Stock material or miscellaneous articles – Structurally defined web or sheet – Including sheet or component perpendicular to plane of web...
Patent
1995-12-15
2000-08-08
Watkins, III, William P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including sheet or component perpendicular to plane of web...
428131, 428156, 2281801, 22818021, 22818022, 228245, 228246, 2282481, 2282485, B23K 3102
Patent
active
060999357
ABSTRACT:
An apparatus for use in manufacturing a semiconductor device having input-output (IO) lands arranged in an IO array on an IO face includes a body having a plurality of cavities extending from an operating face into the body; the cavities are arranged in a cavity loci array which is in registeration with the IO lands when the apparatus is in a manufacturing position with the operating face generally adjacent the IO face. Each cavity has a depth and a lateral expanse which cooperate to establish a volume defined by a cavity bottom and at least one cavity wall. The volume accommodates an appropriate amount of solder material to establish a measure of the solder material on a facing IO land when the apparatus is in the manufacturing position. The depth is appropriate to facilitate wettingly attracting the solder material to the facing IO land when the apparatus is in the manufacturing position and the semiconductor device and the apparatus are exposed to appropriate ambient conditions to effect reflow of the solder material. The invention also includes a method for using the apparatus in manufacturing a semiconductor device.
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Brearley William
Economikos Laertis
Findeis Paul F.
Kelly Kimberley A.
Leenstra Bouwe W.
Ahsan Aziz M.
International Business Machines - Corporation
Watkins III William P.
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