Mohanan P Kalliat from 4160 Amberfield Cir, Norcross, GA 30092, age 72, Phone: 7706139966

Mohanan Kalliat Phones & Addresses

Method Of Fabricating Multilayer Structures With Nonplanar Surfaces
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US Patent:

47372087, Apr 12, 1988
Filed:

Sep 29, 1986
Appl. No.:

6/912874
Inventors:

Donald P. Bloechle - Rockaway NJ
Mohanan P. Kalliat - Richmond VA
William A. Mazeika - Mechanicsville VA
Assignee:

American Telephone and Telegraph Company, AT&T Bell Laboratories - Murray Hill NJ
AT&T Technologies, Inc. - Berkeley Heights NJ
International Classification:

B32B 3120
B32B 3300
US Classification:

156 90
Abstract:

Disclosed is a method for laminating multilayer structures with nonplanar surfaces such as structures which include cavity (20) formed therein. A conformal material (32), a release material (31), and an optional template (36) are provided over the structure prior to the lamination bonding operation. The conformal and release materials then fill the cavity during the bonding operation to prevent flow of adhesive (25 and 26) from between the layers into the cavity, and the template redistributes cavity edge stresses to minimize wire bonding pad deflections. The materials can then be removed for further processing of the multilayer structure.