Patent ID: 7635943
Filing Date: 2009-12-22
Classification: H01J

Abstract:
1. An image display apparatus comprising: a vacuum chamber comprising an electron source substrate having a plurality of electron-emitting devices arranged thereon, and an image forming substrate which is arranged so as to face the electron source substrate, and has a phosphor film and an anode; and an ion pump having an ion pump chamber, an anode and a cathode accommodated in the ion pump chamber, wherein the ion pump chamber is joined with frit glass to an aperture portion formed in the electron source substrate or the image forming substrate, a supporting member for supporting a holding portion is bonded with a bonding adhesive on a substrate to which the ion pump chamber is joined, so as to surround the ion pump chamber, and a magnet is attached to the holding portion on which the magnet is located outside the ion pump chamber, and wherein the holding portion and the magnet attached to the holding portion are detachable from said supporting member.