Hello, everyone,
I am looking for 4inch copper wafer with good smoothness.
Does anyone know where I can buy these copper wafers?
Please give me some information if you have it. Thanks a lot !

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Best Regards,

郑瑞麟

Ruilin Zheng

Address:
Pen-Tung Sah MEMS Research Center,
Xiamen University, Xiamen,361005,
P.R.China
Mobile:+86 130 5587 5133