Wire bonder for ball bonding insulated wire and method of using same
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United States of America Patent
Stats
-
Apr 22, 2008
Grant Date -
Jun 30, 2005
app pub date -
Dec 7, 2004
filing date -
Nov 20, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrical contact device is provided for electrically grounding an uninsulated end-portion of insulated wire stored on a spool driven by a device comprises the following. An electrical connector fixes to the spool and is configured to receive an electrical connection with the uninsulated end-portion of said insulated wire. A stationary electrical contact is provided for connecting to a ground. The stationary electrical contact is further configured to be placed about the shaft. A conductive bearing is also provided. The conductive bearing is configured to be placed about the shaft and between the electrical connector and the electrical contact. The conductive bearing electrically couples the electrical connector to said stationary electrical contact, thereby providing said ground to said uninsulated end-portion of said insulated bond wire. A wire-bonder including such a contact device and a method for making such a wire-bonder are also provided.
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