Patents by Inventor Chang Jun Park

Chang Jun Park 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: 8643466
    Abstract: The present invention relates to a method and system for setting security of a portable terminal by utilizing an RFID (Radio Frequency Identification) function of a USIM (Universal Subscriber Identity Module) card used in Third Generation portable terminals. For this, USIM card information is registered in an access control server, and the USIM card information of the portable terminal is sensed through a RFID reader installed at a point of entry of a secure area, and the security setting of the portable terminal is automatically performed according to the registration of USIM card information in the access control server.
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Jun Park, Ju Yong Choi
  • Publication number: 20130146025
    Abstract: A fuel supply system of a vehicle, may include a fuel tank storing ethanol therein, a main injector installed at an engine to inject the ethanol from the fuel tank, a heater provided to heat the ethanol supplied from the fuel tank to the engine, a cold-starting injector installed at the engine to inject the ethanol heated by the heater, and a valve unit connected to the main injector and the cold-starting injector and performing a switching operation between a state of the ethanol being supplied from the fuel tank to the main injector and a state of the ethanol heated by the heater being supplied to the cold-starting injector.
    Type: Application
    Filed: June 6, 2012
    Publication date: June 13, 2013
    Applicant: Kia Motors Corp.
    Inventors: Chang Han Kim, Myeong Hwan Kim, Chang Jun Park
  • Patent number: 8394717
    Abstract: A semiconductor package includes a semiconductor chip provided with a bonding pad disposed over a surface thereof; a through electrode passing from the surface to a second surface opposing the first surface and connected electrically with the bonding pad; and a redistribution disposed at the second surface and connected electrically with the through electrode. An embodiment of the present invention is capable of significantly reducing the thickness and volume of the semiconductor package. It is also capable of high speed operation since the path of the signal inputted and/or outputted from the semiconductor package is shortened. It is capable of stacking easily at least two semiconductor packages having a wafer level, and it is capable of significantly reducing parasitic capacitance.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: March 12, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventor: Chang Jun Park
  • Patent number: 8358016
    Abstract: A semiconductor package having an internal cooling system is presented which includes a semiconductor chip and a through-electrode. The semiconductor chip has a circuit section. The through-electrode passes through an upper surface and a lower surface the semiconductor chip. The through-electrode is electrically connected with the circuit section of the semiconductor chip. The through-electrode also has a through-hole for allowing cooling fluid to flow therethrough.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: January 22, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Min Suk Suh, Chang Jun Park
  • Patent number: 8338921
    Abstract: A wafer level chip scale package having an enhanced heat exchange efficiency with an EMF shield is presented. The wafer level chip scale package includes a semiconductor chip, an insulation layer, and a metal plate. The semiconductor chip has a plurality of bonding pads on an upper face thereof. The insulation layer is disposed over the upper face of the semiconductor chip and has openings that expose some portions of the bonding pads. The metal plate covers an upper face of the insulation layer and side faces of the semiconductor chip in which the metal plate is electrically insulated from the bonding pads.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: December 25, 2012
    Assignee: SK Hynix Inc.
    Inventors: Chang Jun Park, Kwon Whan Han, Seong Cheol Kim, Sung Min Kim, Hyeong Seok Choi, Ha Na Lee, Tac Keun Oh, Sang Joon Lim
  • Patent number: 8232642
    Abstract: A printed circuit board includes a body part formed with connection pads on a first surface thereof; and a warpage compensating part formed over the first surface of the body part and having a height that increases from edges toward a center of the warpage compensating part so that an upper surface of the warpage compensating part facing away from the first surface of the body part is convex upward. The warpage compensating part comprises conductive layer patterns formed over the first surface of the body part to be electrically connected to the connection pads; and a solder resist formed over the first surface of the body part so as to expose the conductive layer patterns. The height of the solder resist gradually increases from both edges toward a center of the solder resist.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: July 31, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Seong Cheol Kim, Chang Jun Park
  • Publication number: 20120175783
    Abstract: A semiconductor package having an internal cooling system is presented which includes a semiconductor chip and a through-electrode. The semiconductor chip has a circuit section. The through-electrode passes through an upper surface and a lower surface the semiconductor chip. The through-electrode is electrically connected with the circuit section of the semiconductor chip. The through-electrode also has a through-hole for allowing cooling fluid to flow therethrough.
    Type: Application
    Filed: March 13, 2012
    Publication date: July 12, 2012
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Min Suk SUH, Chang Jun PARK
  • Patent number: 8159065
    Abstract: A semiconductor package having an internal cooling system is presented which includes a semiconductor chip and a through-electrode. The semiconductor chip has a circuit section. The through-electrode passes through an upper surface and a lower surface the semiconductor chip. The through-electrode is electrically connected with the circuit section of the semiconductor chip. The through-electrode also has a through-hole for allowing cooling fluid to flow therethrough.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: April 17, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Min Suk Suh, Chang Jun Park
  • Publication number: 20120049385
    Abstract: A wafer level chip scale package having an enhanced heat exchange efficiency with an EMF shield is presented. The wafer level chip scale package includes a semiconductor chip, an insulation layer, and a metal plate. The semiconductor chip has a plurality of bonding pads on an upper face thereof. The insulation layer is disposed over the upper face of the semiconductor chip and has openings that expose some portions of the bonding pads. The metal plate covers an upper face of the insulation layer and side faces of the semiconductor chip in which the metal plate is electrically insulated from the bonding pads.
    Type: Application
    Filed: November 4, 2011
    Publication date: March 1, 2012
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Chang Jun PARK, Kwon Whan HAN, Seong Cheol KIM, Sung Min KIM, Hyeong Seok CHOI, Ha Na LEE, Tac Keun OH, Sang Joon LIM
  • Publication number: 20120009775
    Abstract: A semiconductor package includes a semiconductor chip provided with a bonding pad disposed over a surface thereof; a through electrode passing from the surface to a second surface opposing the first surface and connected electrically with the bonding pad; and a redistribution disposed at the second surface and connected electrically with the through electrode. An embodiment of the present invention is capable of significantly reducing the thickness and volume of the semiconductor package. It is also capable of high speed operation since the path of the signal inputted and/or outputted from the semiconductor package is is shortened. It is capable of stacking easily at least two semiconductor packages having a wafer level, and it is capable of significantly reducing parasitic capacitance.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventor: Chang Jun PARK
  • Patent number: 8044516
    Abstract: A semiconductor package includes a semiconductor chip provided with a bonding pad disposed over a surface thereof; a through electrode passing from the surface to a second surface opposing the first surface and connected electrically with the bonding pad; and a redistribution disposed at the second surface and connected electrically with the through electrode. An embodiment of the present invention is capable of significantly reducing the thickness and volume of the semiconductor package. It is also capable of high speed operation since the path of the signal inputted and/or outputted from the semiconductor package is shortened. It is capable of stacking easily at least two semiconductor packages having a wafer level, and it is capable of significantly reducing parasitic capacitance.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: October 25, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventor: Chang Jun Park
  • Patent number: 7989264
    Abstract: A semiconductor package and a method for manufacturing the same is provided for minimizing or preventing warpage and twisting of semiconductor chip bodies as a result of thinning them during gringing. The semiconductor package includes a semiconductor chip body and a substrate. The semiconductor chip body has a first surface, a second surface facing away from the first surface, through-electrodes which pass through the semiconductor chip body and project from the second surface, and a warpage prevention part which projects in the shape of a fence along an edge of the second surface. The substrate has a substrate body and connection pads which are formed on an upper surface of the substrate body, facing the second surface, and which are connected with the projecting through-electrodes.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: August 2, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventor: Chang Jun Park
  • Publication number: 20110108982
    Abstract: A printed circuit board includes a body part formed with connection pads on a first surface thereof; and a warpage compensating part formed over the first surface of the body part and having a height that increases from edges toward a center of the warpage compensating part so that an upper surface of the warpage compensating part facing away from the first surface of the body part is convex upward. The warpage compensating part comprises conductive layer patterns formed over the first surface of the body part to be electrically connected to the connection pads; and a solder resist formed over the first surface of the body part so as to expose the conductive layer patterns. The height of the solder resist gradually increases from both edges toward a center of the solder resist.
    Type: Application
    Filed: July 13, 2010
    Publication date: May 12, 2011
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Seong Cheol Kim, Chang Jun Park
  • Patent number: 7898834
    Abstract: A semiconductor chip with a chip selection structure suitable for a stacked semiconductor chip includes a semiconductor chip body and a chip selection structure. The chip selection structure includes a chip selection pad disposed over the semiconductor chip body, a main through electrode electrically connected to the chip selection pad, and a sub through electrode interposed between the main through electrode and the chip selection pad. A plurality of the semiconductor chips, each having the same chip selection structure, can be stacked by offsetting the stacked semiconductor chips.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: March 1, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sung Min Kim, Chang Jun Park, Kwon Whan Han, Seong Cheol Kim, Ha Na Lee
  • Patent number: 7859102
    Abstract: A stacked wafer level semiconductor package module includes a semiconductor chip module including first and second semiconductor chips each having a rectangular shape. The first semiconductor chip has first pads disposed along a first short side of a lower surface thereof. The second semiconductor chip has second pads disposed along a first short side of a lower surface thereof. The first and second semiconductor chips are stacked so as to expose the first pad and the second pad on one side of the stacked first and second semiconductor chips. The package also includes a substrate having a first connection pad facing the first pad and a second connection pad facing the second pad. The package also includes a first connection member for connecting the first pad to the first connection pad, and a second connection member for connecting the second pad to the second connection pad.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: December 28, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sung Min Kim, Chang Jun Park, Kwon Whan Han, Seong Cheol Kim, Hyeong Seok Choi, Ha Na Lee
  • Publication number: 20100317151
    Abstract: A semiconductor package and a method for manufacturing the same is provided for minimizing or preventing warpage and twisting of semiconductor chip bodies as a result of thinning them during gringing. The semiconductor package includes a semiconductor chip body and a substrate. The semiconductor chip body has a first surface, a second surface facing away from the first surface, through-electrodes which pass through the semiconductor chip body and project from the second surface, and a warpage prevention part which projects in the shape of a fence along an edge of the second surface. The substrate has a substrate body and connection pads which are formed on an upper surface of the substrate body, facing the second surface, and which are connected with the projecting through-electrodes.
    Type: Application
    Filed: August 2, 2010
    Publication date: December 16, 2010
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventor: Chang Jun PARK
  • Patent number: 7795073
    Abstract: Manufacturing a wafer level stack package includes the steps of back-grinding a lower surface of a wafer including a plurality of first semiconductor chips. A support member is attached to a lower surface of the back-grinded wafer. One or more second semiconductor chips are stacked on the respective first semiconductor chips of the back-grinded wafer. First through-electrodes are formed to electrically connect the stacked first semiconductor chips and second semiconductor chips. Third semiconductor chips are attached to uppermost ones of the stacked second semiconductor chips, and the third semiconductor chips have second through-electrodes which are electrically connected to the first through-electrodes and re-distribution lines which are connected to the second through-electrodes. Outside connection terminals are attached to the re-distribution lines of the third semiconductor chips.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: September 14, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Kwon Whan Han, Chang Jun Park, Seong Cheol Kim, Sung Min Kim, Hyeong Seok Choi, Ha Na Lee
  • Patent number: 7795139
    Abstract: A method for manufacturing a semiconductor package includes forming a groove in the portion outside of the bonding pad of a semiconductor chip provided with the bonding pad on an upper surface thereof; forming an insulation layer on the side wall of the groove; forming a metal layer over the semiconductor chip so as to fill the groove formed with the insulation layer; etching the metal layer to simultaneously form a through silicon via for filling the groove and a distribution layer for connecting the through silicon via and the bonding pad; and removing a rear surface of the semiconductor chip such that the lower surface of the through silicon via protrudes from the semiconductor chip.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: September 14, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Kwon Whan Han, Chang Jun Park, Min Suk Suh, Seong Cheol Kim, Sung Min Kim, Seung Taek Yang, Seung Hyun Lee, Jong Hoon Kim, Ha Na Lee
  • Patent number: 7795718
    Abstract: A semiconductor package and a method for manufacturing the same is provided for minimizing or preventing warpage and twisting of semiconductor chip bodies as a result of thinning them during grinding. The semiconductor package includes a semiconductor chip body and a substrate. The semiconductor chip body has a first surface, a second surface facing away from the first surface, through-electrodes which pass through the semiconductor chip body and project from the second surface, and a warpage prevention part which projects in the shape of a fence along an edge of the second surface. The substrate has a substrate body and connection pads which are formed on an upper surface of the substrate body, facing the second surface, and which are connected with the projecting through-electrodes.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: September 14, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventor: Chang Jun Park
  • Patent number: D675929
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: February 12, 2013
    Assignee: CJ Cheiljedang Corp.
    Inventors: Chang Jun Park, Hyun Wook Lee, Na Young Yim