Method for storage of retrievable information dispersion imaging

Details Method for storage of retrievable information dispersion imaging Method for storage of retrievable information dispersion imaging

1976-11-26

1978-07-25

Pianalto, Bernard D.

Coating processes

Electrical product produced

Welding electrode

427180, 427271, 427282, 427372R, 96 67, G03g 1300

Patent

active

041030443

ABSTRACT:
Imaging material comprising a layer which comprises deformed particulate organic polymeric material such as flattened spheres, which has a memory for its original particulate shape and which is capable of recovering its original particulate shape upon the application of energy above a certain threshold. Examples of suitable particulate material include polystyrene, as it is obtained by emulsion or perl-polymerization in the presence of crosslinking agents, or polyethylene in particulate form, which has been crosslinked by the application of high energy radiation.

REFERENCES:
patent: 2234994 (1941-03-01), Vernon et al.
patent: 3400186 (1968-09-01), Wiley
patent: 3487132 (1969-12-01), Thorne
patent: 3530441 (1970-09-01), Ousihinsky

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