Image display device having an ion pump with reduced leakage

Details Image display device having an ion pump with reduced leakage Image display device having an ion pump with reduced leakage

2005-08-17

2009-12-22

Williams, Joseph L (Department: 2889)

Electric lamp and discharge devices

With evacuating pump

C313S553000, C313S558000, C313S161000, C417S048000, C417S049000, C417S050000, C417S051000

Reexamination Certificate

active

07635943

ABSTRACT:
An image display apparatus is provided with a vacuum chamber consisting of an electron source substrate and an image display substrate, and an ion pump which is attached to an electron-emitting substrate or the image display substrate and exhausts air from the vacuum chamber by the action of a magnet, wherein the magnet is attached and fixed to the substrate to which the ion pump has been attached. Thereby, the image display apparatus prevents the magnet from applying an excessive force to the ion pump by its weight, and acquires a stable structure without causing a vacuum leak.

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