US PATENT SUBCLASS 65 / 395
.~.~ Sol-gel or liquid phase route utilized

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

376  DF  PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS {18}
385  DF  .~ Process of manufacturing optical fibers, waveguides, or preforms thereof {29}
395.~.~ Sol-gel or liquid phase route utilized {1}
396  DF  .~.~.~> Sonic or ultrasonic energy utilized (e.g., homogenizing, dispersing, etc.)

DEFINITION

Classification: 65/395

Sol-gel or liquid phase route utilized:

(under subclass 385) Processes wherein a sol-gel route or liquid phase route procedure is used during any stage of manufacturing or treating the optical fiber, waveguide, or preform.

(1) Note. These processes generally include compositions which have been prepared by a method other than melting, including at least one step in which the glass forming ingredients are in a gel or sol state or involves the use of liquids such as water at relatively low temperatures.