Patents Assigned to Powerchip Semiconductor Manufacturing Corporation
  • Patent number: 11800721
    Abstract: A ferroelectric memory structure including a first conductive line, a second conductive line, and a memory cell is provided. The second conductive line is disposed on the first conductive line. The memory cell is disposed between the first and second conductive lines. The memory cell includes a switch device and a ferroelectric capacitor structure. The switch device is disposed between the first and second conductive lines. The ferroelectric capacitor structure is disposed between the first conductive line and the switch device. The ferroelectric capacitor structure includes ferroelectric capacitors electrically connected. Each of the ferroelectric capacitors includes a first conductive layer, a second conductive layer, and a ferroelectric material layer. The second conductive layer is disposed on the first conductive layer. The ferroelectric material layer is disposed between the first conductive layer and the second conductive layer.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: October 24, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shou-Zen Chang, Ming-Han Liao, Min-Cheng Chen, Hiroshi Yoshida
  • Publication number: 20230299169
    Abstract: A high electron mobility transistor device including a channel layer, a first barrier layer, a gate structure, and a spacer is provided. The first barrier layer is disposed on the channel layer. The gate structure is disposed on the first barrier layer. The gate structure includes a first P-type gallium nitride layer, a second barrier layer, and a second P-type gallium nitride layer. The first P-type gallium nitride layer is disposed on the first barrier layer. The second barrier layer is disposed on the first P-type gallium nitride layer. The second P-type gallium nitride layer is disposed on the second barrier layer. A width of the second P-type gallium nitride layer is smaller than a width of the first P-type gallium nitride layer. The spacer is disposed on a sidewall of the second P-type gallium nitride layer.
    Type: Application
    Filed: September 12, 2022
    Publication date: September 21, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Jih-Wen Chou, Hsin-Hong Chen, Yu-Jen Huang, Robin Christine Hwang, Po-Hsien Yeh, Chih-Hung Lu
  • Patent number: 11764304
    Abstract: A semiconductor device and a method of manufacturing the same are provided. The semiconductor device includes a substrate, a first electrode layer disposed on the substrate, a gate electrode layer disposed on the first electrode layer, a second electrode layer disposed on the gate electrode layer, an oxide semiconductor layer penetrating through the gate electrode layer, a gate dielectric layer disposed between the gate electrode layer and the oxide semiconductor layer, a first insulating layer disposed between the gate electrode layer and the first electrode layer, and a second insulating layer disposed between the gate electrode layer and the second electrode layer. The oxide semiconductor layer is in direct contact with the first electrode layer and the second electrode layer, respectively.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: September 19, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventor: Hiroshi Yoshida
  • Publication number: 20230290695
    Abstract: A through-substrate via (TSV) test structure including a substrate, a first TSV, and a test device is provided. The substrate includes a test region. The first TSV is located in the substrate of the test region. The test device is located on the substrate of the test region. The test device and the first TSV are separated from each other. The shortest distance between the test device and the first TSV is less than 10 ?m.
    Type: Application
    Filed: April 13, 2022
    Publication date: September 14, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventor: Chun-Lin Lu
  • Patent number: 11756839
    Abstract: A method for manufacturing a MOS transistor includes following. A gate stack structure and a hardmask layer on the gate stack structure are sequentially formed on a substrate. A first spacer is formed on sidewalls of the gate stack structure and the hardmask layer. A photoresist layer is formed on a sidewall of the first spacer. A top surface of the photoresist layer is higher than a top surface of the gate stack structure. The hardmask layer and a portion of the first spacer are removed to expose the top surface of the gate stack structure. A top surface of a remaining first spacer is higher than the top surface of the gate stack structure. The photoresist layer is removed. A second spacer is formed on a sidewall of the remaining first spacer. A top surface of the second spacer is higher than the top surface of the gate stack.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: September 12, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Wan-Yan Lin, Yu-Chieh Su, Ming-Chien Chiu, Mao-Hsing Chiu
  • Patent number: 11756990
    Abstract: A capacitor structure including a substrate, a first electrode, a first dielectric layer, a second electrode, a second dielectric layer, a third electrode, and a stress balance layer is provided. The substrate has trenches and a pillar portion located between two adjacent trenches. The first electrode is disposed on the substrate, on the pillar portion, and in the trenches. The first dielectric layer is disposed on the first electrode and in the trenches. The second electrode is disposed on the first dielectric layer and in the trenches. The second dielectric layer is disposed on the second electrode and in the trenches. The third electrode is disposed on the second dielectric layer and in the trenches. The third electrode has a groove, and the groove is located in the trench. The stress balance layer is disposed in the groove.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: September 12, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Wei-Yu Lin, Chuan-Chieh Lin
  • Patent number: 11756989
    Abstract: A capacitor is made using a wafer, and includes structural elevation portions to allow an electrode layer in the capacitor to be extended along surface profiles of the structural elevation portions to thereby increase its extension length, so as to reduce capacitor area, simplify capacitor manufacturing process and reduce manufacturing cost.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: September 12, 2023
    Assignee: POWERCHIP SEMICONDUCTOR MANUFACTURING CORPORATION
    Inventors: Wei-Yu Lin, Chuan-Chieh Lin, Shih-Hao Cheng
  • Publication number: 20230282714
    Abstract: This disclosure provides a semiconductor structure and a method of forming buried field plate structures. The semiconductor structure includes a substrate, buried field plate structures, and a gate. The substrate incudes a first surface and a second surface opposite the first surface. Each of the buried field plate structures include a conductive structure and an insulation structure surrounding the conductive structure. The gate is embedded in the substrate and extend into the substrate from the first surface of the substrate, wherein the gate is configured between the two neighboring buried field plate structures. The conductive structure includes portions arranging along a direction perpendicular to the first surface of the substrate and having different widths in a direction parallel to the first surface of the substrate.
    Type: Application
    Filed: May 5, 2022
    Publication date: September 7, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chia-Hao Chang, Yu-Jen Huang, Hsin-Hong Chen
  • Patent number: 11749648
    Abstract: A circuit structure for testing through silicon vias (TSVs) in a 3D IC, including a TSV area with multiple TSVs formed therein, and a switch circuit with multiple column lines and row lines forming an addressable test array, wherein two ends of each TSV are connected respectively with a column line and a row line. The switch circuit applies test voltage signals through one of the row lines to the TSVs in the same row and receives current signals flowing through the TSVs in the row from the columns lines, or the switch circuit applies test voltage signals through one of the column lines to the TSVs in the same column and receives current signals flowing through the TSVs in the column from the row lines.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: September 5, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shou-Zen Chang, Chun-Lin Lu, Chun-Cheng Chen
  • Patent number: 11749699
    Abstract: A method of fabricating a solid-state image sensor, including steps of forming a second type doped semiconductor layer and a semiconductor material layer sequentially on a first type doped semiconductor substrate to constitute a photoelectric conversion portion, forming a multilayer structure on the semiconductor material layer, wherein a refractive index of the multilayer structure gradually decreases from a bottom layer to a top layer of the multilayer structure and is smaller than a refractive index of the semiconductor material layer, and performing a photolithography process to the multiplayer structure and the photoelectric conversion portion to form multiple micro pillars, wherein the micro pillars protrude from the semiconductor material layer and are isolated by recesses extending into the photoelectric conversion portion.
    Type: Grant
    Filed: July 10, 2022
    Date of Patent: September 5, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shih-Ping Lee, Yi-Ping Lin, Yu-Ching Liao, Ya-Ting Chen, Hsin-Ying Tung
  • Publication number: 20230253037
    Abstract: An non-volatile static random access memory (nvSRAM) is provided in the present invention, including a first pass gate transistor, a second pass gate transistor, a first pull-up transistor, a second pull-up transistor, a first pull-down transistor and a second pull-down transistor, which construct collectively two cross-coupled inverters with two storage nodes, wherein resistive random-access memories (RRAM) are set between the first storage node, the first pull-up transistor and the first pull-down transistor and between the second storage node, the second pull-up transistor and the second pull-down transistor.
    Type: Application
    Filed: May 18, 2022
    Publication date: August 10, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventor: Zih-Song Wang
  • Patent number: 11721378
    Abstract: An oxide semiconductor-based FRAM is provided in the present invention, including a substrate, a word line on the substrate, a gate insulating layer on the word line, an oxide semiconductor layer on the gate insulating layer, a source and a drain respectively on the oxide semiconductor layer and spaced apart at a distance, wherein the source and the drain further connect respectively to a plate line and a bit line, a ferroelectric dielectric layer on the source, the drain and the oxide semiconductor layer, and a write electrode on the ferroelectric dielectric layer, wherein the write electrode, the ferroelectric dielectric layer, the oxide semiconductor layer, the gate insulating layer and the word line overlap each other in a direction vertical to the substrate.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: August 8, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shou-Zen Chang, Ming-Han Liao, Min-Cheng Chen, Hiroshi Yoshida
  • Patent number: 11715669
    Abstract: A method of manufacturing a through silicon via (TSV) is provided in the present invention, including steps of forming a TSV sacrificial structure in a substrate, wherein the TSV sacrificial structure contacts a metal interconnect on the front side of the substrate, performing a backside thinning process to expose the TSV sacrificial structure from the back side of the substrate, removing the TSV sacrificial structure to form a through silicon hole, and filling the through silicon hole with conductive material to form a TSV.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: August 1, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shih-Ping Lee, Tse-Hsien Wu, Pin-Chieh Huang, Yu-Hsiang Chien, Yeh-Yu Chiang
  • Patent number: 11715765
    Abstract: A method of manufacturing a channel all-around semiconductor device includes: forming a plurality of gate structures having the same extension direction, and forming a multi-connected channel layer on a substrate. Each of the gate structures has opposite first end and second end, and the gate structures are all surrounded by the formed multi-connected channel layer, and a plane direction of the multi-connected channel layer is perpendicular to the extension direction of the gate structures, so that channels of the gate structures are connected to each other.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: August 1, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventor: Chun-Sheng Chen
  • Publication number: 20230238270
    Abstract: A semiconductor structure including a substrate and a deep trench isolation structure is provided. The deep trench isolation structure is disposed in the substrate and is not electrically connected to any device. The deep trench isolation structure includes a heat dissipation layer and a dielectric liner layer. The heat dissipation layer is disposed in the substrate. The dielectric liner layer is disposed between the heat dissipation layer and the substrate.
    Type: Application
    Filed: March 6, 2022
    Publication date: July 27, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chen-Chiang Liu, Hung-Kwei Liao
  • Publication number: 20230230883
    Abstract: A method of manufacturing a semiconductor device includes forming a gate oxide layer on a substrate, where the substrate includes a high voltage region and a low voltage region. The gate oxide layer is disposed in the high voltage region. Wet etching is performed on the gate oxide layer to reduce a thickness of the gate oxide layer. Multiple trenches are formed around the high voltage region in the substrate, where forming the trenches includes removing an edge of the gate oxide layer to make the thickness of the gate oxide layer uniform. An insulating material is filled in the trenches to form multiple shallow trench isolation structures, where an upper surface of the shallow trench isolation structures close to the edge of the gate oxide layer is coplanar with an upper surface of the gate oxide layer.
    Type: Application
    Filed: July 5, 2022
    Publication date: July 20, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventor: Hiroshi Yoshida
  • Publication number: 20230230902
    Abstract: A semiconductor package structure includes a control unit and a memory unit. The control unit includes a first wafer and a second wafer that are vertically stacked. The memory unit is disposed on the second wafer of the control unit. The memory unit includes multiple third wafers and a fourth wafer that are stacked vertically. The memory unit overlaps the control unit in a normal direction of the semiconductor package structure. In addition, a manufacturing method of the semiconductor package structure is provided.
    Type: Application
    Filed: March 10, 2022
    Publication date: July 20, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chun-Lin Lu, Shou-Zen Chang, Chi-Ming Chen
  • Publication number: 20230223427
    Abstract: A capacitor structure including a substrate, a first electrode, a first dielectric layer, a second electrode, a second dielectric layer, a third electrode, and a stress balance layer is provided. The substrate has trenches and a pillar portion located between two adjacent trenches. The first electrode is disposed on the substrate, on the pillar portion, and in the trenches. The first dielectric layer is disposed on the first electrode and in the trenches. The second electrode is disposed on the first dielectric layer and in the trenches. The second dielectric layer is disposed on the second electrode and in the trenches. The third electrode is disposed on the second dielectric layer and in the trenches. The third electrode has a groove, and the groove is located in the trench. The stress balance layer is disposed in the groove.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 13, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Wei-Yu Lin, Chuan-Chieh Lin
  • Publication number: 20230223417
    Abstract: Provided are an image sensor and a manufacturing method thereof. In the image sensor, an insulating layer and a first silicon layer are sequentially on a silicon base. A first isolation structure is in the first silicon layer to define an active area (AA). A doped region is in a part of the first silicon layer in the AA and in a part of the silicon base thereunder. A second silicon layer is in a part of the first silicon layer in the AA and extends into the silicon base. An interconnection structure is on the first silicon layer and electrically connected with a transistor. A second isolation structure is in the silicon base under the first isolation structure and connected to the insulating layer. A passivation layer surrounds the silicon base and is connected to the doped region. A microlens is on the silicon base.
    Type: Application
    Filed: March 22, 2022
    Publication date: July 13, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chih-Ping Chung, Ming-Yu Ho, Saysamone Pittikoun
  • Patent number: 11699696
    Abstract: A silicon-controlled rectifier includes a substrate of a first conductivity type; a deep well region of a second conductivity type; a well regions of the first conductivity type and the second conductivity type; a first, second and third heavily doped active regions of the first conductivity type; a first, second and third heavily doped active regions of the second conductivity type; and a first, second and third shallow trench isolation structures. A reverse diode formed in the third heavily doped active region of the second conductivity type and the well region of the first conductivity type is embedded, and a forward diode is formed in the heavily doped active region of the first conductivity type and the well region of the second conductivity type. By sharing the third heavily doped active region of the second conductivity type across the well regions of different conductivity types, two back-to-back diodes are formed.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: July 11, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Juin Jei Liou, Wenqiang Song, Ching-Sung Ho