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    • Curing using a UVA light shone through a negative mask
    Rights: Denis Burchill Published 29 July 2008 Size: 720 KB Referencing Hub media

    UVA light shone through a negative mask artwork is able to harden exposed parts of a thin light-sensitive film that covers the copper surface of a printed circuit board.

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      ARTICLE

      UV and curing

      Electromagnetic radiation can act both as a series of waves and as a stream of particles that are called photons. Shorter wavelength photons have greater energy than longer wavelength ones. UV ...

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