Device for burning in light-sensitive layers in the production o

Details Device for burning in light-sensitive layers in the production o Device for burning in light-sensitive layers in the production o

1991-02-13

1992-11-24

Anderson, Bruce C.

Radiant energy

With infrared or thermal pattern recording

G03G 516

Patent

active

051665239

ABSTRACT:
A device for burning in positive-working light-sensitive layers containing diazo compounds in the production of printing forms comprises a radiation source whose radiation comprises an infrared fraction, a fraction in the visible region, and an ultraviolet fraction. In the device, a radiation absorber is provided which covers a heat reservoir. The back of the printing form is passed flat over the radiation absorber, which is maintained at a substantially constant temperatuer by the heat reservoir.

REFERENCES:
patent: 2651702 (1953-09-01), Burke et al.
patent: 3046121 (1962-07-01), Schmidt
patent: 3589261 (1971-06-01), Krikelis
patent: 3694245 (1972-09-01), Anderson et al.
patent: 4265999 (1981-05-01), Schell
patent: 4334755 (1982-06-01), Harrell et al.
patent: 4487827 (1984-12-01), Berghaeuser
patent: 4698504 (1987-10-01), Pelt
patent: 5045697 (1991-09-01), Schneider

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