Thermoreversible recording medium, apparatus utilizing the same and method for fabricating the same
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United States of America Patent
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Nov 16, 1993
Issued Date -
N/A
app pub date -
Apr 10, 1992
filing date -
Nov 17, 1989
priority date (Note) -
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status (Latency Note)
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Abstract
An image recording device which permits repeated thermoreversible recording and erasure of an image, which is useful for creating an image for storage, display or printing of the image or other information. The recording device has a display medium, a recording means to form an image on the display medium, and an erasure means to erase the image formed on the medium. The display medium of the image recording device may have a support member with a recording layer provided on the support member. The display medium has a transparency which is dependent upon its thermal history, and consists essentially of a matrix material of a copolymer of styrene and butadiene, and a saturated carboxylic acid of 10 to 24 carbon atoms. The weight ratio of the matrix material to saturated carboxylic acid in the display medium is from 1:1 to 20:1.
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