Copper-Alum Composite Material
Copper-aluminum composite material is a laminated bimetallic material where pure copper and aluminum alloy are tightly bonded at the atomic level via metallurgical composite processes. It is not merely laminated or glued together, and a stable diffusion layer forms at the bonding interface, preventing delamination during bending, stamping and heat treatment.
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Aluminum Cover Sheet & Wood Fiber &Phenolic Back-up BoardBack-up Board
Aluminum Cover Sheet & Wood Fiber Back-up Board & Phenolic Back-up Board for PCB Drilling
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Zincate process
Zincate Process for Aluminum Workpieces The zincate process is a critical pre-plating undercoating procedure exclusively developed for aluminum alloy electroplating. Aluminum surfaces oxidize extremely readily and cannot be electroplated directly. Through displacement reaction in zincate solution, an ultra-thin zinc film is deposited on aluminum to act as an intermediate barrier layer, significantly improving the adhesion of subsequent nickel and copper coatings.
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