Patents by Inventor Nan-Cheng Chen

Nan-Cheng 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: 20150097277
    Abstract: A system-in-package includes a package carrier; a first semiconductor die having a die face and a die edge, the first semiconductor die being assembled face-down to a chip side of the package carrier, wherein a plurality of contact pads are situated on the die face; a second semiconductor die mounted on the package carrier and adjacent to the first semiconductor die; a rewiring laminate structure between the first semiconductor die and the package carrier, the rewiring laminate structure comprising a re-routed metal layer, wherein at least a portion of the re-routed metal layer projects beyond the die edge; and a plurality of copper pillar bumps arranged on the rewiring laminate structure for electrically connecting the first semiconductor die with the package carrier.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 9, 2015
    Applicant: MEDIATEK INC.
    Inventors: Nan-Cheng Chen, Che-Ya Chou
  • Publication number: 20140264812
    Abstract: The invention provides a semiconductor package assembly. The semiconductor package assembly includes a first semiconductor package. The first semiconductor package includes a first body having a first device-attach surface and a first bump-attach surface opposite to the first device-attach surface. A second semiconductor package is bonded to the first device-attach surface of the first semiconductor package. The second package includes a second body having a second device-attach surface and a second bump-attach surface opposite to the second device-attach surface. A dynamic random access memory (DRAM) device is mounted on the second device-attach surface. A decoupling capacitor is mounted on the second device-attach surface. Conductive structures are disposed on the second bump-attach surface of the second package, connecting to the first bump-attach surface of the first body of the first semiconductor package.
    Type: Application
    Filed: February 25, 2014
    Publication date: September 18, 2014
    Applicant: MediaTek Inc.
    Inventors: Sheng-Ming CHANG, Tung-Hsien HSIEH, Nan-Cheng CHEN
  • Patent number: 8749038
    Abstract: A substrate module having an embedded phase-locked loop is cooperated with at least one function unit mounted thereon for forming an integrated system. The substrate module includes a base, a multi-layer structure, a built-in circuit unit, and an external circuit unit. The built-in circuit unit is integrated inside the multi-layer structure and the multi-layer structure is formed in the base. The external circuit unit is mounted on the upper surface of the base and is electrically coupled to the built-in circuit unit for jointly forming a phase-locked loop, so as to cooperate with the function unit.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: June 10, 2014
    Assignee: Azurewave Technologies, Inc.
    Inventors: Chung-Er Huang, Nan-Cheng Chen
  • Publication number: 20140109035
    Abstract: A layout method for a printed circuit board (PCB) is provided. A memory type of a dynamic random access memory (DRAM) to be mounted on the PCB is obtained. A module group is obtained from a database according to the memory type of the DRAM, wherein the module group includes a plurality of routing modules. A plurality of PCB parameters are obtained. A specific routing module is selected from the module group according to the PCB parameters. The specific routing module is implemented into a layout design of the PCB. The specific routing module includes layout information regarding a main chip, a memory chip and a routing configuration between the main chip and the memory chip.
    Type: Application
    Filed: October 1, 2013
    Publication date: April 17, 2014
    Applicant: MEDIATEK INC.
    Inventors: Fu-Kang PAN, Nan-Cheng CHEN, Shih-Chieh LIN, HUI-CHI TANG, Ying LIU, Yang LIU
  • Publication number: 20130277801
    Abstract: According to an embodiment of the invention, a chip package is provided. The chip package includes: a lower chip package; an upper chip package disposed on an upper surface of the lower chip package; at least one conducting element disposed between the lower chip package and the upper chip package; and at least one decoupling capacitor disposed on the upper surface of the lower chip package, wherein the decoupling capacitor is not covered by the upper chip package, and the decoupling capacitor is electrically connected to a power line or a ground line in the lower chip package.
    Type: Application
    Filed: March 8, 2013
    Publication date: October 24, 2013
    Applicant: MediaTek Inc.
    Inventors: Nan-Cheng CHEN, Tung-Hsien HSIEH
  • Patent number: 8525310
    Abstract: A semiconductor package includes a die pad; a semiconductor die mounted on the die pad; a plurality of leads disposed along peripheral edges of the die pad; a ground bar between the leads and the die pad; and a plurality of bridges connecting the ground bar with the die pad, wherein a gap between two adjacent bridges has a length that is equal to or less than 3 mm.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: September 3, 2013
    Assignee: Mediatek Inc.
    Inventors: Nan-Jang Chen, Chun-Wei Chang, Sheng-Ming Chang, Che-Yuan Jao, Ching-Chih Li, Nan-Cheng Chen
  • Publication number: 20130133193
    Abstract: The invention provides a surface mount technology process for an advanced quad flat no-lead package process and a stencil used therewith. The surface mount technology process for an advanced quad flat no-lead package includes providing a printed circuit board. A stencil with first openings is mounted over the printed circuit board. A solder paste is printed passing the first openings to form first solder paste patterns. The stencil is taken off. A component placement process is performed to place the advanced quad flat no-lead package comprising a die pad on the printed circuit board, wherein the first solder paste patterns contact a lower surface of the die pad, and an area ratio of the first openings to the lower surface of the die pad is between 1:2 and 1:10. A reflow process is performed to melt the first solder paste patterns to surround a sidewall of the die pad.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 30, 2013
    Applicant: MEDIATEK SINGAPORE PTE. LTD.
    Inventors: Chih-Tai Hsu, Nan-Cheng Chen, Chih-Ming Chiang, Hung-Chang Hung, Xin Zhong
  • Patent number: 8310051
    Abstract: A package-on-package includes a package carrier; a semiconductor die assembled face-down to a chip side of the package carrier; a rewiring laminate structure between the semiconductor die and the package carrier; a plurality of bumps arranged on the rewiring laminate structure for electrically connecting the semiconductor die with the package carrier; and an IC package mounted on the package carrier. The IC package and the semiconductor die are at least partially overlapped.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: November 13, 2012
    Assignee: Mediatek Inc.
    Inventors: Nan-Cheng Chen, Chih-Tai Hsu
  • Patent number: 8283757
    Abstract: An electronic package is provided. The electronic package comprises a die pad having a die attached thereon. A plurality of leads surrounds the die pad and spaced therefrom to define a ring gap therebetween. At least one first common electrode bar is in the ring gap and substantially coplanar to the die pad, in which at least one of the plurality of leads extends to the first common electrode bar. A molding compound partially encapsulates the die pad and the first common electrode bar, such that the bottom surfaces of the die pad and the first common electrode bar are exposed. A length of the first common electrode bar is substantially equal to a predetermined distance between two pads among a plurality of power or ground pads on a side of the die facing the first common electrode bar. An electronic device with the electronic package is also disclosed.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: October 9, 2012
    Assignee: Mediatek Inc.
    Inventors: Nan-Cheng Chen, Nan-Jang Chen, Ching-Chih Li
  • Publication number: 20120032314
    Abstract: A package-on-package includes a package carrier; a semiconductor die assembled face-down to a chip side of the package carrier; a rewiring laminate structure between the semiconductor die and the package carrier; a plurality of bumps arranged on the rewiring laminate structure for electrically connecting the semiconductor die with the package carrier; and an IC package mounted on the package carrier. The IC package and the semiconductor die are at least partially overlapped.
    Type: Application
    Filed: October 25, 2011
    Publication date: February 9, 2012
    Inventors: Nan-Cheng Chen, Chih-Tai Hsu
  • Patent number: 8093722
    Abstract: A system-in-package includes a package carrier; a first semiconductor die having a die face and a die edge, the first semiconductor die being assembled face-down to a chip side of the package carrier; a second semiconductor die mounted alongside of the first semiconductor die; a rewiring laminate structure comprising a re-routed metal layer between the first semiconductor die and the package carrier. At least a portion of the re-routed metal layer projects beyond the die edge. A plurality of bumps are arranged on the rewiring laminate structure for electrically connecting the first semiconductor die with the package carrier.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: January 10, 2012
    Assignee: Mediatek Inc.
    Inventors: Nan-Cheng Chen, Chih-Tai Hsu
  • Patent number: 8044496
    Abstract: A QFN semiconductor package includes a die attach pad; a semiconductor die mounted on the die attach pad; an inner terminal lead disposed adjacent to the die attach pad; a first wire bonding the inner terminal lead to the semiconductor die; an extended, outer terminal lead disposed along periphery of the QFN semiconductor package, wherein the extended, outer terminal lead is disposed beyond a maximum wire length which is provided for a specific minimum pad opening size on the semiconductor die; an intermediary terminal disposed between the inner terminal lead and the extended, outer terminal lead; a second wire bonding the intermediary terminal to the semiconductor die; and a trace interconnecting the intermediary terminal to the extended, outer terminal lead.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: October 25, 2011
    Assignee: Mediatek Inc.
    Inventors: Tung-Hsien Hsieh, Nan-Cheng Chen
  • Patent number: 8039933
    Abstract: A QFN semiconductor package includes a die attach pad; a semiconductor die mounted on the die attach pad; an inner terminal lead disposed adjacent to the die attach pad; a first wire bonding the inner terminal lead to the semiconductor die; an extended, outer terminal lead disposed along periphery of the QFN semiconductor package, wherein the extended, outer terminal lead is disposed beyond a maximum wire length which is provided for a specific minimum pad opening size on the semiconductor die; an intermediary terminal disposed between the inner terminal lead and the extended, outer terminal lead; a second wire bonding the intermediary terminal to the semiconductor die; and a third wire bonding the intermediary terminal to the extended, outer terminal lead.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: October 18, 2011
    Assignee: Mediatek Inc.
    Inventors: Tung-Hsien Hsieh, Nan-Cheng Chen
  • Patent number: 8039319
    Abstract: A method for making a quad flat non-lead (QFN) semiconductor package includes half etching a first side of a carrier to form top portions of a lead array and a die attach surface of a die attach pad, wherein the lead array includes at least one inner terminal lead disposed adjacent to the die attach pad, at least one extended, outer terminal lead disposed along periphery of the QFN semiconductor package, and at least one intermediary terminal disposed between the inner terminal lead and the extended, outer terminal lead, wherein the intermediary terminal is disposed between the inner terminal lead and the extended, outer terminal lead.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: October 18, 2011
    Assignee: Mediatek Inc.
    Inventors: Tung-Hsien Hsieh, Nan-Cheng Chen
  • Publication number: 20110248394
    Abstract: A semiconductor package includes a die pad; a semiconductor die mounted on the die pad; a plurality of leads disposed along peripheral edges of the die pad; a ground bar between the leads and the die pad; and a plurality of bridges connecting the ground bar with the die pad, wherein a gap between two adjacent bridges has a length that is equal to or less than 3 mm.
    Type: Application
    Filed: April 12, 2011
    Publication date: October 13, 2011
    Inventors: Nan-Jang Chen, Chun-Wei Chang, Sheng-Ming Chang, Che-Yuan Jao, Ching-Chih Li, Nan-Cheng Chen
  • Publication number: 20110042794
    Abstract: A QFN package includes a die attach pad having a recessed area; a semiconductor die mounted inside the recessed area; an inner terminal lead disposed adjacent to the die attach pad; a first wire bonding the inner terminal lead to the semiconductor die; an outer terminal lead; an intermediary terminal disposed between the inner terminal lead and the outer terminal lead; a second wire bonding the intermediary terminal to the semiconductor die; and a third wire bonding the intermediary terminal to the outer terminal lead. A circuit board includes a core layer; a first metal trace disposed over a first side of the core layer; and a first solder mask covering the first metal trace. The QFN package is mounted over the first solder mask. No metal pad of the first metal trace is formed within an area corresponding to the intermediary terminal.
    Type: Application
    Filed: November 3, 2010
    Publication date: February 24, 2011
    Inventors: Tung-Hsien Hsieh, Nan-Cheng Chen
  • Publication number: 20110031619
    Abstract: A system-in-package includes a package carrier; a first semiconductor die having a die face and a die edge, the first semiconductor die being assembled face-down to a chip side of the package carrier; a second semiconductor die mounted alongside of the first semiconductor die; a rewiring laminate structure comprising a re-routed metal layer between the first semiconductor die and the package carrier. At least a portion of the re-routed metal layer projects beyond the die edge. A plurality of bumps are arranged on the rewiring laminate structure for electrically connecting the first semiconductor die with the package carrier.
    Type: Application
    Filed: October 15, 2010
    Publication date: February 10, 2011
    Inventors: Nan-Cheng Chen, Chih-Tai Hsu
  • Patent number: 7838975
    Abstract: A flip-chip package includes a package carrier; a semiconductor die having a die face and a die edge, the semiconductor die being assembled face-down to a chip side of the package carrier, and contact pads are situated on the die face; a rewiring laminate structure between the semiconductor die and the package carrier, the rewiring laminate structure including a re-routed metal layer, and at least a portion of the re-routed metal layer projects beyond the die edge; and bumps arranged on the rewiring laminate structure for electrically connecting the semiconductor die with the package carrier.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: November 23, 2010
    Assignee: Mediatek Inc.
    Inventor: Nan-Cheng Chen
  • Publication number: 20100285638
    Abstract: A method for making a quad flat non-lead (QFN) semiconductor package includes half etching a first side of a carrier to form top portions of a lead array and a die attach surface of a die attach pad, wherein the lead array includes at least one inner terminal lead disposed adjacent to the die attach pad, at least one extended, outer terminal lead disposed along periphery of the QFN semiconductor package, and at least one intermediary terminal disposed between the inner terminal lead and the extended, outer terminal lead, wherein the intermediary terminal is disposed between the inner terminal lead and the extended, outer terminal lead.
    Type: Application
    Filed: July 21, 2010
    Publication date: November 11, 2010
    Inventors: Tung-Hsien Hsieh, Nan-Cheng Chen
  • Publication number: 20100283137
    Abstract: A QFN semiconductor package includes a die attach pad; a semiconductor die mounted on the die attach pad; an inner terminal lead disposed adjacent to the die attach pad; a first wire bonding the inner terminal lead to the semiconductor die; an extended, outer terminal lead disposed along periphery of the QFN semiconductor package, wherein the extended, outer terminal lead is disposed beyond a maximum wire length which is provided for a specific minimum pad opening size on the semiconductor die; an intermediary terminal disposed between the inner terminal lead and the extended, outer terminal lead; a second wire bonding the intermediary terminal to the semiconductor die; and a trace interconnecting the intermediary terminal to the extended, outer terminal lead.
    Type: Application
    Filed: July 21, 2010
    Publication date: November 11, 2010
    Inventors: Tung-Hsien Hsieh, Nan-Cheng Chen