Method for making a color filter

Details Method for making a color filter Method for making a color filter

1997-02-21

1997-12-16

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

With plural means for supplying or applying different fluids...

134147, 134902, B08B 304

Patent

active

056973918

ABSTRACT:
Method and apparatus for making a color filer are described in which substrates are subjected to uniform wet treatment without damaging the substrates. A liquid developer 3 is placed in a developing vessel 2 provided with a bubbler 4 at the bottom of the vessel 2. A plurality of glass substrates are vertically immersed in the developer 3 and bubbles 7 are generated by feeding N.sub.2 gas to the bubbler 4. The glass substrates 6 are developed while circulating the developer 3 by the bubbling.

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