Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1989-04-11
1991-04-30
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
4284111, 428457, 428461, 428500, 428516, 428901, 526161, 526166, 526169, 526281, 526283, 264104, B32B 900
Patent
active
050117300
ABSTRACT:
Dielectric supports for electronic components, such as circuit boards, are provided which are comprised of two or more bulk polymerized norbornene-type monomers. The monomers may be easily processed into circuit boards, etc. by reaction injection molding. The copolymers obtained exhibit high heat distortion temperatures and good dielectric properties and a balance of properties that make them, for example, well suited for molded wire board materials.
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Barnes Dennis A.
Janda Dennis J.
Smith David J.
Tenney Lindwood P.
Ryan Patrick J.
The B. F. Goodrich Company
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