发明授权
US5541421A Light collector having optically coated acrylic substrate 失效
具有光学涂布丙烯酸基底的集光器

Light collector having optically coated acrylic substrate
摘要:
Apparatus for collecting and detecting radiation emitted by, reflected from, or transmitted through a scanned information medium. The apparatus includes a photodetector assembly and first and second planar mirror assemblies configured to maximize collection efficiency and flare radiation attenuation. The first and second planar mirror assemblies include specularly reflective mirrors including an acrylic substrate having a reflective aluminum coating vacuum deposited on the acrylic substrate.
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