Two microwave tubes produced by TETD were registered in Essential Historical Materials for Science and Technology.

Two microwave tubes produced by TETD were registered in Essential Historical Materials for Science and Technology.

• 508.6 MHz, 1.2 MW CW KLYSTRON (E3732, T62)
  　　― World’s Most Stable and Highest-Power Continuous Wave Klystron ― (joint development with KEK)
• Traveling Wave Tube for broadcasting (1W50/M44803)
  　　― The Electron Tube that Brought Television Transmission to Japan ―

Essential Historical Materials for Science and Technology, Center of the History of Japanese Industrial Technology
URL：http://sts.kahaku.go.jp/english/material/index.html