Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate
Reexamination Certificate
2007-04-30
2010-10-12
Vinh, Lan (Department: 1713)
Coating processes
Direct application of electrical, magnetic, wave, or...
Pretreatment of substrate or post-treatment of coated substrate
C385S123000, C385S128000, C385S130000, C385S143000, C385S146000
Reexamination Certificate
active
07811640
ABSTRACT:
This invention describes methods for fabricating polymer optical waveguides, and polymer optical waveguides themselves wherein at least one of the optical layers is deposited by a two-stage deposition process. In particular, the two-stage deposition process comprises spinning as the second step. Preferably, the polymer optical waveguide comprises a three layer structure comprising a lower cladding layer, a light guiding core layer and an upper cladding layer, supported on a substrate. The invention has particular application to the volume production of polymer optical waveguides on large area substrates.
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Atkins Graham Roy
Charters Robert Bruce
Kukulj Dax
Maxwell Ian Andrew
Angadi Maki A
Miller Matthias & Hull
RPO Pty Limited
Vinh Lan
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