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July 1998

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Subject:
ALUMINUM WEDGE BONDING??
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Date:
Wed, 15 Jul 1998 14:29:27 -0400
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        We currently build soft gold products for gold ball bonding. I
        was wondering if anyone knows weather these nickel and gold
        thickness can be used for Aluminum wedge bonding?


     1). Can 30-50 microinches of soft electrolytic gold be used for Aluminum
     wedge bonding?

     2).Will I get better bond pulls using thinner gold, how thick,
     electrolyze, electrolytic?

     3).Any special nickel thickness?

     4).Will a flash of gold over palladium work for Aluminum wedge?

     Thanks

     Rick Pado
     Hadco Owego
     (607) 6872415 ext.5473
     "e mail"= [log in to unmask]

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