Park, Los Altos
Chang Man Park, Los Altos, CA US
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20120106006 | MAGNETIC SENSOR HAVING IMPROVED RESISTANCE TO THERMAL STRESS INDUCED INSTABILITY - A magnetic read sensor having improved robustness to withstand thermal variations resulting from thermal fly height heating. Improved thermal robustness comes as a result of improved pinned layer pinning. The read head includes an AFM layer having an increased thickness to provide a higher blocking temperature. The read head further includes a pinned layer structure that includes a first magnetic layer adjacent to and exchange coupled with the AFM layer. The first layer comprises a Co—Fe layer with an increased Fe content of 20-30 atomic percent. The pinned layer structure also includes a second magnetic layer that is antiparallel coupled with the AP | 05-03-2012 |
20140022839 | METHOD AND SYSTEM FOR PROVIDING MAGNETIC JUNCTIONS HAVING IMPROVED CHARACTERISTICS - A method and apparatus provide a magnetic memory including magnetic junctions on a substrate. The apparatus include an RIE chamber and an ion milling chamber. The chambers are coupled such that the magnetic memory is movable between the chambers without exposing the magnetic memory to ambient. The method provides magnetic junction layers and a hard mask layer on the magnetic junction layers. A hard mask is formed from the hard mask layer using an RIE. The magnetic junction layers are ion milled after the RIE and without exposing the magnetic memory to an ambient after the RIE. The ion milling defines at least part of each magnetic junction. A magnetic junction may be provided. The magnetic junction includes pinned, nonmagnetic spacer, and free layers. The free layer has a width of not more than twenty nanometers and is switchable when a write current is passed through the magnetic junction. | 01-23-2014 |
20140175582 | METHOD AND SYSTEM FOR PROVIDING MAGNETIC JUNCTIONS HAVING ENGINEERED PERPENDICULAR MAGNETIC ANISOTROPY - A method and system provide a magnetic junction usable in a magnetic device. The magnetic junction includes a reference layer, a nonmagnetic spacer layer, and a free layer. The nonmagnetic spacer layer is between the reference layer and the free layer. The free layer has an engineered perpendicular magnetic anisotropy. The engineered PMA includes at least one of an insulating insertion layer induced PMA, a stress induced PMA, PMA due to interface symmetry breaking, and a lattice mismatch induced PMA. The magnetic junction is configured such that the free layer is switchable between a plurality of stable magnetic states when a write current is passed through the magnetic junction. | 06-26-2014 |
Chul Hi Park, Los Altos, CA US
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20080275299 | ACTUATION DEVICE - An inflatable actuation device that advantageously utilizes fluid pressure to actuate a portion of the shaft of a flexible elongated instrument for performing medical and industrial procedure in a tortuous passage and method of use are described herein. The inflatable actuation device allows an operator to actively manipulate a portion of the elongated instrument shaft within the passage, which facilitate the insertion of the instrument, for example, a medical endoscope into the passage. The present inflatable actuation device comprises an annular bladder, which can be expanded and collapsed, with a lumen to receive the elongated instrument. The inflatable actuation device is activated by inflating the annular bladder with pressurizing fluid supplied from a pressurizing fluid supply controller outside the passage. | 11-06-2008 |
20090131752 | INFLATABLE ARTIFICIAL MUSCLE FOR ELONGATED INSTRUMENT - An inflatable artificial muscle for manipulating a flexible elongated instrument such as a medical endoscope that advantageously utilizes fluid pressure to facilitate insertion into a tortuous passage and maneuver of the instrument is described herein. The inflatable artificial muscle comprises a hollow cylinder-like bladder with a lumen or a plurality of such bladders joined end to end for receiving an elongated instrument. The bladder volume is divided into a plurality of chambers of varying configurations, which are in fluid communications with one another. There is provided a plurality of supply tubes for supplying and evacuating a pressurizing fluid to and from the bladder. The inflatable artificial muscle is activated by inflating the bladder with a pressurizing fluid to a predetermined internal pressure. The artificial muscle of the present invention is capable of straightening a portion of an elongated instrument in a bent configuration, which is enclosed within the lumen thereof. | 05-21-2009 |
David S. Park, Los Altos, CA US
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20140222908 | METHODS AND SYSTEMS FOR A LOCATION-BASED ONLINE SOCIAL NETWORK - Disclosed embodiments relate to a system and a method of managing an online social network having a plurality of neighborhoods. The system may receive a location from a user, and select, based on the location, a neighborhood from the plurality of neighborhoods. The system may further assign the user to the selected neighborhood and grant the user access to communications by users assigned to the selected neighborhood. | 08-07-2014 |
Edward J. Park, Los Altos, CA US
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20110289543 | VIDEO STREAMING SYSTEM INCLUDING A FAST CHANNEL CHANGE MECHANISM - A video streaming system including a fast channel change mechanism includes a digital video stream server that may generate and transmit a multicast video stream for each of a number of digital television channels. The system may include a digital television receiver that may receive the multicast video stream. The digital video stream server may transmit to the digital television receiver a unique unicast video stream for a selected channel in response to receiving a channel change request. The digital video stream server may further transmit as a first packet of the unicast video stream, a random access point that occurred prior to a first transmitted successive video content packet of the multicast video stream for the selected channel. The digital television receiver may receive and decode successive packets of video content of the unicast stream for the selected channel upon receiving the random access point. | 11-24-2011 |
Eun Ju Park, Los Altos, CA US
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20080300183 | Gastrointestinal proliferative factor and uses thereof - The invention relates to pharmaceutical compositions comprising gastrointestinal proliferative factor (GIPF) polynucleotides and polypeptides. The invention further relates to the therapeutic use of GIPF to prevent or treat conditions or disorders associated with the degeneration of the epithelial mucosa. | 12-04-2008 |
20100137210 | Gastrointestinal proliferative foctor and uses thereof - The invention relates to pharmaceutical compositions comprising gastrointestinal proliferative factor (GIPF) polynucleotides and polypeptides. The invention further relates to the therapeutic use of GIPF to prevent or treat conditions or disorders associated with the degeneration of the epithelial mucosa. | 06-03-2010 |
20110070599 | Method for Screening of Active Tuberculosis - The present invention provides an improved and simplified assay for use in diagnosing active Tuberculosis infections. The present assay is carried out using a sample of whole blood, does not require separating the blood into components, such as the isolation of peripheral blood mononucleocytes (PBMC), and is carried out using only cell-surface staining of T-cells. | 03-24-2011 |
Jongsoo Park, Los Altos, CA US
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20090118766 | Intervertebral Stabilization Devices - Posterior spinal stabilization devices that engage vertebral structures of at least two verterbrae and increase the stability between the two vertebrae. In some embodiments the stabilization devices engage laminae of at least two vertebrae. The devices can be adapted, however, to engage at least one of a variety of vertebral structures (e.g., spinous process, lamina, transverse process, etc.) of a plurality of vertebrae to decrease vertebral motion between at least two vertebrae. | 05-07-2009 |
Joonyoung Park, Los Altos, CA US
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20150163445 | USER INTERFACE TECHNIQUES FOR TELEVISION CHANNEL CHANGES - An improved user premises device enhances the channel change experience. In response to a channel-up or a channel-down command, a currently displayed program is re-sized to fit within a smaller program window. In the display area that is exposed due to the re-sizing of the currently displayed program, additional content such as an advertisement or channel change progress information is displayed. Additional program windows that render snapshots of content from one or more program up and one or more program down may be displayed in windows that are organized in a vertical alignment with the program window of the currently displayed program. The program windows are animated or scrolled in a direction to bring the program window of the user-desired next program in place of the program window of the currently displayed programmed. The program window of the next program is then resized to occupy the entire display. | 06-11-2015 |
Minyoung Park, Los Altos, CA US
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20140040848 | Controllable Turn-Around Time For Post Tape-Out Flow - A typical post-out flow data path at the IC Fabrication has following major components of software based processing—Boolean operations before the application of resolution enhancement techniques (RET) and optical proximity correctin (OPC), the RET and OPC step [etch retargeting, sub-resolution assist feature insertion (SRAF) and OPC], post-OPCRET Boolean operations and sometimes in the same flow simulation based verification. There are two objectives that an IC Fabrication tapeout flow manager wants to achieve with the flow—predictable completion time and fastest turn-around time (TAT). At times they may be competing. An alternative method of providing target turnaround time and managing the priority of jobs while not doing any upfront resource modeling and resource planning is disclosed. The methodology systematically either meets the turnaround time need and potentially lets the user know if it will not as soon as possible. | 02-06-2014 |
Seungjoon Park, Los Altos, CA US
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20090171647 | INTERCONNECT ARCHITECTURAL STATE COVERAGE MEASUREMENT METHODOLOGY - A method and apparatus for ensuring efficient validation coverage of an architecture, such as protocol or interconnect architecture, is herein described. A coverage space of states for an architecture is generated and stored in a database. During simulation, states of the coverage space encountered are marked. From this, the states encountered and not encountered may be determined. Based on the states not encountered, a targeted test suite is developed to target at least some of the states not encountered during previous simulation. This feedback loop from simulation to refining of a test suite based on states of a coverage space not encountered during simulation may be recursively repeated until adequate validation, i.e. an adequate confidence level of validation, of the coverage space is achieved. | 07-02-2009 |
20090254712 | ADAPTIVE CACHE ORGANIZATION FOR CHIP MULTIPROCESSORS - A method, chip multiprocessor tile, and a chip multiprocessor with amorphous caching are disclosed. An initial processing core | 10-08-2009 |
20090313435 | Optimizing concurrent accesses in a directory-based coherency protocol - In one embodiment, the present invention includes a directory to aid in maintaining control of a cache coherency protocol. The directory can be coupled to multiple caching agents via an interconnect, and be configured to store a entries associated with cache lines. The directory also includes logic to determine a time delay before the directory can send a concurrent snoop request. Other embodiments are described and claimed. | 12-17-2009 |
20100250861 | FAIRNESS MECHANISM FOR STARVATION PREVENTION IN DIRECTORY-BASED CACHE COHERENCE PROTOCOLS - Methods and apparatus relating to a fairness mechanism for starvation prevention in directory-based cache coherence protocols are described. In one embodiment, negatively-acknowledged (nack'ed) requests from a home agent may be tracked (e.g., using distributed linked-lists). In turn, the tracked requests may be served in a fair order. Other embodiments are also disclosed. | 09-30-2010 |
Sun-Uk Park, Los Altos, CA US
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20130022178 | DETECTION OF WIRING DEFECTS - A method for detecting a defect in wiring in a DSL system. The method includes collecting data including instantaneous values, a history of values, and/or parameters relating to a central office or customer premises equipment, analyzing a line for a wiring defect based on the collected data, and reporting whether or not a wiring defect was detected responsive to the analyzing step. | 01-24-2013 |