Patents by Inventor Yun Ma

Yun Ma 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: 20090286409
    Abstract: An electrical connector (1) comprises a base (10) with a plurality of contacts (19) received therein, a cover (11) slidably mounted on the base (10), a protecting mechanism (12) comprises a cover plate (13) retained in the cover (11) and a bottom plate (14) retained in the base (10), a cam actuator (16) rotatably assembled to the base (10), the cover (11) and the protecting mechanism (12) for actuating the cover (11) to slid on the base (10), the bottom plate (14) comprises a first plate (142) and a second plate (141), the first plate (142) comprises a base portion (1421) and a first engaging portion (1422) extending curvedly from the end of the body portion (1421).
    Type: Application
    Filed: May 19, 2009
    Publication date: November 19, 2009
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHIH-PI CHENG, NAN-HUNG LIN, HAO-YUN MA, CHI-NAN LIAO, LIANG-KAI LEE, CHENG-CHING CHIEN
  • Patent number: 7618263
    Abstract: The present invention provides an electrical connector for establishing electrical connection between an IC module and a PCB. The electrical connector comprises an insulative housing and a set of electrical contacts received in the housing. The insulative housing has a mating surface and a mounting surface opposite thereto. The mating surface defines a supporting block extending upwardly thereof for supporting an IC module when said IC module is mated with the electrical connector. A reinforced element is defined in the supporting block, so as to reinforce said supporting block.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: November 17, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Chia-Wei Fan, Nan-Hung Lin, Hao-Yun Ma
  • Patent number: 7604495
    Abstract: A socket connector for connecting an IC package to a printed circuit board (PCB) comprises an insulating base (11) arranged a plurality of conductive terminals therein, a cover (13) assembled on the base (11) and a driver device actuating the cover to slide relative to the insulating base. The driver device comprises a first retaining member (15) fixed in the cover (13), a whirling member (16) engaged with the base (11) and a driver member (14) connecting with the first retaining member (15) and the whirling member (16). The first retaining member (15) and the whirling member (16) are pivotally attached with each other by a holding portion (154) formed on one of them, and the holding portion has an arc surface.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: October 20, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd
    Inventor: Hao-Yun Ma
  • Patent number: 7601036
    Abstract: A conductive contact (200) for electrically connecting with a chip module and a printed circuit board comprises a base portion (50), a top head portion (60) formed above the base portion adapted for connecting with a belt, at least one spring arm (70) extending sidewardly from the base portion and forming at least one contacting section (703) adapted for elastically contacting with the chip module, and a bottom soldering portion (80) extending form at least one of the base portion and the spring arm adapted for being soldered to the printed circuit board. The head portion defines a cutout (601) recessed downwardly from a top edge (602) thereof to reduce connecting length between the head portion and the belt and reduce siphonic effect when plating the spring arm.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: October 13, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Chih-Pi Cheng, Hao-Yun Ma
  • Publication number: 20090246989
    Abstract: An electrical connector assembly includes a socket body defining a receiving cavity, a pick up cap attached detachably onto the socket body and a movable fixing mechanism surrounding the socket body. The fixing mechanism includes a rotatable cover defining an open position and a close position and having two pressing portions extending towards the receiving cavity of the socket body. The pick up cap covers all terminals in the socket body and includes a planar body having concaved portions for receiving the corresponding pressing portions to prevent the pressing portions from interfering with top surface of the planar body of the pick up cap.
    Type: Application
    Filed: March 25, 2009
    Publication date: October 1, 2009
    Inventors: Hao-Yun Ma, Cheng-Chi Yeh
  • Publication number: 20090233477
    Abstract: An electrical connector includes an insulative housing, a number of electrical contacts and a stiffener device surrounding housing. A load plate is mounted to one end of the stiffener device and a lever is rotatably mounted to the other end of the stiffener device. The stiffener device includes an insulative frame for cost saving and a number of metal auxiliary members for increasing intensity.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 17, 2009
    Inventor: Hao-Yun Ma
  • Patent number: 7589972
    Abstract: An electrical connector assembly (100) made in accordance with a preferable embodiment of the present invention comprises an electrical socket (20) with a plurality of contacts received therein, an IC module (30) mounted onto the electrical socket (20) so as to make electrical connection therebetween, a heat sink assembly (40) pressing on the IC module (30) and including a heat spreader (401), and a clip (50) fastening the heat sink assembly (40) above the IC module (30). The IC module (30) comprises a substrate (301) and at least one die (302) attached on a top surface of the substrate (301). The clip (50) has a set of first fingers (504) for pressing the die (301) of the IC module (30) and a set of second fingers (505) for pressing the substrate (301) of the IC module (30).
    Type: Grant
    Filed: May 26, 2007
    Date of Patent: September 15, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Hao-Yun Ma, Ming Lun Szu, Derrell Wertz
  • Patent number: 7588442
    Abstract: An LGA connector (100) comprises an insulative housing (20) defining a plurality of side surfaces (21), a stiffener (30) surrounding the insulative housing (20) and comprising a bottom plate (31) and a plurality of sidewalls (33) extending upwardly from the bottom plate (31), the bottom plate (31) defining a window (313) for accommodating the insulative housing (20), a clip (40) pivotally engaged to one end of the stiffener (30) and comprising a main plate (41) and a pair of side plates (411) extending from the two opposite sides of the main plate (41), and a lever (50) engaged to the other end of the stiffener (30) for fastening the clip (40). Each side surface (21) and corresponding sidewall (33) define a gap therebetween for accommodating the side plate (411) and the bottom plate (31) defines a pair of slots (314) connected with the window (313).
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: September 15, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 7588453
    Abstract: An electrical connector of the present invention includes a base unit (10) mounting a plurality of terminals therein, a cover unit (11) assembled on the base unit and defining a receiving room (134) therein facing the base unit (10), and a driving device (12) received in the receiving room (134) and connecting with the base unit (10) and cover unit (11). The driving device comprises a driving member (14) and a whirling member (16). A receiving space (157) is defined between one end of the whirling member (16) and the cover unit (11) for receiving part of the driving member (14), and the other end of the whirling member (16) is engaging with the cover unit (11).
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: September 15, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Publication number: 20090191744
    Abstract: An electrical connector includes a socket body with a number of contacts, a retention frame spaced from the socket body, a load plate attached to the retention frame, and a fastener. The retention frame located at a first side of the socket body and the load plate attached to at a second side of the socket body. The load plate rotates toward or away from the socket body from an open position to a closed position. The fastener is used to fasten the load plate at the closed position.
    Type: Application
    Filed: January 29, 2009
    Publication date: July 30, 2009
    Inventors: Cheng-Chi Yeh, Nan-Hung Lin, Hao-Yun Ma
  • Patent number: 7566229
    Abstract: An electrical connector assembly includes an insulative housing (1), and a reinforcing frame (4) removably disposed on the insulative housing. The insulative housing includes a base (10) having a top side, and side walls (11) upwardly extending from the top side of the base, with a datum protrusion (111) formed on each of the side walls. The reinforcing frame includes a plurality of reinforcing pieces (41) located laterally on outer faces of the datum protrusions. The providence of the reinforcing pieces adjacent the datum protrusions can prevent the damage of the datum protrusions or portions of the side walls around the datum protrusions during the not-properly loading or removable process of an IC package onto the insulative housing.
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: July 28, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 7556522
    Abstract: A LGA connector (100) adapted for being mounted to a printed circuit board, includes a housing (30), a number of contacts mounted in the housing, a stiffener (50) coupled with the housing and defining a number of non-circular mounting holes (502), a lever (70) and a cover (60) respectively mounted on the stiffener, and a number of standoffs (90) inserted into the mounting holes of the stiffener. Each mounting hole has a long diameter and a short diameter. Each standoff defines a pinhole (910) for permitting a screw including a screw cap having a diameter larger than the short diameter of the mounting hole to insert through the pinhole.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: July 7, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 7553202
    Abstract: An electrical terminal (1) includes a resilient arm (10) and a separate solder member (11) contacted with the resilient arm. The resilient arm includes a base portion having a middle portion (101), an inserting portion (103) disposed adjacent to the middle portion, and a curved portion (102) interconnected a lower end of the middle portion and the inserting portion. The resilient arm has a cantilever (104) extending from an upper end of the middle portion, and a contact portion (105) formed on an upper end of the cantilever. The separate solder member has an elastic portion (111) connecting with the base portion, and a solder seat (112) perpendicular to the elastic portion for attaching thereon a solder ball.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: June 30, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 7544104
    Abstract: An electrical interconnection includes a plug connector (30) and a receptacle connector (40) mated with each other, with uniformly-spaced mounting portions (3053, 4053) for engaging contacts of two parallel spaced circuit boards. The uniformly-spaced mounting portions are achieved by providing neck portions (3057, 4057), attached to the mounting portions, angled with different degrees with respect to respective planes of base portions (3051, 4051) of terminals (305, 405) in the plug connector and the receptacle connector.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: June 9, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Chia-Wei Fan, Hao-Yun Ma
  • Publication number: 20090142956
    Abstract: An electrical connector assembly includes an electrical connector and a heat dissipate device disposed upon the electrical connector. The heat dissipate device includes a heat plate, a heat pipe secured on the heat plate and a load plate located between the heat plate and the heat pipe. The load plate has retention sections engaging with the heat plate for positioning the heat plate on the load plate in three directions.
    Type: Application
    Filed: December 1, 2008
    Publication date: June 4, 2009
    Inventor: Hao-Yun Ma
  • Publication number: 20090101318
    Abstract: An electrical connector with a heat dissipating device adapted to physically in contact with an electrical package disposed on a socket connector comprises a load plate having a substantially rectangular configuration defining a central opening having a first length and a first width and a heat plate having longitudinal sides and traversal ends. A heat plate has a heat pipe attached thereon and arranged such that the heat plate is disposed under the load plate, while the heat pipe is arranged above the load plate when rotated.
    Type: Application
    Filed: October 23, 2008
    Publication date: April 23, 2009
    Inventor: Hao-Yun Ma
  • Publication number: 20090104794
    Abstract: An LGA connector, for interconnecting an IC package with a printed circuit board, includes an insulative housing having a number of electrical terminals received therein, a metal stiffener mounted to the insulative housing, a cover and a lever pivotally engaged to two opposite ends of the stiffener, respectively. The insulative housing defines an opening for receiving the IC package and two walls extending upwardly thereof, and each wall disposes a first cutout. The stiffener surrounding the insulative housing defines two side walls adjacent and parallel to the walls of the insulative housing. Each side wall disposes a second cutout corresponding to the first cutout so as to so as to remove the IC package easily.
    Type: Application
    Filed: October 23, 2008
    Publication date: April 23, 2009
    Inventor: Hao-Yun Ma
  • Patent number: 7517229
    Abstract: A land grid array socket comprises an insulative housing having a plurality of contacts. The insulative housing has a top surface for receiving a land grid array package. A cover member is pivotally mounted on a first end of the insulative housing. The cover member is pivotal between an open position and a closed position where the cover member presses the land grid array package toward the top surface of the insulative housing so that the land grid array package electrically connects to the contacts. A lever is pivotally mounted on a second end of the insulative housing. The lever has a locking portion for locking the cover member in the closed position. A metallic reinforcing plate is positioned on a bottom surface of the housing. The metallic reinforcing plate extends between the first end and the second end of the insulative housing.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: April 14, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 7517224
    Abstract: An IC socket includes a socket body (1) having a plurality of passageways (10) extending obliquely from a mating surface (101) toward a mounting surface (103). At least two terminals (2) are insertable into each of the passageways. Thus, even if the at least two terminals are laterally and obliquely movable with respect to an end of the passageway upon the pressure of the IC package toward the IC socket, effective electrical connection between the IC package and the printed circuit board are also established through the use of the IC socket due to having every two terminals of one passageway employed for electrically mating with a common contact pad of the IC package or a common conductive element (31) of the printed circuit board.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: April 14, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Chia-Wei Fan, Hao-Yun Ma
  • Patent number: D596124
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: July 14, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Hao-Yun Ma, Cheng-Chi Yeh