Patents by Inventor Kai-Hsiang Chang
Kai-Hsiang 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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Patent number: 10876208Abstract: The present disclosure provides an apparatus for fabricating a semiconductor device, including a reaction chamber having a gas inlet for receiving a gas flow, a pedestal in the reaction chamber configured to support a substrate, and a first gas distribution plate (GDP) in the reaction chamber and between the gas inlet and the pedestal, wherein the first GDP is configured to include a plurality of concentric regions arranged along a radial direction, and a plurality of first holes arranged in the concentric regions of the first GDP, an open ratio of the first GDP in an outer concentric region is greater than that in an inner concentric region proximal to the outer concentric region to redistribute the gas flow.Type: GrantFiled: October 19, 2018Date of Patent: December 29, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Kai-Hsiang Chang, Keith Kuang-Kuo Koai
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Patent number: 10645837Abstract: The present disclosure describes a server computer system having a chassis, a carrier, and a pivot member configured to connect the carrier to the chassis. The pivot member further permits the carrier to rotate between a first position with a first carrier end within the chassis, and a second position with the first carrier end extending out of the chassis.Type: GrantFiled: December 20, 2018Date of Patent: May 5, 2020Assignee: QUANTA COMPUTER INC.Inventors: Yaw-Tzorng Tsorng, Chun Chang, Zhi-Hao Tseng, Kai-Hsiang Chang
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Patent number: 10468961Abstract: A power source control circuit is a hysteresis control circuit controlled by current mode. The power source control circuit includes a DC input power source, an input capacitor, a first switching element, a second switching element, an inductor, a current detector, a diode, a third switching element, a hysteresis current controller, and a load. The first end of the inductor is coupled to the second terminal of the first switching element and the first terminal of the second switching element. The second end of the inductor is coupled to the first terminal of the third switching element. The inductor outputs a pulse width modulated output current that is in the PWM mode and that flows into the load.Type: GrantFiled: August 23, 2018Date of Patent: November 5, 2019Assignee: MEANWELL (GUANGZHOU) ELECTRONICS CO., LTD.Inventor: Kai-Hsiang Chang
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Publication number: 20190311863Abstract: A key structure includes two key bodies and two elastic pieces. The two key bodies are disposed face to face. Each of the two key bodies has a base portion. Two opposite ends of the base portion extend sideward towards a same direction to form two extending portions spaced from each other. The two extending portions of one of the two key bodies face to the two extending portions of the other key body, respectively. Two opposite ends of each of the two elastic pieces are fastened in the two extending portions of the two key bodies respectively.Type: ApplicationFiled: April 4, 2018Publication date: October 10, 2019Inventors: ZHI-BIN DONG, FENG ZHU, KAI-HSIANG CHANG
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Publication number: 20190218665Abstract: The present disclosure provides an apparatus for fabricating a semiconductor device, including a reaction chamber having a gas inlet for receiving a gas flow, a pedestal in the reaction chamber configured to support a substrate, and a first gas distribution plate (GDP) in the reaction chamber and between the gas inlet and the pedestal, wherein the first GDP is configured to include a plurality of concentric regions arranged along a radial direction, and a plurality of first holes arranged in the concentric regions of the first GDP, an open ratio of the first GDP in an outer concentric region is greater than that in an inner concentric region proximal to the outer concentric region to redistribute the gas flow.Type: ApplicationFiled: October 19, 2018Publication date: July 18, 2019Inventors: KAI-HSIANG CHANG, KEITH KUANG-KUO KOAI
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Publication number: 20190162675Abstract: An apparatus for inspecting a wafer process chamber is disclosed. In one example, the apparatus includes: a sensor, a processor, and a lifetime predictor. The sensor captures information about at least one hardware part of the wafer process chamber. The processor processes the information to determine a hardware condition of the at least one hardware part. The lifetime predictor predicts an expected lifetime left for the at least one hardware part based on the hardware condition.Type: ApplicationFiled: February 23, 2018Publication date: May 30, 2019Inventors: Stanley SHIN, Kai-Hsiang Chang, S.C. Lin, Keith Kuang-Kuo Koai
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Patent number: 10096956Abstract: An electrical connector includes an insulating housing, a plurality of conductive terminals fastened to the insulating housing, and a shielding element surrounding the insulating housing. The insulating housing has at least one docking surface. Each of the plurality of the conductive terminals has an extending portion. A surface of the extending portion of each of the plurality of the conductive terminals forms an insulation layer. The shielding element has a base body. At least one portion of a front surface of the base body protrudes frontward to form at least one sealing board attached to a rear of the at least one docking surface. The insulation layer of the extending portion of each of the plurality of the conductive terminals is exposed to the at least one docking surface, and is adjacent to and projects beyond a front surface of the at least one sealing board.Type: GrantFiled: November 4, 2017Date of Patent: October 9, 2018Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Yun Wu, Chao-Yong Ye, Kai-Hsiang Chang
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Patent number: 9871137Abstract: The semiconductor device structures are provided. The semiconductor device structure includes a gate stack structure formed on a substrate and an isolation structure formed in the substrate. The semiconductor device structure further includes a source/drain stressor structure formed between the gate stack structure and the isolation structure and a metal silicide layer formed on the source/drain stressor structure. A portion of the metal silicide layer is below a top surface of the isolation structure.Type: GrantFiled: October 24, 2016Date of Patent: January 16, 2018Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Shin-Yeh Huang, Kai-Hsiang Chang, Chih-Chen Jiang, Yi-Wei Peng, Kuan-Yu Lin, Ming-Shan Tsai, Ching-Lun Lai
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Patent number: 9847614Abstract: A receptacle connector includes an insulating housing, a plurality of conductive terminals fastened to the insulating housing, and a shielding element surrounding the insulating housing. The insulating housing has at least one docking surface. A portion of the at least one docking surface protrudes outward to form a protruding portion. Front ends of the conductive terminals are exposed to a front of the at least one docking surface. At least one portion of a front surface of the base body protrudes frontward to form at least one sealing board. A front end of the at least one sealing board opens a locking groove. The at least one sealing board is attached to a substantial middle of the insulating housing. The protruding portion is received in the locking groove and seals up the front end of the at least one sealing board. The protruding portion helps to reduce metal chips from being produced during interconnection of the receptacle connector with a plug connector.Type: GrantFiled: December 14, 2016Date of Patent: December 19, 2017Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Yun Wu, Kai-Hsiang Chang
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Patent number: 9768535Abstract: A receptacle connector includes an insulating housing, a plurality of terminals fastened to the insulating housing, a clamping element and two pairs of reinforcing blocks. A middle of a front surface of the insulating housing is recessed inward to form an insertion space. Two opposite sides of the insulating housing define two clamping grooves. The clamping element has a fixing board fastened to the insulating housing. Two opposite sides of the fixing board are bent frontward to form two clamping arms. Tail ends of the two clamping arms are connected with two clamping portions. The two pairs of reinforcing blocks are fastened in top walls and bottom walls of the two clamping grooves, respectively.Type: GrantFiled: July 13, 2016Date of Patent: September 19, 2017Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Yun Wu, Chao-Yong Ye, Kai-Hsiang Chang
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Patent number: 9653841Abstract: A waterproof connector includes an insulating housing, a terminal assembly, a cover, a clamping part and a filler. The insulating housing has an inserting chamber, a mounting slot, a plurality of terminal grooves, an installing slot and a pair of clamping slots. The terminal assembly includes a plurality of terminals and a mounting lump molded outside the terminals. The mounting lump is mounted in the mounting slot of the insulating housing. The terminals are mounted in the terminal grooves of the insulating housing. The cover attaches on the bottom face of the insulating housing and the mounting lump. The clamping part is fixed in the installing slot of the insulating housing and tails of the clamping part project inward into the inserting chamber of the insulating housing. The filler is integratedly filled in the installing slot of the insulating housing. The waterproof connector greatly improves the waterproof effect.Type: GrantFiled: August 24, 2016Date of Patent: May 16, 2017Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Chao-Yong Ye, Kai-Hsiang Chang
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Patent number: 9608381Abstract: A receptacle connector assembly includes a plurality of receptacle connectors stacked up and down and fastened together. The receptacle connector includes a first terminal module, two second terminal modules, two middle shielding plates, two docking modules, and a shielding shell surrounding the first terminal module, the second terminal modules, the middle shielding plates and the docking modules. The first terminal module includes a first base block which has a first fastening portion. Two side surfaces of the first fastening portion protrude upward and outward to form two flanks. Each of the second terminal modules has a second base block. Each of the middle shielding plates is mounted between one of the flanks and the corresponding second base block. The two docking modules are mounted to the first terminal module, the two middle shielding plates and the two second terminal modules.Type: GrantFiled: August 30, 2015Date of Patent: March 28, 2017Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Cheng-Wang Yang, Kai-Hsiang Chang
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Publication number: 20170062990Abstract: A receptacle connector assembly includes a plurality of receptacle connectors stacked up and down and fastened together. The receptacle connector includes a first terminal module, two second terminal modules, two middle shielding plates, two docking modules, and a shielding shell surrounding the first terminal module, the second terminal modules, the middle shielding plates and the docking modules. The first terminal module includes a first base block which has a first fastening portion. Two side surfaces of the first fastening portion protrude upward and outward to form two flanks Each of the second terminal modules has a second base block. Each of the middle shielding plates is mounted between one of the flanks and the corresponding second base block. The two docking modules are mounted to the first terminal module, the two middle shielding plates and the two second terminal modules.Type: ApplicationFiled: August 30, 2015Publication date: March 2, 2017Inventors: CHENG-WANG YANG, KAI-HSIANG CHANG
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Publication number: 20170040451Abstract: The semiconductor device structures are provided. The semiconductor device structure includes a gate stack structure formed on a substrate and an isolation structure formed in the substrate. The semiconductor device structure further includes a source/drain stressor structure formed between the gate stack structure and the isolation structure and a metal silicide layer formed on the source/drain stressor structure. A portion of the metal silicide layer is below a top surface of the isolation structure.Type: ApplicationFiled: October 24, 2016Publication date: February 9, 2017Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO.,Inventors: Shin-Yeh HUANG, Kai-Hsiang CHANG, Chih-Chen JIANG, Yi-Wei PENG, Kuan-Yu LIN, Ming-Shan TSAI, Ching-Lun LAI
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Patent number: 9521475Abstract: An electronic device includes a housing having a top wall, and a microphone module mounted in the housing. The microphone module includes a mounting seat having two oppositely spaced-apart upright suspension surfaces extending transversely from the top wall. A buffer member includes a main body disposed between and spaced apart from the suspension surfaces, and two suspension bumps protruding from the main body toward and abutting respectively and tightly against the suspension surfaces. The main body has an inner portion defining an accommodating space. A microphone body is disposed in the accommodating space.Type: GrantFiled: September 22, 2014Date of Patent: December 13, 2016Assignee: Wistron CorporationInventors: Cheng-Hsuan Lin, Kai-Hsiang Chang
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Patent number: 9515412Abstract: A card connector includes a first housing, terminals and a second housing. The first housing has a base portion, a front surface of the base portion forms a protruded portion, a rear surface of the base portion forms an extending portion. A front surface of the protruded portion forms an inserting chamber extended to the extending portion. The rear surface of the base portion defines a fixing cavity located below the extending portion. Terminal grooves are defined in a top wall of the fixing cavity and a bottom surface of the extending portion and communicates with the inserting chamber and the fixing cavity. The terminals include first terminals and second terminals integratedly molded in the second housing. The second housing with the first terminals and the second terminals are fixed in the fixing cavity. The first terminals and the second terminals pass through the terminal grooves and extending into the inserting chamber.Type: GrantFiled: April 10, 2016Date of Patent: December 6, 2016Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Cheng-Wang Yang, Chao-Yong Ye, Kai-Hsiang Chang
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Patent number: 9478617Abstract: Methods for forming a semiconductor device structure are provided. The method includes providing a substrate and forming an isolation structure in the substrate. The method also includes forming a gate stack structure on the substrate and etching a portion of the substrate to form a recess in the substrate, and the recess is adjacent to the gate stack structure. The method includes forming a stressor layer in the recess, and a portion of the stressor layer is grown along the (311) and (111) crystal orientations.Type: GrantFiled: October 29, 2015Date of Patent: October 25, 2016Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Shin-Yeh Huang, Kai-Hsiang Chang, Chih-Chen Jiang, Yi-Wei Peng, Kuan-Yu Lin, Ming-Shan Tsai, Ching-Lun Lai
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Patent number: 9461380Abstract: A connector includes an insulating housing, a signal contact set, a ground contact and a fixing pin. A containing slot is formed on the insulating housing and the insulating housing has an engaging structure located inside the containing slot. The signal contact set is installed inside the insulating housing. The ground contact is installed inside the insulating housing and opposite to the signal contact set. The fixing pin is installed inside the insulating housing and located between the signal contact set and the ground contact. The fixing pin includes a main body, a latching portion and an embedding portion. The main body is installed inside the containing slot. The latching portion protrudes from the main body and is for latching the engaging structure. The embedding portion extends from the main body and is for embedding into a mating hole on a circuit board.Type: GrantFiled: August 31, 2015Date of Patent: October 4, 2016Assignee: Wistron CorporationInventors: Li-Chun Lu, Kai-Hsiang Chang
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Patent number: D771629Type: GrantFiled: November 18, 2015Date of Patent: November 15, 2016Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Cheng-Wang Yang, Chao-Yong Ye, Kai-Hsiang Chang
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Patent number: D780125Type: GrantFiled: May 15, 2015Date of Patent: February 28, 2017Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Cheng Wang Yang, Kai Hsiang Chang