Electron tube having linear members

Details Electron tube having linear members Electron tube having linear members

2007-02-13

2007-02-13

Roy, Sikha (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S496000, C313S497000, C313S272000, C313S422000, C313S274000, C313S277000, C313S456000

Reexamination Certificate

active

10737089

ABSTRACT:
A fluorescent display tube is disclosed. In the fluorescent display tube, linear members, such as, for example, wire grids and filament are sustained in a predetermined height, while both ends of each linear member are welded on a metal layer by ultrasonic. The fluorescent display tube includes a metal spacer for fixing the linear member and holding the linear members in an elevated position so that the dead space within the fluorescent display is reduced. The linear members are bonded on an aluminum thin films formed on the glass substrate111by way of the aluminum spacer. The aluminum spacer sustains the linear members in a predetermined height. Aluminum spacer acts as a member for fixing the linear member and as a height level holding member.

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