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US09353281B2 Near infrared absorbers 有权
近红外线吸收器

Near infrared absorbers
摘要:
An ink formulation having a marking component and a reduced indium tin oxide (r-ITO) is disclosed. The r-ITO in powder form exhibits a lightness (L*), according to the 1976 CIE (L*, a*, b*) space, of not more than 50.
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