Electron tube including aluminum seal ring

Details Electron tube including aluminum seal ring Electron tube including aluminum seal ring

1996-01-22

1997-01-14

Horabik, Michael

Electric lamp and discharge devices

Photosensitive

313532, 313103R, H01J 4002

Patent

active

055943012

ABSTRACT:
An electron tube, such as, a photomultiplier, includes an aluminum seal ring 4 disposed between a Kovar cylinder 1, and a quartz faceplate 5 having a photocathode 6. The electron tube further includes a borosilicate stem plate 2, an anode 8, and a dynode 7. The aluminum seal ring 4 provides for increased air tightness, reliability, quantum efficiency, and gain.

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