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US08598714B2 Semiconductor device comprising through hole vias having a stress relaxation mechanism 有权
半导体装置包括具有应力松弛机构的通孔

Semiconductor device comprising through hole vias having a stress relaxation mechanism
Abstract:
In a semiconductor device, through hole vias or through silicon vias (TSV) may be formed so as to include an efficient stress relaxation mechanism, for instance provided on the basis of a stress relaxation layer, in order to reduce or compensate for stress forces caused by a pronounced change in volume of the conductive fill materials of the through hole vias. In this manner, the high risk of creating cracks and delamination events in conventional semiconductor devices may be significantly reduced.
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