Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1984-07-12
1986-06-03
Childs, Sadie L.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427 96, 4273855, 427387, 428210, 428901, B05D 512
Patent
active
045929440
ABSTRACT:
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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Clark Roger J.
Economy James
Flandera Mary A.
Susko John R.
Wheater Robin A.
Childs Sadie L.
International Business Machines - Corporation
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