发明名称 |
Microchip partly or entirely surrounded by opaque sheating. |
摘要 |
The microchip described is characterized in that a light-sensitive element is fitted at a point which light can reach only if the sheathing or parts of it are removed and/or destroyed by use not in accordance with the design specifications. |
申请公布号 |
WO9726727(A3) |
申请公布日期 |
1997.09.18 |
申请号 |
WO1997DE00048 |
申请日期 |
1997.01.13 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT;GRUBER, MARTIN |
发明人 |
GRUBER, MARTIN |
分类号 |
G06K19/073;H01L23/58;H04L9/10 |
主分类号 |
G06K19/073 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|