Tech-Etch specializes in the photo chemical etching of tungsten. Because tungsten is extremely dense, 71 percent heavier than lead, it is used 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.
Tech-Etch, Plymouth, Mass., which specializes in the etching, forming, heat treating and finishing of components made from metals with superior spring characteristics, offers prototypes delivered in 5 days.