Method for producing a circuit board

Details Method for producing a circuit board Method for producing a circuit board

2006-07-04

2006-07-04

Trinh, Minh (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S831000, C029S846000, C029S847000, C174S260000, C174S255000, C216S013000, C216S108000

Reexamination Certificate

active

07069645

ABSTRACT:
A method for producing a circuit board having a metal circuit pattern on an insulating substrate is provided, including the steps of joining a metal plate onto a surface of the insulating substrate using a hard brazing member containing an active element and removing unnecessary conductive layer portions adjacent a metal circuit pattern of the metal plate to at least partially expose a portion of the surface of the insulating substrate.

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