電でん子しレンズ

noun

electron lens

Technical term in electron optics; a device that uses electric or magnetic fields to focus electron beams, analogous to an optical lens.

• 電でん子し顕けん微び鏡きょうでは電でん子しレンズを使つかって電でん子し線せんを集しゅう束そくさせる。

  In an electron microscope, electron lenses are used to focus the electron beam.