Patents by Inventor Kai-Chiang Wu

Kai-Chiang Wu 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: 20180211935
    Abstract: A surface mounting semiconductor component includes a semiconductor device, a circuit board, a number of first solder bumps, and a number of second solder bumps. The semiconductor device included a number of die pads. The circuit board includes a number of contact pads. The first solder bumps are configured to bond the semiconductor device and the circuit board. Each of the first solder bumps connects at least two die pads with a corresponding contact pad. Each of the second solder bumps connects a die pad with a corresponding contact pad.
    Type: Application
    Filed: March 20, 2018
    Publication date: July 26, 2018
    Inventors: MING-KAI LIU, CHUN-LIN LU, KAI-CHIANG WU, SHIH-WEI LIANG, CHING-FENG YANG, YEN-PING WANG, CHIA-CHUN MIAO
  • Patent number: 10008467
    Abstract: A semiconductor structure includes a semiconductor substrate, a pad, a circuit board, a first bump, and a second bump. The pad is disposed on a top surface of the semiconductor substrate. The circuit board includes a contact area corresponding to the pad on the top surface of the semiconductor substrate. The first bump is between the pad on the top surface of the semiconductor substrate and the contact area, wherein the contact area includes a non-metallic surface. The second bump is adjacent the first bump, wherein a first central width of the first bump is larger than a second central width of the second bump.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: June 26, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chun-Lin Lu, Kai-Chiang Wu
  • Publication number: 20180158787
    Abstract: An integrated fan-out package including an insulating encapsulation, a radio frequency integrated circuit (RF-IC), an antenna, a ground conductor, and a redistribution circuit structure is provided. The integrated circuit includes a plurality of conductive terminals. The RF-IC, the antenna, and the ground conductor are embedded in the insulating encapsulation. The ground conductor is between the RF-IC and the antenna. The redistribution circuit structure is disposed on the insulating encapsulation, and the redistribution circuit structure is electrically connected to the conductive terminals, the antenna, and the ground conductor.
    Type: Application
    Filed: December 2, 2016
    Publication date: June 7, 2018
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shou-Zen Chang, Chung-Hao Tsai, Chuei-Tang Wang, Kai-Chiang Wu, Ming-Kai Liu
  • Publication number: 20180151501
    Abstract: A semiconductor structure includes a first die; a first molding encapsulating the first die; a second die disposed over the first molding, and including a first surface, a second surface opposite to the first surface, and a sidewall between the first surface and the second surface; and a second molding disposed over the first molding and surrounding the second die, wherein the first surface of the second die faces the first molding, and the second die is at least partially covered by the second molding.
    Type: Application
    Filed: March 15, 2017
    Publication date: May 31, 2018
    Inventors: CHEN-HUA YU, KAI-CHIANG WU, CHUN-LIN LU
  • Publication number: 20180130756
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first device. The semiconductor device structure includes a conductive element over the first device. The semiconductor device structure includes a first conductive shielding layer between the first device and the conductive element. The first conductive shielding layer has openings, and a maximum width of the opening is less than a wavelength of an energy generated by the first device. The semiconductor device structure includes a second conductive shielding layer under the first device. The first device is between the first conductive shielding layer and the second conductive shielding layer, and the second conductive shielding layer has a plurality of second openings.
    Type: Application
    Filed: January 10, 2018
    Publication date: May 10, 2018
    Inventors: Shou-Zen CHANG, Chi-Ming HUANG, Kai-Chiang WU, Sen-Kuei HSU, Hsin-Yu PAN, Han-Ping PU, Albert WAN
  • Patent number: 9966321
    Abstract: An interposer may comprise a metal layer above a substrate. A dam or a plurality of dams may be formed above the metal layer. A dam surrounds an area of a size larger than a size of a die which may be connected to a contact pad above the metal layer within the area. A dam may comprise a conductive material, or a non-conductive material, or both. An underfill may be formed under the die, above the metal layer, and contained within the area surrounded by the dam, so that no underfill may overflow outside the area surrounded by the dam. Additional package may be placed above the die connected to the interposer to form a package-on-package structure.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: May 8, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Lin Lu, Kai-Chiang Wu, Yen-Ping Wang, Shih-Wei Liang, Ching-Feng Yang
  • Patent number: 9953942
    Abstract: The present disclosure provides a semiconductor package, which includes a substrate, a passivation layer, a post-passivation interconnect (PPI) having a top surface; and a conductive structure. The top surface of the PPI includes a first region receiving the conductive structure, and a second region surrounding the first region. The second region includes metal derivative transformed from materials made of the first region. The present disclosure provide a method of manufacturing a semiconductor package, including forming a first flux layer covering a portion of a top surface of a PPI; transforming a portion of the top surface of the PPI uncovered by the first flux layer into a metal derivative layer; removing the first flux layer; forming a second flux layer on the first region of the PPI; dropping a solder ball on the flux layer; and forming electrical connection between the solder ball and the PPI.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: April 24, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chao-Wen Shih, Kai-Chiang Wu, Ching-Feng Yang, Ming-Kai Liu, Shih-Wei Liang, Yen-Ping Wang
  • Patent number: 9953966
    Abstract: A semiconductor device having a semiconductor substrate is provided. The semiconductor substrate includes an integrated circuit, which includes multi-layer structured metallization and inter-metal dielectric. The integrated circuit is below a passivation, which is over a metal structure. The metal structure includes a metal pad and an under bumper metallurgy, which is over and aligned with the metal pad. The metal pad is electrically connected to the integrated circuit, and the under bumper metallurgy is configured to electrically connect to a conductive component of another semiconductor device. The integrated circuit further includes a conductive trace, which is below and aligned with the metal structure. The conductive trace is connected to a power source such that an electromagnetic field is generated at the conductive trace when an electric current from the power source passes through the conductive trace.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: April 24, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chia-Chun Miao, Shih-Wei Liang, Kai-Chiang Wu, Yen-Ping Wang
  • Patent number: 9941140
    Abstract: Semiconductor devices and methods of manufacture thereof are disclosed. In some embodiments, a semiconductor device includes a substrate, and a plurality of contact pads disposed over the substrate. The contact pads may be arranged in a ball grid array (BGA), and the may include a plurality of corners. A metal dam is disposed around each of the plurality of corners, such as corners of the BGA.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: April 10, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Feng Chen, Kai-Chiang Wu, Chun-Lin Lu, Hung-Jui Kou
  • Patent number: 9941240
    Abstract: A surface mounting semiconductor component includes a semiconductor device, a circuit board, a number of first solder bumps, and a number of second solder bumps. The semiconductor device included a number of die pads. The circuit board includes a number of contact pads. The first solder bumps are configured to bond the semiconductor device and the circuit board. Each of the first solder bumps connects at least two die pads with a corresponding contact pad. Each of the second solder bumps connects a die pad with a corresponding contact pad. A method of forming a surface mounting component or a chip scale package assembly wherein the component or assembly has at least two different types of solder bumps.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: April 10, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Ming-Kai Liu, Chun-Lin Lu, Kai-Chiang Wu, Shih-Wei Liang, Ching-Feng Yang, Yen-Ping Wang, Chia-Chun Miao
  • Publication number: 20180061808
    Abstract: A package structure includes a package, at least one second molding material, and at least one electronic component. The package includes at least one first semiconductor device therein, a first molding material, at least one dielectric layer and at least one redistribution line. The first molding material is at least in contact with at least one sidewall of the first semiconductor device. The dielectric layer is over the first semiconductor device and the first molding material. The redistribution line is present at least partially in the dielectric layer and is electrically connected to the first semiconductor device. The second molding material is present on the package. The electronic component is present on the package and is external to the second molding material.
    Type: Application
    Filed: November 3, 2017
    Publication date: March 1, 2018
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chuei-Tang WANG, Kai-Chiang WU, Chieh-Yen CHEN, Yen-Ping WANG, Shou-Zen CHANG
  • Publication number: 20180061798
    Abstract: A semiconductor device includes a first carrier including a first pad, a second carrier including a second pad disposed opposite to the first pad, a joint coupled with and standing on the first pad, a joint encapsulating the post and bonding the first pad with the second pad, a first entire contact interface between the first pad and the joint, a second entire contact interface between the first pad and the post, and a third entire contact interface between the joint and the second pad. The first entire contact interface, the second entire contact interface and the third entire contact interface are flat surfaces. A distance between the first entire contact interface and the third entire contact interface is equal to a distance between the second entire contact interface and the third entire contact interface. The second entire contact interface is a continuous surface.
    Type: Application
    Filed: October 30, 2017
    Publication date: March 1, 2018
    Inventors: CHUN-LIN LU, KAI-CHIANG WU, MING-KAI LIU, YEN-PING WANG, SHIH-WEI LIANG, CHING-FENG YANG, CHIA-CHUN MIAO, HAO-YI TSAI
  • Patent number: 9875913
    Abstract: A method of packaging an integrated circuit includes forming a first integrated circuit and a second integrated circuit on a wafer, the first and second integrated circuit separated by a singulation region. The method includes covering the first and second integrated circuits with a molding compound, and sawing through a top portion of the molding compound using a first beveled saw blade, while leaving a bottom portion of the molding compound remaining. The method further includes sawing through the bottom portion of the molding compound and the wafer using a second saw blade, the second saw blade having a thickness that is less than a thickness of the first saw blade. The resulting structure is within the scope of the present disclosure.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: January 23, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ming-Kai Liu, Yen-Ping Wang, Kai-Chiang Wu
  • Patent number: 9875972
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first device. The semiconductor device structure includes a conductive element over the first device. The semiconductor device structure includes a first conductive shielding layer between the first device and the conductive element. The first conductive shielding layer has openings, and a maximum width of the opening is less than a wavelength of an energy generated by the first device.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: January 23, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Shou-Zen Chang, Chi-Ming Huang, Kai-Chiang Wu, Sen-Kuei Hsu, Hsin-Yu Pan, Han-Ping Pu, Albert Wan
  • Publication number: 20180019209
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first device. The semiconductor device structure includes a conductive element over the first device. The semiconductor device structure includes a first conductive shielding layer between the first device and the conductive element. The first conductive shielding layer has openings, and a maximum width of the opening is less than a wavelength of an energy generated by the first device.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 18, 2018
    Inventors: Shou-Zen CHANG, Chi-Ming HUANG, Kai-Chiang WU, Sen-Kuei HSU, Hsin-Yu PAN, Han-Ping PU, Albert WAN
  • Patent number: 9818722
    Abstract: A package structure includes a package, at least one first molding material, and at least one second semiconductor device. The package includes at least one first semiconductor device therein. The package has a top surface. The first molding material is present on the top surface of the package and has at least one opening therein, in which at least a region of the top surface of the package is exposed by the opening of the first molding material. The second semiconductor device is present on the top surface of the package and is molded in the first molding material.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: November 14, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chuei-Tang Wang, Kai-Chiang Wu, Chieh-Yen Chen, Yen-Ping Wang, Shou-Zen Chang
  • Patent number: 9806045
    Abstract: A semiconductor device includes a carrier, an under bump metallurgy (UBM) pad on the carrier, and a post on a surface of the UBM pad. In some embodiments, a height of the post to a longest length of the UBM pad is between about 0.25 and about 0.7. A method of manufacturing a semiconductor device includes providing a carrier, disposing a UBM pad on the carrier and forming a post on the UBM pad.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: October 31, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chun-Lin Lu, Kai-Chiang Wu, Ming-Kai Liu, Yen-Ping Wang, Shih-Wei Liang, Ching-Feng Yang, Chia-Chun Miao, Hao-Yi Tsai
  • Publication number: 20170256477
    Abstract: A structure includes a die substrate; a passivation layer on the die substrate; first and second interconnect structures on the passivation layer; and a barrier on the passivation layer, at least one of the first or second interconnect structures, or a combination thereof. The first and second interconnect structures comprise first and second via portions through the passivation layer to first and second conductive features of the die substrate, respectively. The first and second interconnect structures further comprise first and second pads, respectively, and first and second transition elements on a surface of the passivation layer between the first and second via portion and the first and second pad, respectively. The barrier is disposed between the first pad and the second pad. The barrier does not fully encircle at least one of the first pad or the second pad.
    Type: Application
    Filed: May 22, 2017
    Publication date: September 7, 2017
    Inventors: Chia-Chun Miao, Kai-Chiang Wu, Shih-Wei Liang
  • Publication number: 20170250129
    Abstract: A method of manufacturing a packaging device may include: forming a plurality of through-substrate vias (TSVs) in a substrate, wherein each of the plurality of TSVs has a protruding portion extending away from a major surface of the substrate. A seed layer may be forming over the protruding portions of the plurality of TSVs, and a conductive ball may be coupled to the seed layer and the protruding portion of each of the plurality of TSVs. The seed layer and the protruding portion of each of the plurality of TSVs may extend into an interior region of the conductive ball.
    Type: Application
    Filed: May 16, 2017
    Publication date: August 31, 2017
    Inventors: Shih-Wei Liang, Kai-Chiang Wu, Ming-Che Ho, Yi-Wen Wu
  • Publication number: 20170250114
    Abstract: A method of packaging an integrated circuit includes forming a first integrated circuit and a second integrated circuit on a wafer, the first and second integrated circuit separated by a singulation region. The method includes covering the first and second integrated circuits with a molding compound, and sawing through the molding compound and a top portion of the wafer using a beveled saw blade, while leaving a bottom portion of the wafer remaining. The method further includes sawing through the bottom portion of the wafer using a second saw blade, the second saw blade having a thickness that is less than a thickness of the beveled saw blade. The resulting structure is within the scope of the present disclosure.
    Type: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Inventors: Yen-Ping Wang, Ming-Kai Liu, Kai-Chiang Wu