Polymer protected component

Details Polymer protected component Polymer protected component

1996-06-28

1999-02-09

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156163, 156165, 156229, 4273981, B08B 312, B32B 102

Patent

active

058688820

ABSTRACT:
The present invention is a method and apparatus for mechanically bonding a polymer to a convex surface of a substrate to provide intimate contact therebetween for improved energy transport between a transducer on one side of the substrate and a chemical bath on the other. The polymer seals the surface of the substrate from the chemical bath and may have a low adhesion to the substrate. A thin film of the polymer is brought under a tensile stress to provide intimate physical contact with most of the area of the convex surface. In one embodiment, the tensile stress is achieved by providing polymer as a liquid on the convex surface and then cooling to take advantage of differential thermal contraction between the polymer and the substrate to achieve the tensile stress in the polymer.

REFERENCES:
patent: 2419758 (1947-04-01), Borkland
patent: 2430013 (1947-11-01), Hansell
patent: 2438936 (1948-04-01), Mason
patent: 3405916 (1968-10-01), Carmichael
patent: 3740291 (1973-06-01), Mallard
patent: 3764116 (1973-10-01), Fuller et al.
patent: 5279316 (1994-01-01), Miranda
patent: 5379785 (1995-01-01), Ohmori et al.
patent: 5383484 (1995-01-01), Thomas et al.

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