Alan M Buchanan
Engineers in Cottonwood Heights, UT
License number
Utah 164196-2202
Category
Engineer/Land Surveyor
Type
Professional Engineer
Address
Address
Cottonwood Heights, UT
Professional information
Printed Wiring Board Substrate For Surface Mounted Components
US Patent:
4963425, Oct 16, 1990
Filed:
Mar 5, 1985
Appl. No.:
6/708588
Inventors:
Alan M. Buchanan - Midvale UT
Jay S. Abramowitz - Salt Lake City UT
Jay S. Abramowitz - Salt Lake City UT
Assignee:
Unisys Corporation - Blue Bell PA
International Classification:
H05K 103, B32B 702
US Classification:
428212
Abstract:
A laminated printed wiring board having surfaces thereof fabricated from conventional fiber reinforced laminates which are secured together by means of an adhesive fabricated of a reinforced thermosetting resin having a coefficient of thermal expansion (CTE) which is substantially smaller than the CTE of the surface laminate whereby the apparent CTE of the overall printed wiring board assembly is substantially controlled.