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What's PVD?

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  • What's PVD?

    CAn someone explain what's PVD?

  • #2
    It's a method of doing DLC (Diamond Like Coating).

    Basically, it means the dark (greyish black coating on SS) found in some models...most recently PAm 26k but most famous on the 4, 9 and 195.

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    • #3
      SO wat does this coating does?

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      • #4
        Is it greyish colour type coating onto the SS material which make it looks like titanium colour, and also protects the SS from degrading?

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        • #5
          Wondering - does it scratch easily though?

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          • #6
            PVD (physical vapor deposition) is one of the process to coat the material on the surface. There are many other methods to coat a thin film on surfaces, such as CVD (chemical vapor deposition), Ion Beam Deposition (IBD) etc. For easier understanding, imagine those processes are the way you want to paint your house. You can use brush, or spray or splash to stick the paint on the wall.

            Using paint as analogy, DLC is one type of 'paint' with bonded carbon atoms. This 'paint' can be applied by using various methods, and PVD is one of them. Basically those carbon atoms in the DLC coatings will be bombarded to the 'wall surface'. The wall surface must have carbon atoms that react/bond with the carbon atoms of DLC material. The bonding is so strong, create a surface hardness like diamonds. Hence the name diamonds come from.

            The other type of 'paint', which people often simply call it "PVD Coating", is different type of 'paint', usually they are Carbides, Nitrides, Borides....It's coated using PVD method, but it lacks the carbon atom bonding like DLC. Hence the 'paint' may peel off easier than DLC.

            Hope this simplified explanation helps
            [SIZE="2"][U][B]Movement collection:[/B][/U]
            [U]German:[/U] Junghans 687, Durowe 7420
            [U]Russian:[/U] Poljot 3133, Poljot 2612, Vostok
            [U]Chinese:[/U] Seagull
            [U]Japanese:[/U] Seiko(s)
            [U]Swiss:[/U] ETA(s)+Valjoux+Unitas(s), Zenith(s), JLC, Rolex, Lemania(s), IWC[/SIZE]

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            • #7
              it really does help me in understanding more about this!
              Thanks Hary!

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