Method of filling a suspended particle display

Details Method of filling a suspended particle display Method of filling a suspended particle display

1991-09-24

1993-09-07

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Processes

Gas or variation of gaseous condition in receiver

141 7, 141 59, B65B 3104

Patent

active

052419959

ABSTRACT:
A method and apparatus are disclosed for controllably filling a confined optical cavity primarily with a volatile fluid suspension where a controlled slight pressure is used to force the fluid into the cavity and is followed by adjusting the equilibrium with a slight negative pressure or possibly atmospheric pressure applied at an exit port to the cavity. This method and apparatus is particularly suited to the filling of light valves which are configured with parallel plates positioned by very small distances between one another to create the cavity which is to be filled with the volatile fluid suspension.

REFERENCES:
patent: 4135789 (1979-01-01), Hall
patent: 4615362 (1986-10-01), Hartman et al.
patent: 4922972 (1990-05-01), Watanabe et al.
patent: 5070806 (1991-12-01), Coster
patent: 5137484 (1992-08-01), Bohannon

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