Monitoring device with processing solution reservoirs

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...

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354304, 430208, 430497, 430498, 430499, G03C 148, G03C 140, G03C 516, G03B 4116

Patent

active

043662250

ABSTRACT:
This invention relates to a device for monitoring exposure to influences, such as ionizing radiation, adverse to the human body. The device includes a support which carries material sensitive to the influence. The material is demarcated into a plurality of discrete zones each of which is processable individually by processing composition stored in a respective reservoir. Each reservoir is dischargeable individually to process its related zone. The sensitive material produces an indication visible externally of the device if the exposure to radiation has been greater than a predetermined threshold. The zones are processable at will in single succession.

REFERENCES:
patent: 2659013 (1953-11-01), Davis et al.
patent: 2852691 (1958-09-01), Land
patent: 2917631 (1959-12-01), Hyzer
patent: 4288533 (1981-09-01), Poshkus

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