Patents Assigned to Powerchip Semiconductor Manufacturing Corporation
  • 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
  • Publication number: 20230215891
    Abstract: The disclosure provides an image sensor integrated chip and a method for forming the same. The image sensor integrated chip includes a substrate, an isolation structure, an image sensing element, a gate structure, a first dielectric layer, and a reflective layer. The substrate includes a pixel region. The isolation structure is disposed in the substrate and is configured at opposite sides of the pixel region. The image sensing element is disposed in the pixel region of the substrate. The gate structure is disposed on the pixel region of the substrate. The first dielectric layer is disposed above the pixel region of the substrate and covers sidewalls and a portion of a top surface of the gate structure. The reflective layer is disposed on the first dielectric layer. The reflective layer overlaps with the image sensing element and the portion of the top surface of the gate structure in a first direction perpendicular to a surface of the substrate.
    Type: Application
    Filed: February 16, 2022
    Publication date: July 6, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chien-Lung Wu, Wen-Hao Huang
  • Patent number: 11688683
    Abstract: A semiconductor structure and a manufacturing method thereof are provided. The semiconductor structure includes a substrate, a semiconductor device, an interconnect structure, a capacitor, and a plurality of pads. The semiconductor device is disposed at the substrate. The interconnect structure is disposed on the substrate and electrically connected to the semiconductor device. The capacitor is disposed on the interconnect structure and electrically connected to the interconnect structure. The capacitor includes a first electrode, a second electrode covering a top surface and a sidewall of the first electrode, and an insulating layer disposed between the first electrode and the second electrode. The plurality of pads are disposed on the interconnect structure and electrically connected to the interconnect structure, wherein at least one of the plurality of pads is electrically connected to the capacitor.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: June 27, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Hsiao-Pei Lin, Shih-Ping Lee, Cheng-Zuo Han
  • Patent number: 11688761
    Abstract: A multilayer capacitive element and a design method of the same are provided. The capacitive element includes a substrate having a groove, a first aspect ratio modulation structure, and a plurality of conductive layers and a plurality of dielectric layers. The first aspect ratio modulation structure is located in the groove to define the groove as a first region and a first modulation region, wherein an aspect ratio of the first modulation region is different from that of the first region. The plurality of conductive layers and the plurality of dielectric layers are alternately stacked in the groove.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: June 27, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventor: Chun-Sheng Chen
  • Publication number: 20230187272
    Abstract: A manufacturing method of an interconnect structure including the following is provided. A substrate is provided. Sacrificial layers are formed on the substrate. A dielectric layer is formed between two adjacent sacrificial layers. There is an air gap in the dielectric layer. The sacrificial layers are removed to form first openings. A conductive layer is formed in the first opening.
    Type: Application
    Filed: January 26, 2022
    Publication date: June 15, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Hung-Yao Huang, Shyng-Yeuan Che, Ching-Hsiu Wu
  • Publication number: 20230182178
    Abstract: A cleaning apparatus includes a stage, first annular closed-loop pipelines and first nozzles. The first annular closed-loop pipelines are located above the stage and have different outer diameters. A top-view pattern of the first annular closed-loop pipeline with a larger outer diameter surrounds a top-view pattern of the first annular closed-loop pipeline with a smaller outer diameter. The first nozzles are disposed on each of the first annular closed-loop pipelines.
    Type: Application
    Filed: February 11, 2022
    Publication date: June 15, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chun-Chi Chou, Chung-Ming Kuo
  • Publication number: 20230186972
    Abstract: A memory device is provided. The memory device includes at least one memory chip and a logic chip. Each of the at least one memory chip includes a memory array, a plurality of bit lines, and a plurality of data paths. The data paths respectively correspond to the bit lines. The number of the data paths is equal to or less than the number of the bit lines. A plurality of data transmission ports of the logic chip are electrically connected to the data paths of the at least one memory chip in a one-to-one manner. The number of the data transmission ports is equal to a sum of the data paths of the at least one memory chip.
    Type: Application
    Filed: January 18, 2022
    Publication date: June 15, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chong-Jen Huang, Chun-Cheng Chen
  • Publication number: 20230178134
    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: Application
    Filed: January 31, 2023
    Publication date: June 8, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shou-Zen Chang, Ming-Han Liao, Min-Cheng Chen, Hiroshi Yoshida
  • Publication number: 20230171966
    Abstract: A 3D monolithic stacking memory structure is provided in the present invention, including a semiconductor substrate, a field effect transistor (FET) on the semiconductor substrate, a plurality of back-end metal layers on the FET and the semiconductor substrate, an oxide-semiconductor FET (OSFET) in the back-end metal layers, wherein a drain of the OSFET is connected with a gate of the FET, and a FEMIM storage capacitor formed on the back-end metal layers, wherein a bottom electrode of the FEMIM storage capacitor is connected with the drain of the OSFET and the gate of the FET, and the FET, the OSFET and the FEMIM storage capacitor are stacked in order from bottom to top on the semiconductor substrate.
    Type: Application
    Filed: March 10, 2022
    Publication date: June 1, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shou-Zen Chang, Ming-Han Liao, Min-Cheng Chen, Hiroshi Yoshida
  • Publication number: 20230144304
    Abstract: The present disclosure provides a semiconductor structure including a substrate, a first gate structure, and a second gate structure. The substrate includes at least one first trench group and at least one second trench group spaced apart from each other. The first trench group includes first trenches spaced apart from each other in a first direction and extending in a second direction other than the first direction. The second trench group includes second trenches spaced apart from each other in the second direction and extending in the first direction. The first gate structure is disposed in each of the first trenches and extends in the second direction. The second gate structure is disposed in each of the second trenches and extends in the first direction.
    Type: Application
    Filed: February 18, 2022
    Publication date: May 11, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chien-Le Chang, Chang-Chin Ho, Yong-Kang Jiang
  • Patent number: 11646381
    Abstract: A method for manufacturing a non-volatile memory device includes forming a device isolation structure in a substrate, forming a floating gate, an inner layer dielectric (ILD) layer, and a floating gate contact on the substrate, and forming an interconnect structure on the ILD layer. The interconnect structure includes alternately stacked metal layers and inter metal dielectric (IMD) layers and vias connecting the upper and lower metal layers. In the method, after the ILD layer is formed, first and second comb-shaped contacts are simultaneously formed in at least one of the ILD layer and the IMD layers above the device isolation structure, wherein the first comb-shaped contact is a floating gate extension part, and the second comb-shaped contact is a control gate. During the forming of the interconnect structure, a structure is simultaneously formed for electrically connecting the floating gate extension part to the floating gate contact.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: May 9, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shiangshiou Yen, Bo-An Tsai
  • Publication number: 20230137738
    Abstract: A ferroelectric memory structure including a substrate, a ferroelectric capacitor structure, and a switch device is provided. The ferroelectric capacitor structure is disposed on the substrate. The ferroelectric capacitor structure includes at least one first electrode, first dielectric layers, a second electrode, and a ferroelectric material layer. The at least one first electrode and the first dielectric layers are alternately stacked. The second electrode penetrates through the first electrode. The ferroelectric material layer is disposed between the first electrode and the second electrode. The switch device is electrically connected to the ferroelectric capacitor structure.
    Type: Application
    Filed: November 30, 2021
    Publication date: May 4, 2023
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shou-Zen Chang, Ming-Han Liao, Min-Cheng Chen, Hiroshi Yoshida