Patents by Inventor Shih-Chun Tsai
Shih-Chun 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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Publication number: 20250130368Abstract: A silicon photonic platform includes a composite substrate with a first photonic platform layer which includes a photonic platform material. A first signal layer covers the first photonic platform layer, has a top surface, and includes the photonic platform material and a first signal material. A photonic platform spectral signal is different from the first signal material spectral signal. The second photonic platform layer has a top surface, covers at least a portion of the top surface of the first signal, and includes the photonic platform material. The second photonic platform layer includes at least one ridge structure, and forms a silicon photonic platform together with the first photonic platform layer.Type: ApplicationFiled: October 20, 2023Publication date: April 24, 2025Applicant: Vanguard International Semiconductor CorporationInventors: Ming-Cheng Lo, Shih-Chang Huang, Jui-Chun Chang, Wu-Hsi Lu, Yu-Che Tsai, Shih-Hao Liu, Yen-Shih Ho
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Publication number: 20250118402Abstract: A generation method and generation apparatus of a medical report are provided. In the method, the writing style is analyzed from multiple historical texts, where the writing style includes multiple common words in the historical text and the contextual relationships that connect those common words; the medical data is converted into draft text that conforms to the template text, where the template text is a report that conforms to a preset style; and by using the draft text and writing style as input data of the language model, an output report that conforms to the writing style is generated, where the language model selects sentences that conform to the writing style.Type: ApplicationFiled: October 25, 2023Publication date: April 10, 2025Applicant: Wistron Medical Technology CorporationInventors: Han Chun Kuo, Shih Feng Huang, Chih Yi Chien, Chun Chun Tsai, Shao Wei Wu, Yu Fen Lin
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Publication number: 20250098219Abstract: A device includes: a substrate having a semiconductor fin; a stack of semiconductor channels on the substrate and positioned over the fin; a gate structure wrapping around the semiconductor channels; a source/drain abutting the semiconductor channels; an inner spacer positioned between the stack of semiconductor channels and the fin; an undoped semiconductor layer vertically adjacent the source/drain and laterally adjacent the fin; and an isolation structure that laterally surrounds the undoped semiconductor layer, the isolation structure being between the source/drain and the inner spacer.Type: ApplicationFiled: February 15, 2024Publication date: March 20, 2025Inventors: Jung-Hung CHANG, Shih-Cheng CHEN, Tsung-Han CHUANG, Fu-Cheng CHANG, Wen-Ting LAN, Chia-Cheng TSAI, Kuo-Cheng CHIANG, Chih-Hao WANG, Wang-Chun Huang, Shi-Syuan Huang
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Publication number: 20250089400Abstract: A semiconductor device, including a base and a semiconductor stack. The semiconductor stack includes a first semiconductor structure located on the base, a second semiconductor structure located on the first semiconductor structure, and an active structure located between the first semiconductor structure and the second semiconductor structure. The active structure includes two confinement layers and a well layer located between the two confinement layers. One of the confinement layers includes Alx1Ga1-x1As, and x1 is equal to or larger than 0.25 and equal to or smaller than 0.4. The well layer includes Inx2Ga1-x2As, and x2 is equal to or larger than 0.25 and equal to or smaller than 0.3. The one of the confinement layers and the well layer respectively have a first thickness in a range of 200 nm to 400 nm and a second thickness in a range of 3 nm to 6 nm.Type: ApplicationFiled: September 8, 2023Publication date: March 13, 2025Inventors: Hao-Chun LIANG, Yi-Shan TSAI, Wei-Shan YEOH, Yao-Ning CHAN, Hsuan-Le LIN, Jiong-Chaso SU, Shih-Chang LEE, Chang-Da TSAI
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Publication number: 20250079237Abstract: A metal interconnect structure includes a first metal interconnection in an inter-metal dielectric (IMD) layer on a substrate, a second metal interconnection on the first metal interconnection, and a cap layer between the first metal interconnection and the second metal interconnection. Preferably, a top surface of the first metal interconnection is even with a top surface of the IMD layer and the cap layer is made of conductive material.Type: ApplicationFiled: November 18, 2024Publication date: March 6, 2025Applicant: UNITED MICROELECTRONICS CORP.Inventors: Yi-How Chou, Tzu-Hao Fu, Tsung-Yin Hsieh, Chih-Sheng Chang, Shih-Chun Tsai, Kun-Chen Ho, Yang-Chou Lin
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Publication number: 20250076580Abstract: A photonic integrated circuit structure includes a semiconductor substrate. A waveguide is disposed above the semiconductor substrate and has an inclined plane. A mirror coating layer is conformally disposed on the inclined plane. A cladding layer covers the waveguide and the mirror coating layer. A hole is disposed in the semiconductor substrate or the cladding layer, and the hole overlaps the inclined plane in a vertical direction. In addition, an optical fiber is disposed in the hole to receive a reflected light from the mirror coating layer.Type: ApplicationFiled: August 31, 2023Publication date: March 6, 2025Applicant: Vanguard International Semiconductor CorporationInventors: Ming-Cheng Lo, Jui-Chun Chang, Shih-Chang Huang, Wu-Hsi Lu, Yu-Che Tsai, Shih-Hao Liu, Yen-Shih Ho
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Publication number: 20250070085Abstract: A method includes: forming first bond pads along a wafer; bonding a first die to a first set of the first bond pads, the first die being electrically connected to the wafer; depositing a gap-fill dielectric over the wafer and around the first die; forming openings in the gap-fill dielectric; forming first active through vias in physical contact with the second set of the first bond pads and first dummy through vias in physical contact with the third set of the first bond pads, the first active through vias being electrically connected to the wafer, the first dummy through vias being electrically isolated from the wafer; forming second bond pads along the first die, the first active through vias, and the first dummy through vias; and bonding a second die to the first die and to a first active via of the first active through vias.Type: ApplicationFiled: January 2, 2024Publication date: February 27, 2025Inventors: Tsang-Jiuh Wu, Shih-Che Lin, Cheng-Chun Tsai, Ping-Jung Wu, Hao-Wen Ko
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Publication number: 20250056872Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes a substrate, an active region on the substrate, and a gate structure, a source conductor, and a drain conductor disposed on the active region. The semiconductor device further comprises a first type doped region of the active region below the gate structure and a second type doped region of the active region adjacent to the first type doped region, and the first type doped region is different from the second type doped region. The second type doped region is configured to function as a resistor.Type: ApplicationFiled: August 11, 2023Publication date: February 13, 2025Inventors: WAN-LIN TSAI, KAI-QIANG WEN, I-SHENG CHEN, YI-JING LI, SHIH-CHUN FU, CLEMENT HSINGJEN WANN
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Publication number: 20250052966Abstract: A method of forming a semiconductor package is provided. The method includes forming a micro lens recessed from the top surface of a substrate. A concave area is formed between the surface of the micro lens and the top surface of the substrate. The method includes depositing a first dielectric material that fills a portion of the concave area using a spin coating process. The method includes depositing a second dielectric material that fills the remainder of the concave area and covers the top surface of the substrate using a chemical vapor deposition process. The method includes planarizing the second dielectric material. The method includes forming a bonding layer on the planarized second dielectric material and over the top surface of the substrate. The method includes bonding a semiconductor wafer to the substrate via the bonding layer.Type: ApplicationFiled: August 10, 2023Publication date: February 13, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Yi HUANG, Yu-Hao KUO, Chiao-Chun CHANG, Jui-Hsuan TSAI, Yu-Hung LIN, Shih-Peng TAI, Jih-Churng TWU, Chen-Hua YU
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Patent number: 12183626Abstract: A metal interconnect structure includes a first metal interconnection in an inter-metal dielectric (IMD) layer on a substrate, a second metal interconnection on the first metal interconnection, and a cap layer between the first metal interconnection and the second metal interconnection. Preferably, a top surface of the first metal interconnection is even with a top surface of the IMD layer and the cap layer is made of conductive material.Type: GrantFiled: August 9, 2022Date of Patent: December 31, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Yi-How Chou, Tzu-Hao Fu, Tsung-Yin Hsieh, Chih-Sheng Chang, Shih-Chun Tsai, Kun-Chen Ho, Yang-Chou Lin
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Publication number: 20220384254Abstract: A metal interconnect structure includes a first metal interconnection in an inter-metal dielectric (IMD) layer on a substrate, a second metal interconnection on the first metal interconnection, and a cap layer between the first metal interconnection and the second metal interconnection. Preferably, a top surface of the first metal interconnection is even with a top surface of the IMD layer and the cap layer is made of conductive material.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Yi-How Chou, Tzu-Hao Fu, Tsung-Yin Hsieh, Chih-Sheng Chang, Shih-Chun Tsai, Kun-Chen Ho, Yang-Chou Lin
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Patent number: 11450558Abstract: A method for fabricating metal interconnect structure includes the steps of: forming a first metal interconnection in a first inter-metal dielectric (IMD) layer on a substrate; forming a cap layer on the first metal interconnection; forming a second IMD layer on the cap layer; performing a first etching process to remove part of the second IMD layer for forming an opening; performing a plasma treatment process; and performing a second etching process to remove polymers from bottom of the opening.Type: GrantFiled: August 12, 2020Date of Patent: September 20, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Yi-How Chou, Tzu-Hao Fu, Tsung-Yin Hsieh, Chih-Sheng Chang, Shih-Chun Tsai, Kun-Chen Ho, Yang-Chou Lin
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Publication number: 20200373198Abstract: A method for fabricating metal interconnect structure includes the steps of: forming a first metal interconnection in a first inter-metal dielectric (IMD) layer on a substrate; forming a cap layer on the first metal interconnection; forming a second IMD layer on the cap layer; performing a first etching process to remove part of the second IMD layer for forming an opening; performing a plasma treatment process; and performing a second etching process to remove polymers from bottom of the opening.Type: ApplicationFiled: August 12, 2020Publication date: November 26, 2020Inventors: Yi-How Chou, Tzu-Hao Fu, Tsung-Yin Hsieh, Chih-Sheng Chang, Shih-Chun Tsai, Kun-Chen Ho, Yang-Chou Lin
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Patent number: 10784153Abstract: A method for fabricating metal interconnect structure includes the steps of: forming a first metal interconnection in a first inter-metal dielectric (IMD) layer on a substrate; forming a cap layer on the first metal interconnection; forming a second IMD layer on the cap layer; performing a first etching process to remove part of the second IMD layer for forming an opening; performing a plasma treatment process; and performing a second etching process to remove polymers from bottom of the opening.Type: GrantFiled: September 18, 2018Date of Patent: September 22, 2020Assignee: UNITED MICROELECTRONICS CORP.Inventors: Yi-How Chou, Tzu-Hao Fu, Tsung-Yin Hsieh, Chih-Sheng Chang, Shih-Chun Tsai, Kun-Chen Ho, Yang-Chou Lin
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Publication number: 20200058544Abstract: A method for fabricating metal interconnect structure includes the steps of: forming a first metal interconnection in a first inter-metal dielectric (IMD) layer on a substrate; forming a cap layer on the first metal interconnection; forming a second IMD layer on the cap layer; performing a first etching process to remove part of the second IMD layer for forming an opening; performing a plasma treatment process; and performing a second etching process to remove polymers from bottom of the opening.Type: ApplicationFiled: September 18, 2018Publication date: February 20, 2020Inventors: Yi-How Chou, Tzu-Hao Fu, Tsung-Yin Hsieh, Chih-Sheng Chang, Shih-Chun Tsai, Kun-Chen Ho, Yang-Chou Lin
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Patent number: 9316901Abstract: A method for forming patterns includes the following steps. A first layout including a first target pattern and a first unprintable dummy pattern is provided. A second layout including a second target pattern and a second printable dummy pattern are provided, wherein at least part of the second printable dummy pattern overlaps the first unprintable dummy pattern exposure limit, such that the second printable dummy pattern cannot be formed in a wafer.Type: GrantFiled: April 23, 2014Date of Patent: April 19, 2016Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hsin-Yu Chen, Chia-Wei Huang, Chun-Hsien Huang, Shih-Chun Tsai, Kai-Lin Chuang
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Publication number: 20140220482Abstract: A method for forming patterns includes the following steps. A first layout including a first target pattern and a first unprintable dummy pattern is provided. A second layout including a second target pattern and a second printable dummy pattern are provided, wherein at least part of the second printable dummy pattern overlaps the first unprintable dummy pattern exposure limit, such that the second printable dummy pattern cannot be formed in a wafer.Type: ApplicationFiled: April 23, 2014Publication date: August 7, 2014Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hsin-Yu Chen, Chia-Wei Huang, Chun-Hsien Huang, Shih-Chun Tsai, Kai-Lin Chuang
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Patent number: 8748066Abstract: A method for forming photomasks includes the following steps. A first photomask including a first target pattern and a first unprintable dummy pattern is provided. A second photomask including a second target pattern and a second printable dummy pattern are provided, wherein at least part of the second printable dummy pattern overlapping the first unprintable dummy pattern exposure limit, such that the second printable dummy pattern can not be printed in a wafer.Type: GrantFiled: October 3, 2012Date of Patent: June 10, 2014Assignee: United Microelectronics Corp.Inventors: Hsin-Yu Chen, Chia-Wei Huang, Chun-Hsien Huang, Shih-Chun Tsai, Kai-Lin Chuang
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Patent number: 8735295Abstract: A method for fabricating a dual damascene structure includes the following steps. At first, a dielectric layer, a dielectric mask layer and a metal mask layer are sequentially formed on a substrate. A plurality of trench openings is formed in the metal mask layer, and a part of the metal mask layer is exposed in the bottom of each of the trench openings. Subsequently, a plurality of via openings are formed in the dielectric mask layer, and a part of the dielectric mask layer is exposed in a bottom of each of the via openings. Furthermore, the trench openings and the via openings are transferred to the dielectric layer to form a plurality of dual damascene openings.Type: GrantFiled: June 19, 2012Date of Patent: May 27, 2014Assignee: United Microelectronics Corp.Inventors: Chang-Hsiao Lee, Hsin-Yu Chen, Yu-Tsung Lai, Jiunn-Hsiung Liao, Shih-Chun Tsai
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Publication number: 20140093814Abstract: A method for forming photomasks includes the following steps. A first photomask including a first target pattern and a first unprintable dummy pattern is provided. A second photomask including a second target pattern and a second printable dummy pattern are provided, wherein at least part of the second printable dummy pattern overlapping the first unprintable dummy pattern exposure limit, such that the second printable dummy pattern can not be printed in a wafer.Type: ApplicationFiled: October 3, 2012Publication date: April 3, 2014Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hsin-Yu Chen, Chia-Wei Huang, Chun-Hsien Huang, Shih-Chun Tsai, Kai-Lin Chuang