Patents by Inventor Chung-Hao Tsai

Chung-Hao Tsai 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: 20240145571
    Abstract: In some embodiments, the present disclosure relates to an integrated circuit (IC) in which a memory structure comprises an inhibition layer inserted between two ferroelectric layers to create a tetragonal-phase dominant ferroelectric structure. In some embodiments, the ferroelectric structure includes a first ferroelectric layer, a second ferroelectric layer overlying the first ferroelectric layer, and a first inhibition layer disposed between the first and second ferroelectric layers and bordering the second ferroelectric layer. The first inhibition layer is a different material than the first and second ferroelectric layers.
    Type: Application
    Filed: January 5, 2023
    Publication date: May 2, 2024
    Inventors: Po-Ting Lin, Yu-Ming Hsiang, Wei-Chih Wen, Yin-Hao Wu, Wu-Wei Tsai, Hai-Ching Chen, Yu-Ming Lin, Chung-Te Lin
  • Publication number: 20240142732
    Abstract: A method includes forming a first waveguide over a substrate; forming a first layer of low-dimensional material on the first waveguide; forming a first layer of dielectric material over the first layer of low-dimensional material; forming a second layer of low dimensional material on the first layer of dielectric material; and forming a first conductive contact that electrically contacts the first layer of low-dimensional material and a second conductive contact that electrically contacts the second layer of low-dimensional material.
    Type: Application
    Filed: January 6, 2023
    Publication date: May 2, 2024
    Inventors: Chih-Hsin Lu, Chin-Her Chien, Chung-Hao Tsai, Chuei-Tang Wang, Chen-Hua Yu
  • Patent number: 11967570
    Abstract: A semiconductor package includes a base comprising a top surface and a bottom surface that is opposite to the top surface; a first semiconductor chip mounted on the top surface of the base in a flip-chip manner; a second semiconductor chip stacked on the first semiconductor chip and electrically coupled to the base by wire bonding; an in-package heat dissipating element comprising a dummy silicon die adhered onto the second semiconductor chip by using a high-thermal conductive die attach film; and a molding compound encapsulating the first semiconductor die, the second semiconductor die, and the in-package heat dissipating element.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: April 23, 2024
    Assignee: MediaTek Inc.
    Inventors: Chia-Hao Hsu, Tai-Yu Chen, Shiann-Tsong Tsai, Hsing-Chih Liu, Yao-Pang Hsu, Chi-Yuan Chen, Chung-Fa Lee
  • Publication number: 20240111139
    Abstract: An imaging lens assembly module includes a lens barrel, a catadioptric lens assembly, an imaging lens assembly, a first fixing element and a second fixing element. The lens barrel has a first relying surface and a second relying surface, which face towards an object side of the imaging lens assembly module. The catadioptric lens assembly relies on the first relying surface. The imaging lens assembly is disposed on an image side of the catadioptric lens assembly, and relies on the second relying surface. The first fixing element is for fixing the catadioptric lens assembly to the lens barrel. The second fixing element is for fixing the imaging lens assembly to the lens barrel. The catadioptric lens assembly is for processing at least twice internal reflections of an image light in the imaging lens assembly module, and for providing optical refractive power.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 4, 2024
    Inventors: Lin-An CHANG, Chung Hao CHEN, Wen-Yu TSAI, Ming-Ta CHOU
  • Publication number: 20240105682
    Abstract: A package includes a memory stack attached to a logic device, the memory stack including first memory structures, a first redistribution layer over and electrically connected to the first memory structures, second memory structures on the first redistribution layer, a second redistribution layer over and electrically connected to the second memory structures, and first metal pillars on the first redistribution layer and adjacent the second memory structures, the first metal pillars electrically connecting the first redistribution layer and the second redistribution layer, wherein each first memory structure of the first memory structures includes a memory die comprising first contact pads and a peripheral circuitry die comprising second contact pads, wherein the first contact pads of the memory die are bonded to the second contact pads of the peripheral circuitry die.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Inventors: Chen-Hua Yu, Chung-Hao Tsai, Chuei-Tang Wang, Yih Wang
  • Publication number: 20240088033
    Abstract: A method of forming a semiconductor device is provided. A transistor is formed at a first side of the substrate and a first dielectric layer is formed aside the transistor. A first metal via is formed through the first dielectric layer and aside the transistor. A first interconnect structure is formed over the first side of the substrate and electrically connected to the transistor and the first metal via. The substrate is thinned from a second side of the substrate. A capacitor is formed at the second side of the substrate and a second dielectric layer is formed aside the capacitor. A second metal via is formed through the second dielectric layer and the substrate and electrically connected to the first metal via.
    Type: Application
    Filed: March 20, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chao-Kai Chan, Chung-Hao Tsai, Chuei-Tang WANG, Wei-Ting Chen
  • Publication number: 20240088078
    Abstract: Packaged memory devices including memory devices hybrid bonded to logic devices and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a first memory die including a first memory cell electrically coupled to a first word line; a second memory cell electrically coupled to the first word line; and a first interconnect structure electrically coupled to the first word line; a circuitry die including a second interconnect structure, a first conductive feature of the first interconnect structure being bonded to a second conductive feature of the second interconnect structure through metal-to-metal bonds; and a word line driver electrically coupled to the first word line between the first memory cell and the second memory cell, the word line driver being electrically coupled to the first word line through the first interconnect structure and the second interconnect structure.
    Type: Application
    Filed: January 4, 2023
    Publication date: March 14, 2024
    Inventors: Chung-Hao Tsai, Yih Wang, Wei-Ting Chen, Chuei-Tang Wang, Chen-Hua Yu
  • Publication number: 20240076422
    Abstract: A supported metallocene catalyst includes a carrier and a metallocene component. The carrier includes an inorganic oxide particle and an alkyl aluminoxane material. The inorganic oxide particle includes at least one inorganic oxide compound selected from the group consisting of an oxide of Group 3A and an oxide of Group 4A. The alkyl aluminoxane material includes an alkyl aluminoxane compound and an alkyl aluminum compound that is present in amount ranging from greater than 0.01 wt % to less than 14 wt % base on 100 wt % of the alkyl aluminoxane material. The metallocene component is supported on the carrier, and includes one of a metallocene compound containing a metal from Group 3B, a metallocene compound containing a metal from Group 4B, and a combination thereof. A method for preparing the supported metallocene catalyst and a method for preparing polyolefin using the supported metallocene catalyst are also disclosed.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 7, 2024
    Inventors: Jing-Cherng TSAI, Jen-Long WU, Wen-Hao KANG, Kuei-Pin LIN, Jing-Yu LEE, Jun-Ye HONG, Zih-Yu SHIH, Cheng-Hung CHIANG, Gang-Wei SHEN, Yu-Chuan SUNG, Chung-Hua WENG, Hsing-Ya CHEN
  • Patent number: 11923315
    Abstract: Semiconductor package includes a pair of dies, a redistribution structure, and a conductive plate. Dies of the pair of dies are disposed side by side. Each die includes a contact pad. Redistribution structure is disposed on the pair of dies, and electrically connects the pair of dies. Redistribution structure includes an innermost dielectric layer, an outermost dielectric layer, and a redistribution conductive layer. Innermost dielectric layer is closer to the pair of dies. Redistribution conductive layer extends between the innermost dielectric layer and the outermost dielectric layer. Outermost dielectric layer is furthest from the pair of dies. Conductive plate is electrically connected to the contact pads of the pair of dies. Conductive plate extends over the outermost dielectric layer of the redistribution structure and over the pair of dies. Vertical projection of the conductive plate falls on spans of the dies of the pair of dies.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chung-Hao Tsai, Chen-Hua Yu, Chuei-Tang Wang, Wei-Ting Chen, Chien-Hsun Chen, Shih-Ya Huang
  • Publication number: 20240061195
    Abstract: A package assembly and a manufacturing method thereof are provided. The package assembly includes a first package component and an optical signal port disposed aside the first package component. The first package component includes a first die including an electronic integrated circuit, a first insulating encapsulation laterally covering the first die, a redistribution structure disposed on the first die and the first insulating encapsulation, and a second die including a photonic integrated circuit and electrically coupled to the first die through the redistribution structure. The optical signal port is optically coupled to an edge facet of the second die of the first package component.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Chieh Chang, Chung-Hao Tsai, Chen-Hua Yu, Chuei-Tang Wang
  • Publication number: 20240063160
    Abstract: A semiconductor package structure and a manufacturing method thereof is provided. The semiconductor package includes a first semiconductor die, including a semiconductor substrate and a first interconnect structure disposed on the semiconductor substrate; a second semiconductor die disposed on and electrically connected to the first semiconductor die, including a second semiconductor substrate and a second interconnect structure; a third interconnect structure, where in the second interconnect structure and the third interconnect structure are disposed on opposite sides of the second semiconductor substrate, and wherein the second interconnect structure is between the first interconnect structure and the third interconnect structure.
    Type: Application
    Filed: August 21, 2022
    Publication date: February 22, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Hsin Lu, Chung-Hao Tsai, Chuei-Tang WANG, Chen-Hua Yu
  • Publication number: 20240038669
    Abstract: A method includes forming a reconstructed wafer, which includes forming a redistribution structure over a carrier, bonding a first plurality of memory dies over the redistribution structure, bonding a plurality of bridge dies over the redistribution structure, and bonding a plurality of logic dies over the first plurality of memory dies and the plurality of bridge dies. Each of the plurality of bridge dies interconnects, and is overlapped by corner regions of, four of the plurality of logic dies. A second plurality of memory dies are bonded over the plurality of logic dies. The plurality of logic dies form a first array, and the second plurality of memory dies form a second array.
    Type: Application
    Filed: July 20, 2023
    Publication date: February 1, 2024
    Inventors: Chen-Hua Yu, Chieh-Yen Chen, Chuei-Tang Wang, Chung-Hao Tsai
  • Patent number: 11854928
    Abstract: A semiconductor package includes an integrated circuit (IC) structure, an insulating encapsulation laterally covering the IC structure, and a redistribution structure disposed on the insulating encapsulation and the IC structure. The redistribution structure is electrically connected to the IC structure. The IC structure includes a first die, a capacitor structure, a dielectric layer laterally covering the first die and the capacitor structure, and a second die disposed on the dielectric layer, the first die, and the capacitor structure. The second die interacts with the capacitor structure, where a bonding interface between the second die and the first die is substantially coplanar with a bonding interface between the second die and the dielectric layer. A manufacturing method of a semiconductor package is also provided.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chuei-Tang Wang, Tzu-Chun Tang, Wei-Ting Chen, Chung-Hao Tsai
  • Patent number: 11855046
    Abstract: A package includes a memory stack attached to a logic device, the memory stack including first memory structures, a first redistribution layer over and electrically connected to the first memory structures, second memory structures on the first redistribution layer, a second redistribution layer over and electrically connected to the second memory structures, and first metal pillars on the first redistribution layer and adjacent the second memory structures, the first metal pillars electrically connecting the first redistribution layer and the second redistribution layer, wherein each first memory structure of the first memory structures includes a memory die comprising first contact pads and a peripheral circuitry die comprising second contact pads, wherein the first contact pads of the memory die are bonded to the second contact pads of the peripheral circuitry die.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Hua Yu, Chung-Hao Tsai, Chuei-Tang Wang, Yih Wang
  • Patent number: 11841541
    Abstract: A package assembly and a manufacturing method thereof are provided. The package assembly includes a first package component and an optical signal port disposed aside the first package component. The first package component includes a first die including an electronic integrated circuit, a first insulating encapsulation laterally covering the first die, a redistribution structure disposed on the first die and the first insulating encapsulation, and a second die including a photonic integrated circuit and electrically coupled to the first die through the redistribution structure. The optical signal port is optically coupled to an edge facet of the second die of the first package component.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: December 12, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Chieh Chang, Chung-Hao Tsai, Chen-Hua Yu, Chuei-Tang Wang
  • Patent number: 11830864
    Abstract: A method includes forming multiple photonic devices in a semiconductor wafer, forming a v-shaped groove in a first side of the semiconductor wafer, forming an opening extending through the semiconductor wafer, forming multiple conductive features within the opening, wherein the conductive features extend from the first side of the semiconductor wafer to a second side of the semiconductor wafer, forming a polymer material over the v-shaped groove, depositing a molding material within the opening, wherein the multiple conductive features are separated by the molding material, after depositing the molding material, removing the polymer material to expose the v-shaped groove, and placing an optical fiber within the v-shaped groove.
    Type: Grant
    Filed: March 13, 2023
    Date of Patent: November 28, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chih-Chieh Chang, Chung-Hao Tsai, Chuei-Tang Wang, Hsing-Kuo Hsia, Chen-Hua Yu
  • Publication number: 20230369302
    Abstract: A method includes bonding a capacitor die to a device die. The device die includes a first semiconductor substrate, active devices at a surface of the first semiconductor substrate, a plurality of low-k dielectric layers, a first dielectric layer over and contacting a top low-k dielectric layer in the plurality of low-k dielectric layers, and a first plurality of bond pads in the first dielectric layer. The capacitor die includes a second dielectric layer bonding to the first dielectric layer, a second plurality of bond pads in the second dielectric layer and bonding to the first plurality of bond pads, and a capacitor electrically coupled to the second plurality of bond pads. After the capacitor die is bonded to the device die, an aluminum-containing pad is formed over the capacitor die and electrically coupled to the device die. A polymer layer is formed over the aluminum-containing pad.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 16, 2023
    Inventors: Chen-Hua Yu, Chung-Hao Tsai, Chuei-Tang Wang, Chieh-Yen Chen
  • Publication number: 20230352471
    Abstract: In an embodiment, a method includes: bonding a back side of a first memory device to a front side of a second memory device with dielectric-to-dielectric bonds and with metal-to-metal bonds; after the bonding, forming first conductive bumps through a first dielectric layer at a front side of the first memory device, the first conductive bumps raised from a major surface of the first dielectric layer; testing the first memory device and the second memory device using the first conductive bumps; and after the testing, attaching a logic device to the first conductive bumps with reflowable connectors.
    Type: Application
    Filed: June 29, 2023
    Publication date: November 2, 2023
    Inventors: Chen-Hua Yu, Chung-Hao Tsai, Chuei-Tang Wang
  • Patent number: 11784172
    Abstract: A method includes bonding a capacitor die to a device die. The device die includes a first semiconductor substrate, active devices at a surface of the first semiconductor substrate, a plurality of low-k dielectric layers, a first dielectric layer over and contacting a top low-k dielectric layer in the plurality of low-k dielectric layers, and a first plurality of bond pads in the first dielectric layer. The capacitor die includes a second dielectric layer bonding to the first dielectric layer, a second plurality of bond pads in the second dielectric layer and bonding to the first plurality of bond pads, and a capacitor electrically coupled to the second plurality of bond pads. After the capacitor die is bonded to the device die, an aluminum-containing pad is formed over the capacitor die and electrically coupled to the device die. A polymer layer is formed over the aluminum-containing pad.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: October 10, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING HSINCHU, CO., LTD.
    Inventors: Chen-Hua Yu, Chung-Hao Tsai, Chuei-Tang Wang, Chieh-Yen Chen
  • Publication number: 20230314702
    Abstract: A package includes an encapsulant having a first side and a second side opposite to the first side, a first integrated circuit die and a second integrated circuit die embedded in the encapsulant, and a first interposer on the first side of the encapsulant. The first interposer is mechanically and electrically coupled to the first integrated circuit die and the second integrated circuit die. The package further includes a second interposer on the second side of the encapsulant. The second interposer is mechanically and electrically coupled to the first integrated circuit die and the second integrated circuit die. The second interposer optically or electrically couples the first integrated circuit die to the second integrated circuit die.
    Type: Application
    Filed: July 14, 2022
    Publication date: October 5, 2023
    Inventors: Chen-Hua Yu, Chuei-Tang Wang, Wen-Hao Cheng, Tung-Liang Shao, Chung-Hao Tsai