Patents by Inventor Hai-Ching Chen

Hai-Ching 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).

  • Patent number: 11778914
    Abstract: A thin-film transistor may include an amorphous semiconductor channel layer, an organic material piezoelectric stress gate layer formed adjacent to the amorphous semiconductor channel layer, a source electrode coupled to the organic material piezoelectric stress gate layer, a drain electrode coupled to the organic material piezoelectric stress gate layer and a gate electrode coupled to the organic material piezoelectric stress gate layer. In some embodiments, the amorphous semiconductor channel layer may be amorphous indium gallium zinc oxide. In some embodiments, the organic material piezoelectric stress gate layer may be organic polyvinylidene fluoride. In some embodiments, the amorphous semiconductor channel layer may be formed on a flexible substrate.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: October 3, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Rainer Yen-Chieh Huang, Hai-Ching Chen
  • Patent number: 11777010
    Abstract: A semiconductor structure includes a gate stack over a substrate and a blocking layer disposed between the gate stack and the substrate. The gate stack includes an upper electrode, a lower electrode, a ferroelectric layer disposed between the upper electrode and the lower electrode, and a first seed layer disposed between the ferroelectric layer and the lower electrode. The blocking layer includes doped hafnium oxide.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: October 3, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yen-Chieh Huang, Hai-Ching Chen, Yu-Ming Lin, Chung-Te Lin
  • Patent number: 11769815
    Abstract: The present disclosure relates to an integrated circuit (IC) chip including a memory cell with a carrier barrier layer for threshold voltage tuning. The memory cell may, for example, include a gate electrode, a ferroelectric structure, and a semiconductor structure. The semiconductor structure is vertically stacked with the gate electrode and the ferroelectric structure, and the ferroelectric structure is between the gate electrode and the semiconductor structure. A pair of source/drain electrodes is laterally separated and respectively on opposite sides of the gate electrode, and a carrier barrier layer separates the source/drain electrodes from the semiconductor structure.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: September 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Rainer Yen-Chieh Huang, Hai-Ching Chen, Yu-Ming Lin, Chung-Te Lin
  • Patent number: 11769695
    Abstract: Integrated circuit devices and methods of forming the same are provided. A method according to the present disclosure includes providing a workpiece including a first metal feature in a dielectric layer and a capping layer over the first metal feature, selectively depositing a blocking layer over the capping layer, depositing an etch stop layer (ESL) over the workpiece, removing the blocking layer, and depositing a second metal feature over the workpiece such that the first metal feature is electrically coupled to the second metal feature. The blocking layer prevents the ESL from being deposited over the capping layer.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: September 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsin-Yen Huang, Shao-Kuan Lee, Cheng-Chin Lee, Hsiang-Wei Liu, Tai-I Yang, Chia-Tien Wu, Hai-Ching Chen, Shau-Lin Shue
  • Publication number: 20230299003
    Abstract: A device includes a substrate; a first layer over the substrate, the first layer containing a plurality of fin features and a trench between two adjacent fin features. The device also includes a porous material layer having a first portion and a second portion. The first portion is disposed in the trench. The second portion is disposed on a top surface of the first layer. The first and the second portions contain substantially same percentage of Si, substantially same percentage of O, and substantially same percentage of C.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 21, 2023
    Inventors: Bo-Jiun Lin, Ching-Yu Chang, Hai-Ching Chen, Tien-I Bao
  • Patent number: 11756878
    Abstract: In one embodiment, a self-aligned via is presented. In one embodiment, an inhibitor layer is selectively deposited on the lower conductive region. In one embodiment, a dielectric is selectively deposited on the lower conductive region. In one embodiment, the deposited dielectric may be selectively etched. In one embodiment, an inhibitor is selectively deposited on the lower dielectric region. In one embodiment, a dielectric is selectively deposited on the lower dielectric region. In one embodiment, the deposited dielectric over the lower conductive region has a different etch rate than the deposited dielectric over the lower dielectric region which may lead to a via structure that is aligned with the lower conductive region.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Shao-Kuan Lee, Hsin-Yen Huang, Cheng-Chin Lee, Hai-Ching Chen, Shau-Lin Shue
  • Publication number: 20230268438
    Abstract: A semiconductor device is described. The semiconductor device includes a substrate and a metal layer disposed on the substrate. A seed layer is formed on the metal layer. A ferroelectric gate layer is formed on the seed layer. A channel layer is formed over the ferroelectric gate layer. The seed layer is arranged to increase the orthorhombic phase fraction of the ferroelectric gate layer.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 24, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yen-Chieh Huang, Po-Ting Lin, Hai-Ching Chen, Sai-Hooi Yeong, Yu-Ming Lin, Chung-Te Lin
  • Publication number: 20230269947
    Abstract: A ferroelectric memory device, a manufacturing method of the ferroelectric memory device and a semiconductor chip are provided. The ferroelectric memory device includes a gate electrode, a ferroelectric layer, a channel layer, first and second blocking layers, and source/drain electrodes. The ferroelectric layer is disposed at a side of the gate electrode. The channel layer is capacitively coupled to the gate electrode through the ferroelectric layer. The first and second blocking layers are disposed between the ferroelectric layer and the channel layer. The second blocking layer is disposed between the first blocking layer and the channel layer. The first and second blocking layers comprise a same material, and the second blocking layer is further incorporated with nitrogen. The source/drain electrodes are disposed at opposite sides of the gate electrode, and electrically connected to the channel layer.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 24, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Rainer, Yen-Chieh Huang, Hai-Ching Chen, Yu-Ming Lin, Chung-Te Lin
  • Publication number: 20230262989
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC) comprising a first electrode structure disposed in a substrate. A first ferroelectric structure is disposed on a first side of the first electrode structure. A channel structure is disposed on a first side of the first ferroelectric structure. The channel structure includes a plurality of individual channel structures and a plurality of insulator structures. The plurality of individual channel structures and the plurality of insulator structures are alternately stacked. A pair of source/drain (S/D) structures are disposed on the first side of the first ferroelectric structure. The pair of S/D structures extend vertically through the channel structure, and the first electrode structure is disposed laterally between the S/D structures of the pair of S/D structures.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 17, 2023
    Inventors: Yen-Chieh Huang, Po-Ting Lin, Song-Fu Liao, Hai-Ching Chen, Sai-Hooi Yeong, Yu-Ming Lin, Chung-Te Lin
  • Publication number: 20230260781
    Abstract: The present disclosure involves forming a porous low-k dielectric structure. A plurality of conductive elements is formed over the substrate. The conductive elements are separated from one another by a plurality of openings. A barrier layer is formed over the conductive elements. The barrier layer is formed to cover sidewalls of the openings. A treatment process is performed to the barrier layer. The barrier layer becomes hydrophilic after the treatment process is performed. A dielectric material is formed over the barrier layer after the treatment process has been performed. The dielectric material fills the openings and contains a plurality of porogens.
    Type: Application
    Filed: April 24, 2023
    Publication date: August 17, 2023
    Inventors: Bo-Jiun Lin, Hai-Ching Chen, Tien-I Bao
  • Patent number: 11729990
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes a gate electrode over a substrate, and a gate dielectric layer arranged over the gate electrode. The gate dielectric layer includes a ferroelectric material. An active structure is arranged over the gate dielectric layer and includes a semiconductor material. A source contact and a drain contact are arranged over the active structure. A capping structure is arranged between the source and drain contacts and over the active structure. The capping structure includes a first metal material.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: August 15, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Rainer Yen-Chieh Huang, Hai-Ching Chen, Chung-Te Lin
  • Publication number: 20230253463
    Abstract: A method for manufacturing a semiconductor feature includes: alternatingly forming first and second dielectric layers on a semiconductor substrate along a vertical direction; forming multiple spaced-apart trenches penetrating the first and second dielectric layers; forming multiple support segments filling the trenches; removing the second dielectric layers to form multiple spaces; forming multiple conductive layers filling the spaces; removing the support segments to expose the conductive layers and the first dielectric layers; selectively forming a blocking layer covering the first dielectric layers outside of the conductive layers; forming multiple selectively-deposited sub-layers on the exposed conductive layers outside of the blocking layer and each connected to one of the conductive layers; forming multiple channel sub-layers on the selectively-deposited sub-layers outside of the blocking layer; removing the blocking layer; forming multiple isolation sub-layers filling the trenches; and forming multiple
    Type: Application
    Filed: April 14, 2023
    Publication date: August 10, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Song-Fu LIAO, Hai-Ching CHEN, Chung-Te LIN
  • Publication number: 20230247841
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC) comprising a lower gate electrode disposed in a dielectric structure. A first ferroelectric structure overlies the lower gate electrode. A first floating electrode structure overlies the first ferroelectric structure. A channel structure overlies the first floating electrode structure. A second floating electrode structure overlies the channel structure. A second ferroelectric structure overlies the second floating electrode structure. An upper gate electrode overlies the second ferroelectric structure.
    Type: Application
    Filed: February 2, 2022
    Publication date: August 3, 2023
    Inventors: Yen-Chieh Huang, Po-Ting Lin, Song-Fu Liao, Hai-Ching Chen, Sai-Hooi Yeong, Yu-Ming Lin, Chung-Te Lin
  • Patent number: 11710700
    Abstract: A semiconductor structure is provided. The semiconductor structure comprises a first conductive feature embedded within a first dielectric layer, a via disposed over the first conductive feature, a second conductive feature disposed over the via, and a graphene layer disposed over at least a portion of the first conductive feature. The via electrically couples the first conductive feature to the second conductive feature.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: July 25, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Shin-Yi Yang, Yu-Chen Chan, Ming-Han Lee, Hai-Ching Chen, Shau-Lin Shue
  • Patent number: 11706928
    Abstract: An integrated circuit device includes a ferroelectric layer that is formed with chlorine-free precursors. This ferroelectric material may be of the composition HFxZr1-xO2. The ferroelectric layer may be used in a memory device such as a ferroelectric field effect transistor (FeFET). A ferroelectric layer formed with chlorine-free precursors has no chlorine residue. The absence of chlorine ameliorates time-dependent dielectric breakdown (TDDB) and Bias Temperature Instability (BTI).
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: July 18, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Rainer Yen-Chieh Huang, Hai-Ching Chen, Chung-Te Lin
  • Patent number: 11690228
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes a first conductive structure arranged over a substrate. A memory layer is arranged over the first conductive structure, below a second conductive structure, and includes a ferroelectric material. An annealed seed layer is arranged between the first and second conductive structures and directly on a first side of the memory layer. An amount of the crystal structure that includes an orthorhombic phase is greater than about 35 percent.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: June 27, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Song-Fu Liao, Rainer Yen-Chieh Huang, Hai-Ching Chen, Chung-Te Lin
  • Patent number: 11670715
    Abstract: A semiconductor device is described. The semiconductor device includes a substrate and a metal layer disposed on the substrate. A seed layer is formed on the metal layer. A ferroelectric gate layer is formed on the seed layer. A channel layer is formed over the ferroelectric gate layer. The seed layer is arranged to increase the orthorhombic phase fraction of the ferroelectric gate layer.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: June 6, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yen-Chieh Huang, Po-Ting Lin, Hai-Ching Chen, Sai-Hooi Yeong, Yu-Ming Lin, Chung-Te Lin
  • Publication number: 20230170418
    Abstract: Ferroelectric structures, including a ferroelectric field effect transistors (FeFETs), and methods of making the same are disclosed which have improved ferroelectric properties and device performance. A FeFET device including a ferroelectric material gate dielectric layer and a metal oxide semiconductor channel layer is disclosed having improved ferroelectric characteristics, such as increased remnant polarization, low defects, and increased carrier mobility for improved device performance.
    Type: Application
    Filed: December 7, 2022
    Publication date: June 1, 2023
    Inventors: Yen-Chieh HUANG, Po-Ting LIN, Hai-Ching CHEN, Song-Fu LIAO, Yu-Ming LIN
  • Patent number: 11658120
    Abstract: A device includes a substrate; a first layer over the substrate, the first layer containing a plurality of fin features and a trench between two adjacent fin features. The device also includes a porous material layer having a first portion and a second portion. The first portion is disposed in the trench. The second portion is disposed on a top surface of the first layer. The first and the second portions contain substantially same percentage of Si, substantially same percentage of O, and substantially same percentage of C.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: May 23, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Bo-Jiun Lin, Ching-Yu Chang, Hai-Ching Chen, Tien-I Bao
  • Patent number: 11653501
    Abstract: A ferroelectric memory device, a manufacturing method of the ferroelectric memory device and a semiconductor chip are provided. The ferroelectric memory device includes a gate electrode, a ferroelectric layer, a channel layer, first and second blocking layers, and source/drain electrodes. The ferroelectric layer is disposed at a side of the gate electrode. The channel layer is capacitively coupled to the gate electrode through the ferroelectric layer. The first and second blocking layers are disposed between the ferroelectric layer and the channel layer. The second blocking layer is disposed between the first blocking layer and the channel layer. The first and second blocking layers comprise a same material, and the second blocking layer is further incorporated with nitrogen. The source/drain electrodes are disposed at opposite sides of the gate electrode, and electrically connected to the channel layer.
    Type: Grant
    Filed: June 20, 2021
    Date of Patent: May 16, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Rainer Yen-Chieh Huang, Hai-Ching Chen, Yu-Ming Lin, Chung-Te Lin