Appeal No. 1999-0725
Application 08/476,475
ball. Microelectronics shows a mask having a knife edge
approximately halfway between the upper and lower surfaces.
Microelectronics does not disclose placing a mask over the solder
ball as recited in claimed step (b) and does not disclose depositing
a layer of low melting point metal over the solder ball through the
mask as recited in claimed step (c).
Because the references do not teach depositing a layer of low
melting point metal over a solder ball with a mask, we conclude that
the Examiner has failed to establish a prima facie case of
obviousness with respect to claim 1. The rejection of claims 1-20
and 22-26 is reversed.
Melton is applied to the rejection of claim 21. However,
Melton does not cure the deficiencies of the rejection of claim 1.
Accordingly, the rejection of claim 21 is reversed.
CONCLUSION
The rejections of claims 1-26 are reversed.
REVERSED
IAN A. CALVERT )
Administrative Patent Judge )
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