Gripper and method for detaching packaged chip from PCB
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United States of America Patent
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Feb 28, 2006
Issued Date -
N/A
app pub date -
Jun 11, 2003
filing date -
Nov 25, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gripper for detaching a packaged chip from a PCB. The gripper comprises a plurality of hooks, elastic slices, and a heating device. These hooks are used for gripping and hooking the packaged chip. Each hook includes a chip-upholding part and a chip-gripping part, wherein the chip-gripping part is used for gripping the packaged chip, and the chip-upholding part is used for hooking the packaged chip in the gap. These elastic slices are used for providing the elasticity. Each elastic slice comprises a fastened end and a flexible end, wherein the flexible end connects the chip-gripping part and results the hook gripping the packaged chip. The heating device is used for heating the packaged chip to melt the solder balls. Wherein all the bonded fastened ends are exerted an upward force, and the gripper detaches the packaged chip from the PCB when the solder balls of the packaged chip are melted.
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