International Business Machines Corporation

Wheater, Robin A

James Economy

John R Susko

Roger J Clark

Mary A Flandera

An electronic circuit having an electrically conductive pattern formed on a substrate and having on at least one surface of the substrate a film obtained from a soluble polymerizable oligomer of the formula: ##STR1## wherein M is --C.tbd.C--, --C.tbd.C--C.tbd.C, --O--, ##STR2## wherein R is an alkyl or aromatic group; wherein Ar is an aromatic group; wherein X is an integer greater than two but less than 30, z is either zero or an integer, and y is an integer with the sum of y and z equal to x; and wherein n is an integer from 1 to 10. The substrate is coated by applying the above composition to the substrate and then hardening the composition by further polymerization. Preferred compositions contain the above described oligomer and certain plasticizers and/or toughening agents.

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Owego, NY, United States of America

Wheater, Robin A