Photoetch chemical milling process

Tuesday, 17 August, 2010 | Supplied by: Photoetch Industries Ltd

A chemical milling process is being used to manufacture RF and EMI shielding in long or short runs, enabling a reduced development and delivery times.

Manufacturing tolerances to 0.1 mm can be achieved while part numbers and lettering can be etched into one side for identification.

Metals used are nickel silver, brass, or tin-plated copper that solder well. Some extremely complex shapes can be made, with any kind of internal perforations, the overall shape is limited by what can be made from sheet. Sub-assemblies can be soldered together or fabricated in a press. Text can be screen-printed.

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