专利名称：Thermal imaging materials
发明人：Whitcomb, David R. c/o Minnesota Mining and,Bjork, Jon A. c/o Minnesota Mining and 申请号：EP87306938.9
申请日：19870805
公开号：EP0256773A2
公开日：
19880224
专利内容由知识产权出版社提供
摘要：Thermographic materials are colorless when unexposed, but provide an intense dark image when thermally addressed. The materials comprise white ferric organophosphate, ferric organophosphinate, or ferric organophosphonate in a clear binder with a colorless catechol or polycatechol held in said binder in solid solution. The choice of substituents on the catechol nucleus can give a change in the color of the thermal image together and provide good near infrared absorption. Use of mixed catechols can give achromatic black images. These combinations of materials show high stability at ambient temperatures.
申请人：MINNESOTA MINING AND MANUFACTURING COMPANY
地址：3M Center, P.O. Box 33427 St. Paul, Minnesota 55133-3427 US
xposed国籍：US
代理机构：Baillie, Iain Cameron
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