Patents by Inventor I-Ming Tseng

I-Ming Tseng 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).

  • Publication number: 20200227625
    Abstract: A magneto-resistive random access memory (MRAM) cell includes a substrate having a dielectric layer disposed thereon, a conductive via disposed in the dielectric layer, and a cylindrical stack disposed on the conductive via. The cylindrical stack includes a bottom electrode, a magnetic tunneling junction (MTJ) layer on the bottom electrode, and a top electrode on the MTJ layer. A spacer layer is disposed on a sidewall of the cylindrical stack. The top electrode protrudes from a top surface of the spacer layer.
    Type: Application
    Filed: January 29, 2019
    Publication date: July 16, 2020
    Inventors: Hui-Lin Wang, Yi-Wei Tseng, Meng-Jun Wang, Chen-Yi Weng, Chin-Yang Hsieh, Jing-Yin Jhang, Yu-Ping Wang, Chien-Ting Lin, Ying-Cheng Liu, Yi-An Shih, Yi-Hui Lee, I-Ming Tseng
  • Publication number: 20200227473
    Abstract: An MRAM structure includes a dielectric layer. A contact hole is disposed in the dielectric layer. A contact plug fills in the contact hole and protrudes out of the dielectric layer. The contact plug includes a lower portion and an upper portion. The lower portion fills in the contact hole. The upper portion is outside of the contact hole. The upper portion has a top side and a bottom side greater than the top side. The top side and the bottom side are parallel. The bottom side is closer to the contact hole than the top side. An MRAM is disposed on the contact hole and contacts the contact plug.
    Type: Application
    Filed: February 19, 2019
    Publication date: July 16, 2020
    Inventors: Yi-Hui Lee, I-Ming Tseng, Ying-Cheng Liu, Yi-An Shih, Yu-Ping Wang
  • Publication number: 20200185597
    Abstract: A memory device includes an insulation layer, a memory cell region and an alignment mark region are defined on the insulation layer, an interconnection structure disposed in the insulation layer, a dielectric layer disposed on the insulation layer and the interconnection structure, the dielectric layer is disposed within the memory cell region and the alignment mark region, a conductive via plug disposed on the interconnection structure within the memory cell region, the conductive via plug has a concave top surface, an alignment mark trench penetrating the dielectric layer within the alignment mark region, a bottom electrode disposed on the conductive via plug within the memory cell region and disposed in the alignment mark trench within the alignment mark region, and a magnetic tunnel junction (MTJ) structure disposed on the bottom electrode within the memory cell region and disposed in the alignment mark trench within the alignment mark region.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 11, 2020
    Inventors: Kun-Ju Li, Hsin-Jung Liu, I-Ming Tseng, Chau-Chung Hou, Yu-Lung Shih, Fu-Chun Hsiao, Hui-Lin Wang, Tzu-Hsiang Hung, Chih-Yueh Li, Ang Chan, Jing-Yin Jhang
  • Publication number: 20200176331
    Abstract: A semiconductor device includes a fin-shaped structure on a substrate, a single diffusion break (SDB) structure in the fin-shaped structure to divide the fin-shaped structure into a first portion and a second portion, and a gate structure on the SDB structure. Preferably, the SDB structure includes silicon oxycarbonitride (SiOCN), a concentration portion of oxygen in SiOCN is between 30% to 60%, and the gate structure includes a metal gate.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 4, 2020
    Inventors: Fu-Jung Chuang, Ching-Ling Lin, Po-Jen Chuang, Yu-Ren Wang, Wen-An Liang, Chia-Ming Kuo, Guan-Wei Huang, Yuan-Yu Chung, I-Ming Tseng
  • Patent number: 10672979
    Abstract: A method for fabricating semiconductor device includes the steps of: forming an inter-metal dielectric (IMD) layer on a substrate; forming a metal interconnection in the IMD layer; forming a bottom electrode layer on the IMD layer; forming a cap layer on the bottom electrode layer; and removing part of the cap layer, part of the bottom electrode layer, and part of the IMD layer to form a trench.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: June 2, 2020
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-An Shih, I-Ming Tseng, Yi-Hui Lee, Ying-Cheng Liu, Yu-Ping Wang
  • Patent number: 10658458
    Abstract: A method of forming a semiconductor structure is disclosed. A fin structure is formed on a substrate and a trench is formed in the fin structure. The trench has a top corner, an upper portion having an upper sidewall and a lower portion having a lower sidewall. A first dielectric layer is then formed on the substrate and fills the lower portion of the trench. After that, a second dielectric layer is formed on the substrate and covers the top corner and the upper sidewall of the trench. The second dielectric layer also covers an upper surface of the first dielectric layer.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: May 19, 2020
    Assignee: UNITED MICROELECTRONCIS CORP.
    Inventors: I-Ming Tseng, Chun-Hsien Lin, Wen-An Liang
  • Patent number: 10631638
    Abstract: A slide rail assembly includes a first rail, a second rail, and a reinforcing structure. The first rail includes a front end portion and a rear end portion. The second rail is displaceable with respect to the first rail. The reinforcing structure is located at the second rail. A portion of the reinforcing structure protrudes beyond the front end portion of the first rail when the second rail is displaced from a first position to a second position with respect to the first rail.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: April 28, 2020
    Assignees: King Slide Works Co., Ltd., King Slide Technology Co., Ltd.
    Inventors: Ken-Ching Chen, Shun-Ho Yang, I-Ming Tseng, Chun-Chiang Wang
  • Patent number: 10607897
    Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a first region and a second region; forming a first fin-shaped structure on the first region; removing part of the first fin-shaped structure to form a first trench; forming a dielectric layer in the first trench, wherein the dielectric layer comprises silicon oxycarbonitride (SiOCN); and planarizing the dielectric layer to form a first single diffusion break (SDB) structure.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: March 31, 2020
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Fu-Jung Chuang, Ching-Ling Lin, Po-Jen Chuang, Yu-Ren Wang, Wen-An Liang, Chia-Ming Kuo, Guan-Wei Huang, Yuan-Yu Chung, I-Ming Tseng
  • Publication number: 20200035568
    Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a first region and a second region; forming a first fin-shaped structure on the first region; removing part of the first fin-shaped structure to form a first trench; forming a dielectric layer in the first trench, wherein the dielectric layer comprises silicon oxycarbonitride (SiOCN); and planarizing the dielectric layer to form a first single diffusion break (SDB) structure.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 30, 2020
    Inventors: Fu-Jung Chuang, Ching-Ling Lin, Po-Jen Chuang, Yu-Ren Wang, Wen-An Liang, Chia-Ming Kuo, Guan-Wei Huang, Yuan-Yu Chung, I-Ming Tseng
  • Patent number: 10475709
    Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a first region and a second region; forming a first fin-shaped structure on the first region; removing part of the first fin-shaped structure to forma first trench; forming a dielectric layer in the first trench, wherein the dielectric layer comprises silicon oxycarbonitride (SiOCN); and planarizing the dielectric layer to form a first single diffusion break (SDB) structure.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: November 12, 2019
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Fu-Jung Chuang, Ching-Ling Lin, Po-Jen Chuang, Yu-Ren Wang, Wen-An Liang, Chia-Ming Kuo, Guan-Wei Huang, Yuan-Yu Chung, I-Ming Tseng
  • Publication number: 20180331177
    Abstract: A method of forming a semiconductor structure is disclosed. A fin structure is formed on a substrate and a trench is formed in the fin structure. The trench has a top corner, an upper portion having an upper sidewall and a lower portion having a lower sidewall. A first dielectric layer is then formed on the substrate and fills the lower portion of the trench. After that, a second dielectric layer is formed on the substrate and covers the top corner and the upper sidewall of the trench. The second dielectric layer also covers an upper surface of the first dielectric layer.
    Type: Application
    Filed: July 5, 2018
    Publication date: November 15, 2018
    Inventors: I-Ming Tseng, Chun-Hsien Lin, Wen-An Liang
  • Patent number: 10090398
    Abstract: A method of fabricating a patterned structure of a semiconductor device includes the following steps: providing a substrate having a target layer thereon; forming a patterned sacrificial layer on the target layer, wherein the patterned sacrificial layer consists of a plurality of sacrificial features; forming spacers respectively on sidewalls of each of the sacrificial features, wherein all of the spacers are arranged to have a layout pattern; and transferring the layout pattern to the target layer so as to form a first feature and a second feature, wherein the first feature comprises a vertical segment and a horizontal segment, the second feature comprises a vertical segment and a horizontal segment, and a distance between the vertical segment of the first feature and the vertical segment of the second feature is less than a minimum feature size generated by an exposure apparatus.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: October 2, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Rai-Min Huang, I-Ming Tseng, Tong-Jyun Huang, Kuan-Hsien Li
  • Patent number: 10043868
    Abstract: A semiconductor structure and method of forming the same. The semiconductor structure includes a fin structure formed on a substrate and an isolation structure formed therein. The isolation structure includes a trench with a concave upper sidewall, a straight lower sidewall and a rounded top corner. A first dielectric layer fills a lower portion of the trench. A second dielectric layer covers a top surface of the first dielectric layer, the concave upper sidewall and the rounded top corner of the trench.
    Type: Grant
    Filed: August 28, 2016
    Date of Patent: August 7, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: I-Ming Tseng, Chun-Hsien Lin, Wen-An Liang
  • Patent number: 10032675
    Abstract: The present invention further provides a method for forming a semiconductor device, comprising: first, a substrate having a fin structure disposed thereon is provided, wherein the fin structure has a trench, next, a first liner in the trench is formed, a first insulating layer is formed on the first liner, afterwards, a shallow trench isolation is formed in the substrate and surrounding the fin structure, wherein a bottom surface of the shallow trench isolation is higher than a bottom surface of the first insulating layer, and a top surface of the shallow trench isolation is lower than a top surface of the first insulating layer, and a dummy gate structure is formed on the first insulating layer and disposed above the trench, wherein a bottom surface of the dummy gate structure and a top surface of the fin structure are on a same level.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: July 24, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: I-Ming Tseng, Wen-An Liang, Chen-Ming Huang
  • Publication number: 20180103757
    Abstract: A slide rail assembly includes a first rail, a second rail, and a reinforcing structure. The first rail includes a front end portion and a rear end portion. The second rail is displaceable with respect to the first rail. The reinforcing structure is located at the second rail. A portion of the reinforcing structure protrudes beyond the front end portion of the first rail when the second rail is displaced from a first position to a second position with respect to the first rail.
    Type: Application
    Filed: June 6, 2017
    Publication date: April 19, 2018
    Inventors: KEN-CHING CHEN, SHUN-HO YANG, I-MING TSENG, CHUN-CHIANG WANG
  • Publication number: 20180040694
    Abstract: A semiconductor structure and method of forming the same. The semiconductor structure includes a fin structure formed on a substrate and an isolation structure formed therein. The isolation structure includes a trench with a concave upper sidewall, a straight lower sidewall and a rounded top corner. A first dielectric layer fills a lower portion of the trench.
    Type: Application
    Filed: August 28, 2016
    Publication date: February 8, 2018
    Inventors: I-Ming Tseng, Chun-Hsien Lin, Wen-An Liang
  • Patent number: 9859147
    Abstract: A fin structure cutting process includes the following steps. Four fin structures are formed in a substrate, where the four fin structures including a first fin structure, a second fin structure, a third fin structure and a fourth fin structure are arranged sequentially and parallel to each other. A first fin structure cutting process is performed to remove top parts of the second fin structure and the third fin structure, thereby a first bump being formed from the second fin structure, and a second bump being formed from the third fin structure. A second fin structure cutting process is performed to remove the second bump and the fourth fin structure completely, but to preserve the first bump beside the first fin structure. Moreover, the present invention provides a fin structure formed by said process.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: January 2, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Tong-Jyun Huang, Rai-Min Huang, I-Ming Tseng, Kuan-Hsien Li, Chen-Ming Huang
  • Patent number: 9824931
    Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having a fin-shaped structure thereon; forming a first shallow trench isolation (STI) around the fin-shaped structure; dividing the fin-shaped structure into a first portion and a second portion; and forming a second STI between the first portion and the second portion.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: November 21, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: I-Ming Tseng, Wen-An Liang, Chen-Ming Huang
  • Publication number: 20170309727
    Abstract: A method of fabricating a patterned structure of a semiconductor device includes the following steps: providing a substrate having a target layer thereon; forming a patterned sacrificial layer on the target layer, wherein the patterned sacrificial layer consists of a plurality of sacrificial features; forming spacers respectively on sidewalls of each of the sacrificial features, wherein all of the spacers are arranged to have a layout pattern; and transferring the layout pattern to the target layer so as to form a first feature and a second feature, wherein the first feature comprises a vertical segment and a horizontal segment, the second feature comprises a vertical segment and a horizontal segment, and a distance between the vertical segment of the first feature and the vertical segment of the second feature is less than a minimum feature size generated by an exposure apparatus.
    Type: Application
    Filed: July 12, 2017
    Publication date: October 26, 2017
    Inventors: Rai-Min Huang, I-Ming Tseng, Tong-Jyun Huang, Kuan-Hsien Li
  • Patent number: 9786502
    Abstract: A method for forming fin structure includes following steps. A substrate is provided. A first mandrel and a plurality of second mandrels are formed on the substrate simultaneously. A plurality of spacers are respectively formed on sidewalls of the first mandrel and the second mandrels and followed by removing the first mandrel and the second mandrels to form a first spacer pattern and a plurality of second spacer patterns. Then the substrate is etched to simultaneously form at least a first fin and a plurality of second fins on the substrate with the first spacer pattern and the second spacer patterns serving as an etching mask. At least one of the second fins is immediately next to the first fin, and a fin width of the first fin is larger than a fin width of the second fins. Then, the second fins are removed from the substrate.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: October 10, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Kuan-Hsien Li, Rai-Min Huang, I-Ming Tseng, Wen-An Liang, Chen-Ming Huang