Method of shadow mask manufacture

Details Method of shadow mask manufacture Method of shadow mask manufacture

1982-08-19

1984-10-23

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

72363, 228191, 445 49, H01J 2907, H01J 914

Patent

active

044785895

ABSTRACT:
A method of making a plurality of masks for a mask-focusing color picture tube is described. A plurality of apertured flat masks are aligned and stacked. The stacked flat masks are contacted by magnetic force and welded together. The welded flat masks are pressed into a predetermined curved shape at the same time. Next, the welded portions are cut off to separate each mask.

REFERENCES:
patent: 2971117 (1961-02-01), Law
patent: 3156976 (1964-11-01), Whiting
patent: 3191291 (1965-06-01), Maier
patent: 3309493 (1967-03-01), Vitale
patent: 3368098 (1968-02-01), Demmy
patent: 3398309 (1968-08-01), Kaplan
patent: 3574013 (1971-04-01), Frantzen
patent: 3864797 (1975-02-01), Banks
patent: 4112563 (1978-09-01), Van Esdonk

Affiliated with

Also associated with

Rating

Method of shadow mask manufacture does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of shadow mask manufacture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of shadow mask manufacture will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1596650