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Flexible metallic substrate for CIS solar cells produced without vacuum technology, comprises copper foil strip with electroplated layered structure containing specified metals and alloys
Flexible metallic substrate for CIS solar cells produced without vacuum technology, comprises copper foil strip with electroplated layered structure containing specified metals and alloys
The substrate comprises an electroplated, layered structure on a copper foil strip. One of two alternative systems is applied. The first is a base layer of chromium, nickel or nickel-iron, with a contact layer of molybdenum, tungsten, palladium, nickel-tungsten alloy or nickel-palladium alloy. The second is merely a contact layer of nickel-molybdenum-, nickel tungsten or nickel palladium alloy. An independent claim is included for the method of manufacture of the substrate, essentially as indicated above.
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