TECH-ETCH Photo chemical etching of tungsten (71% heavier than lead) is used in medical applications, which include 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, making it suitable in applications such as filaments in vacuum and x-ray tubes, plus heating elements and rocket engine nozzles. Other medical-based component parts include titanium, niobium, elgiloy, MP35N and nitinol, ranging in thickness from .0005″ and up.
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