PRODUCTION OF COMPOSITE LAMINATED PLATE

PURPOSE:To provide a composite laminated plate in which the rate of change in dimension before and after etching is small by using the crushed article of epoxy resin in combination with varnish. CONSTITUTION:C-staged epoxy resin is used regardless of any curing system of amine system, acid anhydride...

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Bibliographische Detailangaben
Hauptverfasser:	OHORI KENICHI, SHIMIZU AKIRA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRINTED CIRCUITS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a composite laminated plate in which the rate of change in dimension before and after etching is small by using the crushed article of epoxy resin in combination with varnish. CONSTITUTION:C-staged epoxy resin is used regardless of any curing system of amine system, acid anhydride system and phenol system or the like. Further it is used regardless of either of a fire-retardant type and a noncombustible type. A crushing method is not limited in particular. The blending amount of the crushed article of C-staged epoxy resin properly is 50-60 pts.wt. for 100 pts.wt. epoxy resin and varnish. Effect is little at =60 pts.wt. and coating workability is lowered. In such a way, the crushed article is added and mixed with an epoxy resin and varnish at a prescribed wt.%. The base material of a core layer is impregnated with the obtained epoxy resin and varnish and dried. Thereafter the obtained prepreg is used as the core layer. A surface layer is overlapped on the prepreg, heated and pressurized to produce a desired composite laminated plate.