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What do Cu/Cp.p and Cu/Ct.P on the drawing mean?

January 17, 2024

Cu/: It may be a copper matrix or a copper-plated surface.
Ct:Chemical treatment
Cp: Chrome plated
p: Passivation

Cu/Ct.P = Copper Chemical treatment Passivation Copper chemical passivation treatment.


The total meaning of Cu/Cp.p maybe:

1. Copper plating first, then chromium plating, and then passivation treatment.
2. Plate copper first and then passivate it with chromic acid.