Embossed substrate and photoreceptor device incorporating the sa

Details Embossed substrate and photoreceptor device incorporating the sa Embossed substrate and photoreceptor device incorporating the sa

1997-06-04

1999-11-30

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Light polarizing article or holographic article

264 138, 264 16, 264 25, 264220, 264225, 264226, 264227, 264496, 156209, 156297, 205 70, 427487, 427508, 427510, 427294, B29C 3508, C08J 704, B05D 300

Patent

active

059937025

ABSTRACT:
An embossed substrate comprising a substrate of a plastic material and having a surface and an embossed surface carried by the surface of the substrate. The embossed surface is characterized by having a pattern with an average roughness of between 100 nanometers and 300 nanometers with the roughness being distributed substantially uniformly over the surface, the pattern has ridges and valleys with the horizontal distance between adjacent ridges and/or valleys being greater than the depth between the ridges and the valleys. The peaks and the valleys are randomly disposed without periodicity to cause diffusion of light impinging thereon to minimize or eliminate interference effects when the embossed surface overcoated with thin planar organic layers is exposed to light.

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