G - Physics – 02 – B
Patent
G - Physics
02
B
88/113.18
G02B 5/124 (2006.01)
Patent
CA 1292903
WIDE-ANGLE-REFLECTIVE CUBE-CORNER RETROREFLECTIVE SHEETING Abstract Cube-corner retroreflector capable of reflecting light over a wide range of incidence angles. The reflector, which in some embodiments may be in the form of flexible sheeting, comprises 1) a transparent body con- figured on its rear surface with at least one set of three mutually perpendicular surfaces providing cube-corner retroreflection of light beamed against the front of the body, and 2) a specularly reflective surface which is shaped as a negative of the aforementioned set of three mutually perpendicular surfaces and which is interfitted iwth a closely spaced from that set of rear surfaces, with the adjacent and matching portions of the specularly reflective and rear surfaces being substantially parallel to one another.
538248
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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