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:
Oct. 07, 2003
Filed:
Dec. 15, 2000
Applicant:
Inventors:
Hiroshi Gotoh, Fuji, JP;
Chiaki Uematsu, Fuji, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/40 ;
U.S. Cl.
CPC ...
B41M 5/40 ;
Abstract
A roll-shaped thermosensitive recording material having a thermosensitive recording layer, which includes as main components an electron donating coloring agent, an electron accepting color developer and a binder resin and which is formed overlying a substrate, wherein the roll-shaped thermosensitive recording material has a variation (R) of thickness of in the lateral direction of not greater than 3 &mgr;m. Alternatively, the roll-shaped thermosensitive recording material has a difference in thickness between the left side and the right side in the lateral direction of not greater than 0.7 &mgr;m.