A new technology that the tin-nickel-copper alloydeposition can be electroplated in the citrate acid system bath was introduced.
研究了一种柠檬酸盐体系电镀锡镍铜合金新工艺。
2
Electroplating: use the principle of electrolysis, the metal and alloy parts deposition in the surface, form even, density, good adhesion of the metal layer process.
电镀：利用电解原理，使金属或合金沉积在制件表面，形成均匀、致密、结合力良好的金属层的过程。
3
Using vacuum gas phase deposition, diamond surface is coated with strong carbide metal or alloy membrane.