Patents by Inventor Yung-Ju Wen
Yung-Ju Wen 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: 20240332286Abstract: The present invention provides a power clamp cell including a power clamping circuit, a power routing and a global routing is disclosed. The power routing has at least a first vertical metal line and a first horizontal metal line, and the power routing is implemented by using a first metal layer in semiconductor process. The ground routing has at least a second vertical metal line and a second horizontal metal line, and the ground routing is implemented by using a second metal layer in the semiconductor process.Type: ApplicationFiled: March 3, 2024Publication date: October 3, 2024Applicant: MEDIATEK INC.Inventors: Yung-Ju Wen, Bo-Shih Huang
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Patent number: 12087773Abstract: There is provided a logic circuit capable of preventing latch-up. The conducting of a parasitic SCR is prevented by doping an additional N+ active region in the N well region of a PMOS transistor and doping an additional P+ active region in the P well region of an NMOS transistor so as to prevent the occurrence of latch-up.Type: GrantFiled: May 5, 2023Date of Patent: September 10, 2024Inventors: Yung-Ju Wen, Han-Chi Liu, Hsin-You Ko
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Publication number: 20230275089Abstract: There is provided a logic circuit capable of preventing latch-up. The conducting of a parasitic SCR is prevented by doping an additional N+ active region in the N well region of a PMOS transistor and doping an additional P+ active region in the P well region of an NMOS transistor so as to prevent the occurrence of latch-up.Type: ApplicationFiled: May 5, 2023Publication date: August 31, 2023Inventors: Yung-Ju WEN, Han-Chi LIU, Hsin-You KO
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Patent number: 11688739Abstract: There is provided a logic circuit capable of preventing latch-up. The conducting of a parasitic SCR is prevented by doping an additional N+ active region in the N well region of a PMOS transistor and doping an additional P+ active region in the P well region of an NMOS transistor so as to prevent the occurrence of latch-up.Type: GrantFiled: March 19, 2021Date of Patent: June 27, 2023Assignee: PIXART IMAGING INC.Inventors: Yung-Ju Wen, Han-Chi Liu, Hsin-You Ko
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Publication number: 20220302112Abstract: There is provided a logic circuit capable of preventing latch-up. The conducting of a parasitic SCR is prevented by doping an additional N+ active region in the N well region of a PMOS transistor and doping an additional P+ active region in the P well region of an NMOS transistor so as to prevent the occurrence of latch-up.Type: ApplicationFiled: March 19, 2021Publication date: September 22, 2022Inventors: Yung-Ju WEN, Han-Chi LIU, Hsin-You KO
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Patent number: 9564436Abstract: A semiconductor device is described, including a substrate including a first area and a second area, a first MOS element of a first conductivity type in the first area, and a second MOS element of the first conductivity type in the second area. The first area is closer to a pick-up region of the substrate than the second area. The substrate has a second conductivity type. The bottom depth of a first electrical conduction path in the substrate in the first area is smaller than that of a second electrical conduction path in the substrate in the second area.Type: GrantFiled: November 18, 2013Date of Patent: February 7, 2017Assignee: United Microelectronics Corp.Inventors: Yung-Ju Wen, Chang-Tzu Wang, Tien-Hao Tang, Kuan-Cheng Su
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Patent number: 9449960Abstract: Provided is an electrostatic discharge (ESD) protection structure including a substrate, a pick-up region, a first MOS device, a second MOS device, a first doped region and a second doped region. The pick-up region is located in the substrate. The first MOS device has a first drain region of a first conductivity type located in the substrate. The second MOS device has a second drain region of the first conductivity type located in the substrate. The first drain region is closer to the pick up region than the second drain region is. The first doped region of a second conductivity type is located under the first doped region. The second doped region of the second conductivity type is located under the second doped region. The area and/or doping concentration of the first doped region is greater than that of the second doped region.Type: GrantFiled: July 8, 2013Date of Patent: September 20, 2016Assignee: United Microelectronics Corp.Inventors: Yung-Ju Wen, Chang-Tzu Wang, Tien-Hao Tang
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Publication number: 20150137255Abstract: A semiconductor device is described, including a substrate including a first area and a second area, a first MOS element of a first conductivity type in the first area, and a second MOS element of the first conductivity type in the second area. The first area is closer to a pick-up region of the substrate than the second area. The substrate has a second conductivity type. The bottom depth of a first electrical conduction path in the substrate in the first area is smaller than that of a second electrical conduction path in the substrate in the second area.Type: ApplicationFiled: November 18, 2013Publication date: May 21, 2015Applicant: United Microelectronics Corp.Inventors: Yung-Ju Wen, Chang-Tzu Wang, Tien-Hao Tang, Kuan-Cheng Su
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Patent number: 8981488Abstract: A semiconductor structure and an integrated circuit are provided. The semiconductor structure includes a first field-effect transistor (FET), a second FET, an isolation structure, and a body electrode. The first FET includes a first active body having a first type conductivity. The second FET includes a second active body having the first type conductivity. The first active body and the second active body are isolated from each other by the isolation structure. The body electrode has the first type conductivity and formed in the second active body.Type: GrantFiled: November 6, 2013Date of Patent: March 17, 2015Assignee: United Microelectronics Corp.Inventors: Yung-Ju Wen, Tien-Hao Tang, Chang-Tzu Wang
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Publication number: 20150008529Abstract: Provided is an electrostatic discharge (ESD) protection structure including a substrate, a pick-up region, a first MOS device, a second MOS device, a first doped region and a second doped region. The pick-up region is located in the substrate. The first MOS device has a first drain region of a first conductivity type located in the substrate. The second MOS device has a second drain region of the first conductivity type located in the substrate. The first drain region is closer to the pick up region than the second drain region is. The first doped region of a second conductivity type is located under the first doped region. The second doped region of the second conductivity type is located under the second doped region. The area and/or doping concentration of the first doped region is greater than that of the second doped region.Type: ApplicationFiled: July 8, 2013Publication date: January 8, 2015Inventors: Yung-Ju Wen, Chang-Tzu Wang, Tien-Hao Tang
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Patent number: 8648421Abstract: An electrostatic discharge (ESD) device is described, including a gate line, a source region at a first side of the gate line, a comb-shaped drain region disposed at a second side of the gate line and having comb-teeth parts, a salicide layer on the source region and the drain region, and contact plugs on the salicide layer on the source region and the drain region. Each comb-teeth part has thereon, at a tip portion thereof, at least one of the contact plugs.Type: GrantFiled: November 7, 2011Date of Patent: February 11, 2014Assignee: United Microelectronics Corp.Inventors: Yung-Ju Wen, Chang-Tzu Wang, Tien-Hao Tang, Kuan-Cheng Su
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Publication number: 20130168772Abstract: A semiconductor device for an electrostatic discharge (ESD) protecting circuit connected to a pad is provided. The semiconductor device includes a semiconductor substrate of a first conductivity type; a plurality of metal oxide semiconductor transistors (MOSFETs) formed in the semiconductor substrate, and an isolation structure of a second conductivity type formed in the semiconductor substrate. The MOFETS are arranged in parallel. Drain electrodes of the MOSFETs are electrically connected to the pad, gate electrodes and source electrodes of the MOSFETs are connected to a constant voltage, and the gate electrodes extend in a first direction. The isolation structure includes a bottom and at least two side walls, wherein the bottom is located under the MOSFETs and the two side walls are located at two sides of the MOSFETs, and the side walls extend in the first direction.Type: ApplicationFiled: December 28, 2011Publication date: July 4, 2013Applicant: UNITED MICROELECTRONICS CORPORATIONInventor: Yung-Ju WEN
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Publication number: 20130113045Abstract: An electrostatic discharge (ESD) device is described, including a gate line, a source region at a first side of the gate line, a comb-shaped drain region disposed at a second side of the gate line and having comb-teeth parts, a salicide layer on the source region and the drain region, and contact plugs on the salicide layer on the source region and the drain region. Each comb-teeth part has thereon, at a tip portion thereof, at least one of the contact plugs.Type: ApplicationFiled: November 7, 2011Publication date: May 9, 2013Applicant: UNITED MICROELECTRONICS CORP.Inventors: Yung-Ju Wen, Chang-Tzu Wang, Tien-Hao Tang, Kuan-Cheng Su