Patents by Inventor David Shih
David Shih has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240088234Abstract: A method for manufacturing a semiconductor structure is provided. The method may include several operations. A substrate is provided, received or formed, wherein the substrate includes an epitaxial structure in a fin structure of the substrate and a metal gate structure over the fin structure. An insulating layer covering the metal gate structure is formed. A semiconductive material layer is formed over the epitaxial structure and the insulating layer, wherein a first portion of the semiconductive material layer over the epitaxial structure comprises crystalline semiconductive material, and a second portion of the semiconductive material layer over the insulating layer comprises amorphous semiconductive material. The second portion of the semiconductive material layer is removed. A semiconductor structure thereof is also provided.Type: ApplicationFiled: January 13, 2023Publication date: March 14, 2024Inventors: CHANSYUN DAVID YANG, DING-KANG SHIH
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Patent number: 9172387Abstract: An analog input stage has m differential input channels, wherein m>1. The analog input stage is configured to select one of the m differential input channels and provide an output signal. The analog input stage has n identical selection units each having m differential channel inputs and one differential output, wherein n is at least 2m?1. Each selection unit is operable to be coupled to any of the differential input channels through respective differential multiplexer units, wherein the multiplexor units are driven to select one of the differential input channels and couple the selected differential channel input through a butterfly switch unit with the differential output of the selection unit. The differential output signals of the n selection units are combined whereby unwanted crosstalk from channels other than a selected channel are removed by cancellation.Type: GrantFiled: September 8, 2014Date of Patent: October 27, 2015Assignee: MICROCHIP TECHNOLOGY INCORPORATEDInventors: Daniel R. Meacham, Andrea Panigada, David Shih
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Publication number: 20150070197Abstract: An analog input stage has m differential input channels, wherein m>1. The analog input stage is configured to select one of the m differential input channels and provide an output signal. The analog input stage has n identical selection units each having m differential channel inputs and one differential output, wherein n is at least 2m?1. Each selection unit is operable to be coupled to any of the differential input channels through respective differential multiplexer units, wherein the multiplexor units are driven to select one of the differential input channels and couple the selected differential channel input through a butterfly switch unit with the differential output of the selection unit. The differential output signals of the n selection units are combined whereby unwanted crosstalk from channels other than a selected channel are removed by cancellation.Type: ApplicationFiled: September 8, 2014Publication date: March 12, 2015Inventors: Daniel R. Meacham, Andrea Panigada, David Shih
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Patent number: 8945916Abstract: A device and system for growing of a photosynthetic culture is provided which employs one or a plurality of vertically disposed photopanels having interior cavities configured for holding liquid and the photosynthetic culture such as algae. Interior surfaces are enhanced in size by projections defined by deformation in sidewalls of the photopanels. The projections communicate between the sidewalls also providing structural integrity to the photopanel and allowing for thinner sidewalls and increased light transmission therethrough. The system may employ a support rack and pivotal mount to each such photopanel to allow positioning adjacent to each other in rows. Pivoting during different lighting conditions afforded the racked photopanels provides a manner to reduce light blockage to individual photo panels from adjacent photopanels.Type: GrantFiled: June 15, 2011Date of Patent: February 3, 2015Inventor: David Shih-Wei Chou
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Publication number: 20130146741Abstract: A device and system for growing a photosynthetic culture is provided which employs one or a plurality of vertically disposed photopanels having interior cavities configured for holding liquid and the photosynthetic culture such as algae. The inner chamber of the photopanels may have a shape that is structurally supported by bridging elements. The bridging elements may be formed as stepped cones that may function as light guides to the interior chamber.Type: ApplicationFiled: December 14, 2012Publication date: June 13, 2013Inventor: David Shih-Wei Chou
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Publication number: 20130140425Abstract: A device and system for growing a photosynthetic culture is provided which employs one or a plurality of vertically disposed photopanels having an inner chamber configured for holding liquid and the photosynthetic culture such as algae. The inner chamber of the photopanels may have a shape that is defined as well as structurally supported by bridging elements. The photopanels with the bridging elements may be formed as stepped cones and pyramids utilizing common recyclable clear plastic sheets and membranes. The bridging elements also serve to increases the surface area to volume ratio of the inner chamber, expand the surface area exposed to light, alter the hydrodynamics within the photopanel as well as distribute light as light guides to facilitate homogenization of light exposure to individual cells. The bridging elements also have features that allow utilization of direct light beams with shallow grazing angles.Type: ApplicationFiled: February 1, 2013Publication date: June 6, 2013Inventor: David Shih-Wei Chou
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Publication number: 20120211211Abstract: A heat sink equipped with a vapor chamber includes a heat conduction plate and a vapor chamber. The heat conduction plate has one side formed integrally a plurality of radiation fins and another side with two lateral edges formed respectively and integrally a fastening portion. The two fastening portions are interposed by a recess to bond the vapor chamber. Each fastening portion is fastened to a printed circuit board through at least one screw to allow the vapor chamber to contact a heat generation element. The fastening portion is integrally formed at a desired thickness, thus has sufficient strength to withstand the fastening force of the screw to prevent tight sealing between the vapor chamber and heat generation element affected by deformation of the heat conduction plate. Thereby the vapor chamber can smoothly contact the heat generation element to rapidly transfer heat outside.Type: ApplicationFiled: February 17, 2011Publication date: August 23, 2012Inventor: David SHIH
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Publication number: 20120115217Abstract: A device and system for growing a photosynthetic culture is provided which employs one or a plurality of vertically disposed photopanels having interior cavities configured for holding liquid and the photosynthetic culture such as algae. The inner chamber of the photopanels may have a shape that is structurally supported by bridging elements. The bridging elements may be formed as stepped cones that may function as light guides to the interior chamber.Type: ApplicationFiled: December 15, 2011Publication date: May 10, 2012Inventor: David Shih-Wei Chou
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Publication number: 20120067550Abstract: A heat sink structure embedded with a heat pipe includes a heat dissipation seat, at least one heat pipe, a metal-filling adhesive and at least one covering sheet. The heat dissipation seat has a heat absorption surface and a heat dissipation surface. The heat absorption surface has at least one groove to hold the heat pipe and a bonding medium. The groove is covered by the covering sheet. The metal-filling adhesive is filled with the groove to bond the heat pipe and covering sheet through the bonding medium that can increase adhesion force. The covering sheet covers the heat pipe from being damaged during polishing the heat absorption surface to maintain sealing characteristic of the heat pipe. Therefore, the heat pipe can provide rapid heat conduction effect to meet use requirement.Type: ApplicationFiled: September 22, 2010Publication date: March 22, 2012Inventor: David SHIH
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Publication number: 20110306121Abstract: A device and system for growing of a photosynthetic culture is provided which employs one or a plurality of vertically disposed photopanels having interior cavities configured for holding liquid and the photosynthetic culture such as algae. Interior surfaces are enhanced in size by projections defined by deformation in sidewalls of the photopanels. The projections communicate between the sidewalls also providing structural integrity to the photopanel and allowing for thinner sidewalls and increased light transmission therethrough. The system may employ a support rack and pivotal mount to each such photopanel to allow positioning adjacent to each other in rows. Pivoting during different lighting conditions afforded the racked photopanels provides a manner to reduce light blockage to individual photo panels from adjacent photopanels.Type: ApplicationFiled: June 15, 2011Publication date: December 15, 2011Inventor: David Shih-Wei Chou M.D.
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Publication number: 20090160240Abstract: A one way wheel assembly of the present invention includes a first wheel, a second wheel, and a telescoping device pivotally connected to the first wheel and the second wheel respectively. The telescoping device provides a tolerance that first wheel may move toward the second wheel and touch it. So that, when the first wheel is moved along a direction, away from the second wheel, the first wheel will draw the second wheel through the telescoping device. On the contrary, when the first wheel is moved along an opposite direction, toward the second wheel, the first wheel will touch the second wheel and cause a jam to stop both of the wheels.Type: ApplicationFiled: October 14, 2008Publication date: June 25, 2009Applicant: B. Green Technology Co. Ltd.Inventors: Jason HUANG, David Shih
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Patent number: 7367957Abstract: A vibration training apparatus includes a base, a swinging link rod module and a driving mechanism. The swinging link rod module installed on the base has a driving mechanism for driving several swinging link rods for a link rod movement. An eccentric transmission shaft driven by a motor drives the swinging link rod module to produce a linear vibration during the swinging process, and matches with the rotation speed of the motor to drive a support stand to produce vertically up-and-down displacements with vibrations of different frequencies. An adjusting device can be installed between the swinging link rod module and the base for changing the swinging amplitude of the swinging link rod module, such that the driving mechanism can drive the swinging link rod module to linearly change the vibration amplitude and achieve a whole-body vibration effect to stimulate internal organs and improve muscle strengths and blood circulations.Type: GrantFiled: December 26, 2006Date of Patent: May 6, 2008Inventors: Cheng-Hsun Huang, Yu-Chu Chen, David Shih
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Publication number: 20070225622Abstract: A vibration training apparatus includes a base, a swinging link rod module and a driving mechanism. The swinging link rod module installed on the base has a driving mechanism for driving several swinging link rods for a link rod movement. An eccentric transmission shaft driven by a motor drives the swinging link rod module to produce a linear vibration during the swinging process, and matches with the rotation speed of the motor to drive a support stand to produce vertically up-and-down displacements with vibrations of different frequencies. An adjusting device can be installed between the swinging link rod module and the base for changing the swinging amplitude of the swinging link rod module, such that the driving mechanism can drive the swinging link rod module to linearly change the vibration amplitude and achieve a whole-body vibration effect to stimulate internal organs and improve muscle strengths and blood circulations.Type: ApplicationFiled: December 26, 2006Publication date: September 27, 2007Inventors: Cheng-Hsun Huang, Yu-Chu Chen, David Shih
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Publication number: 20070208282Abstract: A body shaking device includes a base with a driving unit received therein which drives two eccentric shafts. Each eccentric shaft is connected with a transmission unit which includes a first plate and a second plate which is located higher than the first plate. The two transmission units are pivotable at two respective pivotal points so that two ends of the two transmission units are moved up and down. A plurality of support members are connected to the transmission units and a case is mounted onto the base and supported by the support members. The user stands on the case which is moved up and down at different speeds so as to shank the user's body.Type: ApplicationFiled: July 24, 2006Publication date: September 6, 2007Inventors: Cheng-Hsun Huang, Yu-Chu Chen, David Shih
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Publication number: 20070207900Abstract: The balance training apparatus includes a baseboard and a left-and-right swing module is connected between the front and rear sides of the baseboard. The left-and-right swing module has a driving mechanism pivotally connected to a back-and-forth slide and swing module for driving a back-and-forth slide and swing module to produce back-and-forth slides and up-and-down swings with respect to the left-and-right swing module. A driving mechanism drives an eccentric shaft through a transmission disc, and another end of the spindle eccentric shaft is pivotally connected to a link board module of the base module. The motor drives the eccentric shaft to produce left and right titled swings to the left-and-right swing module baseboard. An adjusting device is installed between the baseboard of the left-and-right swing module and the back-and-forth slide and swing module for driving the back-and-forth slide and swing module to displace back and forth on the baseboard.Type: ApplicationFiled: December 26, 2006Publication date: September 6, 2007Inventors: Cheng-Hsun Huang, Yu-Chu Chen, David Shih
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Publication number: 20070166710Abstract: The present invention relates to methods for inhibiting adieogenesis and methods for treating obesity, metabolic syndrome and non-insulin dependent diabetes mellitus by administering an agent that increases Foxa-2 or Fxr, or an agent that activates Fxr. The invention is further related to methods for identifying agents that increase Foxa-2 or Fxr, or activate Fxr, and the use of such agents for treatment of obesity, metabolic syndrome and non-insulin dependent diabetes mellitus. Methods of identifying agents that mediate the phosphorylation of the transcription factor Foxa-2 are provided. Such agents are useful in methods of treating Type 2 diabetes.Type: ApplicationFiled: March 31, 2004Publication date: July 19, 2007Inventors: Markus Stoffel, Christian Wolfrum, David Shih, Satoru Kuwajima, Daniel Besser
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Publication number: 20070155587Abstract: An exerciser includes a resistance mechanism which includes a control unit so that the users can input pre-set programs via a panel to a Micro Control Unit (MCU) so as to drive a driving mechanism. The driving mechanism includes a motor, a reel and a cable reeves through the reel. The reel is driven by the motor so as to pull the cable by a desired force. A load detection device is connected between the cable and the control unit so as to detect the tension of the cable. When the load detection mechanism detects an unusual situation on the cable, the operation of the driving mechanism is stopped or slower to protect the users.Type: ApplicationFiled: February 27, 2006Publication date: July 5, 2007Inventors: Cheng-Hsun Huang, Yu-Chu Chen, David Shih
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Patent number: 7158386Abstract: A radio frequency power amplifier has first and second amplifier transistors. The first and second amplifier transistors have a common element thereof electrically interconnected with a common bus. A forked conductor having two legs thereof electrically connected to the common bus, each leg having a distal end proximate one of the first and second amplifier transistors. The common bus and the forked conductor are generally symmetric about an axis about which the first and second amplifier transistors are symmetrically disposed.Type: GrantFiled: May 8, 2003Date of Patent: January 2, 2007Assignees: Powerwave Technologies, Inc., Freescale Semiconductor, Inc.Inventors: Chuming David Shih, Ahmad Khanifar, Nikolai Maslennikov, Richard Sweeney
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Publication number: 20040222848Abstract: A radio frequency power amplifier has first and second amplifier transistors. The first and second amplifier transistors have a common element thereof electrically interconnected with a common bus. A forked conductor having two legs thereof electrically connected to the common bus, each leg having a distal end proximate one of the first and second amplifier transistors. The common bus and the forked conductor are generally symmetric about an axis about which the first and second amplifier transistors are symmetrically disposed.Type: ApplicationFiled: May 8, 2003Publication date: November 11, 2004Inventors: Chuming David Shih, Ahmad Khanifar, Nikolai Maslennikov, Richard Sweeney
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Patent number: 6492874Abstract: An active bias circuit 30 connected to a power amplifier PA maintains a power amplifier DC quiescent current at a fixed value over a wide temperature range. The active bias circuit 30 includes first and second current mirror circuits 32, 34. The power amplifier PA is an element of the second current mirror circuit 34. A temperature compensation circuit 42 is connected to the first current mirror circuit 32 for providing temperature compensation therewith. A first reference voltage source is connected to the first current mirror circuit 32 by way of the temperature compensation circuit 42 for providing a first reference voltage Vref to the first current mirror circuit 32. A current sink 36 is connected to a transistor of the first current mirror circuit 32 and a voltage source adjustment circuit 38 is connected to the first current mirror circuit 32 for setting a voltage provided to the first current mirror circuit 32.Type: GrantFiled: July 30, 2001Date of Patent: December 10, 2002Assignee: Motorola, Inc.Inventor: Chuming David Shih