Vacuum envelope with spacer and image display apparatus

Details Vacuum envelope with spacer and image display apparatus Vacuum envelope with spacer and image display apparatus

2005-08-16

2005-08-16

Santiago, Mariceli (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

C445S025000

Reexamination Certificate

active

06929524

ABSTRACT:
There is provided a vacuum envelope having at least a first substrate, a second substrate opposed to the first substrate with a predetermined distance thereto, and plural spacers positioned between the first and second substrates. A ratio η is defined by S/A, in which A is the internal cross-sectional area of the vacuum envelope in a cross-section parallel to a plane of one substrate opposed to the other substrate and S is the total cross sectional area of the plural spacers on such cross section, and satisfies a relation 0.78%≦η≦7.8%.

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