Application of Lock-in Thermography for backside failure localization using solid immersion lenses

被引:0
|
作者
Schmidt, Christian [1 ]
Grosse, Christian [1 ]
Altmann, Frank [1 ]
Schulz, Juergen
Seibt, Alexander
机构
[1] Fraunhofer Inst Mech Mat, Halle, Germany
关键词
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中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper the application of solid immersion lenses (SIL) in combination with Lock-in Thermography will be demonstrated for backside defect localization. The paper will give an introduction into Lock-in Thermography technique and presents a new developed easy-to-use holding system to adapt SIL for high resolution thermal imaging. It will be shown that defect localization can be applied from the backside of the chip up to a silicon thickness of 250 mu m using the same SIL. The relationship between the bulk silicon thickness and the resulting optical parameters was investigated.
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页码:378 / 383
页数:6
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