MANUFACTURE OF METALLIC BASE PRINTED BOARD
PURPOSE:To form an accurate and miniature pattern and to improve insulating reliability of an opening by coating the surface and opening of a metal plate in which predetermined portions are opened with resin by fluidizing and dipping, then forming a circuit with conductive paste, and forming through...
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creator | FUKUSHIMA MUNEHIKO |
description | PURPOSE:To form an accurate and miniature pattern and to improve insulating reliability of an opening by coating the surface and opening of a metal plate in which predetermined portions are opened with resin by fluidizing and dipping, then forming a circuit with conductive paste, and forming through holes as required. CONSTITUTION:An opened metal plate 5 is treated in a fluidizing and dipping tank of resin powder for forming an insulating layer of epoxy resin, polyamide, etc., the surface and, opening 6 are covered with resin to form a resin insulating layer 7. After a circuit 8 is formed with conductive paste on the layer 7, holes 6 to be filled with resin of the plate 5 are opened. Further, if necessary, through hole conductive layers 9 are formed in the holes 6 by means, such as through hole plating or conductive paste coating, etc. |
format | Patent |
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CONSTITUTION:An opened metal plate 5 is treated in a fluidizing and dipping tank of resin powder for forming an insulating layer of epoxy resin, polyamide, etc., the surface and, opening 6 are covered with resin to form a resin insulating layer 7. After a circuit 8 is formed with conductive paste on the layer 7, holes 6 to be filled with resin of the plate 5 are opened. 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CONSTITUTION:An opened metal plate 5 is treated in a fluidizing and dipping tank of resin powder for forming an insulating layer of epoxy resin, polyamide, etc., the surface and, opening 6 are covered with resin to form a resin insulating layer 7. After a circuit 8 is formed with conductive paste on the layer 7, holes 6 to be filled with resin of the plate 5 are opened. 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CONSTITUTION:An opened metal plate 5 is treated in a fluidizing and dipping tank of resin powder for forming an insulating layer of epoxy resin, polyamide, etc., the surface and, opening 6 are covered with resin to form a resin insulating layer 7. After a circuit 8 is formed with conductive paste on the layer 7, holes 6 to be filled with resin of the plate 5 are opened. Further, if necessary, through hole conductive layers 9 are formed in the holes 6 by means, such as through hole plating or conductive paste coating, etc.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS |
title | MANUFACTURE OF METALLIC BASE PRINTED BOARD |
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