Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Optical fiber – waveguide – or preform
Reexamination Certificate
2009-06-10
2011-11-08
Gupta, Yogendra (Department: 1744)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Optical fiber, waveguide, or preform
C264S327000, C264S320000, C249S079000, C425S384000
Reexamination Certificate
active
08052901
ABSTRACT:
A light guide plate mold is configured for manufacturing a light guide plate having a number of microstructures. The light guide plate mold includes a substrate and a number of heating members. The substrate defines a number of grooves therein. The heating members are respectively received in the grooves. Each heating member has a height less than a depth of the corresponding groove. The grooves and the heating members cooperatively define a number of receiving spaces for forming the microstructures of the light guide plate.
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patent: 2006/0268578 (2006-11-01), Zhu et al.
patent: 2008/0000373 (2008-01-01), Petrucci-Samija et al.
patent: 2008/0093764 (2008-04-01), Ito et al.
Altis Law Group, Inc.
Gupta Yogendra
Hon Hai Precision Industry Co. Ltd.
Le Ninh
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