Patents by Inventor Sheng-Da Liu
Sheng-Da Liu 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: 8325518Abstract: A multi-level cell NOR flash memory device includes a plurality of gate lines, a plurality of source regions, a plurality of drain regions, a plurality of source lines, a plurality of bitlines, and a plurality of power lines. The bitlines each have a specific sheet resistance. A specific number of the bitlines are disposed between two adjacent ones of the power lines. Accordingly, the multi-level cell NOR flash memory device is of a high transconductance and uniformity and thereby features an enhanced conforming rate.Type: GrantFiled: December 22, 2010Date of Patent: December 4, 2012Assignee: Eon Silicon Solution Inc.Inventors: Sheng-Da Liu, Yider Wu
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Publication number: 20120163077Abstract: A multi-level cell NOR flash memory device includes a plurality of gate lines, a plurality of source regions, a plurality of drain regions, a plurality of source lines, a plurality of bitlines, and a plurality of power lines. The bitlines each have a specific sheet resistance. A specific number of the bitlines are disposed between two adjacent ones of the power lines. Accordingly, the multi-level cell NOR flash memory device is of a high transconductance and uniformity and thereby features an enhanced conforming rate.Type: ApplicationFiled: December 22, 2010Publication date: June 28, 2012Applicant: EON SILICON SOLUTION INC.Inventors: SHENG-DA LIU, YIDER WU
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Patent number: 8174073Abstract: A semiconductor structure includes a semiconductor substrate; and a first Fin field-effect transistor (FinFET) and a second FinFET at a surface of the semiconductor substrate. The first FinFET includes a first fin; and a first gate electrode over a top surface and sidewalls of the first fin. The second FinFET includes a second fin spaced apart from the first fin by a fin space; and a second gate electrode over a top surface and sidewalls of the second fin. The second gate electrode is electrically disconnected from the first gate electrode. The first and the second gate electrodes have a gate height greater than about one half of the fin space.Type: GrantFiled: May 30, 2007Date of Patent: May 8, 2012Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Tsung-Lin Lee, Chang-Yun Chang, Sheng-Da Liu, Fu-Liang Yang
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Publication number: 20120094450Abstract: A manufacturing method of a multi-level cell NOR flash memory includes the steps of forming a memory cell area and a peripheral circuit area with the same depth of a shallow trench isolation structure, and the depth ranges from 2400 ? to 2700 ?; forming a non-self-aligned gate structure; performing a self-alignment source manufacturing process; and forming a common source area and a plurality of drain areas. The manufacturing method achieves a high integration density between components and provides a better thermal budget and a better dosage control to the multi-level cell NOR flash memory to improve the production yield rate.Type: ApplicationFiled: October 19, 2010Publication date: April 19, 2012Applicant: EON SILICON SOLUTION INC.Inventors: Yider Wu, Sheng-Da Liu
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Patent number: 8017488Abstract: A manufacturing method of a NOR flash memory with phosphorous and arsenic ion implantations mainly implants both phosphorous and arsenic ions on a drain area of a transistor memory unit, and controls specific energy and dosage for the implantation to reduce the defects of a memory device and improve the yield rate of the NOR flash memory.Type: GrantFiled: September 18, 2009Date of Patent: September 13, 2011Assignee: EON Silicon Solutions Inc.Inventors: Sheng-Da Liu, Yider Wu
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Publication number: 20110070705Abstract: A manufacturing method of a NOR flash memory with phosphorous and arsenic ion implantations mainly implants both phosphorous and arsenic ions on a drain area of a transistor memory unit, and controls specific energy and dosage for the implantation to reduce the defects of a memory device and improve the yield rate of the NOR flash memory.Type: ApplicationFiled: September 18, 2009Publication date: March 24, 2011Applicant: Eon Silicon Solutions Inc.Inventors: SHENG-DA LIU, YIDER WU
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Patent number: 7883979Abstract: A semiconductor device includes a substrate, a first device situated on the substrate, the first device including a source and a drain each situated extending a first depth within the substrate, and a second device situated on the substrate, the second device including a source and a drain each situated extending a second depth within the substrate, the second depth not equal to the first depth.Type: GrantFiled: October 26, 2004Date of Patent: February 8, 2011Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Wei Chen, Zhong Tang Xuan, Shui-Ming Cheng, Sheng-Da Liu
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Publication number: 20080296702Abstract: A semiconductor structure includes a semiconductor substrate; and a first Fin field-effect transistor (FinFET) and a second FinFET at a surface of the semiconductor substrate. The first FinFET includes a first fin; and a first gate electrode over a top surface and sidewalls of the first fin. The second FinFET includes a second fin spaced apart from the first fin by a fin space; and a second gate electrode over a top surface and sidewalls of the second fin. The second gate electrode is electrically disconnected from the first gate electrode. The first and the second gate electrodes have a gate height greater than about one half of the fin space.Type: ApplicationFiled: May 30, 2007Publication date: December 4, 2008Inventors: Tsung-Lin Lee, Chang-Yun Chang, Sheng-Da Liu, Fu-Liang Yang
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Patent number: 7425740Abstract: A one transistor (1T-RAM) bit cell and method for manufacture are provided. A metal-insulator-metal (MIM) capacitor structure and method of manufacturing it in an integrated process that includes a finFET transistor for the 1T-RAM bit cell is provided. In some embodiments, the finFET transistor and MIM capacitor are formed in a memory region and an asymmetric processing method is disclosed, which allows planar MOSFET transistors to be formed in another region of a single device. In some embodiments, the 1T-RAM cell and additional transistors may be combined to form a macro cell, multiple macro cells may form an integrated circuit. The MIM capacitors may include nanoparticles or nanostructures to increase the effective capacitance. The finFET transistors may be formed over an insulator. The MIM capacitors may be formed in interlevel insulator layers above the substrate. The process provided to manufacture the structure may advantageously use conventional photomasks.Type: GrantFiled: October 7, 2005Date of Patent: September 16, 2008Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Sheng-Da Liu, Hung-Wei Chen, Chang-Yun Chang, Zhong Tang Xuan, Ju-Wang Hsu
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Patent number: 7381649Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.Type: GrantFiled: July 29, 2005Date of Patent: June 3, 2008Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Wei Chen, Tang-Xuan Zhong, Sheng-Da Liu, Chang-Yun Chang, Ping-Kun Wu, Chao-Hsiung Wang, Fu-Liang Yang
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Patent number: 7271448Abstract: A multiple gate region FET device for forming up to 6 FET devices and method for forming the same, the device including a multiple fin shaped structure comprising a semiconductor material disposed on a substrate; said multiple fin shaped structure comprising substantially parallel spaced apart sidewall portions, each of said sidewall portions comprising major inner and outer surfaces and an upper surface; wherein, each of said surfaces comprises a surface for forming an overlying field effect transistor (FET).Type: GrantFiled: February 14, 2005Date of Patent: September 18, 2007Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Ju-Wang Hsu, Jyu-Horng Shieh, Hun-Jan Tao, Chang-Yun Chang, Zhong Tang Xuan, Sheng-Da Liu
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Publication number: 20070080387Abstract: A one transistor (1T-RAM) bit cell and method for manufacture are provided. A metal-insulator-metal (MIM) capacitor structure and method of manufacturing it in an integrated process that includes a finFET transistor for the 1T-RAM bit cell is provided. In some embodiments, the finFET transistor and MIM capacitor are formed in a memory region and an asymmetric processing method is disclosed, which allows planar MOSFET transistors to be formed in another region of a single device. In some embodiments, the 1T-RAM cell and additional transistors may be combined to form a macro cell, multiple macro cells may form an integrated circuit. The MIM capacitors may include nanoparticles or nanostructures to increase the effective capacitance. The finFET transistors may be formed over an insulator. The MIM capacitors may be formed in interlevel insulator layers above the substrate. The process provided to manufacture the structure may advantageously use conventional photomasks.Type: ApplicationFiled: October 7, 2005Publication date: April 12, 2007Inventors: Sheng-Da Liu, Hung-Wei Chen, Chang-Yun Chang, Zhong Xuan, Ju-Wang Hsu
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Publication number: 20070026629Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.Type: ApplicationFiled: July 29, 2005Publication date: February 1, 2007Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Wei Chen, Tang-Xuan Zhong, Sheng-Da Liu
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Publication number: 20060180854Abstract: A multiple gate region FET device for forming up to 6 FET devices and method for forming the same, the device including a multiple fin shaped structure comprising a semiconductor material disposed on a substrate; said multiple fin shaped structure comprising substantially parallel spaced apart sidewall portions, each of said sidewall portions comprising major inner and outer surfaces and an upper surface; wherein, each of said surfaces comprises a surface for forming an overlying field effect transistor (FET).Type: ApplicationFiled: February 14, 2005Publication date: August 17, 2006Inventors: Ju-Wang Hsu, Jyu-Horng Shieh, Hun-Jan Tao, Chang-Yun Chang, Zhong Xuan, Sheng-Da Liu
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Publication number: 20060086987Abstract: A semiconductor device includes a substrate, a first device situated on the substrate, the first device including a source and a drain each situated extending a first depth within the substrate, and a second device situated on the substrate, the second device including a source and a drain each situated extending a second depth within the substrate, the second depth not equal to the first depth.Type: ApplicationFiled: October 26, 2004Publication date: April 27, 2006Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Wei Chen, Zhong Xuan, Shui-Ming Cheng, Sheng-Da Liu
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Patent number: RE45165Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.Type: GrantFiled: February 14, 2012Date of Patent: September 30, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Wei Chen, Tang-Xuan Zhong, Sheng-Da Liu, Chang-Yu Chang, Ping-Kun Wu, Chao-Hsiung Wang, Fu-Liang Yang
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Patent number: RE45180Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.Type: GrantFiled: June 2, 2010Date of Patent: October 7, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Wei Chen, Tang-Xuan Zhong, Sheng-Da Liu, Chang-Yun Chang, Ping-Kun Wu, Chao-Hsiung Wang, Fu-Liang Yang
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Patent number: RE45944Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.Type: GrantFiled: August 22, 2014Date of Patent: March 22, 2016Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Wei Chen, Tang-Xuang Zhong, Sheng-Da Liu, Chang-Yun Chang, Ping-Kun Wu, Chao-Hsiung Wang, Fu-Liang Yang