Photo-etched parts made from materials such as nitinol, elgiloy, titanium, and niobium find extensive use in the medical industry. Tech-Etch in Plymouth, Mass., specializes in the photo-chemical etching of tungsten. Because tungsten is extremely dense, 71% heavier than lead, it often serves in medical applications, including grids used to collimate and attenuate stray x-rays in CT scanners, as well as ID tags used in implanted medical devices. Tungsten is also well known for retaining its strength at high temperatures. For that reason it is used in applications such as filaments in vacuum and x-ray tubes, plus heating elements and rocket engine nozzles.

Tungsten grids used in CT scanners and ID tags for implanted medical devices.
More information is available in a brochure titled Precision Engineered Parts Capabilities.
Tech-Etch, Inc., 45 Aldrin Road, Plymouth, MA 02360, www.tech-etch.com/photoetch
Filed Under: ALL INDUSTRIES, Medical, Mechanical
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