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Photo-sensitive Epoxy
May 2005
Nitto Inc.
OSAKA, Japan, May 26 -- Nitto Denko Corp. has developed a photosensitive epoxy material that can be used for optical waveguides. The new material is highly transparent in the near-infrared range, and is flexible, so that optical circuits can be created by patterning using ultraviolet exposure -- replacing conventional dry-etching processes.

The company said the material can be used to create embedded optical waveguides. The light-transmitting part (core) pattern surface is flat with a rectangular cross-section. The wrapping around the core (clad) can also be embedded, allowing construction of a 100-micrometer film on the substrate.

For more information, visit:; e-mail: Kazu Hosokawa,

Nitto Americas Inc.
48500 Fremont Blvd.
Fremont, CA 4538 USA
Phone: (510) 445-5450


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