发明名称 |
PROCESS CONDITION SENSING DEVICE AND METHOD FOR PLASMA CHAMBER |
摘要 |
A sensing device for measuring a plasma process parameter in a plasma chamber for processing workpieces may include a substrate with one or more sensor embedded in the substrate. The substrate can have a surface made of substantially the same material as workpieces that are plasma processed in the plasma chamber. Each sensor can include a collector portion made of substantially the same material as the substrate surface. The collector portion includes a surface that is level with the surface of the substrate. Sensor electronics are embedded into the substrate and coupled to the collector portion. When the substrate surface is exposed to a plasma one or more signals resulting from the plasma can be measured with the sensor(s). |
申请公布号 |
US2015020972(A1) |
申请公布日期 |
2015.01.22 |
申请号 |
US201414505289 |
申请日期 |
2014.10.02 |
申请人 |
KLA-Tencor Corporation |
发明人 |
Jensen Earl;Sun Mei |
分类号 |
H01J37/32;H01L21/66;H01L21/67 |
主分类号 |
H01J37/32 |
代理机构 |
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代理人 |
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主权项 |
1. A sensing device for measuring plasma process parameters in a plasma chamber for processing workpieces, the sensing device comprising:
a substrate made of a material that is substantially the same material as workpieces that are processed by a plasma in the plasma chamber; one or more sensors embedded in the substrate, wherein each sensor comprises a collector portion made of substantially the same material as the substrate, wherein the collector portion includes a surface that is coplanar with a top surface of the substrate; and sensor electronics embedded into the substrate and coupled to the collector portion. |
地址 |
Milpitas CA US |