Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1988-08-03
1990-07-17
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430495, 430541, 430567, 430617, 430618, 430962, 423328, G03C 102
Patent
active
049421190
ABSTRACT:
Silver sodalites with cages containing anions such as oxalate, formate, halide, carbonate, sulphide etc. have silver compositions entrapped or encapsulated in the cages of a microporous sodalite lattice. The cages of the sodalite lattice have very small but very even sizes e.g. 6.6 A diameters, so that the silver compositions trapped therein are also of very small but very even sizes. The silver compositions may be sensitive to the application of light, and may be sensitive to thermal or pressure stimuli. Thus, images produced by, for example, irradiation of the materials can be of very high resolution. The silver sodalite materials are prepared by a silver ion exchange process, from synthetic sodium sodalites.
REFERENCES:
patent: 2678885 (1954-05-01), Porter
patent: 3013985 (1961-12-01), Breck et al.
patent: 3382039 (1968-05-01), Calmon et al.
patent: 3508867 (1970-04-01), Frilette et al.
Williams et al., "J. American Ceramic Society", vol. 52, No. 3, 1969, pp. 139-145.
Godber John
Ozin Geoffrey A.
Stein Andreas
Baxter Janet C.
Michl Paul R.
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