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:
Jun. 29, 1999
Filed:
May. 14, 1997
Applicant:
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ; B41M / ;
U.S. Cl.
CPC ...
503200 ; 427152 ; 503201 ; 503226 ;
Abstract
A reversible thermosensitive recording material has a support, and a metal-deposited light reflection layer and a reversible thermosensitive recording layer successively formed on the support, with the reversible thermosensitive recording layer being capable of showing such transparency or color tone that is reversibly changeable depending upon the temperature thereof, and having a thermal pressure level difference of 40% or less, and a thermal pressure level difference change ratio of 70% or less, and the metal-deposited light reflection layer having a corroded area ratio of at most 2% after allowed to stand at 40.degree. C. and 95%RH for 96 hours.