Developer agent for positive type photosensitive compound

Details Developer agent for positive type photosensitive compound Developer agent for positive type photosensitive compound

2007-01-02

2007-01-02

Le, Hoa Van (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Finishing or perfecting composition or product

C430S270100, C396S605000

Reexamination Certificate

active

10788322

ABSTRACT:
There is provided a developer agent for a positive type photosensitive compound having a near infrared wave length region laser sensitive characteristic in which a photosensitive portion of the compound exposed and reacted with a laser of the near infrared wavelength region is enabled to be dissolved in the developer liquid. This developer agent contains a) water; b) either one of or two kinds or more of tetramethyl ammonium hydroxide, benzyl triethyl ammonium hydroxide, ortho silicate soda, etc., applied as either organic or non-organic alkali capable of becoming a major material; and c) potassium pyrophosphate, tripolyphosphate soda, etc., applied as liquid agent having dampening action for preventing a reduction in pH value.

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