Patents by Inventor Hao-Yun Ma

Hao-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).

  • 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: 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
  • 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
  • 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: 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: 7517240
    Abstract: A fine pitch electrical connector includes an insulative housing and a lot of contacts received in the housing. The housing defines a mating surface, a mounting surface opposite to the mating surface, and at least four passageways arranged between the mating surface and the mounting surface. Each contact comprises a retaining portion secured in a passageway and a contacting portion extending therefrom and located in the passageway. Each passageway communicates with adjacent passageway via a slot. When an IC module is assembled to the connector, pins of the IC module each are disposed partially into a passageway and partially into a slot.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: April 14, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 7510402
    Abstract: Provided is an electrical connector for electrically connecting a plug assembly having a plurality conductive pads to a PCB, comprising a dielectric housing including a base having a plurality of sidewalls extending therefrom; the base defining a receiving cavity for receiving the plug assembly together with said sidewalls; a plurality of spring contacts received in the base, and defining a resilient arm extending above the base, the resilient arm having a contact portion for wiping the corresponding conductive pads of the plug assembly and exerting a tangential component force, while the plug assembly is mated into the receiving cavity of the housing; wherein the base is divided into several sections, each section having a plurality of spring contacts received therein, the spring contacts received in a same section oriented in a same direction but different from those in other sections, sidewalls which is opposite to the composition of the tangential component force defining a plurality of push finger in ord
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: March 31, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Hao-Yun Ma, Hsiu-Yuan Hsu, Shih-Wei Hsiao
  • Patent number: 7510403
    Abstract: An electrical connector (1) for electrically connecting a chip module to a printed circuit board includes an insulative housing (2), a number of contacts received in the insulative housing, and a metal stiffener (3) partially surrounding the insulative housing. The insulative housing has an upper mounting surface, opposite lower connecting surface, and defines a number of contact-receiving passageways penetrating through said mounting and connecting surfaces thereof. The contacts are received in the contact-receiving passageways of the insulative housing adapted for electrically connecting with said chip module and the printed circuit board which respectively assembled to the mounting surface and the connecting surface of the insulative housing. The insulative housing has a portion located below the metal stiffener and confronted by the metal stiffener to prevent the deformation of the insulative housing.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: March 31, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Publication number: 20090075493
    Abstract: An electrical connector (100) comprises an insulative housing (30) having a plurality of terminals receiving therein; a stiffener (50) surrounding the insulative housing (30); a clip (60) and a lever (70) pivotally assembled to the stiffener (50). The stiffener (50) comprises a main portion (502) defining an opening (503) for receiving the insulative housing (30) and some through holes (516) at corners thereof. The electrical connector (100) further comprises a plurality of gaskets (80) retained on a peripheres of the through holes (516) of the stiffener (50).
    Type: Application
    Filed: September 15, 2008
    Publication date: March 19, 2009
    Inventor: Hao-Yun Ma
  • Patent number: 7503787
    Abstract: An electrical connector assembly (1) includes a circuit substrate (3), a dielectric housing (4) and a number of conductive terminals (5) secured thereto seated on the circuit substrate, an integrated circuit package (6) mounted on the housing, a clamping board (7) positioned on the circuit package and a compliant backboard (2) located beneath the circuit substrate, and a number of screws (8) coupling the clamping board and the backboard to each other. The backboard is formed with a number of protrusions (212) abuttingly urging the circuit substrate toward the housing.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: March 17, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Wei Yu, Hao-Yun Ma
  • Publication number: 20090068876
    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: Application
    Filed: September 10, 2008
    Publication date: March 12, 2009
    Inventor: Hao-Yun Ma
  • Publication number: 20090068875
    Abstract: An electrical connector assembly includes a frame (7) defining a central opening (70) and with a front portion (75) and a rear portion (76), an insulative housing (10 securely disposed within the central opening, a cover (6) having hook portions (61) rotatablely assembled in the rear portion of the frame, a lever (3) with a pressing portion (32) pivotally retained to the front portion of the frame to lock the cover against the insulative housing, a heat sink (4) disposed onto the cover and at least one clip (5) for securing the heat sink to the cover. The frame defines locking portions (710, 720) at the front portion and the rear portion thereof, the at least one clip defines a pair of legs (50) and a connecting portion (52) connecting the legs. One leg locks with the locking portion of the front portion and the other leg locks with the locking portion of the rear portion of the frame.
    Type: Application
    Filed: September 10, 2008
    Publication date: March 12, 2009
    Inventor: Hao-Yun Ma
  • Publication number: 20090053914
    Abstract: The present invention provides an electrical connector for electrical connecting an IC package having a plurality of pins to a PCB. The electrical connector comprises a base defining a plurality of passageways, a plurality of contacts received in the passageways, and a cover moveable relative to the base from a first position to a second position. The cover defines a plurality of through holes corresponding the passageway. The contacts each have a resilient arm. During movement of the cover from the first position to the second position, pins of the IC package will compress the resilient arms of the contacts along a direction and the resilient will exert a normal force on the pins, thus ensuring proper connection between the resilient arm and the pins; wherein direction of the normal force is opposite to the direction of the pins moving.
    Type: Application
    Filed: August 21, 2008
    Publication date: February 26, 2009
    Inventor: 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