NASA NTRS · 19720000455
Radiation-induced nickel deposits
Abstract
Low cost, photographic process uses surface coating of nickel hypophosphite sensitive to X-rays and electron radiation. Exposed coated surface can be amplified to produce permanent visible image of wide tonal gradation in grays. Coating may be sodium, ammonium, or lithium hypophosphite or sodium phosphite, with nickel supplied in developer.
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Marsik, S. J., Philipp, W. H.. 1972-12-01. Radiation-induced nickel deposits. https://ntrs.nasa.gov/citations/19720000455
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