Retroreflective cube corner article having scalene base triangle

Details Retroreflective cube corner article having scalene base triangle Retroreflective cube corner article having scalene base triangle

1998-07-17

1999-07-20

Phan, James

Optical: systems and elements

Signal reflector

3-corner retroreflective

359529, 428167, G02B 5124

Patent

active

059263148

ABSTRACT:
The present invention provides improved cube corner retroreflective articles which exhibit a wide range of retroreflective entrance angularity in at least one plane, and preferably in two or more planes. An article in accordance with the present invention includes a structured surface having at least one array of cube corner elements formed by three intersecting sets of substantially parallel grooves. Each cube corner element includes a base triangle bonded by one groove from each of the three intersecting groove sets, the base triangle being scalene.

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