Patents by Inventor Dian-Hau Chen
Dian-Hau Chen 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: 20240145344Abstract: A via structure, a semiconductor structure, and methods for forming the via structure and the semiconductor structure are presented. A via structure includes a first conductive portion through an interconnect structure, a second conductive portion through a substrate and in contact with the first conductive portion, and a liner layer. The liner layer is between the first conductive portion and the interconnect structure, and between the second conductive portion and the substrate. The liner layer includes a portion extending parallel to a surface of the substrate.Type: ApplicationFiled: February 22, 2023Publication date: May 2, 2024Inventors: Tsung-Chieh Hsiao, Liang-Wei Wang, Dian-Hau Chen
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Publication number: 20240145435Abstract: Some implementations described herein include systems and techniques for fabricating a multi-dimension through silicon via structure in a three-dimensional integrated circuit device. The multi-dimension through silicon via structure includes a first columnar structure having a first width and a second columnar structure including a second width that is greater relative to the first width. The first columnar structure may include a low electrical capacitance and be configured for electrical signaling within the three-dimensional integrated circuit device. The second columnar structure may be configured to provide power to integrated circuitry of the three-dimensional integrated circuit device and also be configured to conduct heat through the three-dimensional integrated circuit device for thermal management of the three-dimensional integrated circuit device. Additionally, a pattern including the second columnar structure may be used for alignment purposes.Type: ApplicationFiled: April 26, 2023Publication date: May 2, 2024Inventors: Ke-Gang WEN, Tsung-Chieh HSIAO, Liang-Wei WANG, Dian-Hau CHEN
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Patent number: 11967573Abstract: A semiconductor structure includes a first dielectric layer over a metal line and a redistribution layer (RDL) over the first dielectric layer. The RDL is electrically connected to the metal line. The RDL has a curved top surface and a footing feature, where the footing feature extends laterally from a side surface of the RDL. A second dielectric layer is disposed over the RDL, where the second dielectric layer also has a curved top surface.Type: GrantFiled: February 9, 2023Date of Patent: April 23, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Hsiang-Ku Shen, Dian-Hau Chen
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Publication number: 20240128312Abstract: Semiconductor devices and methods of forming the same are provided. In one embodiment, a semiconductor device includes a contact feature in a first dielectric layer, a first passivation layer over the contact feature, a bottom conductor plate layer disposed over the first passivation layer and including a first plurality of sublayers, a second dielectric layer over the bottom conductor plate layer, a middle conductor plate layer disposed over the second dielectric layer and including a second plurality of sublayers, a third dielectric layer over the middle conductor plate layer, a top conductor plate layer disposed over the third dielectric layer and including a third plurality of sublayers, and a second passivation layer over the top conductor plate layer.Type: ApplicationFiled: December 22, 2023Publication date: April 18, 2024Inventors: Hsiang-Ku Shen, Dian-Hau Chen
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Patent number: 11961880Abstract: A semiconductor device includes first and second metal-insulator-metal structures. The first metal-insulator-metal structure includes a first bottom conductor plate, a first portion of a first dielectric layer, a first middle conductor plate, a first portion of a second dielectric layer, and a first top conductor plate stacked up one over another. The second metal-insulator-metal structure includes a second bottom conductor plate, a second portion of the first dielectric layer, a second middle conductor plate, a second portion of the second dielectric layer, and a second top conductor plate stacked up one over another. In a cross-sectional view, the first bottom conductor plate is wider than the first middle conductor plate that is wider than the first top conductor plate, and the second bottom conductor plate is narrower than the second middle conductor plate that is narrower than the first top conductor plate.Type: GrantFiled: August 9, 2021Date of Patent: April 16, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yuan-Yang Hsiao, Hsiang-Ku Shen, Tsung-Chieh Hsiao, Ying-Yao Lai, Dian-Hau Chen
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Publication number: 20240120257Abstract: An integrated circuit (IC) device includes a substrate. The IC device includes a multi-layer interconnect structure disposed over a first side of the substrate. The multi-layer interconnect structure includes a plurality of metal layers. The IC device includes a first portion of a through-substrate via (TSV) disposed over the first side of the substrate. The first portion of the TSV includes a plurality of conductive components belonging to the plurality of metal layers of the multi-layer interconnect structure. The IC device includes a second portion of the TSV that extends vertically through the substrate from the first side to a second side opposite the first side. The second portion of the TSV is electrically coupled to the first portion of the TSV.Type: ApplicationFiled: March 30, 2023Publication date: April 11, 2024Inventors: Tsung-Chieh Hsiao, Ke-Gang Wen, Liang-Wei Wang, Dian-Hau Chen
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Publication number: 20240113011Abstract: Semiconductor structures and methods are provided. An exemplary method includes forming a first conductive feature in a dielectric layer, forming a metal-insulator-metal (MIM) capacitor over the dielectric layer, forming a first passivation structure over the MIM capacitor, forming a first contact via opening extending through the first passivation structure and the MIM capacitor to expose the first conductive feature, depositing a conductive material to fill the first contact via opening, performing a first etching process to the conductive material to form a first metal feature, the first metal feature comprising a first portion filling the first contact via opening and a second portion over the first passivation structure, and performing a second etching process to trim the second portion of the first metal feature, after the second etching process, a shape of a cross-sectional view of the second portion of the first metal feature comprises a barrel shape.Type: ApplicationFiled: March 31, 2023Publication date: April 4, 2024Inventors: Wen-Chiung Tu, Dian-Hau Chen, Chen-Chiu Huang, Hsiang-Ku Shen
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Patent number: 11950432Abstract: A semiconductor package includes a first semiconductor device and a second semiconductor device. The first semiconductor device includes a first semiconductor substrate, a first bonding structure and a memory cell. The second semiconductor device is stacked over the first semiconductor device. The second semiconductor device includes a second semiconductor substrate, a second bonding structure in a second dielectric layer and a peripheral circuit between the second semiconductor substrate and the second bonding structure. The first bonding structure and the second bonding structure are bonded and disposed between the memory cell and the peripheral circuit, and the memory cell and the peripheral circuit are electrically connected through the first bonding structure and the second bonding structure.Type: GrantFiled: June 29, 2021Date of Patent: April 2, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hsiang-Ku Shen, Ku-Feng Lin, Liang-Wei Wang, Dian-Hau Chen
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Publication number: 20240088208Abstract: A method for forming a semiconductor device structure is provided. The method includes forming an interconnect structure over a substrate. The method includes forming a first conductive pad and a mask layer over the interconnect structure. The mask layer covers a top surface of the first conductive pad. The method includes forming a metal oxide layer over a sidewall of the first conductive pad. The method includes forming a second conductive pad over the first conductive pad and passing through the mask layer. The first conductive pad and the second conductive pad are made of different materials.Type: ApplicationFiled: January 11, 2023Publication date: March 14, 2024Inventors: Tzu-Ting LIU, Hsiang-Ku SHEN, Wen-Tzu CHEN, Man-Yun WU, Wen-Ling CHANG, Dian-Hau CHEN
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Publication number: 20240088016Abstract: Semiconductor devices, integrated circuits and methods of forming the same are provided. In one embodiment, a semiconductor device includes a metal-insulator-metal structure which includes a bottom conductor plate layer including a first opening and a second opening, a first dielectric layer over the bottom conductor plate layer, a middle conductor plate layer over the first dielectric layer and including a third opening, a first dummy plate disposed within the third opening, and a fourth opening, a second dielectric layer over the middle conductor plate layer, and a top conductor plate layer over the second dielectric layer and including a fifth opening, a second dummy plate disposed within the fifth opening, a sixth opening, and a third dummy plate disposed within the sixth opening. The first opening, the first dummy plate, and the second dummy plate are vertically aligned.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Inventors: Yuan-Yang Hsiao, Hsiang-Ku Shen, Dian-Hau Chen
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Patent number: 11923405Abstract: The present disclosure is directed to a semiconductor device. The semiconductor device includes a substrate, an insulating layer disposed on the substrate, a first conductive feature disposed in the insulating layer, and a capacitor structure disposed on the insulating layer. The capacitor structure includes a first electrode, a first dielectric layer, a second electrode, a second dielectric layer, and a third electrode sequentially stacked. The semiconductor device also includes a first via connected to the first electrode and the third electrode, a second via connected to the second electrode, and a third via connected to the first conductive feature. A part of the first via is disposed in the insulating layer. A portion of the first conductive feature is directly under the capacitor structure.Type: GrantFiled: May 23, 2022Date of Patent: March 5, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTDInventors: Chih-Fan Huang, Hung-Chao Kao, Yuan-Yang Hsiao, Tsung-Chieh Hsiao, Hsiang-Ku Shen, Hui-Chi Chen, Dian-Hau Chen, Yen-Ming Chen
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Publication number: 20240071956Abstract: Semiconductor structures and methods for forming the same are provided. A method according to the present disclosure includes forming active regions on a substrate, forming an interconnect structure over the active regions, the interconnect structure including a plurality of dielectric layers and a guard ring disposed within the dielectric layers, etching an opening through the interconnect structure and at least a first portion of the active regions, the opening extending into the substrate, and forming a via structure within the opening. The via structure is surrounded by the guard ring when viewed along a direction perpendicular to a top surface of the substrate.Type: ApplicationFiled: April 21, 2023Publication date: February 29, 2024Inventors: Chih Hsin YANG, Yen Lian LAI, Dian-Hau CHEN, Mao-Nan WANG
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Patent number: 11855132Abstract: Semiconductor devices and methods of forming the same are provided. In one embodiment, a semiconductor device includes a contact feature in a first dielectric layer, a first passivation layer over the contact feature, a bottom conductor plate layer disposed over the first passivation layer and including a first plurality of sublayers, a second dielectric layer over the bottom conductor plate layer, a middle conductor plate layer disposed over the second dielectric layer and including a second plurality of sublayers, a third dielectric layer over the middle conductor plate layer, a top conductor plate layer disposed over the third dielectric layer and including a third plurality of sublayers, and a second passivation layer over the top conductor plate layer.Type: GrantFiled: July 8, 2022Date of Patent: December 26, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Hsiang-Ku Shen, Dian-Hau Chen
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Patent number: 11855022Abstract: Semiconductor device packages and method are provided. A semiconductor device package according to the present disclosure includes a substrate including a first region, a passive device disposed over the first region of the substrate, a contact pad disposed over the passive device, a passivation layer disposed over the contact pad, a recess through the passivation layer, and an under-bump metallization (UBM) layer. The recess exposes the contact pad and the UBM layer includes an upper portion disposed over the passivation layer and a lower portion disposed over a sidewall of the recess. A projection of the upper portion of the UBM layer along a direction perpendicular to the substrate falls within an area of the contact pad.Type: GrantFiled: June 30, 2022Date of Patent: December 26, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chih-Fan Huang, Hui-Chi Chen, Kuo-Chin Chang, Chien-Huang Yeh, Hong-Seng Shue, Dian-Hau Chen, Yen-Ming Chen
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Patent number: 11842959Abstract: Semiconductor devices, integrated circuits and methods of forming the same are provided. In one embodiment, a semiconductor device includes a metal-insulator-metal structure which includes a bottom conductor plate layer including a first opening and a second opening, a first dielectric layer over the bottom conductor plate layer, a middle conductor plate layer over the first dielectric layer and including a third opening, a first dummy plate disposed within the third opening, and a fourth opening, a second dielectric layer over the middle conductor plate layer, and a top conductor plate layer over the second dielectric layer and including a fifth opening, a second dummy plate disposed within the fifth opening, a sixth opening, and a third dummy plate disposed within the sixth opening. The first opening, the first dummy plate, and the second dummy plate are vertically aligned.Type: GrantFiled: September 3, 2021Date of Patent: December 12, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yuan-Yang Hsiao, Hsiang-Ku Shen, Dian-Hau Chen
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Publication number: 20230395487Abstract: Passive devices are provided. In an embodiment, a passive device includes a substrate comprising a first region and a second region, a first lower contact feature and a second lower contact feature in a dielectric layer and directly over the first region and the second region, respectively, a first vertical stack of conductive features disposed over the first region, a metal-insulator-metal (MIM) capacitor disposed over the second region and comprising a vertical stack of conductor plates, a first contact via extending through the first vertical stack of conductive features and electrically coupled to the first lower contact feature, and a second contact via extending through a portion of the vertical stack of conductor plates and electrically coupled to the second lower contact feature. A number of conductive features penetrated by the first contact via is different than a number of conductor plates penetrated by the second contact via.Type: ApplicationFiled: June 3, 2022Publication date: December 7, 2023Inventors: Mao-Nan Wang, Yuan-Yang Hsiao, Chen-Chiu Huang, Dian-Hau Chen
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Publication number: 20230395486Abstract: A method of forming semiconductor device includes forming interconnect structure over substrate; forming first passivation layer over the interconnect structure, and metal-insulator-metal capacitor in the first passivation layer; forming first redistribution layer including first pads over the first passivation layer, and first vias extending into the first passivation layer; conformally forming second passivation layer over the first redistribution layer and first passivation layer, and patterning the second passivation layer to form via openings exposing the first pads; forming second redistribution layer including second pads over the second passivation layer, and second vias in the first via openings, wherein the first and second redistribution layers include aluminum-copper alloy and copper, respectively; forming dielectric layer over the second redistribution layer, and patterning the dielectric layer to form via openings exposing some second pads; and forming bumps over the dielectric layer and in theType: ApplicationFiled: June 1, 2022Publication date: December 7, 2023Inventors: Tsung-Chieh HSIAO, Liang-Wei WANG, Dian-Hau CHEN
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Publication number: 20230395586Abstract: A semiconductor structure and processes of forming the same are provided. A semiconductor structure according to the present disclosure includes a first die having a front surface and a back surface and a second die bonded to the back surface of the first die. The first die includes a plurality of trenches adjacent the back surface and the plurality of trenches are filled with a liquid.Type: ApplicationFiled: June 2, 2022Publication date: December 7, 2023Inventors: Tsung-Chieh Hsiao, Chih Hsin Yang, Liang-Wei Wang, Dian-Hau Chen
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Publication number: 20230386996Abstract: A device structure according to the present disclosure includes a passivation layer, a first conductor plate layer disposed on the passivation layer, a second conductor plate layer disposed over the first conductor layer, a third conductor plate layer disposed over the second conductor layer, and a fourth conductor plate layer disposed over the third conductor layer. The second conductor plate layer encloses the first conductor plate layer and the fourth conductor plate layer encloses the third conductor plate layer. The device structure, when used in a back-end-of-line passive device, reduces leakage and breakdown due to corner discharge effect.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: Tsung-Chieh Hsiao, Hsiang-Ku Shen, Yuan-Yang Hsiao, Chen-Chiu Huang, Dian-Hau Chen
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Publication number: 20230387183Abstract: Semiconductor structures and methods of forming the same are provided. A method according to an embodiment includes forming a conductive feature and a first conductive plate over a substrate, conformally depositing a dielectric layer over the conductive feature and the first conductive plate, conformally depositing a conductive layer over the conductive feature and the first conductive plate, and patterning the conductive layer to form a second conductive plate over the first conductive plate and a resistor, the resistor includes a conductive line extending along a sidewall of the conductive feature. By employing the method, a high-resistance resistor may be formed along with a capacitor regardless of the resolution limit of, for example, lithography.Type: ApplicationFiled: July 25, 2023Publication date: November 30, 2023Inventors: Chih-Fan Huang, Hsiang-Ku Shen, Dian-Hau Chen, Yen-Ming Chen