Retroreflective cube corner elements comprising faces that are partially machined and partially non-machined

A process for making molds for retroreflective sheeting and like articles includes making a substrate having a structured surface of geometric structures such as cube corner elements. The structured surface is in one embodiment partially replicated from a previous generation structured surface, and...

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Bibliographische Detailangaben

Hauptverfasser:	BENSON, GERALD M, SMITH, KENNETH L
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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