Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or...
Patent
1991-04-25
1993-01-12
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
427152, 4285375, 503226, B41M 540
Patent
active
051790645
ABSTRACT:
A heat-sensitive recording material which has a high recording density, ensures recorded images of high quality and allows printing on the reverse side. A base paper for the recording material is subjected to multilayer paper making by means of a paper machine having a multilayer head box. The surface layer of the base paper has a bulk density of below 0.85 g/cu. cm and a printing smoothness of above 15% (pressure: 20 kg/sq. cm) as measured by means of a printing smoothness tester.
REFERENCES:
patent: 4466007 (1984-08-01), Nakamura et al.
Nakamura Masato
Yonese Naoki
Kanzaki Paper Mfg. Co. Ltd.
Schwartz Pamela R.
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