Display Medium and Displaying Method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 9, 2008
app pub date -
Mar 30, 2005
filing date -
Mar 31, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Provided are an indicating material having excellent facility and high security and an indicating method for recording and indicating information on this indicating material. The indicating material has a structure that an ultraviolet light-screening layer having visible light-transmitting ability is laminated on a recording layer having visible light-transmitting ability and composed of a recording layer-forming material containing a color-developing component that becomes a color-developed state by the action of ultraviolet light. The indicating method is an indicating method for recording and indicating information on the above-described indicating material, comprising condensing a laser beam having a wavelength of a visible range or longer on the recording layer in the indicating material to irradiate the recording layer with the laser beam and recording and indicating the information by two-photon absorption.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully