Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1983-01-14
1985-01-15
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430271, 430945, 346 76L, 3461351, 428432, 428446, 428698, G03C 1495, G03C 180
Patent
active
044938870
ABSTRACT:
Optical recording element comprising a transparent supporting plate which on one side has successively a recording layer of preferably a ferrite, an optional transparent intermediate layer and a reflecting optical structure of reflection areas which are situated alternately at a high level and at a lower level and which can be read optically.
REFERENCES:
patent: 4268840 (1981-05-01), Schank et al.
patent: 4387381 (1983-06-01), Bell
patent: 4403231 (1983-09-01), Ando et al.
patent: 4423427 (1983-12-01), Kaiser
Chida et al., IEEE Transactions on Magnetics, vol. Mag-13, No. 3, (May 1977), pp. 982-988.
Martens Jan W. D.
Peeters Winfried L.
Ponjee Johannes J.
Dees Jos,e G.
Downey Mary F.
Spain Norman N.
U.S. Philips Corporation
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