Sublimation-type thermal image transfer recording medium

U.S. Patent Number: 5286706

Abstract: A sublimation-type thermal image transfer recording medium is composed of a support and a plurality of ink layers, such as yellow, magenta and cyan ink layers, and a black ink layer if necessary, formed on the support side by side, or on different separate supports, each ink layer containing an organic binder agent and a sublimable dye dispersed in the organic binder agent, with the gram-absorptivity coefficient of the sublimable dye being 150,000 or more.

Inventors: Mochizuki; Hidehiro (Numazu, JP), Shimada; Masaru (Shizuoka, JP), Morohoshi; Naoya (Numazu, JP), Uemura; Hiroyuki (Numazu, JP), Nogawa; Chiharu (Numazu, JP), Ariga; Yutaka (Fuji, JP)

Assignee: Ricoh Company, Ltd. (Tokyo, JP)

Application Number: 07/696,716

Issued: 1994-02-15

Expired: 2006-02-15

Classes: 503/227 ; 428/423.1; 428/913; 428/914

Field of search: 8/471 428/195,13,914,423.1 503/227

Click the image above to view patent images at uspto.gov within a frame.

Click here for the fulltext page on uspto.gov within a frame.