Vacuum-tight seals between ceramic and aluminium components, eva

Details Vacuum-tight seals between ceramic and aluminium components, eva Vacuum-tight seals between ceramic and aluminium components, eva

1974-04-29

1977-04-19

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

With envelope

220 21R, 220 23R, 228120, 228122, 228903, 313477R, 313480, H01J 500

Patent

active

040190803

ABSTRACT:
An evacuated envelope having at least one ceramic component and one aluminum component sealed to one another along a common interface. A metallized layer is on said ceramic component along said interface and a fused solder having an Al-Si eutectic structure with 89% aluminum and 11% silicon is along said interface.

REFERENCES:
patent: 2703661 (1955-03-01), Taylor
patent: 2707850 (1955-05-01), Dalton et al.
patent: 2782952 (1957-02-01), Dalton et al.
patent: 3171771 (1965-03-01), Badger et al.
patent: 3385463 (1968-05-01), Lange
patent: 3451579 (1969-06-01), Bishop
patent: 3742117 (1973-06-01), Levand, Jr. et al.

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