forming a plurality of luminance levels, based on the calculated DC values. A selector is included for selecting coded data blocks having minimum AC values, as computed by the calculator. At least two coded data blocks are selected for each of the luminance levels. After decoding, another calculator is used for determining a variance for each of the decoded data blocks corresponding to the selected coded data blocks in each strip. An order statistic filter is included for ordering the decoded data blocks in each strip based on the calculated variances. Another selector selects one of the decoded data blocks, for each of the luminance levels.10-22-2009
20090290029METHOD AND SYSTEM FOR MOTION ESTIMATION IN DIGITAL IMAGING APPLICATIONS - A method and system for estimating global motion in digital imaging applications with confidence level filtering. Motion search yields a plurality of vectors describing the movement of feature blocks from one frame to another. A confidence level is assigned to each motion vector. Based on the confidence levels, vectors are given more or less weight when estimating global motion. High-confidence vectors are given more weight than low-confidence vectors. Embodiments for estimating both the magnitude of global motion and the magnitude and direction of global motion are disclosed.11-26-2009

Dong Li, Shenzhen City CN

Patent application numberDescriptionPublished
20090166941CLAMP WITH DRIVING UNIT - An exemplary clamp includes a holder, a moving unit, a fixing arm, and a driving unit. The moving unit includes a push block, a connecting member, and a guiding member. The guiding member is fixed on the holder. The connecting member connects the push block and the guiding member. The push block includes a slanted side surface. The push block is guided to move by the guiding member. The slanted side surface of the push block interacts with the connecting member. The fixing arm is fixed to the connecting member. The driving unit is connected to the push block. The driving unit is capable of moving the push block of the moving unit.07-02-2009

Dong Li, Albuquerque, NM US

Patent application numberDescriptionPublished
20110127235SELF-ALIGNED SPATIAL FREQUENCY DOUBLING - In accordance with the invention, there are methods for self-aligned spatial frequency doubling in one dimension and also in two dimension. The method for self-aligned spatial frequency doubling in one dimension can include forming a film stack over a substrate, wherein the film stack comprises a photoresist layer and forming a one-dimensional periodic first pattern having a first pitch p on the photoresist layer using an optical exposure, wherein the first pitch p is at least smaller than twice the bandpass limit for optical exposures. The method can also include forming a second pattern using the first pattern by nonlinear processing steps, wherein the second pattern has a second pitch p06-02-2011

Dong Li, Bristol GB

Patent application numberDescriptionPublished
20110220006COMPOSITE LAMINATE STRUCTURE - A structure comprising a composite laminate having an edge; and an impact indicator which is carried by the edge and comprises a resin which fractures upon impact. The fracture provides permanent visible evidence of impact damage, for instance by cracking or by one or more pieces breaking off from the impact indicator. As well as providing such visible evidence of impact damage, the impact indicator may also provide an element of impact protection. Typically the impact indicator is formed from a resin which is more brittle and less strong than the material forming the composite laminate. For instance the material forming the composite laminate may be reinforced, and the resin forming the impact indicator may be un-reinforced.09-15-2011

Dong Li, Blacksburg, VA US

Patent application numberDescriptionPublished
20120081373ENERGY-AWARE TASK CONSOLIDATION ON GRAPHICS PROCESSING UNIT (GPU) - A method includes configuring a shared library, stored in a memory, to be loaded into applications to intercept graphics processing unit (GPU) computation requests for different types of workload kernals corresponding to the applications. The method further includes generating a power prediction and a performance prediction for at least one candidate kernel combination for execution on a GPU responsive to the GPU computations requests. The at least one candidate kernel combination pertains to at least two of the workload kernals. The method also includes rendering a decision of whether to execute the at least one candidate kernel combination or to execute the at least two of the workload kernals pertaining thereto separately, based on the power prediction and the performance prediction.04-05-2012

Dong Li, Pheonix, AZ US

Patent application numberDescriptionPublished
20120100308TERNARY METAL ALLOYS WITH TUNABLE STOICHIOMETRIES - Methods and equipment for forming ternary metal alloys are provided. In some embodiments, TaCN thin films are deposited by exposing a substrate to alternating pulses of an organometallic tantalum precursor comprising nitrogen and carbon and hydrogen plasma. The stoichiometry of the film is tuned from carbon rich to nitrogen rich by adjusting the plasma parameters, particularly the plasma power and duration. In this way, films with varied characteristics can be formed from the same precursor. For example, both n-type and p-type materials can be deposited in the same module using the same precursor.04-26-2012

Dong Li, Haidian District CN

Patent application numberDescriptionPublished
20120128544DEVICE MAKING PHOSPHORUS BY THERMAL PROCESS - The present invention discloses an apparatus for thermally refining phosphorus. The apparatus comprises: a melting furnace for melting rock phosphate into melts, including a feed port and a melt outlet; and a reduction-oxidation furnace including a furnace body which gas a melt inlet, a slag outlet, and a fume outlet, and a blow gun, wherein the melt inlet and the melt outlet are in communication with each other and wherein the blow gun has an end inserted into the furnace body. The content of impurities in fumes containing phosphorus pentaoxide is low, and the phosphorus pentaoxide can be easily extracted with a high purity of the phosphorus pentaoxide and at low cost by means of the apparatus for thermally refining phosphorus according to the present invention.05-24-2012