Wire bonding methods and systems incorporating metal nanoparticles
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Aug 10, 2016
filing date -
Aug 18, 2015
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Abstract
Wire bonding operations can be facilitated through the use of metal nanoparticle compositions. Both ball bonding and wedge bonding processes can be enhanced in this respect. Wire bonding methods can include providing a wire payout at a first location from a rolled wire source via a dispensation head, contacting a first metal nanoparticle composition and a first portion of the wire payout with a bonding pad, and at least partially fusing metal nanoparticles in the first metal nanoparticle composition together to form an adhering interface between the bonding pad and the first portion of the wire payout. The adhering interface can have a nanoparticulate morphology. Wire bonding systems can include a rolled wire source, a dispensation head configured to provide a wire payout, and an applicator configured to place a metal nanoparticle composition upon at least a portion of the wire payout or upon a bonding pad.
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