Patents by Inventor Chi-Cheng Chang
Chi-Cheng 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: 11973302Abstract: The present disclosure provides a method for aligning a master oscillator power amplifier (MOPA) system. The method includes ramping up a pumping power input into a laser amplifier chain of the MOPA system until the pumping power input reaches an operational pumping power input level; adjusting a seed laser power output of a seed laser of the MOPA system until the seed laser power output is at a first level below an operational seed laser power output level; and performing a first optical alignment process to the MOPA system while the pumping power input is at the operational pumping power input level, the seed laser power output is at the first level, and the MOPA system reaches a steady operational thermal state.Type: GrantFiled: February 20, 2023Date of Patent: April 30, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chun-Lin Louis Chang, Henry Tong Yee Shian, Alan Tu, Han-Lung Chang, Tzung-Chi Fu, Bo-Tsun Liu, Li-Jui Chen, Po-Chung Cheng
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Publication number: 20240136428Abstract: Improved inner spacers for semiconductor devices and methods of forming the same are disclosed.Type: ApplicationFiled: January 2, 2024Publication date: April 25, 2024Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu
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Publication number: 20240128375Abstract: A method includes forming first and second semiconductor fins and a gate structure over a substrate; forming a first and second source/drain epitaxy structures over the first and second semiconductor fins; forming an interlayer dielectric (ILD) layer over the first and second source/drain epitaxy structures; etching the gate structure and the ILD layer to form a trench; performing a first surface treatment to modify surfaces of a top portion and a bottom portion of the trench to NH-terminated; performing a second surface treatment to modify the surfaces of the top portion of the trench to N-terminated, while leaving the surfaces of the bottom portion of the trench being NH-terminated; and depositing a first dielectric layer in the trench, wherein the first dielectric layer has a higher deposition rate on the surfaces of the bottom portion of the trench than on the surfaces of the bottom portion of the trench.Type: ApplicationFiled: March 16, 2023Publication date: April 18, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chun-Yi CHANG, Yu Ying CHEN, Zhen-Cheng WU, 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: 20240102154Abstract: A vacuum processing apparatus (110) for deposition of a material on a substrate is provided. The vacuum processing apparatus (110) includes a vacuum chamber comprising a processing area (111); a deposition apparatus (112) within the processing area (111) of the vacuum chamber; a cooling surface (113) inside the vacuum chamber; and one or more movable shields (220) between the cooling surface (113) and the processing area (111).Type: ApplicationFiled: February 24, 2020Publication date: March 28, 2024Inventors: Chun Cheng CHEN, Hung-Wen CHANG, Shin-Hung LIN, Chi-Chang YANG, Christoph MUNDORF, Thomas GEBELE, Jürgen GRILLMAYER
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Patent number: 11940737Abstract: A method includes receiving a device design layout and a scribe line design layout surrounding the device design layout. The device design layout and the scribe line design layout are rotated in different directions. An optical proximity correction (OPC) process is performed on the rotated device design layout and the rotated scribe line design layout. A reticle includes the device design layout and the scribe line design layout is formed after performing the OPC process.Type: GrantFiled: May 7, 2021Date of Patent: March 26, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Hsueh-Yi Chung, Yung-Cheng Chen, Fei-Gwo Tsai, Chi-Hung Liao, Shih-Chi Fu, Wei-Ti Hsu, Jui-Ping Chuang, Tzong-Sheng Chang, Kuei-Shun Chen, Meng-Wei Chen
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Patent number: 11942329Abstract: A method for forming a semiconductor device is provided. The method includes forming a semiconductor protruding structure over a substrate and surrounding the semiconductor protruding structure with an insulating layer. The method also includes forming a dielectric layer over the insulating layer. The method further includes partially removing the dielectric layer and insulating layer using a planarization process. As a result, topmost surfaces of the semiconductor protruding structure, the insulating layer, and the dielectric layer are substantially level with each other. In addition, the method includes forming a protective layer to cover the topmost surfaces of the dielectric layer. The method includes recessing the insulating layer after the protective layer is formed such that the semiconductor protruding structure and a portion of the dielectric layer protrude from a top surface of a remaining portion of the insulating layer.Type: GrantFiled: March 3, 2022Date of Patent: March 26, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wan-Yi Kao, Che-Hao Chang, Yung-Cheng Lu, Chi On Chui
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Patent number: 11942652Abstract: The disclosure provides a limit device and a robot using the same. The limit device comprises a first connecting member, a transmission rod and a second connecting member. The first connecting member comprising a first main body portion and two first connecting elements. The two first connecting elements are arranged at intervals. The two first connecting elements are respectively connected to the first main body. The transmission rod comprising a first end and a second end. The first end and the second end are arranged at intervals. The first end penetrates through one of the two first connecting elements. The second end penetrates through the other one of the two first connecting element. The second connecting member provided with two indexing buckles. The two indexing buckles are arranged at intervals, each of the indexing buckles comprises a first limiting groove and a second limiting groove.Type: GrantFiled: April 13, 2022Date of Patent: March 26, 2024Assignees: Futaijing Precision Electronics (Yantai) Co., Ltd., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chen-Ting Kao, Chi-Cheng Wen, Yu-Sheng Chang, Chih-Cheng Lee, Chiung-Hsiang Wu, Sheng-Li Yen, Yu-Cheng Zhang, Chang-Ju Hsieh, Chen Chao
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Patent number: 11923432Abstract: A method of manufacturing a semiconductor device includes forming a multi-layer stack of alternating first layers of a first semiconductor material and second layers of a second semiconductor material on a semiconductor substrate, forming a first recess through the multi-layer stack, and laterally recessing sidewalls of the second layers of the multi-layer stack. The sidewalls are adjacent to the first recess. The method further includes forming inner spacers with respective seams adjacent to the recessed second layers of the multi-layer stack and performing an anneal treatment on the inner spacers to close the respective seams.Type: GrantFiled: January 3, 2023Date of Patent: March 5, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yoh-Rong Liu, Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu, Li-Chi Yu, Sen-Hong Syue
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Patent number: 11916132Abstract: Semiconductor devices and methods of manufacturing are presented in which inner spacers for nanostructures are manufactured. In embodiments a dielectric material is deposited for the inner spacer and then treated. The treatment may add material and cause an expansion in volume in order to close any seams that can interfere with subsequent processes.Type: GrantFiled: June 30, 2022Date of Patent: February 27, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Wan-Yi Kao, Hung Cheng Lin, Che-Hao Chang, Yung-Cheng Lu, Chi On Chui
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Patent number: 11084180Abstract: A cutting blade has two ends and two sides and includes a mounting hole mounted on a front housing of a brush cutter; a convex member on a central portion of either side and having two notches at two ends respectively and an intermediate, curved cutting edge; and two cutting edges on either side with the convex member disposed between, each cutting edge having a first end terminated at the notch and a second end terminated at either end. Two cutting edges of different sides with the mounting hole disposed between comprise a plurality of groups of an outward inclined cutting member and a cavity. The other two cutting edges of different sides with the mounting hole disposed between comprise a plurality of groups of an inward inclined cutting member and a recess.Type: GrantFiled: April 16, 2020Date of Patent: August 10, 2021Inventor: Chi-Cheng Chang
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Publication number: 20210069925Abstract: A cutting blade has two ends and two sides and includes a mounting hole mounted on a front housing of a brush cutter; a convex member on a central portion of either side and having two notches at two ends respectively and an intermediate, curved cutting edge; and two cutting edges on either side with the convex member disposed between, each cutting edge having a first end terminated at the notch and a second end terminated at either end. Two cutting edges of different sides with the mounting hole disposed between comprise a plurality of groups of an outward inclined cutting member and a cavity. The other two cutting edges of different sides with the mounting hole disposed between comprise a plurality of groups of an inward inclined cutting member and a recess.Type: ApplicationFiled: April 16, 2020Publication date: March 11, 2021Inventor: Chi-Cheng Chang
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Publication number: 20170325401Abstract: A rectangular blade of a string trimmer is provided. The rectangular blade includes two straight cutting edges, each straight cutting edge including a plurality of cuts which can be either V-shaped or U-shaped. In other embodiments, the blade has a shape different from the rectangle.Type: ApplicationFiled: July 31, 2017Publication date: November 16, 2017Inventor: Chi-Cheng Chang
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Publication number: 20160296743Abstract: An electrical treatment probe for caval sphincter includes: a head portion with a probe-head internal connecting tube connected to the rear of the head portion; a middle portion including a hollow middle-section tube with a first internal connecting tube and a second internal connecting tube disposed at the front and rear of the middle-section tube respectively; a tail portion including a hollow probe-tail tube with a probe-tail internal connecting tube disposed at the front of the probe-tail tube; two conductive rings sheathed on the probe-head internal connecting tube and the first internal connecting tube, and the second internal connecting tube and the probe-tail internal connecting tube respectively; a conductive wire module including first and second conductive wires which are pressed by the conductive rings to produce a contacting and positioning effect. Thus, an electrical treatment probe casing is formed by the aforementioned elements and filled with a filler.Type: ApplicationFiled: September 28, 2015Publication date: October 13, 2016Inventor: CHI-CHENG CHANG
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Patent number: 8749611Abstract: A video conference system built in an internet protocol (IP) network is provided. The system has: a multimedia capturing unit configured to photograph and output a first video signal; a DECT telephone configured to receive sounds and output a first audio signal; and a video conference terminal apparatus, including: an audio processing unit is an audio codec; a video processing unit is an video codec; and a network processing unit for transmitting a first network packet consisting of first audio/video streams generated by the audio/video processing units to the IP network, wherein the network processing unit receives a second network packet consisting of second audio/video streams from the IP network, wherein the second audio/video streams are decoded by the audio/video processing units, respectively, to generate second audio/video signals, which are displayed on the DECT telephone and a display apparatus, respectively.Type: GrantFiled: April 27, 2012Date of Patent: June 10, 2014Assignee: Quanta Computer Inc.Inventors: Barry Lam, Chia-Yuan Chang, Rong-Quen Chen, Chi-Cheng Chang, Huan-Tang Wu, Chih-Wei Sung, I-Chung Chien, Chih-Yin Lin, Ting-Han Huang, Juin-Yi Huang, Hsin-Lun Hsieh, Chao-Chueh Chang, Kang-Wen Lin, Chia-Yi Wu
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Patent number: 8471134Abstract: The bass drum pedal assembly includes a first connector, mounted on a shaft driven by a drum pedal; a second connector, engaging with the first connector, and coupled to a universal joint which links a connecting rod; and a positioning mechanism, comprising a central positioning member, an elastic member and a pin. The elastic member is put around the central positioning member to make the central positioning member elastically slidably disposed in a central hole of the first connector. The pin is inserted into a through hole at a lateral side of the first connector to press the central positioning member and the elastic member so that the central positioning member is elastically inserted in central holes of the first connector and the second connector.Type: GrantFiled: January 4, 2012Date of Patent: June 25, 2013Inventor: Chi-Cheng Chang
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Publication number: 20130106978Abstract: A video conference system built in an internet protocol (IP) network is provided. The system has: a multimedia capturing unit configured to photograph and output a first video signal; a DECT telephone configured to receive sounds and output a first audio signal; and a video conference terminal apparatus, including: an audio processing unit is an audio codec; a video processing unit is an video codec; and a network processing unit for transmitting a first network packet consisting of first audio/video streams generated by the audio/video processing units to the IP network, wherein the network processing unit receives a second network packet consisting of second audio/video streams from the IP network, wherein the second audio/video streams are decoded by the audio/video processing units, respectively, to generate second audio/video signals, which are displayed on the DECT telephone and a display apparatus, respectively.Type: ApplicationFiled: April 27, 2012Publication date: May 2, 2013Applicant: QUANTA COMPUTER INC.Inventors: Barry LAM, Chia-Yuan CHANG, Rong-Quen CHEN, Chi-Cheng CHANG, Huan-Tang WU, Chih-Wei SUNG, I-Chung CHIEN, Chih-Yin LIN, Ting-Han HUANG, Juin-Yi HUANG, Hsin-Lun HSIEH, Chao-Chueh CHANG, Kang-Wen LIN, Chiayi WU
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Publication number: 20130087035Abstract: The bass drum pedal assembly includes a first connector, mounted on a shaft driven by a drum pedal; a second connector, engaging with the first connector, and coupled to a universal joint which links a connecting rod; and a positioning mechanism, comprising a central positioning member, an elastic member and a pin. The elastic member is put around the central positioning member to make the central positioning member elastically slidably disposed in a central hole of the first connector. The pin is inserted into a through hole at a lateral side of the first connector to press the central positioning member and the elastic member so that the central positioning member is elastically inserted in central holes of the first connector and the second connector.Type: ApplicationFiled: January 4, 2012Publication date: April 11, 2013Inventor: CHI-CHENG CHANG
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Patent number: D983841Type: GrantFiled: June 23, 2021Date of Patent: April 18, 2023Inventor: Chi-Cheng Chang
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Patent number: D990523Type: GrantFiled: June 23, 2021Date of Patent: June 27, 2023Inventor: Chi-Cheng Chang