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Lim Yu Sik: Socket apparatus for testing package. LG Semicon, Morgan Lewis & Bockius, November 23, 1999: US05989039 (11 worldwide citation)

A socket apparatus for testing a semiconductor package includes a main body having a plurality of contact pins therein, a locking member disposed in the main body for securing the semiconductor package that is to be loaded into the main body, an unlocking member for releasing the package secured by ...


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Lim Yu Sik: Socket apparatus for testing semiconductor package. Magnachip Semiconductor, September 21, 1999: TW370700

A socket apparatus for testing a semiconductor package includes a main body having a plurality of contact pins therein, a locking member disposed in the main body to support a package that is to be loaded into the main body, an unlocking member for releasing a locked state of the package locked by t ...


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Lim Yu Sik: Socket for testing ball grid array package. Hyundai Micro Electronics, January 22, 2000: KR1019970080680

PURPOSE: A socket for testing a ball grid array package is provided to allow improvement in aligning and contact properties. CONSTITUTION: The socket includes a lower base(1), an upper base(2) coupled to the lower base(1) and having contact holes(5) for receiving solder balls(4) of the package(3) du ...


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Lim Yu Sik: Work press for testing semiconductor package. Hyundai Micro Electronics, April 6, 2001: KR1019990038673

PURPOSE: A work press for testing a semiconductor package is provided to improve a contact characteristic of a contact pin of a socket and the semiconductor package and to prevent a contactor of the work press from being damaged. CONSTITUTION: A work press(1) for testing a semiconductor package has ...


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Lim Yu Sik: Quad flat package socket of semiconductor testing handler. Hyundai Micro Electronics, July 15, 2000: KR1019980060419

PURPOSE: A quad flat package socket of a semiconductor testing hander is to improve align and contact characteristics in testing a device of the quad flat package type. CONSTITUTION: A quad flat package socket of a semiconductor testing hander comprises a housing(1), a support frame(3) mounted on a ...


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Lim Yu Sik: Apparatus for ejecting pogo pin. Hyundai Micro Electronics, July 5, 2000: KR1019980055608

PURPOSE: An apparatus for ejecting a pogo pin is to prevent another pogo pin from being damaged upon ejecting a pogo pin and allow the pogo pin to be smoothly ejected, thereby enhancing the operation efficiency. CONSTITUTION: An apparatus for ejecting a pogo pin comprises a pogo pin ejecting member( ...