Patents by Inventor Kuen-Yu Tsai
Kuen-Yu 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: 20240120409Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: ApplicationFiled: November 30, 2023Publication date: April 11, 2024Inventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Patent number: 11855190Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: GrantFiled: December 13, 2022Date of Patent: December 26, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, COMPANY NATIONAL TAIWAN UNIVERSITYInventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Publication number: 20230112658Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: ApplicationFiled: December 13, 2022Publication date: April 13, 2023Inventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Patent number: 11532729Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: GrantFiled: May 26, 2020Date of Patent: December 20, 2022Assignees: Taiwan Semiconductor Manufacturing Company, National Taiwan UniversityInventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Publication number: 20200287025Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: ApplicationFiled: May 26, 2020Publication date: September 10, 2020Inventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Patent number: 10665696Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: GrantFiled: April 25, 2018Date of Patent: May 26, 2020Assignees: Taiwan Semiconductor Manufacturing Company, National Taiwan UniversityInventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Patent number: 10615036Abstract: A process for fabricating an integrated circuit is provided. The process includes providing a substrate, forming a hard mask upon the substrate by one of atomic-layer deposition and molecular-layer deposition, and exposing the hard mask to a charged particle from one or more charged particle beams to pattern a gap in the hard mask. In the alternative, the process includes exposing the hard mask to a charged particle from one or more charged-particle beams to pattern a structure on the hard mask.Type: GrantFiled: March 28, 2018Date of Patent: April 7, 2020Assignees: Taiwan Semiconductor Manufacturing Company, Ltd., National Taiwan UniversityInventors: Kuen-Yu Tsai, Miin-Jang Chen, Samuel C. Pan
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Publication number: 20180248020Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: ApplicationFiled: April 25, 2018Publication date: August 30, 2018Inventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Publication number: 20180218903Abstract: A process for fabricating an integrated circuit is provided. The process includes providing a substrate, forming a hard mask upon the substrate by one of atomic-layer deposition and molecular-layer deposition, and exposing the hard mask to a charged particle from one or more charged particle beams to pattern a gap in the hard mask. In the alternative, the process includes exposing the hard mask to a charged particle from one or more charged-particle beams to pattern a structure on the hard mask.Type: ApplicationFiled: March 28, 2018Publication date: August 2, 2018Inventors: Kuen-Yu Tsai, Miin-Jang Chen, Samuel C. Pan
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Patent number: 10007752Abstract: The present disclosure relates to a curve-fitting procedure for determining proximity effect device parameters in semiconductor fabrication. Methods presented herein are adapted to determine the impact of narrow width related effects on device characteristics by comparing two-dimensional (2D) and/or three-dimensional (3D) device simulations. Methods presented herein are adapted to determine the accuracy of conventional extraction methods utilizing non-rectangular gate device simulation.Type: GrantFiled: July 20, 2015Date of Patent: June 26, 2018Assignees: Taiwan Semiconductor Manufacturing Co., Ltd, National Taiwan UniversityInventors: Kuen-Yu Tsai, Meng-Fu You, Yi-Chang Lu
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Patent number: 9972702Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: GrantFiled: May 22, 2014Date of Patent: May 15, 2018Assignees: Taiwan Semiconductor Manufacturing Company, National Taiwan UniversityInventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Patent number: 9934969Abstract: A process for fabricating an integrated circuit is provided. The process includes providing a substrate, forming a hard mask upon the substrate by one of atomic-layer deposition and molecular-layer deposition, and exposing the hard mask to a charged particle from one or more charged particle beams to pattern a gap in the hard mask. In the alternative, the process includes exposing the hard mask to a charged particle from one or more charged-particle beams to pattern a structure on the hard mask.Type: GrantFiled: June 13, 2014Date of Patent: April 3, 2018Assignees: Taiwan Semiconductor Manufacturing Company, Ltd., National Taiwan UniversityInventors: Kuen-Yu Tsai, Miin-Jang Chen, Samuel C. Pan
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Patent number: 9570301Abstract: A process for fabricating an integrated circuit is provided. The process includes providing a substrate and forming a hard mask on the substrate. The hard mask may be formed by atomic-layer deposition (ALD) or molecular-layer deposition (MLD). The process also includes disposing an exposure mask over the hard mask and exposing the exposure mask to a patterning particle to pattern a gap in the hard mask. The patterning particle may be, for example, a photon or a charged particle.Type: GrantFiled: May 29, 2014Date of Patent: February 14, 2017Assignees: Taiwan Semiconductor Manufacturing Company, Ltd., National Taiwan UniversityInventors: Kuen-Yu Tsai, Miin-Jang Chen, Si-Chen Lee
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Patent number: 9541500Abstract: Calibration of models for manufacturing processes that are subject to circuit layout proximity effects is performed, including optical proximity correction (OPC) model calibration. A target structure is produced using a layout and a manufacturing process. The target structure is illuminated and an electromagnetic scattering property is detected. A manufacturing process model for simulation of the manufacturing process is produced, which comprises at least one manufacturing process parameter determining a model electromagnetic scattering property using the manufacturing process model and the layout. The model electromagnetic scattering property is compared to the detected electromagnetic scattering property and based on the result of the comparison, calibrated manufacturing process parameters are output for calibrating the manufacturing process model.Type: GrantFiled: August 30, 2012Date of Patent: January 10, 2017Assignees: ASML Netherlands B.V., National Taiwan UniversityInventors: Kuen-Yu Tsai, Alek Chi-Heng Chen, Jia-Han Li
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Patent number: 9418049Abstract: A method for establishing a parametric model of a semiconductor process is provided. A first intermediate result is generated according to layout data and a non-parametric model of the semiconductor process. A first response is obtained according to the first intermediate result. A specific mathematical function is selected from a plurality of mathematical functions, and the parametric model is obtained according to the specific mathematical function. A second intermediate result is generated according to the layout data and the parametric model. A second response is obtained according to the second intermediate result. It is determined whether the parametric model is an optimal model according to the first and second responses.Type: GrantFiled: January 16, 2013Date of Patent: August 16, 2016Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD, NATIONAL TAIWAN UNIVERSITYInventors: Kuen-Yu Tsai, Chun-Hung Liu
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Publication number: 20150348775Abstract: A process for fabricating an integrated circuit is provided. The process includes providing a substrate and forming a hard mask on the substrate. The hard mask may be formed by atomic-layer deposition (ALD) or molecular-layer deposition (MLD). The process also includes disposing an exposure mask over the hard mask and exposing the exposure mask to a patterning particle to pattern a gap in the hard mask. The patterning particle may be, for example, a photon or a charged particle.Type: ApplicationFiled: May 29, 2014Publication date: December 3, 2015Inventors: Kuen-Yu Tsai, Miin-Jang Chen, Si-Chen Lee
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Publication number: 20150340469Abstract: A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.Type: ApplicationFiled: May 22, 2014Publication date: November 26, 2015Applicants: National Taiwan University, Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Miin-Jang Chen, Kuen-Yu Tsai, Chee-Wee Liu
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Publication number: 20150324515Abstract: The present disclosure relates to a curve-fitting procedure for determining proximity effect device parameters in semiconductor fabrication. Methods presented herein are adapted to determine the impact of narrow width related effects on device characteristics by comparing two-dimensional (2D) and/or three-dimensional (3D) device simulations. Methods presented herein are adapted to determine the accuracy of conventional extraction methods utilizing non-rectangular gate device simulation.Type: ApplicationFiled: July 20, 2015Publication date: November 12, 2015Inventors: Kuen-Yu Tsai, Meng-Fu You, Yi-Chang Lu
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Publication number: 20150221514Abstract: A process for fabricating an integrated circuit is provided. The process includes providing a substrate, forming a hard mask upon the substrate by one of atomic-layer deposition and molecular-layer deposition, and exposing the hard mask to a charged particle from one or more charged particle beams to pattern a gap in the hard mask. In the alternative, the process includes exposing the hard mask to a charged particle from one or more charged-particle beams to pattern a structure on the hard mask.Type: ApplicationFiled: June 13, 2014Publication date: August 6, 2015Inventors: Kuen-Yu Tsai, Miin-Jang Chen, Samuel C. Pan
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Publication number: 20150212427Abstract: A multilayer mirror structure for reflecting extreme ultraviolet (EUV) light is provided. The multilayer mirror structure includes a substrate and a plurality of first material layers and a plurality of second material layers alternately stacked on the substrate. Each of the first material layers has a plurality of low loss regions defined thereon. Each of the low loss regions has a low loss member for reducing the loss of the EUV light when the low loss regions are irradiated with the EUV light, thereby enhancing the reflectivity of the first material layers.Type: ApplicationFiled: July 31, 2014Publication date: July 30, 2015Inventors: Jia-Han Li, Yen-Min Lee, Kuen-Yu Tsai