Patents by Inventor Chun-Yi Chang

Chun-Yi Chang 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).

  • ELECTRICAL CONNECTOR WITH IMPROVED SHIELDING MEANS
    Publication number: 20130183861
    Abstract: An electrical connector for electrically connecting an IC package to a circuit board includes a first insulating housing, a second insulating housing and a plurality of contacts received therein. The contact includes a base portion received in the first insulating housing, and a contacting portion extending upwardly from the base portion and received in the second insulating housing. The first insulating housing includes a first shielding member around the base portion of the contact while the second insulating housing includes a second shielding member around the contacting portion of the contact so that an electrical connector with improved shielding means is provided.
    Type: Application
    Filed: January 10, 2013
    Publication date: July 18, 2013
    Inventors: Yen-Chih Chang, Ke-Hao Chen, Chun-Yi Chang
  • Electrical connector with improved alignment structure
    Patent number: 8366476
    Abstract: An electrical connector includes a rectangular insulative housing having a number of passageways and a number of electrical contacts retained in the passageways, respectively. The insulative housing defines a first alignment hole and a second alignment hole on a diagonal line thereof. The first alignment hole has a pair of flat surfaces extending along the diagonal line and a pair of curved surfaces connected with the flat surfaces for engaging with a mating post to position the electrical connector on a printed circuit board.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: February 5, 2013
    Assignee: Hon Hai Precision Ind, Co., Ltd.
    Inventors: Fang-Jwu Liao, Chun-Yi Chang
  • Contact terminal having insulative cap
    Patent number: 8251713
    Abstract: An electrical connector includes an insulative housing and a plurality of contacts received in the housing. Each contact has a base portion, a resilient arm and a contacting portion located at one end of the resilient arm. The contacting portion has a free end attached with an insulative member so as to prevent short circuit with an adjacent contact.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: August 28, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Nan-Hung Lin, Chun-Yi Chang
  • Socket connector having resilient positioning member securing IC package therein
    Patent number: 8221135
    Abstract: A socket connector includes a socket body and a plurality of contact terminals received in the socket body. The socket body includes an upper surface, a plurality of sidewalls extending upwardly from the upper surface. The upper surface and the sidewalls jointly define a cavity for receiving an IC package therein. At least one of the sidewalls is provided with a resilient arm having two ends connected to the sidewall and a close-loop slot behind the resilient arm. The resilient arm is provided with a positioning member extending toward the cavity.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: July 17, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Chun-Yi Chang
  • Electrical connector assembly for retaining multiple processing units
    Patent number: 8221133
    Abstract: An electrical connector assembly (100) for electrically connecting a plurality of processing units (1) to a printed circuit board (8) comprises a substrate (4) and a plurality of sockets (6) assembled on the substrate (4) for retaining the processing units (1) respectively, the substrate (4) comprises a top surface (41) and a bottom surface (42) opposite to each other, the top surface (41) comprises a plurality of first contact elements (411) and the bottom surface (42) comprises a plurality of second contact elements (421), the socket (6) comprises an insulative housing (3) and a plurality of contacts (2) received therein for electrically contacting with one of the processing units (1).
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: July 17, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Nan-Hung Lin, Chun-Yi Chang
  • ELECTRICAL CONNECTOR WITH IMPROVED ALIGNMENT STRUCTURE
    Publication number: 20120115350
    Abstract: An electrical connector includes a rectangular insulative housing having a number of passageways and a number of electrical contacts retained in the passageways, respectively. The insulative housing defines a first alignment hole and a second alignment hole on a diagonal line thereof. The first alignment hole has a pair of flat surfaces extending along the diagonal line and a pair of curved surfaces connected with the flat surfaces for engaging with a mating post to position the electrical connector on a printed circuit board.
    Type: Application
    Filed: November 11, 2010
    Publication date: May 10, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: FANG-JWU LIAO, CHUN-YI CHANG
  • Removing apparatus for removing electrical connector
    Patent number: 8099863
    Abstract: A removing apparatus, for removing an electrical connector from a PCB, comprises a base, a pulling member, a pair of opposite clipping members, a lower supporting member and at least one resilient member. The pulling member connects to the base to be operated to bring the base up and down. The two clipping members pivotally mount to the base. The lower supporting member mounts below the base. The resilient member located between the base and the lower supporting member. When the base moves downwardly, the latch of the clipping member can engage with the electrical connector and pick it up from the PCB, when the base moves back, it is easy and secure to remove the electrical connector from the PCB.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: January 24, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Chun-Yi Chang, Chun-Hung Liu
  • CONTACT TERMINAL HAVING INSULATIVE CAP
    Publication number: 20110269344
    Abstract: An electrical connector includes an insulative housing and a plurality of contacts received in the housing. Each contact has a base portion, a resilient arm and a contacting portion located at one end of the resilient arm. The contacting portion has a free end attached with an insulative member so as to prevent short circuit with an adjacent contact.
    Type: Application
    Filed: April 28, 2011
    Publication date: November 3, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: NAN-HUNG LIN, CHUN-YI CHANG
  • Electrical connector defining plurality of discrete interconnecting sectors for respectively receiving individual IC package thereon
    Patent number: 8002558
    Abstract: An electrical connector for receiving more than one IC packages (3) includes an insulative housing (1) having a planar interface with a plurality of passageways (10) defined therein; and a plurality of contacts (2) retained in the passageways (10) respectively and arranged in more than one groups. Each group of the contacts (2) is incorporated with positioning members (111) that jointly position the IC package upon the group of the contacts (2).
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: August 23, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Fang-Jwu Liao, Chun-Yi Chang
  • Sink type electrical connector with L-shaped frame
    Patent number: 8002557
    Abstract: An electrical connector (4) comprises a frame (41) and a plurality of terminals (42) received in the frame. The frame comprises a first portion (410) defining a holding slot (4101), a second portion (411) extending angularly to the first portion and a retaining member (43) formed on the second portion. The terminals each has a contact section (425) and a solder tail (427) extending out of the frame. The plurality of terminals (42) are arranged two rows on the first portion (410) and one row on the second portion (411). The contact sections of two rows terminals on the first portion are located at opposite sides of the holding slot (4101) and the contact sections of one row terminals on the second portion expose to an outer surface of the second portion.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: August 23, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Nan-Hung Lin, Chun-Yi Chang
  • IC socket with improved contact having deformable retention portion
    Patent number: 7988501
    Abstract: An IC socket (1) for receiving an IC package includes an insulative housing (2) with a plurality of passageways (20) thereof and a plurality of contacts (3) mounted within the passageways (20) of the insulative housing (2) respectively. The contact (3) has a base section (30), an upward contact arm (31) and a downward contact arm (32) respectively extending from the base section (30), and a pair of retaining arms (33) extending from opposite sides of the base section (30). The retaining arm (33) includes an elastic section (330) engaging with an inner wall of the passageway (20) and an opening (332) adjacent to the elastic section (330).
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: August 2, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Chun-Yi Chang
  • Electrical contact having additional mounting feet arranged to ensure reliable electrical connections with conductive pad around via of circuit board
    Patent number: 7972144
    Abstract: A contact (1) for an electrical connector mountable on a substrate (3) having at least a via (311) therethrough comprises a medial portion (10), a contact engaging portion (121) extending from the medial portion (10), a solder terminal portion extending from the medial portion (10) in a direction away from said contact engaging portion (121) and includes at least a first spring arm (11) having a standing point (111), and at least an auxiliary foot (112) extending sideway from the first spring arm (11) having a distance with respect to the standing point (111), the contact engaging portion (121) is adapted to engage with a mating contact.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: July 5, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Chun-Yi Chang, Jia-Hau Liu
  • Electrical connector with a retainer with pressing member
    Patent number: 7955113
    Abstract: An electrical connector assembly, comprises a base (4) defining an upper surface and a lower surface, a central processing unit (CPU) (3) assembled upon the upper surface of the base, a printed circuit board (PCB) (5) arranged at the lower surface of the base. A retainer (1) comprises a top cover (11), a bottom cover (12) and a side wall (13) laterally connecting the top cover and the bottom cover, the top cover forms a pivoting structure (111) extending along a first direction at a free edge thereof. A pressing member (2) comprises a shaft (21) being pivotally mounted to the pivoting structure for the pressing plate (23) to press against an upper face of the CPU.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: June 7, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Chun-Yi Chang
  • Electrical connector for receiving CPU
    Patent number: 7950946
    Abstract: An electrical connector (1) for receiving a CPU (5) includes a rectangular planar receiving portion (10) having a top surface (14) for mating with the CPU. At least two posts (20) extend perpendicularly from corners of the planar receiving portion. At least two posts and the planar receiving portion together define a receiving space for receiving the CPU. The post includes a resilient portion (22) and a fixing portion (24). A gap (241) is defined between a resilient portion and a fixing portion, and the resilient portion forms a protrusion block (26) protruding into the receiving space.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: May 31, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Fang-Jwu Liao, Chun-Yi Chang
  • SINK TYPE ELECTRICAL CONNECTOR WITH L-SHAPED FRAME
    Publication number: 20110097908
    Abstract: An electrical connector (4) comprises a frame (41) and a plurality of terminals (42) received in the frame. The frame comprises a first portion (410) defining a holding slot (4101), a second portion (411) extending angularly to the first portion and a retaining member (43) formed on the second portion. The terminals each has a contact section (425) and a solder tail (427) extending out of the frame. The plurality of terminals (42) are arranged two rows on the first portion (410) and one row on the second portion (411). The contact sections of two rows terminals on the first portion are located at opposite sides of the holding slot (4101) and the contact sections of one row terminals on the second portion expose to an outer surface of the second portion.
    Type: Application
    Filed: October 22, 2010
    Publication date: April 28, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: NAN-HUNG LIN, CHUN-YI CHANG
  • Heat dissipation system
    Patent number: 7926554
    Abstract: A liquid-cooled heat dissipation system includes a heat absorber; a heat dissipating member; two connecting pipes connecting the heat absorber and the heat dissipating member; and a working fluid filled in the heat absorber, the heat dissipating member, and the connecting pipes. The working fluid is capable of circulating in the circuit. The working fluid includes a base fluid, a plurality of nanoparticles and a protective agent dispersed in the base fluid. A percentage by weight of the nanoparticles in the working fluid is in the range from 0.1% to 3%.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: April 19, 2011
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Tsai-Shih Tung, Chun-Yi Chang
  • ELECTRICAL CONNECTOR ASSEMBLY AND LOADING EQUIPMENT THEREOF
    Publication number: 20110034044
    Abstract: An electrical connector assembly, comprises a base (4) defining an upper surface and a lower surface, a central processing unit (CPU) (3) assembled upon the upper surface of the base, a printed circuit board (PCB) (5) arranged at the lower surface of the base. A retainer (1) comprises a top cover (11), a bottom cover (12) and a side wall (13) laterally connecting the top cover and the bottom cover, the top cover forms a pivoting structure (111) extending along a first direction at a free edge thereof. A pressing member (2) comprises a shaft (21) being pivotally mounted to the pivoting structure for the pressing plate (23) to press against an upper face of the CPU.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 10, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-YI CHANG
  • Socket connector having measurement preventing contact terminal from dropping
    Patent number: 7878819
    Abstract: An electrical connector (100) includes an insulative housing (1) and a contact terminal (2). The insulative housing includes a first and a second primary faces (13, 12), and a passageway (11) extending between the first and second primary faces. The passageway defines a first opening (112) at the first primary face and a second opening (111) at the second primary face. The contact terminal is inserted into the passageway through the first opening. The contact terminal is formed with a contact section (24) having a pair of blocking portions (25) projecting along a transversal direction of the first opening.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: February 1, 2011
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Chun-Yi Chang, Jia-Hau Liu
  • Socket with solder pad
    Patent number: 7841859
    Abstract: A socket, for electrically connecting an IC package and a printed circuit board, comprises an insulative housing and a plurality of contacts received in the insulative housing. The insulative housing has an opening in a center thereof, a solder pad is received in the opening and has a soldering board which is soldered to the printed circuit board to enhance a mechanical connection between the socket and the printed circuit board.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: November 30, 2010
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Fang-Chu Liao, Chun-Yi Chang
  • ELECTRICAL CONNECTOR DEFINING PLURALITY OF DISCRETE INTERCONNECTING SECTORS FOR RESPECTIVELY RECEIVING INDIVIDUAL IC PACKAGE THEREON
    Publication number: 20100291773
    Abstract: An electrical connector for receiving more than one IC packages (3) includes an insulative housing (1) having a planar interface with a plurality of passageways (10) defined therein; and a plurality of contacts (2) retained in the passageways (10) respectively and arranged in more than one groups. Each group of the contacts (2) is incorporated with positioning members (111) that jointly position the IC package upon the group of the contacts (2).
    Type: Application
    Filed: July 23, 2009
    Publication date: November 18, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Fang-Jwu Liao, Chun-Yi Chang