Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2006-05-23
2006-05-23
Healy, Brian M. (Department: 2883)
Optical waveguides
With optical coupler
Input/output coupler
C385S129000, C385S130000, C385S131000, C385S014000, C385S141000, C427S162000, C264S001240, C264S001380, C264S001700
Reexamination Certificate
active
07050674
ABSTRACT:
Disclosed is a fabrication method of a polymeric optic waveguide grating, the method including: forming a core layer of a polymeric material on a substrate; irradiating an ultraviolet ray to the core layer to pre-cure a surface of the core layer; pressing the pre-cured core layer at a predetermined pressure by using a master having a grating pattern; irradiating the ultraviolet ray in a state that the master is pressed, to fully cure the core layer; and separating the master from the fully cured core layer to form a grating pattern on the core layer.
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patent: 4657780 (1987-04-01), Pettigrew et al.
patent: 5369722 (1994-11-01), Heming et al.
patent: 5480687 (1996-01-01), Heming et al.
patent: 5861113 (1999-01-01), Choquette et al.
patent: 6245412 (2001-06-01), Choquette et al.
Lee Ki Dong
Lee Sung Eun
Healy Brian M.
LG Electronics Inc.
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