Amalgam method for forming a sputter target useful in the manufacture of thin-film solar photovoltaic cells
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United States of America Patent
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Oct 28, 2014
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Dec 20, 2012
filing date -
Jan 20, 2012
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Abstract
Hardened amalgams formed from copper mixed with liquid gallium or liquid gallium-indium alloys are used to fabricate sputter targets comprised of copper, gallium and indium (CIG) and targets of selenides of copper, gallium and indium (CIGS). Amalgam hardening occurs by formation of intermetallic compounds at or near ambient temperature as a result of reaction between liquid metals and solid metals in powder form.
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