Micro lens array and a method of manufacturing a replication...

Details Micro lens array and a method of manufacturing a replication... Micro lens array and a method of manufacturing a replication...

2006-09-19

2006-09-19

Kang, Juliana (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

Reexamination Certificate

active

07110643

ABSTRACT:
The micro-lens array in which a plural of convexly-protruded micro-lens are closely arranged two-dimensionally and a plural of convex sub-lenses having a curvature-radius smaller than that of the micro-lens are protrusively formed on the surface of each micro-lens has a large view angle, since Dsav/D is in a range from 0.1 to 0.3 where D is the micro-lens bottom face width obtained by halving the summation of the maximum and the minimum width which are measured along the line passing through the center of the bottom face of the micro-lens; Dsis the sub-lens bottom face width obtained by halving the summation of the maximum and the minimum width which are measured along the line passing through the center of the bottom face of the sub-lens; and Dsavis the average sub-lens bottom face width obtained by averaging a plural of the sub-lens bottom face widths Ds.

REFERENCES:
patent: 6014232 (2000-01-01), Clarke
patent: 6867927 (2005-03-01), Bourdelais et al.
patent: 05-313252 (1993-11-01), None
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patent: 07-063904 (1995-03-01), None
patent: 10-062604 (1998-03-01), None
patent: 2001-305315 (2001-10-01), None

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