Method for manufacturing hole-filling printed wiring board, curable resin composition and hole-filling printed wiring board

A redundant part of a plated through hole that is formed in a printed wiring board is removed by a back drilling method; a penetration hole is filled entirely with a curable resin composition for hole filling; the curable resin composition is initially heated at a temperature less than 100° C. so th...

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Bibliographische Detailangaben
Hauptverfasser:	Takahashi Kazuya, Kitamura Kazunori, Usui Yukihiro
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PRINTED CIRCUITS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A redundant part of a plated through hole that is formed in a printed wiring board is removed by a back drilling method; a penetration hole is filled entirely with a curable resin composition for hole filling; the curable resin composition is initially heated at a temperature less than 100° C. so that a curing rate of the curable resin composition may be 60% to 85%; and the curable resin composition is subsequently heated at a temperature 130° C. to 200° C. so that the curable resin composition may be cured completely, where the curable resin composition contains 1 part by mass to 200 parts by mass of a curing agent with respect to 100 parts by mass of liquid epoxy resin, and contains no solvent.