Patents by Inventor Fu-Che Lee

Fu-Che Lee 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: 20240145132
    Abstract: An over-current protection device includes first and second electrode layers and a PTC material layer laminated therebetween. The PTC material layer includes a polymer matrix, and a conductive filler. The polymer matrix has a fluoropolymer. The total volume of the PTC material layer is calculated as 100%, and the fluoropolymer accounts for 47-62% by volume of the PTC material layer. The fluoropolymer has a melt viscosity higher than 3000 Pa·s.
    Type: Application
    Filed: March 16, 2023
    Publication date: May 2, 2024
    Inventors: CHENG-YU TUNG, CHEN-NAN LIU, Chia-Yuan Lee, HSIU-CHE YEN, YUNG-HSIEN CHANG, Yao-Te Chang, FU-HUA CHU
  • Publication number: 20240145133
    Abstract: An over-current protection device includes a first metal layer, a second metal layer and a heat-sensitive layer laminated therebetween. The heat-sensitive layer exhibits a positive temperature coefficient (PTC) characteristic and includes a polymer matrix and a first conductive filler. The polymer matrix includes a polyolefin-based polymer and a fluoropolymer. The fluoropolymer has a melt flow index higher than 1.9 g/10 min, and the polyolefin-based polymer and the fluoropolymer together form an interpenetrating polymer network (IPN). The first conductive filler has a metal-ceramic compound dispersed in the polymer matrix.
    Type: Application
    Filed: April 5, 2023
    Publication date: May 2, 2024
    Inventors: CHEN-NAN LIU, YUNG-HSIEN CHANG, CHENG-YU TUNG, HSIU-CHE YEN, Chia-Yuan LEE, Yao-Te CHANG, FU-HUA CHU
  • Publication number: 20240127988
    Abstract: An over-current protection device includes a first metal layer, a second metal layer and a heat-sensitive layer laminated therebetween. The heat-sensitive layer exhibits a positive temperature coefficient (PTC) characteristic and includes a first polymer and a conductive filler. The first polymer consists of polyvinylidene difluoride (PVDF), and PVDF exists in different phases such as ?-PVDF, ?-PVDF and ?-PVDF. The total amount of ?-PVDF, ?-PVDF and ?-PVDF is calculated as 100%, and the amount of ?-PVDF accounts for 48% to 55%. The conductive filler has a metal-ceramic compound.
    Type: Application
    Filed: March 2, 2023
    Publication date: April 18, 2024
    Inventors: HSIU-CHE YEN, YUNG-HSIEN CHANG, CHENG-YU TUNG, Chia-Yuan Lee, CHEN-NAN LIU, Yao-Te Chang, FU-HUA CHU
  • Publication number: 20240127989
    Abstract: An over-current protection device includes a first metal layer, a second metal layer and a heat-sensitive layer laminated therebetween. The heat-sensitive layer exhibits a positive temperature coefficient (PTC) characteristic and includes a first polymer and a conductive filler. The first polymer consists of polyvinylidene difluoride (PVDF), and PVDF exists in different phases such as ?-PVDF, ?-PVDF and ?-PVDF. The total amount of ?-PVDF, ?-PVDF and ?-PVDF is calculated as 100%, and the amount of ?-PVDF accounts for 33% to 42%.
    Type: Application
    Filed: January 25, 2023
    Publication date: April 18, 2024
    Inventors: CHIA-YUAN LEE, CHENG-YU TUNG, HSIU-CHE YEN, CHEN-NAN LIU, YUNG-HSIEN CHANG, YAO-TE CHANG, FU-HUA CHU
  • Publication number: 20240130104
    Abstract: A semiconductor structure including a substrate, a first dielectric layer disposed on the substrate, a second dielectric layer disposed on the first dielectric layer and in physical contact with the first dielectric layer, an opening on the substrate and having a lower portion through the first dielectric layer and an upper portion through the second dielectric layer, an conductive layer disposed on the second dielectric layer at two sides of the opening and in physical contact with the second dielectric layer, a contact structure disposed in the lower portion of the opening, and a passivation layer covering a top surface of the contact structure, a sidewall of the second dielectric layer, and a sidewall of the conductive layer.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Applicant: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Yi-Wang Jhan, Fu-Che Lee, Gang-Yi Lin, An-Chi Liu, Yifei Yan, Yu-Cheng Tung
  • Patent number: 11943909
    Abstract: A semiconductor memory device and a method of forming the same are provided, with the semiconductor memory device including a substrate, a stacked structure, plural openings, plural flared portions and an electrode layer. The stacked structure is disposed on the substrate and includes alternately stacked oxide material layers and stacked nitride material layers. Each of the openings is disposed in the stacked structure, and each of the flared portions is disposed under each of the openings, in connection with each opening. The electrode layer is disposed on surfaces of each opening and each flared portion.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: March 26, 2024
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Feng-Yi Chang, Fu-Che Lee
  • Patent number: 11903181
    Abstract: A semiconductor structure includes a substrate comprising a peripheral region and a memory region defined thereon, a first dielectric layer disposed on the substrate, a second dielectric layer disposed on the first dielectric layer, an opening on the peripheral region of the substrate and having a lower portion through the first dielectric layer and an upper portion through the second dielectric layer, an interconnecting structure disposed on the second dielectric layer and two sides of the opening, a contact structure disposed in the lower portion of the opening, and a spacer covering a top surface of the contact structure, a sidewall of the second dielectric layer, and a sidewall of the interconnecting structure.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: February 13, 2024
    Assignee: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Yi-Wang Jhan, Fu-Che Lee, Gang-Yi Lin, An-Chi Liu, Yifei Yan, Yu-Cheng Tung
  • Patent number: 11882683
    Abstract: A method of forming a semiconductor memory device, the semiconductor memory device includes a plurality of active areas, a shallow trench isolation, a plurality of trenches and a plurality of gates. The active areas are defined on a semiconductor substrate, and surrounded by the shallow trench isolation. The trenches are disposed in the semiconductor substrate, penetrating through the active areas and the shallow trench isolation, wherein each of the trenches includes a bottom surface and a saddle portion protruded therefrom in each active areas. The gates are disposed in the trenches respectively.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: January 23, 2024
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Chien-Ming Lu, Fu-Che Lee, Chien-Cheng Tsai, Chiu-Fang Hsu
  • Publication number: 20230369215
    Abstract: A semiconductor memory device and a manufacturing method thereof are provided in the present invention. An under-cut structure is formed at an edge of a bit line contact opening in the process of forming the bit line contact opening for avoiding short problems caused by alignment shifting, and the process window of the process of forming the bit line contact opening may be improved accordingly.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 16, 2023
    Applicants: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Feng-Yi Chang, Shih-Fang Tzou, Fu-Che Lee, Chien-Cheng Tsai, Feng-Ming Huang
  • Patent number: 11769727
    Abstract: A semiconductor memory device and a manufacturing method thereof are provided in the present invention. An under-cut structure is formed at an edge of a bit line contact opening in the process of forming the bit line contact opening for avoiding short problems caused by alignment shifting, and the process window of the process of forming the bit line contact opening may be improved accordingly.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: September 26, 2023
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Feng-Yi Chang, Shih-Fang Tzou, Fu-Che Lee, Chien-Cheng Tsai, Feng-Ming Huang
  • Patent number: 11758710
    Abstract: A memory device includes a first electrode, a first support layer, a dielectric layer and a second electrode. The first electrode is disposed on a substrate and extending upwards. The first support layer laterally supports an upper portion of a sidewall of the first electrode, where the first support layer has a slim portion. The dielectric layer is disposed on the first electrode and the first support layer. The second electrode is disposed on the dielectric layer. In addition, a method of fabricating the memory device is provided.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: September 12, 2023
    Assignee: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Yi-Wang Jhan, Yu-Cheng Tung, Fu-Che Lee, Chien-Cheng Tsai, An-Chi Liu, Ming-Feng Kuo, Gang-Yi Lin, Junyi Zheng
  • Patent number: 11721552
    Abstract: A semiconductor device includes a substrate and a material disposed on the substrate. The material layer includes plural first patterns arranged parallel and separately in an array within a first region of the substrate, and plural second patterns parallel and separately disposed at two opposite sides of the first patterns, and plural third patterns parallel and separately disposed at another two opposite sides of the first patterns, wherein each of the third patterns has a relative greater dimension than that of each of the first patterns.
    Type: Grant
    Filed: December 26, 2021
    Date of Patent: August 8, 2023
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Feng-Yi Chang, Yu-Cheng Tung, Fu-Che Lee
  • Patent number: 11676815
    Abstract: A patterning method includes the following steps. A mask layer is formed on a material layer. A first hole is formed in the mask layer by a first photolithography process. A first mask pattern is formed in the first hole. A second hole is formed in the mask layer by a second photolithography process. A first spacer is formed on an inner wall of the second hole. A second mask pattern is formed in the second hole after the step of forming the first spacer. The first spacer surrounds the second mask pattern in the second hole. The mask layer and the first spacer are removed. The pattern of the first mask pattern and the second mask pattern are transferred to the material layer by an etching process.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: June 13, 2023
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Feng-Yi Chang, Fu-Che Lee
  • Patent number: 11653491
    Abstract: A method of manufacturing contacts is provided in the present invention, which include the steps of forming a plurality of mask bars on a substrate, forming a circular mask surrounding each mask bar, wherein the circular masks connect each other and define a plurality of opening patterns collectively with the mask bars, using the mask bars and the circular masks as etch masks to perform an etch process and to transfer the opening patterns and form a plurality recesses in the substrate, and filling up the recesses with metal to form contacts.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: May 16, 2023
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Feng-Yi Chang, Fu-Che Lee
  • Patent number: 11632887
    Abstract: A semiconductor memory device includes a substrate, a dielectric layer, plural bit lines, at least one bit line contact, a spacer structure and a spacer layer. The substrate has an isolation area to define plural active areas. The dielectric layer is disposed on the substrate, and the dielectric layer includes a bottom layer having a sidewall being retracted from sidewalls of other layers of the dielectric layer. The plural bit lines are disposed on the dielectric stacked structure, along a direction, and the at least one bit line contact is disposed below one of the bit lines, within the substrate. The spacer structure is disposed at sidewalls of each of the bit lines, and the spacer layer is disposed on the spacer structure to directly in contact with the spacer structure and the other layers of the dielectric layer.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: April 18, 2023
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Chien-Ming Lu, Fu-Che Lee, Feng-Yi Chang
  • Patent number: 11545547
    Abstract: A semiconductor device and a method of forming the same, the semiconductor device includes a substrate, a gate structure, a first dielectric layer, a second dielectric layer, a first plug and two metal lines. The substrate has a shallow trench isolation and an active area, and the gate structure is disposed on the substrate to cover a boundary between the active area and the shallow trench isolation. The first dielectric layer is disposed on the substrate, to cover the gate structure, and the first plug is disposed in the first dielectric layer to directly in contact with a conductive layer of the gate structure and the active area. The second dielectric layer is disposed on the first dielectric layer, with the first plug and the gate being entirely covered by the first dielectric layer and the second dielectric layer. The two metal lines are disposed in the second dielectric layer.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: January 3, 2023
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Feng-Yi Chang, Fu-Che Lee, Yi-Ching Chang, Kai-Lou Huang, Ying-Chih Lin, Gang-Yi Lin
  • Publication number: 20220415903
    Abstract: A semiconductor structure includes a substrate comprising a peripheral region and a memory region defined thereon, a first dielectric layer disposed on the substrate, a second dielectric layer disposed on the first dielectric layer, an opening on the peripheral region of the substrate and having a lower portion through the first dielectric layer and an upper portion through the second dielectric layer, an interconnecting structure disposed on the second dielectric layer and two sides of the opening, a contact structure disposed in the lower portion of the opening, and a spacer covering a top surface of the contact structure, a sidewall of the second dielectric layer, and a sidewall of the interconnecting structure.
    Type: Application
    Filed: July 19, 2021
    Publication date: December 29, 2022
    Applicant: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Yi-Wang Jhan, Fu-Che Lee, Gang-Yi Lin, An-Chi Liu, Yifei Yan, Yu-Cheng Tung
  • Publication number: 20220415895
    Abstract: A semiconductor structure includes a substrate, a contact structure disposed on the substrate, and two first gate structures disposed on the substrate and at two sides of the first contact structure. The contact structure has a T-shaped cross-sectional profile having a first portion contacting the substrate and a second portion disposed on the first portion. A top surface of the second portion of the contact structure is flush with top surfaces of the two first gate structures.
    Type: Application
    Filed: July 19, 2021
    Publication date: December 29, 2022
    Applicant: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Yi-Wang Jhan, Fu-Che Lee, Gang-Yi Lin, An-Chi Liu, Yifei Yan, Yu-Cheng Tung
  • Publication number: 20220384431
    Abstract: The present disclosure relates to a semiconductor device and a method of forming the same, and the semiconductor device includes a substrate, a gate line and a stress layer. The substrate has a plurality of first fins protruded from the substrate. The gate line is disposed over the substrate, across the first fins, to further include a gate electrode and a gate dielectric layer, wherein the dielectric layer is disposed between the gate electrode layer and the first fins. The stress layer is disposed only on lateral surfaces of the first fins and on a top surface of the substrate, wherein a material of the stress layer is different from a material of the first fins.
    Type: Application
    Filed: July 29, 2021
    Publication date: December 1, 2022
    Applicant: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Yi-Wang Jhan, Fu-Che Lee, Huixian LAI, Yu-Cheng Tung, An-Chi Liu, Gang-Yi Lin
  • Patent number: 11411009
    Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a memory region and a logic region; forming a stack structure on the memory region and a gate structure on the logic region; forming a first cap layer on the stack structure and the gate structure; performing an oxidation process to form an oxide layer on the first cap layer; forming a second cap layer on the oxide layer; and removing part of the second cap layer, part of the oxide layer, and part of the first cap layer on the logic region to form a spacer adjacent to the gate structure.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 9, 2022
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Wen-Fu Huang, Fu-Che Lee