Photochemical Milling
Last Updated: 06/01/2012
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Photochemical
milling also known as photochemical machining or photo etching is the process of
fabricating sheet metal components using etchants or a photo resist, to machine
away selected areas by corrosion. Photochemical milling started in the 1960s and
was an offshoot of the printed circuit board industry. Photochemical milling is
commonly used to produce highly complex components, with fine detail and
accuracy. Photochemical milling can be used on practically any commercially
available alloy or metal. Photochemical milling is used in a wide range of
industrial applications, some of which are heat sinks, metal gaskets, flexible
heating elements, pressure membranes, springs and electrical contacts.