Patents by Inventor Hsu Cheng
Hsu Cheng 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: 12274088Abstract: A semiconductor structure includes a substrate, an isolation layer, a dielectric layer, an insulation layer, a conductor and a capping layer. The substrate has a concave portion. The isolation layer is located on a top surface of the substrate. The dielectric layer is located on the isolation layer. The insulation layer is located on a surface of the concave portion and extends to a sidewall of the isolation layer. The conductor is located on the insulation layer in the concave portion. The conductor has a first top surface and a second top surface, and the first top surface is closer to the dielectric layer than the second top surface. The capping layer is located in the concave portion and covers the conductor.Type: GrantFiled: March 19, 2024Date of Patent: April 8, 2025Assignee: NANYA TECHNOLOGY CORPORATIONInventors: Chih-Wei Huang, Hsu-Cheng Fan, En-Jui Li
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Publication number: 20250087456Abstract: Various embodiments herein relate to methods and apparatus for etching a feature in a substrate. Often, the feature is etched in the context of forming a DRAM or other memory device. The feature is etched in dielectric material, which often includes a silicon oxide. The feature is etched using chemistry that includes a metal-containing gas such as tungsten hexafluoride. Although other metal-containing gases are commonly used as deposition gases (e.g., to deposit metal-containing films), they can also be used during etching. Advantageously, the inclusion of a metal-containing gas in the etch chemistry can increase the selectivity of the etch and/or improve the feature-to-feature uniformity (e.g., improve LCDU).Type: ApplicationFiled: January 10, 2023Publication date: March 13, 2025Inventors: Sriharsha Jayanti, Hsu-Cheng Huang, Gerardo Adrian Delgadino, Merrett Wong, Nikhil Dole
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Publication number: 20250054769Abstract: A patterning method includes etching a mask formed above a stack of two or more layers where the mask comprises a first patterned structure, a second patterned structure above the first patterned structure, where portions of the second patterned structure intersect the first patterned structure to form intersections and at least an opening. The mask includes a structure vertically between portions of the second patterned structure and the stack. The method includes etching a first layer of the stack through the opening and exposing a top surface of a second layer below the first layer, etching and removing the first patterned structure and the second patterned structure selectively to the first layer and the top surface of the second layer to form a planar mask comprising the first layer. The method further includes etching the second layer of the stack using the planar mask.Type: ApplicationFiled: December 5, 2022Publication date: February 13, 2025Applicant: Lam Research CorporationInventors: Hsu-Cheng HUANG, Sang Jun CHO, Sriharsha JAYANTI, Gerardo DELGADINO, Steven CHUANG
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Publication number: 20250016996Abstract: A memory device includes a semiconductor substrate having an active region, and a word line extending across the active region. The memory device also includes a first source/drain region and a second source/drain region disposed in the active region and on opposite sides of the word line. The memory device further includes a bit line contact disposed over and electrically connected to the first source/drain region. The bit line contact has a tapered profile. In addition, the memory device includes a capacitor contact disposed over and electrically connected to the second source/drain region.Type: ApplicationFiled: October 23, 2023Publication date: January 9, 2025Inventors: CHIH-WEI HUANG, HSU-CHENG FAN, CHIH-YU YEN
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Publication number: 20250016995Abstract: A memory device includes a semiconductor substrate having an active region, and a word line extending across the active region. The memory device also includes a first source/drain region and a second source/drain region disposed in the active region and on opposite sides of the word line. The memory device further includes a bit line contact disposed over and electrically connected to the first source/drain region. The bit line contact has a tapered profile. In addition, the memory device includes a capacitor contact disposed over and electrically connected to the second source/drain region.Type: ApplicationFiled: July 7, 2023Publication date: January 9, 2025Inventors: CHIH-WEI HUANG, HSU-CHENG FAN, CHIH-YU YEN
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Publication number: 20250008725Abstract: A semiconductor device includes a substrate, a bit line structure formed over and protruding from the substrate, a spacer structure formed on and extending along sidewall of the bit line structure, and a landing pad disposed on the bit line structure and covering the slope. The spacer structure includes a first segment near a top of the spacer structure with a slope and a second segment beneath the first segment. A first segment consists of a first spacer layer contacting the bit line structure and a third spacer layer contacting the first spacer layer. A second segment consists of the first spacer layer contacting the bit line structure, a second spacer layer contacting the first spacer layer, and the third spacer layer contacting the second spacer layer, and the second segment is capped with the first segment.Type: ApplicationFiled: September 11, 2024Publication date: January 2, 2025Inventors: Chih-Wei HUANG, Hsu-Cheng FAN, En-Jui LI, Chih-Yu YEN
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Publication number: 20240413007Abstract: The present application discloses a semiconductor device and a method for fabricating the semiconductor device. The semiconductor device includes a substrate; a drain positioned in the substrate; a top dielectric layer positioned on the substrate; a cell contact structure including a cell contact bottom conductive layer positioned in the top dielectric layer and on the drain, a cell contact top conductive layer positioned in the top dielectric layer and on the cell contact bottom conductive layer, and a cell contact top sealing layer positioned in the top dielectric layer, on the cell contact bottom conductive layer, and surrounding the cell contact top conductive layer; and a first air gap positioned in the top dielectric layer and surrounding the cell contact bottom conductive layer.Type: ApplicationFiled: June 9, 2023Publication date: December 12, 2024Inventors: CHIH-WEI HUANG, HSU-CHENG FAN, CHIH-YU YEN
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Publication number: 20240413008Abstract: The present application discloses a semiconductor device and a method for fabricating the semiconductor device. The semiconductor device includes a substrate; a drain positioned in the substrate; a top dielectric layer positioned on the substrate; a cell contact structure including a cell contact bottom conductive layer positioned in the top dielectric layer and on the drain, a cell contact top conductive layer positioned in the top dielectric layer and on the cell contact bottom conductive layer, and a cell contact top sealing layer positioned in the top dielectric layer, on the cell contact bottom conductive layer, and surrounding the cell contact top conductive layer; and a first air gap positioned in the top dielectric layer and surrounding the cell contact bottom conductive layer.Type: ApplicationFiled: October 20, 2023Publication date: December 12, 2024Inventors: CHIH-WEI HUANG, HSU-CHENG FAN, CHIH-YU YEN
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Patent number: 12127392Abstract: A method of fabricating the semiconductor device includes forming a bit line structure over a substrate, forming a spacer structure on a sidewall of the bit line structure, partially removing an upper portion of the spacer structure to form a slope on the spacer structure slanting to the bit line structure, forming a landing pad material to cover the spacer structure and contact the slope, and removing at least a portion of the landing pad material to form a landing pad against the slope.Type: GrantFiled: October 12, 2023Date of Patent: October 22, 2024Assignee: NANYA TECHNOLOGY CORPORATIONInventors: Chih-Wei Huang, Hsu-Cheng Fan, En-Jui Li, Chih-Yu Yen
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Patent number: 12108196Abstract: A frame correction method includes the following steps. Firstly, a correction frame is projected, wherein the correction frame has a number of original-boundary contour points. Then, in the first boundary contour adjustment, in response to a position adjustment of the first contour-adjusted one of the original-boundary contour points, correspondingly adjust the position of at least one symmetrical one of the original-boundary contour points, wherein at least one symmetrical one and the first contour-adjusted one are symmetrically disposed. Then, in response to the position adjustment of the first contour-adjusted one, a number of first new boundary contour points and a number of first open correction points are added.Type: GrantFiled: February 2, 2023Date of Patent: October 1, 2024Assignee: Qisda CorporationInventors: Tsai-Hsu Cheng, Chih-Wei Cho
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Publication number: 20240222454Abstract: A semiconductor structure includes a substrate, an isolation layer, a dielectric layer, an insulation layer, a conductor and a capping layer. The substrate has a concave portion. The isolation layer is located on a top surface of the substrate. The dielectric layer is located on the isolation layer. The insulation layer is located on a surface of the concave portion and extends to a sidewall of the isolation layer. The conductor is located on the insulation layer in the concave portion. The conductor has a first top surface and a second top surface, and the first top surface is closer to the dielectric layer than the second top surface. The capping layer is located in the concave portion and covers the conductor.Type: ApplicationFiled: March 19, 2024Publication date: July 4, 2024Inventors: Chih-Wei HUANG, Hsu-Cheng FAN, En-Jui LI
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Patent number: 11967628Abstract: A semiconductor structure includes a substrate, an isolation layer, a dielectric layer, an insulation layer, a conductor and a capping layer. The substrate has a concave portion. The isolation layer is located on a top surface of the substrate. The dielectric layer is located on the isolation layer. The insulation layer is located on a surface of the concave portion and extends to a sidewall of the isolation layer. The conductor is located on the insulation layer in the concave portion. The conductor has a first top surface and a second top surface, and the first top surface is closer to the dielectric layer than the second top surface. The capping layer is located in the concave portion and covers the conductor.Type: GrantFiled: July 6, 2023Date of Patent: April 23, 2024Assignee: NANYA TECHNOLOGY CORPORATIONInventors: Chih-Wei Huang, Hsu-Cheng Fan, En-Jui Li
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Publication number: 20240121940Abstract: A semiconductor device and a method of manufacturing the semiconductor device are provided. The semiconductor device includes a substrate, a word line, a first capacitor, a second capacitor, a first bit line and a second bit line. The word line is disposed on the substrate and extends along a first direction. The first capacitor extends along a second direction different from the first direction and is located at a first level. The second capacitor extends along the second direction and is located at a second level different from the first level. The first bit line is electrically connected to the first capacitor and the word line. The second bit line is electrically connected to the second capacitor and the word line.Type: ApplicationFiled: July 13, 2023Publication date: April 11, 2024Inventors: SHIH-FAN KUAN, HSU-CHENG FAN, JIANN-JONG WANG, CHUNG-HSIN LIN, YU-TING LIN
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Publication number: 20240121939Abstract: A semiconductor device and a method of manufacturing the same are provided. The semiconductor device includes a substrate, a word line, a first capacitor, a second capacitor, a first bit line and a second bit line. The word line is disposed on the substrate and extends along a first direction. The first capacitor extends along a second direction different from the first direction and is located at a first level. The second capacitor extends along the second direction and is located at a second level different from the first level. The first bit line is electrically connected to the first capacitor and the word line. The second bit line is electrically connected to the second capacitor and the word line.Type: ApplicationFiled: October 11, 2022Publication date: April 11, 2024Inventors: SHIH-FAN KUAN, HSU-CHENG FAN, JIANN-JONG WANG, CHUNG-HSIN LIN, YU-TING LIN
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Patent number: 11953738Abstract: The present invention discloses a display including a display panel and a light redirecting film disposed on the viewing side of the display panel. The light redirecting film comprises a light redistribution layer, and a light guide layer disposed on the light redistribution layer. The light redistribution layer includes a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals and a plurality of diffraction gratings arranged at the bottom of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined light-guide surface, and the bottom of each interval has at least one set of diffraction gratings, and the light guide layer is in contact with the strip-shaped micro prisms and the diffraction gratings.Type: GrantFiled: March 29, 2022Date of Patent: April 9, 2024Assignee: BenQ Materials CorporationInventors: Cyun-Tai Hong, Yu-Da Chen, Hsu-Cheng Cheng, Meng-Chieh Wu, Chuen-Nan Shen, Kuo-Jung Huang, Wei-Jyun Chen, Yu-Jyuan Dai
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Publication number: 20240040769Abstract: A method of fabricating the semiconductor device includes forming a bit line structure over a substrate, forming a spacer structure on a sidewall of the bit line structure, partially removing an upper portion of the spacer structure to form a slope on the spacer structure slanting to the bit line structure, forming a landing pad material to cover the spacer structure and contact the slope, and removing at least a portion of the landing pad material to form a landing pad against the slope.Type: ApplicationFiled: October 12, 2023Publication date: February 1, 2024Inventors: Chih-Wei HUANG, Hsu-Cheng FAN, En-Jui LI, Chih-Yu YEN
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Publication number: 20230412781Abstract: A frame correction method includes the following steps. Firstly, a correction frame is projected, wherein the correction frame has a number of original-boundary contour points. Then, in the first boundary contour adjustment, in response to a position adjustment of the first contour-adjusted one of the original-boundary contour points, correspondingly adjust the position of at least one symmetrical one of the original-boundary contour points, wherein at least one symmetrical one and the first contour-adjusted one are symmetrically disposed. Then, in response to the position adjustment of the first contour-adjusted one, a number of first new boundary contour points and a number of first open correction points are added.Type: ApplicationFiled: February 2, 2023Publication date: December 21, 2023Applicant: Qisda CorporationInventors: Tsai-Hsu CHENG, Chih-Wei CHO
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Patent number: 11832435Abstract: A method of fabricating the semiconductor device includes forming a bit line structure over a substrate, forming a spacer structure on a sidewall of the bit line structure, partially removing an upper portion of the spacer structure to form a slope on the spacer structure slanting to the bit line structure, forming a landing pad material to cover the spacer structure and contact the slope, and removing at least a portion of the landing pad material to form a landing pad against the slope.Type: GrantFiled: November 18, 2021Date of Patent: November 28, 2023Assignee: NANYA TECHNOLOGY CORPORATIONInventors: Chih-Wei Huang, Hsu-Cheng Fan, En-Jui Li, Chih-Yu Yen
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Publication number: 20230352549Abstract: A semiconductor structure includes a substrate, an isolation layer, a dielectric layer, an insulation layer, a conductor and a capping layer. The substrate has a concave portion. The isolation layer is located on a top surface of the substrate. The dielectric layer is located on the isolation layer. The insulation layer is located on a surface of the concave portion and extends to a sidewall of the isolation layer. The conductor is located on the insulation layer in the concave portion. The conductor has a first top surface and a second top surface, and the first top surface is closer to the dielectric layer than the second top surface. The capping layer is located in the concave portion and covers the conductor.Type: ApplicationFiled: July 6, 2023Publication date: November 2, 2023Inventors: Chih-Wei HUANG, Hsu-Cheng FAN, En-Jui LI
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Patent number: 11747667Abstract: The present invention discloses a light redirecting film, a polarizer with the light redirecting film, and a display comprising the polarizer. The light redirecting film includes a light redistribution layer, and a light guide layer disposed on the light redistribution layer. The light redistribution layer includes a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals and a plurality of diffraction gratings arranged at bottoms of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined light-guide surface, and the bottom of each interval has at least one set of diffraction gratings, and the light guide layer is in contact with the strip-shaped micro prisms and the diffraction gratings.Type: GrantFiled: March 29, 2022Date of Patent: September 5, 2023Assignee: BenQ Materials CorporationInventors: Cyun-Tai Hong, Yu-Da Chen, Hsu-Cheng Cheng, Meng-Chieh Wu, Chuen-Nan Shen, Kuo-Jung Huang