TSV Cu reveal height and backside coplanarity: How should the next controls be designed?

Establish silicon-relative heights and same-location staged measurements before selecting etching or CMP from endpoint results.

TSVTSV revealCoplanarity

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Does measurement separate local Cu reveal height from full-wafer topography?
Can thinning, etching, and endpoints be compared by location?
What are downstream metallization / bonding targets and Cu / liner limits?

Reference sourcesNIST：TSV Reveal height and bump dimension metrology by the TSOM method ↗

Technical Q&A awaiting input

Does measurement separate local Cu reveal height from full-wafer topography?
Can thinning, etching, and endpoints be compared by location?
What are downstream metallization / bonding targets and Cu / liner limits?

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TSV Cu reveal height and backside coplanarity: How should the next controls be designed?

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