Sealing material

Details Sealing material Sealing material

2007-05-08

2007-05-08

Lorengo, J. A. (Department: 1755)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S404000, C501S017000, C501S020000, C501S024000

Reexamination Certificate

active

10673939

ABSTRACT:
A sealing material for sealing an envelope of an electron tube. The sealing material comprises 0.01˜2.0 wt % of fine particle selected from the group consisting of SiO2, Al2O3and ZrO2having a particle diameter of 0.001˜0.1 μm, P2O5—SnO type low melting glass and thermal expansion-controlling low melting ceramics.

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