Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1987-11-18
1990-08-07
Schofer, Joseph L.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428267, 4284435, 4285428, 428901, 524 96, B05D 100
Patent
active
049467344
ABSTRACT:
A resin composition for printed circuit board and the printed circuit board in which said resin composition is used as substrate, said resin composition comprising one or more cyclic phosphonitrile compounds represented by the general formula [I] and/or [II] and an aromatic maleimide compound and/or an aromatic amine: ##STR1## wherein at least two of R's (R.sub.1 to R.sub.8) are groups represented by ##STR2##
REFERENCES:
patent: 4191715 (1980-03-01), Wu et al.
patent: 4276344 (1981-06-01), Frosh
patent: 4550177 (1935-10-01), Kumar et al.
patent: 4634759 (1987-01-01), Kumar et al.
Narahara Toshikazu
Ono Masahiro
Sugawara Katuo
Takahashi Akio
Hitachi , Ltd.
Reddick J. M.
Schofer Joseph L.
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