Tech-Etch, Plymouth, MA, provides photo chemical etching of tungsten. Tungsten, which is extremely dense, is used in medical applications such as grids that collimate and attenuate stray x-rays in CT scanners, and ID tags used in implanted medical devices. Tech-Etch also produces component parts made from several other specialty metals, including titanium, niobium, elgiloy, MP35N, and nitinol. Parts range in thickness from 0.0005 in. and up. Designs can be proved in preproduction quantities without having to commit to tooling. Laminating, plating, heat treating, and assembly are available in house.

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