The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 1983
Filed:
Jan. 13, 1982
Akira Igarashi, Fujinomiya, JP;
Sukenori Nakamura, Fujinomiya, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A heat-sensitive recording paper is disclosed having improved heat-transmission efficiency between a recording element and the heat-sensitive recording paper. The disclosed heat-sensitive recording paper includes a support base paper having an aqueous-sensitive developable layer coated thereon. In the base paper used, the value obtained by dividing Stockigt sizing degree by a square number of meter areal weight is 3.times.10.sup.-3 (S.m.sup.4 /g.sup.2) or more and Bekk smoothness of 90 seconds or more. The aqueous heat-sensitive developable layer coated on the surface of the base support includes a dispersion of particles having a volume average particle size of 8 .mu.m or less, said layer being coated on the surface of the base support to a thickness of 5 to 10 .mu.m. The unique base paper disclosed can be obtained by increasing the beating degree of the pulp, using a strong sizing agent or increasing the amount of sizing agent, or surface sizing or coating the heat-sensitive developable layer, or any combination of these methods.