Patents by Inventor Chih-Yuan Ting
Chih-Yuan Ting 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).
-
Patent number: 11961761Abstract: One or more techniques or systems for mitigating pattern collapse are provided herein. For example, a semiconductor structure for mitigating pattern collapse is formed. In some embodiments, the semiconductor structure includes an extreme low-k (ELK) dielectric region associated with a via or a metal line. For example, a first metal line portion and a second metal line portion are associated with a first lateral location and a second lateral location, respectively. In some embodiments, the first portion is formed based on a first stage of patterning and the second portion is formed based on a second stage of patterning. In this manner, pattern collapse associated with the semiconductor structure is mitigated, for example.Type: GrantFiled: March 15, 2021Date of Patent: April 16, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Chih-Yuan Ting, Ya-Lien Lee, Chung-Wen Wu, Jeng-Shiou Chen
-
Publication number: 20240023457Abstract: An integrated circuit includes a metallization pattern having first and second conductive features, an etch stop layer over the metallization pattern, a memory device, a bottom electrode via, a third conductive feature, and a dielectric feature. The etch stop layer has first and second portions over the first and second conductive features, respectively. The bottom electrode via is in the first portion of the etch stop layer and electrically connecting the memory device over the first portion of the etch stop layer to the first conductive feature. The third conductive feature is in the second portion of the etch stop layer and electrically connected to the second conductive feature. The dielectric feature is between the first and second portions of the etch stop layer and in contact with sidewalls of the first and second portions of the etch stop layer.Type: ApplicationFiled: July 28, 2023Publication date: January 18, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Tai-Yen PENG, Chien-Chung HUANG, Yu-Shu CHEN, Sin-Yi YANG, Chen-Jung WANG, Han-Ting LIN, Chih-Yuan TING, Jyu-Horng SHIEH, Hui-Hsien WEI
-
Patent number: 11800812Abstract: An integrated circuit includes a dielectric layer, a memory device, and a resistor. The memory device includes a bottom electrode via, a bottom electrode, a resistance switching element, and a top electrode. The bottom electrode via is in the dielectric layer. The dielectric layer has a first portion extending along sidewalls of the bottom electrode via, a second portion extending laterally from the first portion, and a third portion. The bottom electrode is over the bottom electrode via. The resistance switching element is over the bottom electrode. The top electrode is over the resistance switching element. The resistor is over the third portion of the dielectric layer. A thickness of the third portion of the dielectric layer is greater than a thickness of the second portion of the dielectric layer.Type: GrantFiled: March 7, 2022Date of Patent: October 24, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Tai-Yen Peng, Chien-Chung Huang, Yu-Shu Chen, Sin-Yi Yang, Chen-Jung Wang, Han-Ting Lin, Chih-Yuan Ting, Jyu-Horng Shieh, Hui-Hsien Wei
-
Publication number: 20230263068Abstract: A method of forming integrated circuits includes forming Magnetic Tunnel Junction (MTJ) stack layers, depositing a conductive etch stop layer over the MTJ stack layers, depositing a conductive hard mask over the conductive etch stop layer, and patterning the conductive hard mask to form etching masks. The patterning is stopped by the conductive etch stop layer. The method further includes etching the conducive etch stop layer using the etching masks to define patterns, and etching the MTJ stack layers to form MTJ stacks.Type: ApplicationFiled: April 19, 2023Publication date: August 17, 2023Inventors: Tai-Yen Peng, Sin-Yi Yang, Chen-Jung Wang, Yu-Shu Chen, Chien Chung Huang, Han-Ting Lin, Jyu-Horng Shieh, Chih-Yuan Ting
-
Patent number: 11721624Abstract: The present disclosure is directed to a semiconductor structure that includes a semiconductor substrate. A first interconnect layer is disposed over the semiconductor substrate. The first interconnect layer includes a first dielectric material having a conductive body embedded therein. The conductive body includes a first sidewall, a second sidewall, and a bottom surface. A spacer element has a sidewall which contacts the first sidewall of the conductive body and which contacts the bottom surface of the conductive body. A second interconnect layer overlies the first interconnect layer and includes a second dielectric material with at least one via therein. The at least one via is filled with a conductive material which is electrically coupled to the conductive body of the first interconnect layer.Type: GrantFiled: November 19, 2020Date of Patent: August 8, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chih-Yuan Ting, Chung-Wen Wu
-
Patent number: 11682580Abstract: An interconnect structure and a method of forming an interconnect structure are disclosed. The interconnect structure includes a lower etch stop layer (ESL); a middle low-k (LK) dielectric layer over the lower ESL; a supporting layer over the middle LK dielectric layer; an upper LK dielectric layer over the supporting layer; an upper conductive feature in the upper LK dielectric layer, wherein the upper conductive feature is through the supporting layer; a gap along an interface of the upper conductive feature and the upper LK dielectric layer; and an upper ESL over the upper LK dielectric layer, the upper conductive feature, and the gap.Type: GrantFiled: August 9, 2021Date of Patent: June 20, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jeng-Shiou Chen, Chih-Yuan Ting
-
Patent number: 11665971Abstract: A method of forming integrated circuits includes forming Magnetic Tunnel Junction (MTJ) stack layers, depositing a conductive etch stop layer over the MTJ stack layers, depositing a conductive hard mask over the conductive etch stop layer, and patterning the conductive hard mask to form etching masks. The patterning is stopped by the conductive etch stop layer. The method further includes etching the conducive etch stop layer using the etching masks to define patterns, and etching the MTJ stack layers to form MTJ stacks.Type: GrantFiled: August 23, 2021Date of Patent: May 30, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Tai-Yen Peng, Sin-Yi Yang, Chen-Jung Wang, Yu-Shu Chen, Chien Chung Huang, Han-Ting Lin, Jyu-Horng Shieh, Chih-Yuan Ting
-
Publication number: 20220359274Abstract: A via opening including an etch stop layer (ESL) opening and methods of forming the same are provided which can be used in the back end of line (BEOL) process of IC fabrication. A metal feature is provided with a first part within a dielectric layer and with a top surface. An ESL is formed with a bottom surface of the ESL above and in contact with the dielectric layer, and a top surface of the ESL above the bottom surface of the ESL. An opening at the ESL is formed exposing the top surface of the metal feature; wherein the opening at the ESL has a bottom edge of the opening above the bottom surface of the ESL, a first sidewall of the opening at a first side of the metal feature, and a second sidewall of the opening at a second side of the metal feature.Type: ApplicationFiled: July 20, 2022Publication date: November 10, 2022Inventors: Chung-Wen Wu, Chih-Yuan Ting, Jyu-Horng Shieh
-
Publication number: 20220344204Abstract: An interconnect structure, along with methods of forming such, are described. In some embodiments, the method includes forming a first dielectric layer over one or more devices, forming a first conductive feature in the first dielectric layer, and forming two dielectric features over the first dielectric layer and the first conductive feature. At least one of the two dielectric features has a first width, and each dielectric feature includes a first low-k dielectric layer, an oxide layer, and a first etch stop layer. The method further includes forming a second conductive feature between the two dielectric features, and the second conductive feature has a second width substantially the same as the first width.Type: ApplicationFiled: September 13, 2021Publication date: October 27, 2022Inventors: Yu-An CHEN, I-Chang LEE, Chih-Yuan TING
-
Patent number: 11398405Abstract: A via opening including an etch stop layer (ESL) opening and methods of forming the same are provided which can be used in the back end of line (BEOL) process of IC fabrication. A metal feature is provided with a first part within a dielectric layer and with a top surface. An ESL is formed with a bottom surface of the ESL above and in contact with the dielectric layer, and a top surface of the ESL above the bottom surface of the ESL. An opening at the ESL is formed exposing the top surface of the metal feature; wherein the opening at the ESL has a bottom edge of the opening above the bottom surface of the ESL, a first sidewall of the opening at a first side of the metal feature, and a second sidewall of the opening at a second side of the metal feature.Type: GrantFiled: September 12, 2019Date of Patent: July 26, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chung-Wen Wu, Chih-Yuan Ting, Jyu-Horng Shieh
-
Publication number: 20220190237Abstract: An integrated circuit includes a dielectric layer, a memory device, and a resistor. The memory device includes a bottom electrode via, a bottom electrode, a resistance switching element, and a top electrode. The bottom electrode via is in the dielectric layer. The dielectric layer has a first portion extending along sidewalls of the bottom electrode via, a second portion extending laterally from the first portion, and a third portion. The bottom electrode is over the bottom electrode via. The resistance switching element is over the bottom electrode. The top electrode is over the resistance switching element. The resistor is over the third portion of the dielectric layer. A thickness of the third portion of the dielectric layer is greater than a thickness of the second portion of the dielectric layer.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Tai-Yen PENG, Chien-Chung HUANG, Yu-Shu CHEN, Sin-Yi YANG, Chen-Jung WANG, Han-Ting LIN, Chih-Yuan TING, Jyu-Horng SHIEH, Hui-Hsien WEI
-
Patent number: 11355642Abstract: Methods for manufacturing semiconductor structures are provided. The method includes forming a first masking layer over a substrate and forming a second masking layer over the first masking layer. The method includes forming a photoresist pattern over the second masking layer and patterning the second masking layer through the photoresist pattern. The method further includes diminishing the photoresist pattern and patterning the second masking layer and the first masking layer through the diminished photoresist pattern. The method further includes removing the diminished photoresist pattern and patterning the semiconductor substrate through the second masking layer and the first masking layer to form a fin structure. The method further includes forming a gate structure over the fin structure.Type: GrantFiled: October 18, 2019Date of Patent: June 7, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTDInventors: Ju-Wang Hsu, Chih-Yuan Ting, Tang-Xuan Zhong, Yi-Nien Su, Jang-Shiang Tsai
-
Patent number: 11271150Abstract: An integrated circuit is provided. The integrated circuit includes a metallization pattern, a dielectric layer, and plural memory devices. The metallization pattern has plural first conductive features and a second conductive feature. The dielectric layer is over the metallization pattern, in which the dielectric layer has a first portion over the first conductive features and a second portion over the second conductive feature. The memory devices are at least partially in the first portion of the dielectric layer and respectively connected with the first conductive features. The first portion of the dielectric layer has a plurality of side parts respectively surrounding the memory devices and an extending part connecting the side parts to each other, and a thickness of the second portion is greater than a thickness of the extending part of the first portion of the dielectric layer.Type: GrantFiled: May 4, 2020Date of Patent: March 8, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Tai-Yen Peng, Chien-Chung Huang, Yu-Shu Chen, Sin-Yi Yang, Chen-Jung Wang, Han-Ting Lin, Chih-Yuan Ting, Jyu-Horng Shieh, Hui-Hsien Wei
-
Publication number: 20210384418Abstract: A method of forming integrated circuits includes forming Magnetic Tunnel Junction (MTJ) stack layers, depositing a conductive etch stop layer over the MTJ stack layers, depositing a conductive hard mask over the conductive etch stop layer, and patterning the conductive hard mask to form etching masks. The patterning is stopped by the conductive etch stop layer. The method further includes etching the conducive etch stop layer using the etching masks to define patterns, and etching the MTJ stack layers to form MTJ stacks.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Inventors: Tai-Yen Peng, Sin-Yi Yang, Chen-Jung Wang, Yu-Shu Chen, Chien Chung Huang, Han-Ting Lin, Jyu-Horng Shieh, Chih-Yuan Ting
-
Publication number: 20210366766Abstract: An interconnect structure and a method of forming an interconnect structure are disclosed. The interconnect structure includes a lower etch stop layer (ESL); a middle low-k (LK) dielectric layer over the lower ESL; a supporting layer over the middle LK dielectric layer; an upper LK dielectric layer over the supporting layer; an upper conductive feature in the upper LK dielectric layer, wherein the upper conductive feature is through the supporting layer; a gap along an interface of the upper conductive feature and the upper LK dielectric layer; and an upper ESL over the upper LK dielectric layer, the upper conductive feature, and the gap.Type: ApplicationFiled: August 9, 2021Publication date: November 25, 2021Inventors: Jeng-Shiou Chen, Chih-Yuan Ting
-
Patent number: 11158509Abstract: A method for semiconductor manufacturing includes providing a substrate, forming a patterning layer over the substrate, and patterning the patterning layer to form a hole in the patterning layer. The method also includes applying a first directional etching to two inner sidewalls of the hole to expand the hole along a first direction and applying a second directional etching to another two inner sidewalls of the hole to expand the hole along a second direction that is different from the first direction.Type: GrantFiled: May 19, 2020Date of Patent: October 26, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yu-Tien Shen, Chi-Cheng Hung, Chin-Hsiang Lin, Chien-Wei Wang, Ching-Yu Chang, Chih-Yuan Ting, Kuei-Shun Chen, Ru-Gun Liu, Wei-Liang Lin, Ya Hui Chang, Yuan-Hsiang Lung, Yen-Ming Chen, Yung-Sung Yen
-
Publication number: 20210313396Abstract: A semiconductor device includes a substrate; a memory array over the substrate, the memory array including first magnetic tunnel junctions (MTJs), where the first MTJs are in a first dielectric layer over the substrate; and a resistor circuit over the substrate, the resistor circuit including second MTJs, where the second MTJs are in the first dielectric layer.Type: ApplicationFiled: June 14, 2021Publication date: October 7, 2021Inventors: Tai-Yen Peng, Tsung-Hsien Chang, Yu-Shu Chen, Chih-Yuan Ting, Jyu-Horng Shieh, Chung-Te Lin
-
Patent number: 11127630Abstract: A method includes forming a metallic layer over a Metal-Oxide-Semiconductor (MOS) device, forming reverse memory posts over the metallic layer, and etching the metallic layer using the reverse memory posts as an etching mask. The remaining portions of the metallic layer include a gate contact plug and a source/drain contact plug. The reverse memory posts are then removed. After the gate contact plug and the source/drain contact plug are formed, an Inter-Level Dielectric (ILD) is formed to surround the gate contact plug and the source/drain contact plug.Type: GrantFiled: October 17, 2019Date of Patent: September 21, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chih-Yuan Ting, Jyu-Horng Shieh
-
Patent number: 11101429Abstract: A method of forming integrated circuits includes forming Magnetic Tunnel Junction (MTJ) stack layers, depositing a conductive etch stop layer over the MTJ stack layers, depositing a conductive hard mask over the conductive etch stop layer, and patterning the conductive hard mask to form etching masks. The patterning is stopped by the conductive etch stop layer. The method further includes etching the conducive etch stop layer using the etching masks to define patterns, and etching the MTJ stack layers to form MTJ stacks.Type: GrantFiled: April 1, 2019Date of Patent: August 24, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tai-Yen Peng, Sin-Yi Yang, Chen-Jung Wang, Yu-Shu Chen, Chien Chung Huang, Han-Ting Lin, Jyu-Horng Shieh, Chih-Yuan Ting
-
Patent number: 11088021Abstract: An interconnect structure and a method of forming an interconnect structure are disclosed. The interconnect structure includes a lower etch stop layer (ESL); a middle low-k (LK) dielectric layer over the lower ESL; a supporting layer over the middle LK dielectric layer; an upper LK dielectric layer over the supporting layer; an upper conductive feature in the upper LK dielectric layer, wherein the upper conductive feature is through the supporting layer; a gap along an interface of the upper conductive feature and the upper LK dielectric layer; and an upper ESL over the upper LK dielectric layer, the upper conductive feature, and the gap.Type: GrantFiled: May 26, 2020Date of Patent: August 10, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jeng-Shiou Chen, Chih-Yuan Ting