| 发明名称 |
Irreversible thin film display with clearing agent |
| 摘要 |
Display information is revealed from behind a metal film that can be cleared upon effective contact with a clearing agent. The metal film, while opaque, is generally less than 1000 Angstroms thick and can be cleared by exposure to innocuous agents including food or other household products.
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| 申请公布号 |
US6270122(B1) |
申请公布日期 |
2001.08.07 |
| 申请号 |
US19990426225 |
申请日期 |
1999.10.22 |
| 申请人 |
TIMER TECHNOLOGIES, LLC |
发明人 |
SHADLE MARK A.;GOOD DAVID M.;VERSCHUUR GERRIT L.;MITCHELL, JR. CHAUNCEY T. |
| 分类号 |
B41M7/00;B44C1/14;B44C3/00;B44F1/12;(IPC1-7):G04B17/00;G01K3/00 |
主分类号 |
B41M7/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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