Method of forming an ultra-thin nonlinear optical film

Details Method of forming an ultra-thin nonlinear optical film Method of forming an ultra-thin nonlinear optical film

1989-05-26

1991-11-12

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

To degas or prevent gas entrapment

264 26, 264233, 264298, 264334, B29D 701

Patent

active

050645900

ABSTRACT:
A method of producing a nonlinear optical film from a lyotropic liquid crystalline polymer by diluting the polymer with a dopant to form a concentrated mixture. The concentrated mixture is filtered in a high pressure filtration cell and vacuum degassed. Thin film are formed on plates and are coagulated in water. The thin films are supported on a microporous membrane support and then air dried.

REFERENCES:
patent: 4225700 (1980-09-01), Wolfe et al.
patent: 4711532 (1987-12-01), Choe
patent: 4746199 (1988-05-01), Nicoud et al.
patent: 4775215 (1988-10-01), Teng et al.
patent: 4783151 (1988-11-01), Choe
patent: 4845150 (1989-07-01), Kovak et al.
patent: 4939235 (1990-07-01), Harvey et al.

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