Patents by Inventor Yen-Chih Chang

Yen-Chih 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).

  • Patent number: 8821192
    Abstract: An electrical connector electrically connecting a chip module to a printed circuit board includes an insulative housing that a number of contacting terminals and a number of grounding terminals received therein, the insulative housing includes a mating surface and a mounting surface opposite to the mating surface, the grounding terminal is adjacent to the contacting terminal, and wherein the insulative housing also comprises a plurality of retention slots depressed from the matching surface thereof for fixing a retention portion of the grounding terminals, the retention slot has a sidewall that plated with a metal layer, the retention portion comprises a tongue and elastic contacted with the metal layer.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: September 2, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Yen-Chih Chang, Ke-Hao Chen
  • Patent number: 8821188
    Abstract: An electrical connector includes an insulative housing has a mating surface and a mounting surface opposite to the mating surface, a plurality of receiving holes penetrated from the mating surface to the mounting surface, a plurality of terminals received in the receiving holes and a grounding route assembled on the mating surface, wherein a shielding device exposed in the receiving holes and electrically connecting with the grounding route.
    Type: Grant
    Filed: February 2, 2013
    Date of Patent: September 2, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Yen-Chih Chang, Ke-Hao Chen, Chun-Yi Chang
  • Patent number: 8814603
    Abstract: An electrical connector for electrically connecting a chip module with a printed circuit board includes an upper component, a lower component assembled on the upper component and a number of terminals, the upper component includes a number of upper tabs and the lower component includes a number of lower tabs. The terminals include a number of upper terminals and a number of lower terminals matched with the upper terminals. The upper terminals received in the upper component and the lower terminals received in the lower component; wherein the pressing of the terminal can transform the vertical movement of the upper terminal to the horizontal movement of the lower terminal.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: August 26, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Yen-Chih Chang, Tzu-Yao Hwang, Wei-Hung Hsu
  • Publication number: 20140179160
    Abstract: An electrical connector includes a seat having a signal contact receiving slot and a grounding contact receiving slot, and a signal contact and a grounding contact retained therein. The seat includes a first insulating member and a second insulating member surrounding the first insulating member, wherein the grounding contact receiving slot is defined on the first insulating member, the first insulating member further includes a through hole substantially parallel to the grounding contact receiving slot, a shielding member is defined on at least the inner surfaces of the grounding contact receiving slot and the through hole, the second insulating member includes a column formed into the through hole, the signal contact receiving slot is defined on the column of the second insulating member.
    Type: Application
    Filed: December 26, 2013
    Publication date: June 26, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: TZU-YAO HWANG, YEN-CHIH CHANG, KE-HAO CHEN
  • Publication number: 20140162471
    Abstract: An electrical connector for electrically connecting a CPU with a PCB includes a frame, a plurality of base units assembled onto the frame and a plurality of contacts retained in the base units. The base units extend in a longitudinal direction and are assembled side by side in a transverse direction substantially perpendicular to the longitudinal direction. Each of the base units includes an insulating housing and a shielding member embedded within the insulating housing. The shielding member includes a first portion extending in the longitudinal direction and multiple second portions extending in a direction intersecting with the longitudinal direction, the second portions together with the first portion define multiple chambers. The contacts are located in the chambers defined by the shielding member.
    Type: Application
    Filed: December 10, 2013
    Publication date: June 12, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: TZU-YAO HWANG, YEN-CHIH CHANG, KE-HAO CHEN, WEI-HUNG HSU
  • Publication number: 20140154918
    Abstract: An electrical connector electrically connecting a chip module to a printed circuit board includes an insulative housing including a number of receiving slots and a number of passageways spaced with the receiving slot and located beside the receiving slot and a number of terminals each received in the receiving slot of the insulative housing, the electrical connector further includes a number of absorbing material blocks received in the passageways, the passageway has an inner surface coated with an metal layer and the absorbing material block is located inside the metal layer.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 5, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YEN-CHIH CHANG, TZU-YAO HWANG, KE-HAO CHEN
  • Publication number: 20140134853
    Abstract: An electrical connector electrically connecting a chip module to a printed circuit board includes an insulative housing including a top insulative housing and a bottom insulative housing matched with the top insulative housing, a number of terminals received in the top insulative housing and the bottom insulative housing and at least one shielding plate fixed in the insulative housing and located beside the terminal, the electrical connector further employs a grounding plate assembled between the top insulative housing and the bottom insulative housing, the grounding plate electrically connects with the shielding plate and the shielding plate has a pair of clips fixed to the grounding plate.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 15, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YEN-CHIH CHANG, TZU-YAO HWANG, KE-HAO CHEN
  • Patent number: 8696381
    Abstract: An electrical connector (100) for electrically connecting an IC package with a substrate includes a number of conductive contacts (4), a number of grounding terminals (5), an insulative member (32) made of insulation materials locates around the conductive contacts (4) with insert-molded method and an electrical member (1) made of electrical resin locates around the insulative member (32) and the grounding terminals (5) with insert-molded method, the conductive contacts (4) are insulated from the electrical member (1) and the grounding terminals (5) are electrically connected with the electrical member (1).
    Type: Grant
    Filed: August 18, 2012
    Date of Patent: April 15, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Yen-Chih Chang, Ke-Hao Chen
  • Publication number: 20140080327
    Abstract: An electrical connector electrically connecting a chip module to a printed circuit board includes an insulative housing having a matching surface, a mounting surface and a receiving slot penetrated from the matching surface to the mounting surface, a number of terminals received in the receiving slot and a number of shielding plates received in the receiving slot; the shielding plate includes a body portion, a supporting portion bending outwardly from one side of the body portion and a contact portion extending outwardly from another side of the body portion, the contact portion includes a main body, a spring beam extending upwardly from the main body and a clip extending downwardly from the main body, the spring beam extending upwardly beyond the matching surface and the clip extending downwardly beyond the mounting surface.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 20, 2014
    Applicant: Hon Hai Precision Industry Co., Ltd.
    Inventors: TZU-YAO HWANG, YEN-CHIH CHANG
  • Publication number: 20140080330
    Abstract: An electrical contact (2) for electrically connecting an IC package having solder balls (4) with a substrate and includes a base portion (21), a spring arm (24) extending upwardly from the base portion (21) and a rear portion (23) extending downwardly from the base portion (21), the spring arm (24) defines a contact portion (25) at the end thereof to connect with the solder ball (4) of the IC package, the contact portion (25) includes a wide portion (252) with a width larger than other portions of the contact portion (25), the wide portion (252) includes a pair of higher end portions (2520) at opposite ends thereof and a lower middle portion (2521) between the pair of end portions (2520).
    Type: Application
    Filed: September 17, 2013
    Publication date: March 20, 2014
    Applicant: Hon Hai Precision Industry Co., Ltd.
    Inventors: YEN-CHIH CHANG, WEI-HUNG HSU
  • Patent number: 8668502
    Abstract: An electrical assembly used for connecting an IC package, includes at least an upper and a lower layer stacked with each other, wherein the upper layer is formed with an opening for receiving a socket connector. The socket connector has contacts electrically connected to conductive traces respectively provided on the upper and the lower layer.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: March 11, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Yen-Chih Chang, Chih-Pi Cheng
  • Publication number: 20140038465
    Abstract: An electrical connector for electrically connecting a chip module with a printed circuit board includes an upper component, a lower component assembled on the upper component and a number of terminals, the upper component includes a number of upper tabs and the lower component includes a number of lower tabs. The terminals include a number of upper terminals and a number of lower terminals matched with the upper terminals. The upper terminals received in the upper component and the lower terminals received in the lower component; wherein the pressing of the terminal can transform the vertical movement of the upper terminal to the horizontal movement of the lower terminal.
    Type: Application
    Filed: March 14, 2013
    Publication date: February 6, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yen-Chih CHANG, Tzu-Yao HWANG, Wei-Hung HSU
  • Publication number: 20140038438
    Abstract: An electrical connector for electrically connecting a chip module with a printed circuit board includes an insulative housing and a number of contacts fixed in the insulative housing. The insulative housing includes an upper component and a lower component cooperated with the upper component. The upper component has a protruding portion and the lower component has a hole cooperated with the protruding portion. The protruding portion is in touch with the hole and the contacting area is plated with a metal fillings. It is easy to assemble and it has better shielding effects.
    Type: Application
    Filed: January 30, 2013
    Publication date: February 6, 2014
    Inventors: YEN-CHIH CHANG, KE-HAO CHEN
  • Publication number: 20130330945
    Abstract: An electrical connector assembly includes a printed circuit board, an electrical connector assembled on the printed circuit board and an interposer assembled between the electrical connector and the printed circuit board, the electrical connector includes an insulative housing and a plurality of terminals and a shielding element received therein, and wherein the interposer electrically connect the terminals and the shielding element and electrically connect the printed circuit board.
    Type: Application
    Filed: May 3, 2013
    Publication date: December 12, 2013
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YEN-CHIH CHANG, TZU-YAO HWANG, KE-HAO CHEN
  • Publication number: 20130267124
    Abstract: An electrical connector electrically connecting a chip module to a printed circuit board includes an insulative housing that a number of contacting terminals and a number of grounding terminals received therein, the insulative housing includes a mating surface and a mounting surface opposite to the mating surface, the grounding terminal is adjacent to the contacting terminal, and wherein the insulative housing also comprises a plurality of retention slots depressed from the matching surface thereof for fixing a retention portion of the grounding terminals, the retention slot has a sidewall that plated with a metal layer, the retention portion comprises a tongue and elastic contacted with the metal layer.
    Type: Application
    Filed: March 18, 2013
    Publication date: October 10, 2013
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YEN-CHIH CHANG, KE-HAO CHEN
  • Publication number: 20130267104
    Abstract: An electrical connector for electrically connecting an IC package to a circuit board includes an insulating housing having a plurality of receiving holes and a plurality of contacts received in the receiving holes. Each of the contacts includes a retaining portion engaging with the insulating housing, and a spring arm deforming freely in a certain range, wherein the spring arm includes an elastic deformation portion, a recess portion protruding downwardly from the elastic deformation portion for contacting with a ball grid array (BGA) package and a protrusion portion protruding upwardly from the recess portion for contacting with a land gird array (LGA) package.
    Type: Application
    Filed: April 1, 2013
    Publication date: October 10, 2013
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YEN-CHIH CHANG, WEI-HUNG HSU
  • Patent number: 8554026
    Abstract: A light transmission assembly includes a light circuit board and a light transmission module. The board is embedded with waveguide layers, the waveguides layers includes core wires and shielding lays sandwiching the core wires, the waveguide layers defines a second light port portion of which the core wires defines vertical end faces. The light transmission module includes a base and a first light port portion projecting from a first face of the base, the first light port portion defines vertical end faces, the base defines a slanting surface at a second face opposite to the first face thereof. The first and second light port portions are aligned with each other when the light transmission module is coupled with light circuit board so that light lines go directly from the core wires through the light transmission module and reflect at the slant surface.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: October 8, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Yen-Chih Chang, Ke-Hao Chen
  • Patent number: 8545110
    Abstract: An electrical socket (100) comprises an insulative housing (1) and an optical module (3) arranged on the insulative housing (1), the insulative housing (1) comprises a plurality of electrical contacts (2) received therein to transmit electrical signal, the optical module (3) comprises a plurality of optical members (4) to transmit optical signal.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: October 1, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Wen-Yi Hsieh, Yen-Chih Chang, Shih-Wei Hsiao
  • Publication number: 20130237090
    Abstract: An electrical connector includes an insulative housing has a mating surface and a mounting surface opposite to the mating surface, a plurality of receiving holes penetrated from the mating surface to the mounting surface, a plurality of terminals received in the receiving holes and a grounding route assembled on the mating surface, wherein a shielding device exposed in the receiving holes and electrically connecting with the grounding route.
    Type: Application
    Filed: February 2, 2013
    Publication date: September 12, 2013
    Inventors: YEN-CHIH CHANG, KE-HAO CHEN, CHUN-YI CHANG
  • Patent number: 8523457
    Abstract: An optical-fiber connector includes an insulative main body having a pair of optical components extending forwardly therefrom. Each optical component defines at least one lens and a guiding post located at outside of the lens. Each guiding post defines a through hole extend through the guiding post and the main body in a front-to-back direction and fulfilled with the air for transmitting a test light. The test light from the through hole of the guiding post acts as an accurate measuring reference of the true position between the lens and the fiber because of having no displacement of the light path through a through hole.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: September 3, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Hsu-Chih Liu, Yen-Chih Chang, Chun-Fu Lin