发明授权
US06929690B2 Pigment with a metallic luster 有权
颜料具有金属光泽

Pigment with a metallic luster
摘要:
A pigment with a metallic luster, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 μm, which is fully enveloped by a metal layer.
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