Patents by Inventor Chi-Ming Chang
Chi-Ming Chang 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: 20240139935Abstract: A three-dimensional measuring device includes a ball-shaped structure, an X-axis measuring module, a Y-axis measuring module and a Z-axis measuring module. The ball-shaped structure is moved and/or rotated in response to a movement of a movable object. The X-axis measuring module includes a first measuring structure and a first position sensor. The first measuring structure is movable along an X-axis direction and contacted with the ball-shaped structure. The Y-axis measuring module includes a second measuring structure and a second position sensor. The second measuring structure is movable along a Y-axis direction and contacted with the ball-shaped structure. The Z-axis measuring module includes a third measuring structure and a third position sensor. The third measuring structure is movable along a Z-axis direction and contacted with the ball-shaped structure.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Inventors: Chi-Huan Shao, Chih-Ming Hsu, Chi-Shun Chang, Hung-Sheng Chang
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Patent number: 11974441Abstract: A 3D memory array in which epitaxial source/drain regions which are horizontally merged and vertically unmerged are used as source lines and bit lines and methods of forming the same are disclosed. In an embodiment, a memory array includes a first channel region over a semiconductor substrate; a first epitaxial region electrically coupled to the first channel region; a second epitaxial region directly over the first epitaxial region in a direction perpendicular to a major surface of the semiconductor substrate; a dielectric material between the first epitaxial region and the second epitaxial region, the second epitaxial region being isolated from the first epitaxial region by the dielectric material; a gate dielectric surrounding the first channel region; and a gate electrode surrounding the gate dielectric.Type: GrantFiled: December 30, 2020Date of Patent: April 30, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Bo-Feng Young, Sai-Hooi Yeong, Chih-Yu Chang, Chi On Chui, Yu-Ming Lin
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Publication number: 20240128364Abstract: A semiconductor device includes a fin structure, a metal gate stack, a barrier structure and an epitaxial source/drain region. The fin structure is over a substrate. The metal gate stack is across the fin structure. The barrier structure is on opposite sides of the metal gate stack. The barrier structure comprises one or more passivation layers and one or more barrier layers, and the one or more passivation layers have a material different from a material of the one or more barrier layers. The epitaxial source/drain region is over the barrier structure.Type: ApplicationFiled: March 27, 2023Publication date: April 18, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chun-Ming LUNG, Chung-Ting KO, Ting-Hsiang CHANG, Sung-En LIN, Chi On CHUI
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Patent number: 11955397Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate, a channel layer, a barrier layer, a compound semiconductor layer, a gate electrode, and a stack of dielectric layers. The channel layer is disposed on the substrate. The barrier layer is disposed on the channel layer. The compound semiconductor layer is disposed on the barrier layer. The gate electrode is disposed on the compound semiconductor layer. The stack of dielectric layers is disposed on the gate electrode. The stack of dielectric layers includes layers having different etching rates.Type: GrantFiled: November 9, 2020Date of Patent: April 9, 2024Assignee: Vanguard International Semiconductor CorporationInventors: Shin-Cheng Lin, Cheng-Wei Chou, Ting-En Hsieh, Yi-Han Huang, Kwang-Ming Lin, Yung-Fong Lin, Cheng-Tao Chou, Chi-Fu Lee, Chia-Lin Chen, Shu-Wen Chang
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Publication number: 20240113254Abstract: A semiconductor light emitting device includes a multi-quantum-well structure, a first capping layer, a second capping layer, and an electron barrier layer stacked in order. The multi-quantum-well structure includes a plurality of alternately-stacked potential barrier layers and potential well layers. The first capping layer is a semiconductor layer, and the second capping layer is a p-doped semiconductor layer. Each of the first and second capping layers has an aluminum mole fraction larger than that of each of the potential barrier layers, and the aluminum mole fraction of the first capping layer is larger than that of at least a portion of the electron barrier layer. A method for preparing the semiconductor light emitting device is also provided.Type: ApplicationFiled: December 15, 2023Publication date: April 4, 2024Inventors: Yung-Ling LAN, Chan-Chan LING, Chi-Ming TSAI, Chia-Hung CHANG
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Publication number: 20240113259Abstract: A light-emitting device includes a semiconductor epitaxial structure including a first semiconductor layer, an active layer, and a second semiconductor layer, and having holes; a first insulation layer disposed on the semiconductor epitaxial structure and having first and second grooves; a first pad electrically connected to the first semiconductor layer through the first grooves; and a second pad electrically connected to the second semiconductor layer through the second grooves. A projection of the first pad does not overlap projections of the holes. A projection of the second pad does not overlap the projections of the holes. The first pad includes a first pad connection portion and first pad extension portions; the second pad includes a second pad connection portion and second pad extension portions. Projections of the second grooves fall between projections of the first and second pad extension portions. Two other aspects of the light-emitting device are also provided.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Inventors: Xiushan ZHU, Qi JING, Yan LI, Xiaoliang LIU, Zhilong LU, Chunhsien LEE, Chi-Ming TSAI, Juchin TU, Chung-Ying CHANG
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Publication number: 20240113607Abstract: A resonant vibration actuator is provided, comprising: a casing, a mover, a plurality of electromagnet sets, two elastic suspensions, and a connecting circuit; the casing is provided with connection terminals for connection on the outside; the mover comprising: a mover frame, a plurality of permanent magnet units, two magnetic backs, the permanent magnet units and the magnetic backs being arranged in the mover frame; the electromagnet sets being arranged between two permanent magnet units of the mover; the elastic suspensions being connected to the casing and the mover respectively through two connection portions at both ends; the connecting circuit being used to connect the electromagnet set and the connection terminals outside the casing; wherein, by energizing the electromagnet set, the electromagnet acts on the permanent magnet unit to make the mover move relatively in the casing to generate vibration.Type: ApplicationFiled: November 16, 2022Publication date: April 4, 2024Inventors: Chin-Sung Liu, Hsiao-Ming Chien, Chi-Ling Chang, Shin-Ter Tsai
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Patent number: 11944412Abstract: A blood pressure detection device manufactured by a semiconductor process includes a substrate, a microelectromechanical element, a gas-pressure-sensing element, a driving-chip element, an encapsulation layer and a valve layer. The substrate includes inlet apertures. The microelectromechanical element and the gas-pressure-sensing element are stacked and integrally formed on the substrate. The encapsulation layer is encapsulated and positioned on the substrate. A flowing-channel space is formed above the microelectromechanical element and the gas-pressure-sensing element. The encapsulation layer includes an outlet aperture in communication with an airbag. The driving-chip element controls the microelectromechanical element, the gas-pressure-sensing element and valve units to transport gas.Type: GrantFiled: June 2, 2021Date of Patent: April 2, 2024Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Hao-Jan Mou, Ying-Lun Chang, Ching-Sung Lin, Chi-Feng Huang, Yung-Lung Han, Chang-Yen Tsai, Wei-Ming Lee, Chun-Yi Kuo, Tsung-I Lin
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Patent number: 9914173Abstract: A particle production apparatus including a generating device, a conveying device, and a straightening device is provided. The generating device includes a tank filled with a dense medium, an electric power source, a first and a second electrical conducting element received in the dense medium and coupled to an anode and a cathode of the electric power source respectively. The conveying device is configured to convey a metal wire into the tank and make the metal wire to contact the first electrical conducting element and the second electrical conducting element in a straight-line direction, so as to produce an electric explosion to form a plurality of particles in the dense medium.Type: GrantFiled: November 30, 2015Date of Patent: March 13, 2018Assignee: Metal Industries Research & Development CentreInventors: Tai-Hsin Hsu, Yin Chuang, Wen-Pin Chien, Chi-Ming Chang, Ho-Chung Fu, Chang-Pen Chen
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Publication number: 20170080499Abstract: A particle production apparatus including a generating device, a conveying device, and a straightening device is provided. The generating device includes a tank filled with a dense medium, an electric power source, a first and a second electrical conducting element received in the dense medium and coupled to an anode and a cathode of the electric power source respectively. The conveying device is configured to convey a metal wire into the tank and make the metal wire to contact the first electrical conducting element and the second electrical conducting element in a straight-line direction, so as to produce an electric explosion to form a plurality of particles in the dense medium.Type: ApplicationFiled: November 30, 2015Publication date: March 23, 2017Inventors: Tai-Hsin Hsu, Yin Chuang, Wen-Pin Chien, Chi-Ming Chang, Ho-Chung Fu, Chang-Pen Chen
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Publication number: 20120315475Abstract: The invention provides a heat-resistant anti-static adhesive film having at least includes a top film, a silane-treated release layer on an underlying substrate layer, and a pressure-sensitive adhesive layer coated over the release layer. The pressure-sensitive adhesive layer is obtained by adding a plasticizer, an ionic compound or an anti-static agent, a cross-linking agent and aliphatic or alicyclic multi-functional isocyanate into (meth)acrylate polymer of the reactive silane compound. The composition has a long working life (pot life) of up to 24 hours and anti-static capability. A pressure-sensitive patch or surface protective film containing the abovementioned composition in the form of sheets or strips is capable of standing high temperature of 150 for up to 3 hours without leaving glue residue.Type: ApplicationFiled: September 23, 2011Publication date: December 13, 2012Applicant: NAN YA PLASTICS CORPORATIONInventors: DEIN-RUN FUNG, CHI-MING CHANG, CHUN-CHE TSAO, SHIH-HSUN YEN
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Patent number: 8155043Abstract: A wireless communication system comprises a plurality of antennas, a plurality of tuners, a plurality of receiver ends, a bus, and a processor. Each of the tuners is connected to one of the antennas and one of the receiver ends. Each of the receiver ends has a corresponding address. A common address code is assigned to the corresponding addresses of part of receiver ends during firmware loading. The processor transmits the firmware to the part of the receiver ends via the bus based on the common address code. The corresponding addresses of the part of the receiver ends are converted back into unique address codes after the firmware is loaded.Type: GrantFiled: December 6, 2007Date of Patent: April 10, 2012Assignee: MediaTek Inc.Inventors: Chih-Peng Chang, Chi-Ming Chang
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Patent number: 7960731Abstract: A multi-layered complementary conductive line structure, a manufacturing method thereof and a manufacturing method of a TFT (thin film transistor) display array are provided. The process of TFT having multi-layered complementary conductive line structures does not need to increase the mask number in comparison with the currently process and is able to solve the resistance problem of the lines inside a display.Type: GrantFiled: October 11, 2007Date of Patent: June 14, 2011Assignee: Industrial Technology Research InstituteInventors: Yu-Cheng Chen, Chi-Lin Chen, Chi-Ming Chang
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Patent number: 7564313Abstract: A PLL system for generating an output signal according to a first reference signal is disclosed. The PLL system includes a clock generator to generate the output signal according to a phase difference between the first reference signal and the frequency-divided signal; and a phase-shift detector for detecting a position difference between the physical address and an updated logical address of the recording data to generate a phase adjusting signal. The PLL system also includes an adder for updating a detected logical address with a random value to output the updated logical address to the position difference detector; and a phase-controllable frequency divider for generating the frequency-divided signal and for receiving the phase adjusting signal to adjust the phase of the frequency-divided signal.Type: GrantFiled: March 12, 2007Date of Patent: July 21, 2009Assignee: Mediatek Inc.Inventors: Chin-Ling Hung, Hong-Ching Chen, Chi-Ming Chang
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Publication number: 20090147716Abstract: A wireless communication system comprises a plurality of antennas, a plurality of tuners, a plurality of receiver ends, a bus, and a processor. Each of the tuners is connected to one of the antennas and one of the receiver ends. Each of the receiver ends has a corresponding address. A common address code is assigned to the corresponding addresses of part of receiver ends during firmware loading. The processor transmits the firmware to the part of the receiver ends via the bus based on the common address code. The corresponding addresses of the part of the receiver ends are converted back into unique address codes after the firmware is loaded.Type: ApplicationFiled: December 6, 2007Publication date: June 11, 2009Applicant: MEDIATEK INC.Inventors: Chih-Peng Chang, Chi-Ming Chang
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Patent number: 7403466Abstract: A data slice signal generation method of an optical disk drive, which uses a disk including header areas and data areas of different materials, includes the following steps. First, a data slice signal is generated according to the RF signal read by the optical pickup head of the optical disk drive, and the data slice values, reflecting the central levels of the RF signal, of the data slice signal at the beginnings of the header area and data area are preset. Secondly, when the optical pickup head of the optical disk drive enters a header area or a data area, the data slice signal takes the preset data slice value of the header area or data area, respectively. Then, the data slice signal is adjusted to approach the central levels of the waves of the RF signal by one wave after another.Type: GrantFiled: June 14, 2007Date of Patent: July 22, 2008Assignee: Mediatek Inc.Inventors: Hao-Yung Wang, Chi-Ming Chang
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Publication number: 20080166549Abstract: The present invention provides a film for the protection of the surface of polarizer film. Said film surface has anti-static coated layer. The coating solution contains polythiophene, surfactant, binding resin and water. According to the present invention, said protection film on the surface on the polarizer film has the excellent anti-static, transmittance, anti-foul and water repellence. It is able to prevent the invasion of imbuing with dust, accumulative anti-static and water vapor from the processing of assembling and transportation so as to influence the quality of polarizer film.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Inventors: Sung-Yueh Shieh, Dein-Run Fung, Chi-Ming Chang, Chun-Che Tsao, Shih-Hsun Yen
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Publication number: 20080029902Abstract: A multi-layered complementary conductive line structure, a manufacturing method thereof and a manufacturing method of a TFT (thin film transistor) display array are provided. The process of TFT having multi-layered complementary conductive line structures does not need to increase the mask number in comparison with the currently process and is able to solve the resistance problem of the lines inside a display.Type: ApplicationFiled: October 11, 2007Publication date: February 7, 2008Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Cheng Chen, Chi-Lin Chen, Chi-Ming Chang
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Patent number: 7300811Abstract: A multi-layered complementary conductive line structure, a manufacturing method thereof and a manufacturing method of a TFT (thin film transistor) display array are provided. The process of TFT having multi-layered complementary conductive line structures does not need to increase the mask number in comparison with the currently process and is able to solve the resistance problem of the lines inside a display.Type: GrantFiled: November 8, 2005Date of Patent: November 27, 2007Assignee: Industrial Technology Research InstituteInventors: Yu-Cheng Chen, Chi-Lin Chen, Chi-Ming Chang
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Publication number: 20070237043Abstract: A data slice signal generation method of an optical disk drive, which uses a disk including header areas and data areas of different materials, includes the following steps. First, a data slice signal is generated according to the RF signal read by the optical pickup head of the optical disk drive, and the data slice values, reflecting the central levels of the RF signal, of the data slice signal at the beginnings of the header area and data area are preset. Secondly, when the optical pickup head of the optical disk drive enters a header area or a data area, the data slice signal takes the preset data slice value of the header area or data area, respectively. Then, the data slice signal is adjusted to approach the central levels of the waves of the RF signal by one wave after another.Type: ApplicationFiled: June 14, 2007Publication date: October 11, 2007Applicant: Mediatek Inc.Inventors: Hao-Yung Wang, Chi-Ming Chang