Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1995-06-26
2000-06-27
Chen, Vivian
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428480, 428483, 428522, 428523, 428910, 359577, 359580, 359586, 359587, B32B 702, B32B 2708, B32B 2730, B32B 2736
Patent
active
06080467&
ABSTRACT:
Optical devices such as light pipes which incorporate multilayer optical films in which the refractive indices of two adjacent layers in the thickness direction are substantially matched or are small relative to the difference in refractive indices of said two adjacent layers in an given in-plane direction which is at least 0.05.
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Cobb, Jr. Sanford
Ouderkirk Andrew J.
Weber Michael F.
Wortman David L.
3M Innovative Properties Company
Burtis John A.
Chen Vivian
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