Patents by Inventor Dian-Hau Chen

Dian-Hau Chen 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: 20250046667
    Abstract: A method includes forming a device die including forming integrated circuits on a semiconductor substrate; and forming a thermally conductive pillar extending into the semiconductor substrate. A cooling medium is attached over and contacting the semiconductor substrate to form a package, wherein the cooling medium is thermally coupled to the thermally conductive pillar.
    Type: Application
    Filed: October 6, 2023
    Publication date: February 6, 2025
    Inventors: Tsung-Chieh Hsiao, Ke-Gang Wen, Chih-Pin Chiu, Hsin-Feng Chen, Yu-Bey Wu, Liang-Wei Wang, Dian-Hau Chen
  • Publication number: 20250038074
    Abstract: A method includes forming a first multilayer interconnect structure over a first side of a device layer, forming a first portion of a second multilayer interconnect structure under a second side of the device layer, forming a trench that extends through the second dielectric layer, the device layer, and the first dielectric layer, forming a conductive structure in the trench, and forming a second portion of the second multilayer interconnect structure under the first portion of the second multilayer interconnect structure. The second portion of the second multilayer interconnect structure includes patterned metal layers disposed in a third dielectric layer, and wherein one or more of the patterned metal layers are in electrical connection with the conductive structure.
    Type: Application
    Filed: December 1, 2023
    Publication date: January 30, 2025
    Inventors: Tsung-Chieh Hsiao, Yi Ling Liu, Yun-Sheng Li, Ke-Gang Wen, Yu-Bey Wu, Liang-Wei Wang, Dian-Hau Chen
  • Patent number: 12201031
    Abstract: Methods and devices are provided that include a magnetic tunneling junction (MTJ) element. A first spacer layer abuts sidewalls of the MTJ element. The first spacer layer has a low-dielectric constant (low-k) oxide composition. A second spacer layer is disposed on the first spacer layer and has a low-k nitride composition.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: January 14, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hsiang-Ku Shen, Dian-Hau Chen
  • Publication number: 20250015007
    Abstract: One aspect of the present disclosure pertains to an integrated (IC) structure. The IC structure includes a semiconductor substrate; an interconnect structure formed over the substrate; and a redistribution layer (RDL) structure formed over the interconnect structure. The RDL structure includes: a RDL pad portion having a pad via array with multiple vias landing on a first top metal line of the interconnect structure; a RDL signal routing portion having a signal routing via landing on a second top metal line of the interconnect structure; and a RDL top portion over the RDL pad portion and the RDL signal routing portion. The multiple vias of the pad via array include a block via and an adjacent sacrificial via, the block via having a block via width, the sacrificial via having a sacrificial via width, and the block via width is greater than the sacrificial via width.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 9, 2025
    Inventors: Yu-Chung Lai, Ying-Yao Lai, Chen-Chiu Huang, Hsiang-Ku Shen, Dian-Hau Chen, Kuo-An Liu, Tzu-Ting Liu
  • Patent number: 12193336
    Abstract: A first metal layer extends across memory and logic device regions of a semiconductor structure. A dielectric barrier layer is disposed over the first metal layer. A first dielectric layer is disposed over the dielectric barrier layer in the memory device region and not in the logic device region. Multiple magnetic tunneling junction (MTJ) devices are disposed in the memory device region. A second dielectric layer is disposed in the memory device region and not in the logic device region. The second dielectric layer is disposed over the first dielectric layer and the MTJ devices. An extreme low-k dielectric layer is disposed over the dielectric barrier layer in the logic device region. A conductive feature in the logic device region penetrates the extreme low-k dielectric layer and the dielectric barrier layer to electrically connect to the first metal layer.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: January 7, 2025
    Assignee: TAIWAN SEMICONDUCTOE MANUFACTURING COMPANY, LTD.
    Inventors: Hsiang-Ku Shen, Dian-Hau Chen
  • Patent number: 12191248
    Abstract: A method of forming a semiconductor arrangement includes forming a first capacitor in a first voltage domain and forming a second capacitor in the first voltage domain. The first capacitor is connected in parallel with the second capacitor. A third capacitor and a fourth capacitor are formed in a second voltage domain. The third capacitor is connected in series with the fourth capacitor. The first capacitor and the second capacitor are connected in parallel with a supply terminal of the first voltage domain and a reference terminal of the first voltage domain. The fourth capacitor is connected to a supply terminal of the second voltage domain. The third capacitor is connected to a reference terminal of the second voltage domain.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: January 7, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Wan-Yu Lo, Chung-Hsing Wang, Chin-Shen Lin, Kuo-Nan Yang, Hsiang-Ku Shen, Dian-Hau Chen
  • Patent number: 12183697
    Abstract: Semiconductor devices, integrated circuits and methods of forming the same are provided. In one embodiment, a method includes depositing a first dielectric layer over a metal pad disposed over a workpiece, forming a first opening in the first dielectric layer to expose a portion of the metal pad, after the forming of the first opening, forming a second dielectric layer over the exposed portion of the metal pad, depositing a first polymeric material over the second dielectric layer, forming a second opening through the first polymeric material and the second dielectric layer to expose the metal pad, and forming a bump feature over the exposed metal pad.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: December 31, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chih-Fan Huang, Yen-Ming Chen, Chih-Sheng Li, Hui-Chi Chen, Chih-Hung Lu, Dian-Hau Chen
  • Publication number: 20240429156
    Abstract: A device includes a first dielectric layer. A second dielectric layer is disposed over the first dielectric layer. The second dielectric layer and the first dielectric layer have different material compositions. A metal-insulator-metal (MIM) structure is embedded in the second dielectric layer. A third dielectric layer is disposed over the second dielectric layer. The third dielectric layer and the second dielectric layer have different material compositions. The first dielectric layer or the third dielectric layer may contain silicon nitride (SiN), the second dielectric layer may contain silicon oxide (SiO2).
    Type: Application
    Filed: June 20, 2023
    Publication date: December 26, 2024
    Inventors: Chia-Yueh Chou, Hsiang-Ku Shen, Li-Chung Yu, Wen-Ling Chang, Chen-Chiu Huang, Dian-Hau Chen, Cheng-Hao Hou, Shin-Hung Tsai, Alvin Universe Tang, Kun-Yu Lee, Chun-Hsiu Chiang
  • Publication number: 20240421065
    Abstract: A method and semiconductor device including a substrate having one or more semiconductor devices. In some embodiments, the device further includes a first passivation layer disposed over the one or more semiconductor devices, and a metal-insulator-metal (MIM) capacitor structure formed over the first passivation layer. In some embodiments, the MIM capacitor structure includes a first conductor plate layer, an insulator layer on the first conductor plate layer, and a second conductor plate layer on the insulator layer. In some examples, the insulator layer includes a metal oxide sandwich structure.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 19, 2024
    Inventors: Chia-Yueh CHOU, Wen-Tzu CHEN, Wen-Ling CHANG, Hsiang-Ku SHEN, Alvin Universe TANG, Chun-Hsiu CHIANG, Shin-Hung TSAI, Kun-Yu LEE, Cheng-Hao HOU, Dian-Hau CHEN, Li-Chung YU
  • Publication number: 20240421063
    Abstract: One aspect of the present disclosure pertains to a method. The method includes receiving a first circuit structure having semiconductor devices, an interconnect structure, first feedthrough vias, top metal lines, redistribution vias, and bond pads. The method includes dicing the first circuit structure to form a top die having a top semiconductor device. The method includes forming a stacked integrated circuit (IC) structure by bonding the top die to a second circuit structure, the second circuit structure having second semiconductor devices, a second interconnect structure, second redistribution vias, and second bond pads. The method includes forming IC top metal lines over the first feedthrough vias, forming an IC passivation layer over the IC top metal lines, forming metal-insulator-metal (MIM) capacitor structures in the IC passivation layer, and forming IC redistribution vias penetrating through the MIM capacitor structures and the IC passivation layer to land on the IC top metal lines.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 19, 2024
    Inventors: Tsung-Chieh Hsiao, Chung-Yun Wan, Liang-Wei Wang, Dian-Hau Chen
  • Publication number: 20240413193
    Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a first electrode layer over a substrate. The method includes forming a capacitor dielectric layer over the first electrode layer and the substrate. The method includes depositing a second electrode layer over the capacitor dielectric layer. The method includes bombarding the second electrode layer with ions of an inert gas to sputter first atoms from the second electrode layer. The treated second electrode layer has a treated first top portion, a treated first sidewall portion, and a treated first bottom portion. The treated first sidewall portion is over the sidewall of the first electrode layer and connected between the treated first top portion and the treated first bottom portion, and the treated first sidewall portion is thicker than the first sidewall portion.
    Type: Application
    Filed: June 6, 2023
    Publication date: December 12, 2024
    Inventors: Wen-Tzu CHEN, Shih-Cheng CHOU, Hsiang-Ku SHEN, Dian-Hau CHEN, Chen-Chiu HUANG
  • Publication number: 20240404853
    Abstract: The present disclosure provides a method according to some embodiments. The method includes receiving an integrated circuit (IC) layout of a semiconductor structure that includes a redistribution layout (RDL) structure having a plurality of RDL metallic features; modifying the IC layout such that the modified RDL structure meets a criterion associated with a X-Y ratio gap; generating a tape-out according to the modified IC layout; and fabricating the semiconductor structure according to the modified IC layout defined in the tape-out.
    Type: Application
    Filed: May 31, 2023
    Publication date: December 5, 2024
    Inventors: Dian-Hau CHEN, Hsiang-Ku SHEN, Yu-Hsiung WANG
  • Publication number: 20240405069
    Abstract: A method includes forming first nanostructures over a first region of a substrate; forming second nanostructures over a second region of the substrate; forming a first gate structure around the first nanostructures; replacing the second nanostructures with isolation regions; and forming a through via extending through isolation regions and into the substrate.
    Type: Application
    Filed: October 31, 2023
    Publication date: December 5, 2024
    Inventors: Chih Hsin Yang, Mao-Nan Wang, Dian-Hau Chen
  • Publication number: 20240395619
    Abstract: Semiconductor structures and methods for forming the same that include a through substrate via. Sacrificial semiconductor structures (e.g., fins) are formed with metal gate structures in a through via region. An opening is formed through BEOL layers to expose the metal gates, which may then be removed. A liner layer is formed on sidewalls of the opening including on semiconductor structures extending from the substrate. The opening is then extended into the substrate and a through substrate via is formed from the extended opening.
    Type: Application
    Filed: May 24, 2023
    Publication date: November 28, 2024
    Inventors: Li-Yu LEE, Cheng-Hao YEH, Liang-Wei WANG, Dian-Hau CHEN
  • Publication number: 20240395741
    Abstract: A semiconductor device and method including depositing a passivation layer over an upper contact feature. In some embodiments, a polyimide (PI) layer is formed over the passivation layer. In an example, the PI layer is patterned to form a patterned PI layer including a first opening that exposes a portion of the passivation layer over the upper contact feature. In an embodiment, one or more etching processes are performed to form a second opening that exposes a top surface of the upper contact feature. In some embodiments, the one or more etching processes etches the passivation layer through the first opening to form a patterned passivation layer. In some examples, the one or more etching processes also recesses sidewall surfaces of the patterned PI layer from corners of the patterned passivation layer defined along opposing surfaces of the second opening.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 28, 2024
    Inventors: Chung-Hao SU, Wen-Chiung TU, Hsing-Hsiang WANG, Chen-Chiu HUANG, Hsiang-Ku SHEN, Dian-Hau CHEN
  • Publication number: 20240397830
    Abstract: A semiconductor device including a magnetic random access memory (MRAM) cell includes first and second magnetic random access memory (MRAM) cell structures disposed over a substrate. Each of the first and second MRAM cell structures includes a bottom electrode, a magnetic tunnel junction (MTJ) stack, and a top electrode. The semiconductor device further includes a first insulating cover layer covering sidewalls of each of the first and second MRAM cell structures, and a second insulating cover layer disposed over the first insulating cover layer. The semiconductor device further includes a bottom dielectric layer filling a space between the first and second MRAM cell structures, and an upper dielectric layer disposed over the bottom dielectric layer. Each of the first insulating cover layer and the second insulating cover layer is discontinuous between the first MRAM cell structure and the second MRAM cell structure.
    Type: Application
    Filed: July 31, 2024
    Publication date: November 28, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Hsin YANG, Dian-Hau CHEN, Yen-Ming CHEN, Yu-Jen WANG, Chen-Chiu HUANG
  • Publication number: 20240397829
    Abstract: In a method of manufacturing a semiconductor device, a cell structure is formed. The cell structure includes a bottom electrode, a magnetic tunnel junction (MTJ) stack disposed on the bottom electrode and a hard mask layer disposed on the MTJ stack. A first insulating cover layer is formed over sidewall of the MTJ stack. A second insulating cover layer is formed over the first insulating cover layer and the hard mask layer. A first interlayer dielectric (ILD) layer is formed. The hard mask layer is exposed by etching the first ILD layer and the second insulating cover layer. A second ILD layer is formed. A contact opening is formed in the second ILD layer by patterning the second ILD layer and removing the hard mask layer. A conductive layer is formed in the contact opening so that the conductive layer contacts the MTJ stack.
    Type: Application
    Filed: July 30, 2024
    Publication date: November 28, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Chieh HSIAO, Yu-Feng YIN, Liang-Wei WANG, Dian-Hau CHEN
  • Publication number: 20240389358
    Abstract: A method of forming a semiconductor device includes following steps. A sacrificial layer is formed in an opening of a substrate. A first doped region is formed in the opening over the sacrificial layer. The substrate is flipped. A portion of the substrate is removed to expose the sacrificial layer. The sacrificial layer is replaced with a first contact.
    Type: Application
    Filed: July 28, 2024
    Publication date: November 21, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsiang-Ku Shen, Liang-Wei Wang, Dian-Hau Chen, Yen-Ming Chen
  • Publication number: 20240387617
    Abstract: A method of manufacturing a semiconductor device includes forming a first conductive layer over a first insulating layer and forming a first dielectric layer over the first conductive layer. A second conductive layer is formed over a first portion of the first dielectric layer. A second dielectric layer is formed over the second conductive layer. A third conductive layer is formed over the second dielectric layer and the second portion of the first dielectric layer. A third dielectric layer is formed over the third conductive layer. A first conductive contact is formed contacting the first conductive layer. A second conductive contact is formed contacting the third conductive layer. The second conductive layer is an electrically floating layer.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 21, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Chieh HSIAO, Hsiang-Ku SHEN, Yuan-Yang HSIAO, Wen-Chiung TU, Chen-Chiu HUANG, Dian-Hau CHEN
  • Publication number: 20240386932
    Abstract: A semiconductor structure includes a third metal layer immediately above a second metal layer that is over a first metal layer. The second metal layer includes magnetic tunneling junction (MTJ) devices in a memory region and a first conductive feature in a logic region. Each MTJ device includes a bottom electrode and an MTJ stack over the bottom electrode. The third metal layer includes a first via electrically connecting to the first conductive feature, and a slot via over and electrically connecting to the MTJ stack of the MTJ devices. The slot via occupies space extending continuously and laterally from a first one to a last one of the MTJ devices. The first via is as thin as or thinner than the slot via. The third metal layer further includes second and third conductive features electrically connecting to the first via and the slot via, respectively.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 21, 2024
    Inventors: Chih-Fan HUANG, Yen-Ming CHEN, Liang-Wei WANG, Dian-Hau CHEN, Hsiang-Ku SHEN