Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Method of use – kit – or combined with marking instrument or...
Patent
1995-02-28
1997-09-02
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Method of use, kit, or combined with marking instrument or...
503209, B41M 534
Patent
active
056631154
ABSTRACT:
A thermal recording medium comprising a color former, a developer and a reversible material which can effect a reversible change in at lease a part of a composition system where thermal energies with two different values are supplied or where two different heat histories are provided, and a phase separation controller serves to change phase separation rate between the color former or the developer and the reversible material in the vicinity of its melting point, if necessary.
REFERENCES:
patent: 4375492 (1983-03-01), Fox
Fujioka Sawako
Miyamoto Hirohisa
Naito Katsuyuki
Nishizawa Hideyuki
Nomaki Tatsuo
Hess Bruce H.
Kabushiki Kaisha Toshiba
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