Apparatus and process for preparation of migration imaging membe

Details Apparatus and process for preparation of migration imaging membe Apparatus and process for preparation of migration imaging membe

1995-03-30

1996-07-02

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Process of making radiation-sensitive product

118725, 118719, 427573, C23C 1400, C23C 1424

Patent

active

055321020

ABSTRACT:
Disclosed is an apparatus for evaporation of a vacuum evaporatable material onto a substrate, said apparatus comprising (a) a walled container for the vacuum evaporatable material having a plurality of apertures in a surface thereof, said apertures being configured so that the vacuum evaporatable material is uniformly deposited onto the substrate; and (b) a source of heat sufficient to effect evaporation of the vacuum evaporatable material from the container through the apertures onto the substrate, wherein the surface of the container having the plurality of apertures therein is maintained at a temperature equal to or greater than the temperature of the vacuum evaporatable material.

REFERENCES:
patent: 3598644 (1971-08-01), Gaffe et al.
patent: 4046565 (1977-09-01), Miller
patent: 4482622 (1984-11-01), Soden et al.
patent: 4854264 (1989-08-01), Noma et al.
patent: 4956670 (1990-09-01), Masuda et al.
patent: 5102756 (1992-04-01), Vincett et al.
patent: 5168543 (1992-12-01), Murray

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