Patents by Inventor An-pang Tsai
An-pang Tsai 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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Patent number: 11967570Abstract: A semiconductor package includes a base comprising a top surface and a bottom surface that is opposite to the top surface; a first semiconductor chip mounted on the top surface of the base in a flip-chip manner; a second semiconductor chip stacked on the first semiconductor chip and electrically coupled to the base by wire bonding; an in-package heat dissipating element comprising a dummy silicon die adhered onto the second semiconductor chip by using a high-thermal conductive die attach film; and a molding compound encapsulating the first semiconductor die, the second semiconductor die, and the in-package heat dissipating element.Type: GrantFiled: March 4, 2022Date of Patent: April 23, 2024Assignee: MediaTek Inc.Inventors: Chia-Hao Hsu, Tai-Yu Chen, Shiann-Tsong Tsai, Hsing-Chih Liu, Yao-Pang Hsu, Chi-Yuan Chen, Chung-Fa Lee
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Publication number: 20240077657Abstract: An imaging lens assembly includes a first optical element and a low-reflection layer. The first optical element has a central opening, and includes a first surface, a second surface and a first outer diameter surface. The first outer diameter surface is connected to the first surface and the second surface. The low-reflection layer is located on at least one of the first surface and the second surface, and includes a carbon black layer, a nano-microstructure and a coating layer. The nano-microstructure is directly contacted with and connected to the carbon black layer, and the nano-microstructure is farther from the first optical element than the carbon black layer from the first optical element. The coating layer is directly contacted with and connected to the nano-microstructure, and the coating layer is farther from the first optical element than the nano-microstructure from the first optical element.Type: ApplicationFiled: November 13, 2023Publication date: March 7, 2024Inventors: Wen-Yu TSAI, Heng-Yi SU, Ming-Ta CHOU, Chien-Pang CHANG, Kuo-Chiang CHU
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Publication number: 20240077656Abstract: An imaging lens assembly includes a first optical element and a low-reflection layer. The first optical element has a central opening, and includes a first surface, a second surface and a first outer diameter surface. The first outer diameter surface is connected to the first surface and the second surface. The low-reflection layer is located on at least one of the first surface and the second surface, and includes a carbon black layer, a nano-microstructure and a coating layer. The nano-microstructure is directly contacted with and connected to the carbon black layer, and the nano-microstructure is farther from the first optical element than the carbon black layer from the first optical element. The coating layer is directly contacted with and connected to the nano-microstructure, and the coating layer is farther from the first optical element than the nano-microstructure from the first optical element.Type: ApplicationFiled: November 13, 2023Publication date: March 7, 2024Inventors: Wen-Yu TSAI, Heng-Yi SU, Ming-Ta CHOU, Chien-Pang CHANG, Kuo-Chiang CHU
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Patent number: 8753530Abstract: An aspect of the present invention relates to a method of preparing a magnetic particle, which comprises attaching a transition metal-containing organic compound to a surface of a hard magnetic particle and then thermally decomposing the transition metal-containing organic compound to obtain the magnetic particle.Type: GrantFiled: July 22, 2011Date of Patent: June 17, 2014Assignees: FUJIFILM Corporation, Tohoku UniversityInventors: Yasushi Hattori, An-Pang Tsai, Satoshi Kameoka
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Publication number: 20120018665Abstract: An aspect of the present invention relates to a method of preparing a magnetic particle, which comprises attaching a transition metal-containing organic compound to a surface of a hard magnetic particle and then thermally decomposing the transition metal-containing organic compound to obtain the magnetic particle.Type: ApplicationFiled: July 22, 2011Publication date: January 26, 2012Applicants: TOHOKU UNIVERSITY, FUJIFILM CORPORATIONInventors: Yasushi HATTORI, An-Pang TSAI, Satoshi KAMEOKA
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Publication number: 20110027588Abstract: An aspect of the present invention relates to magnetic powder comprised of gathering magnetic particles, wherein the magnetic particles comprise a hard magnetic particle and a soft magnetic material deposited on a surface of the hard magnetic particle in a state where the soft magnetic material is exchange-coupled with the hard magnetic particle.Type: ApplicationFiled: July 29, 2010Publication date: February 3, 2011Applicants: FUJIFILM Corporation, TOHOKU UNIVERSITYInventors: Yasushi Hattori, An-Pang Tsai, Satoshi Kameoka
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Publication number: 20110001938Abstract: An optical projection system includes a bottom cover, a foundation flat plate, at least one supporting element, a light source module, and an optical engine module. The bottom cover includes a bottom plate and two opposite side plates. The side plates are respectively connected with two ends of the bottom plate. The side plates and the bottom plate form an accommodating space. The foundation flat plate located between the side plates is disposed on the bottom plate. The foundation flat plate is apart from the side plates. The supporting element is disposed on the foundation flat plate. The light source module is disposed on the foundation flat plate. The optical engine module is disposed on the supporting element. The foundation flat plate, the supporting element, at least part of optical engine module, and at least part of the light source module are disposed in the accommodating space.Type: ApplicationFiled: June 17, 2010Publication date: January 6, 2011Inventor: Wen-Pang Tsai
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Publication number: 20090320967Abstract: A high strength magnesium alloy improving the high temperature strength while not using any expensive rare earth elements and thereby reducing the cost and its method of production are provided, that is, a high strength magnesium alloy of a composition of the formula Mg100?(a,b)ZnaXb wherein X is one or more elements selected from Zr, Ti, and Hf, a and b are the contents of Zn and X expressed by at %, and the following relationships (1), (2), and (3): (1) a/28?b?a/9, (2) 2<a<10, (3) 0.05<b<1.Type: ApplicationFiled: September 12, 2007Publication date: December 31, 2009Inventors: An Pang Tsai, Satoshi Ohhashi, Akira Kato
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Patent number: 7592292Abstract: A method of manufacturing a copper-based catalyst having high activity and superior heat resistance and a catalyst used for steam reforming of methanol has Al alloy particles each having an oxide surface layer containing fine copper oxide particles. The Al alloy particles are produced by leaching Al alloy particles with an aqueous solution. The Al alloy particles are prepared by pulverizing a bulky Al alloy having a quasicrystalline phase, the quasicrystalline phase being represented by the formula Al100-y-zCuyTMz (where y is 10 to 30 atomic percent, z is 5 to 20 atomic percent, and TM indicates at least one of transition metals other than Cu). In the catalyst, the oxide surface layer containing fine copper oxide particles is formed by adjusting leaching conditions so as to form an oxide surface layer, which contains dispersed fine Cu particles and which is composed of an Al oxide and a transition metal oxide, on the surface of each of the Al alloy particles.Type: GrantFiled: July 28, 2004Date of Patent: September 22, 2009Assignees: Japan Science Technology Agency, National Institute for Materials ScienceInventors: An-Pang Tsai, Satoshi Kameoka, Masami Terauchi
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Publication number: 20080058202Abstract: [Object] To provide a copper-based catalyst having high activity and superior heat resistance and durability and to provide a manufacturing method of the above catalyst which can be performed at a low cost by a process that is improved as simple as possible. [Solving Means] A catalyst used for steam reforming of methanol has Al alloy particles each having an oxide surface layer containing fine copper oxide particles, the Al alloy particles being produced by a process comprising the step of performing leaching treatment for Al alloy particles with an aqueous alkaline solution which are prepared by pulverizing a bulky Al alloy having a quasicrystalline phase or a related crystalline phase thereof, the quasicrystalline phase being represented by the formula: Al100-y-zCuyTMz (where y is in the range of 10 to 30 atomic percent, z is in the range of 5 to 20 atomic percent, and TM indicates at least one of transition metals other than Cu).Type: ApplicationFiled: July 28, 2004Publication date: March 6, 2008Applicants: JAPAN SCIENCE AND TECHNOLOGY AGENCY, NATIONAL INSTITUTE FOR MATERIALS SCIENCEInventors: An-Pang Tsai, Satoshi Kameoka, Masami Terauchi
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Publication number: 20070204936Abstract: A magnesium alloy containing 2.0 to 10 at. % zinc, 0.05 to 0.2 at. % zirconium, 0.2 to 1.50 at. % rare earth element, and the balance being magnesium and unavoidable impurities. The Mg—Zn-RE has improved strength, particularly high-temperature strength.Type: ApplicationFiled: September 21, 2005Publication date: September 6, 2007Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NATIONAL INSTITUTE FOR MATERIALS SCIENCEInventors: Akira Kato, An-Pang Tsai, Masaki Watanabe
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Patent number: 6589909Abstract: A method by which a highly active catalyst for the steam reforming of methanol is efficiently produced by a simple process. The catalyst is produced from alloy fine particles obtained by first grinding an Al alloy containing quasi-crystals consisting of aluminum, copper and at least one metal atom selected from Fe, Ru and Os, and then leaching the ground Al alloy.Type: GrantFiled: March 30, 2001Date of Patent: July 8, 2003Assignee: Japan as represented by Director General of Ministry of Education, Culture, Sports, Science and Technology National Research Institute for MetalsInventors: Masatoshi Yoshimura, Yuzuru Takahashi, An-pang Tsai
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Publication number: 20010049338Abstract: The present invention provides a method by which a highly active catalyst for the steam reforming of methanol is efficiently produced by a simple process. The catalyst is produced from alloy fine particles obtained by first grinding an Al alloy containing quasi-crystals consisting of aluminum, copper and at least one metal atom selected from Fe, Ru and Os, and then leaching the ground Al alloy.Type: ApplicationFiled: March 30, 2001Publication date: December 6, 2001Inventors: Masatoshi Yoshimura, Yuzuru Takahashi, An-pang Tsai