Importance

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Abstract

A magnetic pencil for moving semiconductor devices is disclosed, which includes a tubular housing provided with two pin holes; a hollow push rod inserted into the housing, and having guide slots at positions corresponding to the pin holes of the housing, with its upper end being closed; an insertion rod inserted into the hollow push rod, with a magnet attached on the lower tip thereof, and with screw holes provided at positions corresponding to the guide slots; and a spring fitted between the upper tip of the insertion rod and the closed upper end of the push rod. In the assembled state, guide pins are provided between the holes of the housing and the screw holes of the insertion rod through said guide slots, respectively. When the magnetic pencil is positioned uprightly by gripping with the fingers of an operator, a semiconductor device is attached to the magnet slightly projected from the lower tip of the pencil. The semiconductor device is moved as much as intended, and then, the closed upper end which forms the projected portion of the push rod is pressed down. The guide pins are guided relatively along the guide slots of the push rod, and this permits the attached semiconductor device to be pushed down by the push rod, thereby separating the semiconductor device from the magnet.

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First Claim