Surface Mount International Conference Proceedings


Author: Klaus Feldmann
Company: University of Erlangen
Date Published: 4/28/1997   Conference: Surface Mount International

Abstract: This paper describes the use of flexible foils made out of polysiloxane (silicone) as a base-material for flexible circuit boards. It can be shown, that the material fulfills the technological and environmentally demands on a modern material. It can be easily used in conventional production processes with almost no adaptions. The material has been structured in traditional galvanic baths without any problems. Even more, thick-layer technique on the surface is possible and laser technique was used for micro-structuring. The main problem to solve is the low mechanical stability, which can cause problems during the printing and insertion of larger dimensioned devices. The main idea was to bring high thermal energy, for example with a laser, into the aluminum-oxide of the silicon-foils, to get local stability. Keyword: silicone, polysiloxane, flex-circuitries

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