.~ Process of manufacturing optical fibers, waveguides, or preforms thereof {29}
400
.~.~ Ion exchange utilized
DEFINITION
Classification: 65/400
Ion exchange utilized:
(under subclass 385) Processes which include a step of exchanging selected ions of the optical fiber, waveguide, or preform at any stage during manufacture or treatment.
(1) Note. In this art processes using ion exchange are generally for the purpose of altering the refractive index of an optical fiber, waveguide, or preform.
