PHOTOPATTERNABLE DIELECTRIC COMPOSITIONS AND METHOD FOR MAKING AND USING

PHOTOPATTERNABLE DIELECTRIC COMPOSITIONS AND METHODS FOR MAKING AND USING A photosensitive polyamide acid composition consisting essentially of chemically combined units of the formula where R is a tetravalent organic radical or a tetravalent organosiloxane-containing radical, R1 is a divalent organ...

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1. Verfasser: KRAY, WILLIAM D
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:PHOTOPATTERNABLE DIELECTRIC COMPOSITIONS AND METHODS FOR MAKING AND USING A photosensitive polyamide acid composition consisting essentially of chemically combined units of the formula where R is a tetravalent organic radical or a tetravalent organosiloxane-containing radical, R1 is a divalent organic radical or a divalent organosiloxane-containing radical, and A is a photoreactive acrylate, cinnamate or 2,3-diphenylcyclopro-penol ester containing radical.