Method for producing a semi-finished metal product, method for producing a metal-ceramic substrate, and metal-ceramic substrate

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United States of America Patent

PATENT NO 11845700
APP PUB NO 20200361828A1
SERIAL NO

16768340

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Abstract

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A method for producing a semi-finished metal product (2), in particular a semi-finished copper product, for a metal-copper substrate, in particular for a copper-ceramic substrate, including:

    providing a first metal layer (11), in particular a first copper layer, and a second metal layer (12), in particular a second copper layer,joining the first metal layer (11) and the second metal layer (12) to form the semi-finished metal product (2), wherein, chronologically before the first metal layer (11) is joined to the second metal layer (12) by means of different temperature treatments, a grain growth in the first metal layer (11) and/or the second metal layer (12) is initiated in such a way that in the produced semi-finished metal product (2), in particular in the produced metal-copper substrate, a first grain size in the first metal layer (11) differs from a second grain size in the second metal layer (12).

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Patent Owner(s)

Patent OwnerAddress
ROGERS GERMANY GMBH92676 ESCHENBACH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Britting, Stefan Schnaittach, DE 14 17
Engel, Maximilian Luhe-Wildenau, DE 1 0
Tang, Xinhe Eschenbach, DE 16 137

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