Patent ID: 6401330
Filing Date: 2002-06-11
Classification: B23K,B23Q,G01R,H05K,Y02P,Y10T

Abstract:
A system comprising:a printed circuit board having a plurality of bonding sites and an upper surface; a packaged integrated circuit having a plurality of conductive portions for electrically contacting corresponding ones of the bonding sites when the packaged integrated circuit is mounted to the printed circuit board, a portion of the integrated circuit package being formed of a magnetic material; a magnet to controllably induce a magnetic field at the upper surface of the printed circuit board, the magnetic field having a strength sufficient to attract the magnetic material provided in the integrated circuit package and to hold the packaged integrated circuit onto the printed circuit board; and a testing unit for evaluating the printed circuit board and packaged integrated circuit while the packaged integrated circuit is held onto the printed circuit board by the magnetic field induced by the magnet, wherein the integrated circuit package comprises a semiconductor integrated circuit chip encapsulated within a casing and a lead frame electrically coupled to the semiconductor integrated circuit chip, wherein the lead frame has a plurality of conductive leads which form the conductive portions, and wherein the lead frame includes the magnetic material.