Patents by Inventor De Wang

De Wang 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: 20170345741
    Abstract: An integrated fan-out package is described. The integrated fan-out package comprises a first die and a second die arranged adjacent to each other. A molding compound encapsulates the first and second dies. A redistribution structure is disposed over the molding compound and on the first and second dies. The redistribution structure comprises a first connection structure electrically connected to the first die, a second connection structure electrically connected to the second die and an inter-dielectric layer located between the first and second connection structures and separating the first connection structure from the second connection structure. The ball pad is disposed on the redistribution structure and electrically connected with the first die or the second die. The bridge structure is disposed on the first connection structure and on the second connection structure and electrically connects the first die with the second die.
    Type: Application
    Filed: July 4, 2016
    Publication date: November 30, 2017
    Inventors: Chi-Hsi Wu, Chun-Yi Liu, Der-Chyang Yeh, Hsien-Wei Chen, Shih-Peng Tai, Chuen-De Wang
  • Publication number: 20170338239
    Abstract: A semiconductor structure includes a substrate and a plurality of memory cells disposed on the substrate. Each memory cell includes a gate structure. The gate structures are spaced from each other by a spacing S. Each gate structure includes a dielectric layer and a gate electrode. The dielectric layer has an U-shape and defines an opening toward upside. The gate electrode is disposed in the opening. Each gate structure has a length L. A ratio of S/L is smaller than 1.
    Type: Application
    Filed: May 23, 2016
    Publication date: November 23, 2017
    Inventors: Wei-Chang Liu, Zhen Chen, Shen-De Wang, Wei Ta, Wang Xiang, Yi-Shan Chiu
  • Patent number: 9818735
    Abstract: A method of manufacturing a semiconductor device includes providing a first semiconductor chip comprising a first metallic structure, a first surface and a second surface opposite to the first surface; providing a second semiconductor chip comprising a second metallic structure; bonding the first semiconductor chip with the second semiconductor chip on the second surface; forming a first recessed portion including a first sidewall and a first bottom surface coplanar with a top surface of the first metallic structure; forming a second recessed portion including a second sidewall and a second bottom surface coplanar with a top surface of the second metallic structure; forming a dielectric layer over the first sidewall and the second sidewall; and forming a conductive material over the dielectric layer, the top surface of the first metallic structure and the top surface of the second metallic structure.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: November 14, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Cheng-Ying Ho, Wen-De Wang, Jen-Cheng Liu, Dun-Nian Yaung
  • Patent number: 9812381
    Abstract: An integrated fan-out package is described. The integrated fan-out package comprises a first die and a second die arranged adjacent to each other. A molding compound encapsulates the first and second dies. A redistribution structure is disposed over the molding compound and on the first and second dies. The redistribution structure comprises a first connection structure electrically connected to the first die, a second connection structure electrically connected to the second die and an inter-dielectric layer located between the first and second connection structures and separating the first connection structure from the second connection structure. The ball pad is disposed on the redistribution structure and electrically connected with the first die or the second die. The bridge structure is disposed on the first connection structure and on the second connection structure and electrically connects the first die with the second die.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: November 7, 2017
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chi-Hsi Wu, Chun-Yi Liu, Der-Chyang Yeh, Hsien-Wei Chen, Shih-Peng Tai, Chuen-De Wang
  • Patent number: 9812409
    Abstract: A method includes providing a substrate having a seal ring region and a circuit region, forming a seal ring structure over the seal ring region, forming a first frontside passivation layer above the seal ring structure, etching a frontside aperture in the first frontside passivation layer adjacent to an exterior portion of the seal ring structure, forming a frontside metal pad in the frontside aperture to couple the frontside metal pad to the exterior portion of the seal ring structure, forming a first backside passivation layer below the seal ring structure, etching a backside aperture in the first backside passivation layer adjacent to the exterior portion of the seal ring structure, and forming a backside metal pad in the backside aperture to couple the backside metal pad to the exterior portion of the seal ring structure. Semiconductor devices fabricated by such a method are also provided.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: November 7, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jeng-Shyan Lin, Dun-Nian Yaung, Jen-Cheng Liu, Hsin-Hui Lee, Wen-De Wang, Shu-Ting Tsai
  • Patent number: 9806255
    Abstract: A resistive random access memory includes a lower electrode, an upper electrode and a resistive layer between the lower electrode and the upper electrode, wherein the resistive layer includes a constant-resistance portion and a variable-resistance portion surrounding the constant-resistance portion.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: October 31, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chia-Ching Hsu, Liang Yi, Shen-De Wang, Ko-Chi Chen
  • Patent number: 9806119
    Abstract: A semiconductor device includes a first semiconductor chip including a first substrate, a plurality of first dielectric layers and a plurality of conductive lines formed in the first dielectric layers over the first substrate. The semiconductor device further includes a second semiconductor chip having a surface bonded to a first surface of the first semiconductor chip, the second semiconductor chip including a second substrate, a plurality of second dielectric layers and a plurality of second conductive lines formed in the second dielectric layers over the second substrate. The semiconductor device further includes a first conductive feature extending from the first semiconductor chip to one of the plurality of second conductive lines, and a first seal ring structure extending from the first semiconductor chip to the second semiconductor chip.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: October 31, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-Ying Ho, Pao-Tung Chen, Wen-De Wang, Jen-Cheng Liu, Dun-Nian Yaung
  • Patent number: 9799705
    Abstract: The present invention provides a semiconductor device. The semiconductor device includes a contact structure disposed in a first dielectric layer, a second dielectric layer disposed on the first dielectric layer and having an opening disposed therein, a spacer disposed in the opening and partially covering the contact structure, and a resistive random-access memory (RRAM) disposed on the contact structure and directly contacting the spacer, wherein the RRAM includes a bottom electrode, a top electrode, and a switching resistance layer disposed between the bottom electrode and the top electrode.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: October 24, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Liang Yi, Chia-Ching Hsu, Shen-De Wang, Ko-Chi Chen, Guoan Du
  • Patent number: 9773828
    Abstract: An image sensor device includes a first substrate, an interconnect structure, a conductive layer, a conductive via and a second substrate. The first substrate includes a first region including a pixel array and a second region including a circuit. The interconnect structure is over the pixel array or the circuit. The interconnect structure electrically connecting the circuit to the pixel array. The conductive layer is on the interconnect structure. The conductive via passes through the second substrate and at least partially embedded in the conductive layer. The second substrate is over the conductive layer.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: September 26, 2017
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Wen-De Wang, Dun-Nian Yaung, Jen-Cheng Liu, Chun-Chieh Chuang, Jeng-Shyan Lin
  • Publication number: 20170271386
    Abstract: A device includes a semiconductor substrate and implant isolation region extending from a top surface of the semiconductor substrate into the semiconductor substrate surrounding an active region. A gate dielectric is disposed over an active region of the semiconductor substrate, wherein the gate dielectric extends over the implant isolation region. A gate electrode is disposed over the gate dielectric and an end cap dielectric layer is between the gate dielectric and the gate electrode over the implant isolation region.
    Type: Application
    Filed: June 5, 2017
    Publication date: September 21, 2017
    Inventors: Min-Feng Kao, Dun-Nian Yaung, Jen-Cheng Liu, Tzu-Hsuan Hsu, Wen-De Wang, Wen-I Hsu
  • Patent number: 9768138
    Abstract: A device includes a work piece including a metal bump; and a dielectric layer having a portion directly over the metal bump. The metal bump and a surface of the portion of the dielectric layer form an interface. A metal finish is formed over and contacting the metal bump. The metal finish extends from over the dielectric layer to below the interface.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: September 19, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wen-Wei Shen, Chen-Shien Chen, Chen-Cheng Kuo, Ming-Fa Chen, Rung-De Wang
  • Patent number: 9761680
    Abstract: The present invention provides a semiconductor device, including a substrate with a memory region and a logic region, the substrate having a recess disposed in the memory region, a logic gate stack disposed in the logic region, and a non-volatile memory disposed in the recess. The non-volatile memory includes at least two floating gates and at least two control gates disposed on the floating gates, where each floating gate has a step-shaped bottom, and the step-shaped bottom includes a first bottom surface and a second bottom surface lower than the first bottom surface.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: September 12, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Dongdong Li, Ko-Chi Chen, Shen-De Wang
  • Publication number: 20170250215
    Abstract: An integrated circuit structure includes a semiconductor substrate, and a dielectric pad extending from a bottom surface of the semiconductor substrate up into the semiconductor substrate. A low-k dielectric layer is disposed underlying the semiconductor substrate. A first non-low-k dielectric layer is underlying the low-k dielectric layer. A metal pad is underlying the first non-low-k dielectric layer. A second non-low-k dielectric layer is underlying the metal pad. An opening extends from a top surface of the semiconductor substrate down to penetrate through the semiconductor substrate, the dielectric pad, and the low-k dielectric layer, wherein the opening lands on a top surface of the metal pad. A passivation layer includes a portion on a sidewall of the opening, wherein a portion of the passivation layer at a bottom of the opening is removed.
    Type: Application
    Filed: May 15, 2017
    Publication date: August 31, 2017
    Inventors: Jeng-Shyan Lin, Dun-Nian Yaung, Jen-Cheng Liu, Wen-De Wang, Shuang-Ji Tsai, Yueh-Chiou Lin
  • Patent number: 9748256
    Abstract: Provided is a semiconductor device including a memory gate structure and a select gate structure. The memory gate structure is closely adjacent to the select gate structure. Besides, an air gap encapsulated by an insulating layer is disposed between the memory gate structure and the select gate structure.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: August 29, 2017
    Assignee: United Microelectronics Corp.
    Inventors: Wei-Chang Liu, Zhen Chen, Shen-De Wang, Wang Xiang, Yi-Shan Chiu, Wei Ta
  • Publication number: 20170221913
    Abstract: A method of fabricating a semiconductor device includes providing a substrate with a memory region and a logic region, forming a recess of the substrate in the memory region, forming a non-volatile gate stack in the recess, and forming a logic gate stack in the logic region after forming the non-volatile gate stack.
    Type: Application
    Filed: April 13, 2017
    Publication date: August 3, 2017
    Inventors: Chia-Ching Hsu, Ko-Chi Chen, Shen-De Wang
  • Publication number: 20170221911
    Abstract: The flash memory includes a stacked gate disposed on a substrate. The stacked gate includes an erase gate and two floating gates. Each floating gate has an acute angle pointing toward the erase gate. There is a high electric field formed around the acute angle so that the flash memory can perform an erase mode even at a lower operational voltage. Furthermore, the flash memory does not use any control gate to perform a write mode.
    Type: Application
    Filed: March 28, 2016
    Publication date: August 3, 2017
    Inventors: Liang Yi, Ko-Chi Chen, Shen-De Wang
  • Publication number: 20170162622
    Abstract: BSI image sensors and methods. In an embodiment, a substrate is provided having a sensor array and a periphery region and having a front side and a back side surface; a bottom anti-reflective coating (BARC) is formed over the back side to a first thickness, over the sensor array region and the periphery region; forming a first dielectric layer over the BARC; a metal shield is formed; selectively removing the metal shield from over the sensor array region; selectively removing the first dielectric layer from over the sensor array region, wherein a portion of the first thickness of the BARC is also removed and a remainder of the first thickness of the BARC remains during the process of selectively removing the first dielectric layer; forming a second dielectric layer over the remainder of the BARC and over the metal shield; and forming a passivation layer over the second dielectric layer.
    Type: Application
    Filed: February 20, 2017
    Publication date: June 8, 2017
    Inventors: Chun-Chieh Chuang, Dun-Nian Yaung, Jen-Cheng Liu, Wen-De Wang, Keng-Yu Chou, Shuang-Ji Tsai, Min-Feng Kao
  • Patent number: 9673246
    Abstract: A method for fabricating a semiconductor device with improved bonding ability is disclosed. The method comprises providing a substrate having a front surface and a back surface; forming one or more sensor elements on the front surface of the substrate; forming one or more metallization layers over the front surface of the substrate, wherein forming a first metallization layer comprises forming a first conductive layer over the front surface of the substrate; removing the first conductive layer from a first region of the substrate; forming a second conductive layer over the front surface of the substrate; and removing portions of the second conductive layer from the first region and a second region of the substrate, wherein the first metallization layer in the first region comprises the second conductive layer and the first metallization layer in the second region comprises the first conductive layer and the second conductive layer.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: June 6, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chun-Chieh Chuang, Dun-Nian Yaung, Jen-Cheng Liu, Wen-De Wang, Jhy-Ming Hung, Pao-Tung Chen
  • Patent number: 9673245
    Abstract: A device includes a semiconductor substrate and implant isolation region extending from a top surface of the semiconductor substrate into the semiconductor substrate surrounding an active region. A gate dielectric is disposed over an active region of the semiconductor substrate, wherein the gate dielectric extends over the implant isolation region. A gate electrode is disposed over the gate dielectric and an end cap dielectric layer is between the gate dielectric and the gate electrode over the implant isolation region.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: June 6, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Min-Feng Kao, Dun-Nian Yaung, Jen-Cheng Liu, Tzu-Hsuan Hsu, Wen-De Wang, Wen-I Hsu
  • Publication number: 20170154918
    Abstract: Provided is a method of fabricating an image sensor device. An exemplary includes forming a plurality of radiation-sensing regions in a substrate. The substrate has a front surface, a back surface, and a sidewall that extends from the front surface to the back surface. The exemplary method further includes forming an interconnect structure over the front surface of the substrate, removing a portion of the substrate to expose a metal interconnect layer of the interconnect structure, and forming a bonding pad on the interconnect structure in a manner so that the bonding pad is electrically coupled to the exposed metal interconnect layer and separated from the sidewall of the substrate.
    Type: Application
    Filed: February 13, 2017
    Publication date: June 1, 2017
    Inventors: Shuang-Ji Tsai, Dun-Nian Yaung, Jen-Cheng Liu, Wen-De Wang, Hsiao-Hui Tseng