Apparatus and processes for manufacture of discharge tubes

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

H01J2209/00Apparatus and processes for manufacture of discharge tubes

H01J2209/01Generalised techniques H01J2209/012Coating H01J2209/015Machines therefor H01J2209/017Cleaning H01J2209/02Manufacture of cathodes H01J2209/022Cold cathodes H01J2209/0223Field emission cathodes H01J2209/0226Sharpening or resharpening of emitting point or edge H01J2209/18Assembling together the component parts of the discharge tube H01J2209/185Machines therefor H01J2209/236Manufacture of magnetic deflecting devices H01J2209/2363Coils H01J2209/2366Machines therefor H01J2209/26Sealing parts of the vessel to provide a vacuum enclosure H01J2209/261Apparatus used for sealing vessels H01J2209/262means for applying sealing materials H01J2209/264Materials for sealing vessels H01J2209/265Surfaces for sealing vessels H01J2209/267shaped surfaces or flanges H01J2209/268treated surfaces and surface preparations H01J2209/38Control of maintenance of pressure in the vessel H01J2209/383Vacuum pumps H01J2209/385Gettering H01J2209/3855Getter materials H01J2209/387Gas filling H01J2209/389Degassing H01J2209/3893by a discharge H01J2209/3896by heating H01J2209/46Handling of tube components during manufacture H01J2209/463Identifying or selecting component pieces H01J2209/466Marking