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Home › Semiconductor chip and semiconductor device including a copper pillar and an intermediate layer and a concave portion formed at one end surface of the copper pillar

Semiconductor chip and semiconductor device including a copper pillar and an intermediate layer and a concave portion formed at one end surface of the copper pillar

US Patent 11961816 · Granted Apr 16, 2024

Estimated economic value: $521,000 ⓘ

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