US PATENT SUBCLASS 264 / 1.24
.~ Optical fiber, waveguide, or preform

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

1.1  DF  OPTICAL ARTICLE SHAPING OR TREATING {11}
1.24.~ Optical fiber, waveguide, or preform {4}
1.25  DF  .~.~> Forming connector or coupler (e.g., fiber link, etc.) {1}
1.27  DF  .~.~> Utilizing plasma, electric, electromagnetic, particle, or wave energy
1.28  DF  .~.~> Forming fiber bundle or cable (e.g., covering, etc.)
1.29  DF  .~.~> Extruding (i.e., die)

DEFINITION

Classification: 264/1.24

Optical fiber, waveguide, or preform:

(under subclass 1.1) Processes directed to shaping or

treating an optical fiber, waveguide, or preform.

(1) Note. Optical fibers are considered light guidance systems that are generally cylindrical in shape. The fibers rely upon modal transmission to transmit light along their axial length.

(2) Note. A waveguide is considered a thin dielectric guide film of high refractive index formed adjacent to a substrate or support region of lower refractive index. The thin-film relies upon modal transmission to transmit light along its length.