Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonreactant particles of defined size
Patent
1996-07-18
1999-02-09
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonreactant particles of defined size
503201, 503214, 503226, B41M 536
Patent
active
058694226
ABSTRACT:
A reversible thermosensitive recording medium having a supporting substrate and a reversible thermosensitive recording layer formed on the supporting substrate, having the ratio, of two values of light intensity scattered by the recording layer at large angles and small angles, of more than or equal to two, the ratio of the two numbers of particles of low-molecular-weight organic material with the large size to small size, of more than or equal to 2%, and the ratio of the two numbers of the particles with the small size to the total particles, of more than or equal to 10%, is provided which has improved display quality and excellent durability for repeated recording and erasing cycles over an extended period of time.
REFERENCES:
patent: 5258350 (1993-11-01), Inoue et al.
Amano Tetsuya
Hotta Yoshihiko
Kazumi Suzuki
Kutami Atsushi
Morohoshi Kunichika
Hess Bruce H.
Ricoh & Company, Ltd.
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