The Difference Between PVD Vacuum Ion Plating And Traditional Plating
May 06, 2022| The difference between PVD vacuum ion plating and traditional plating
Conventional water plating | PVD vacuum ion plating technology | |
methods
| In the atmosphere, using electrolytes as a medium, is a high pollution process | Under a vacuum environment, plasma as the media belongs to the environmental protection process |
characteristic | Good uniformity, shiny film surface. But only in the way of coating, covering the surface without dense force at all | Film quality is tight, uniformity depends on the structure of the rotating fixture |
hardness | The hardness is about HV900 | Hardness can reach more than HV1800 |
thickness | The thickness is about 10 times more than the coating | The thickness of micron level (μm), excellent coating |
density | Hot expansion and cold contraction easily fall off | The diamond indenter with a surface width of 0.2 square mm can withstand the vertical weight of more than 10KG without peeling |
Vacuum coating thickness belongs to the micron level, 1μm is equivalent to one-tenth of the traditional electroplating, so after coating operation, will not affect the accuracy of the workpiece; The traditional plating method is to form a layer of electroplating coating in a way of coating, and there is no high density at all.
film shape difference between PVD vacuum ion plating and electroplating
Traditional electroplating Process diagram PVD coating process diagram
Generally, the wet coating is made by coating a thin film on the surface, regardless of the original shape of the substrate, the surface of the film will tend to be flat. PVD coating will form a coating layer on top of the average shape of the substrate, according to the height of the substrate shape is different, the height of the coating shape is in accordance with the original state of the substrate.
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