Photography – Fluid-treating apparatus – Fluid application to one side only of photographic medium
Patent
1998-07-24
2000-06-20
Rutledge, D.
Photography
Fluid-treating apparatus
Fluid application to one side only of photographic medium
396611, 396627, 118 52, G03D 500
Patent
active
060769793
ABSTRACT:
A developing solution dispensing nozzle starts scanning at a scanning start position P1. After the developing solution dispensing nozzle reaches an edge of a substrate, the developing solution dispensing nozzle scans over the substrate while uniformly dispensing a developing solution to a surface of the substrate. The developing solution dispensing nozzle thereafter moves off the substrate from the other edge of the substrate. To uniformly supply the developing solution to a substrate, where a flow rate of the developing solution is set constant, a scanning speed is set large during an initial scanning section over a substrate, and the scanning speed is set slow during the remaining section. Meanwhile, where the scanning speed of the developing solution dispensing nozzle is set constant, the flow rate of the developing solution is gradually increased during the initial scanning section, and the flow rate is set constant during the remaining section.
REFERENCES:
patent: 5392989 (1995-02-01), Hurtig
patent: 5489337 (1996-02-01), Nomura et al.
Mimasaka Masahiro
Takamura Yukihiro
Tanaka Akiko
Dainippon Screen Mfg. Co,. Ltd.
Rutledge D.
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