Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Spatial relationship specified between color-former and...
Patent
1988-09-01
1990-04-10
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Spatial relationship specified between color-former and...
428212, 428213, 4283105, 4283184, 420913, 503200, B41M 518
Patent
active
049161113
ABSTRACT:
A thermosensitive recording material comprising a support, an intermediate layer including a foamed portion with minute voids on the support, and a thermosensitive coloring layer formed on the intermediate layer is disclosed, which is particularly improved in such a manner that the voidage of the upper portion of the intermediate layer close to the thermosensitive coloring layer is smaller than the voidage of the lower portion of the intermediate layer close to the support, or the voidage of the intermediate layer is increased from the upper portion thereof towards the lower portion thereof.
Kawasaki Kanijiro
Sakai Hisashi
Uematu Kenji
Yaguchi Hiroshi
Ricoh & Company, Ltd.
Schwartz Pamela R.
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