PRINTED CIRCUIT BOARD

PURPOSE: A printed circuit board is provided to prevent the deformation of a substrate due to thermal expansion difference between a chip and the substrate by differently forming the thermal expansion rates of insulation layers. CONSTITUTION: A first insulation layer(20) is formed on the upper side...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	HAZE TAKAYUKI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS
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