GB808161A - Improvements in or relating to uniting metals to vitreous materials - Google Patents
Improvements in or relating to uniting metals to vitreous materialsInfo
- Publication number
- GB808161A GB808161A GB114957A GB114957A GB808161A GB 808161 A GB808161 A GB 808161A GB 114957 A GB114957 A GB 114957A GB 114957 A GB114957 A GB 114957A GB 808161 A GB808161 A GB 808161A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- cap
- glass
- copper
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/32—Seals for leading-in conductors
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
808,161. Glass-to-metal seals. STANDARD TELEPHONES & CABLES Ltd. Jan. 11, 1957, No. 1149/57. Class 36. [Also in Group XL (a)] A cylindrical metallic terminal, such as cap 8, is sealed into an aperture in a glass valve envelope 13 by securing an annular metal disc 9 about the cap 8, sealing a ring of glass 11, e.g. lead glass, around the edge of the disc to form a fork seal, and sealing this into a corresponding aperture in the envelope. The annular disc may be of nickel-iron alloy soldered by a copper-gold solder to the cap which may be copper-plated for use at radio frequencies. The disc also may be copperplated after the fork seal has been formed and both cap and disc may be borated to avoid over-oxidation. A recess 12 accommodates a plug 14 and connection 15 to the anode or other electrode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB114957A GB808161A (en) | 1957-01-11 | 1957-01-11 | Improvements in or relating to uniting metals to vitreous materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB114957A GB808161A (en) | 1957-01-11 | 1957-01-11 | Improvements in or relating to uniting metals to vitreous materials |
Publications (1)
Publication Number | Publication Date |
---|---|
GB808161A true GB808161A (en) | 1959-01-28 |
Family
ID=9717034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB114957A Expired GB808161A (en) | 1957-01-11 | 1957-01-11 | Improvements in or relating to uniting metals to vitreous materials |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB808161A (en) |
-
1957
- 1957-01-11 GB GB114957A patent/GB808161A/en not_active Expired
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