Milling of flex foil with two conductive layers from both sides

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United States of America Patent

PATENT NO 11849544
APP PUB NO 20200337154A1
SERIAL NO

16918474

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Abstract

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A method for milling flex foil includes providing a web of flex foil including a substrate; a first conductive layer arranged on one surface of the substrate; a second conductive layer arranged on an opposite surface of the substrate; a first insulating layer arranged adjacent to the first conductive layer; and a second insulating layer arranged adjacent to the second conductive layer. The method includes dry milling one side of the web using a first cliché pattern including raised portions and non-raised portions to selectively remove at least one of the first conductive layer and the first insulating layer. The method includes dry milling an opposite side of the web using a second cliché pattern including upper raised portions, lower raised portions and non-raised portions to selectively remove the second insulating layer.

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Patent Owner(s)

Patent OwnerAddress
DP PATTERNING ABSODRA GRYTGATAN 4 NORRKOPING 602 33

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horzella, Jan Balgheim, DE 6 10
Jung, Fritz Fuchstal, DE 4 6

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