4 August 2010Manufacturing / Production Technology, Hardware & Services
Tech-Etch has a range of MicroEtch screens made from stainless steel, which it manufactures using photoetching technology.
Photoetching enables designers to specify a straight hole or a tapered hole, which facilitates liquid filtration and back flow cleaning. Hole sizes range from 0,076 mm and up.
Unlike stamping, photoetching yields a burr-free product, resulting in cleaner, more efficient screens with greater material integrity. These high-quality screens feature a tighter tolerance on hole sizes and greater dimensional stability than woven wire mesh. This makes them well suited for applications requiring frequent cleaning or in devices where there is mechanical contact. Unlike woven wire mesh screens, the fixed photoetched openings will not change through use.
Typical applications of MicroEtch screens are filters used in the medical market, hydraulic valve screens, fuel filters, laser light filters, extruding screens, as well as particle separation and sizing. Although these screens are primarily produced from stainless steel, other materials are available. Tech-Etch offers a standard line of screens with holes in a 60° or 90° pattern that are available with a maximum guaranteed perforated area of 457 x 533 mm. Other sizes and custom shapes are also available.
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