[KongchangAI]
Unverified50% confidenceFactExact time

硅片制造需要将沙子中的二氧化硅提纯到99.9999999%的纯度

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026

Sources

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/53959
API
curl https://kongchang.com/api/v1/knowledge/claims/53959
MCP
get_claim(id=53959)