GB808161A - Improvements in or relating to uniting metals to vitreous materials - Google Patents

Improvements in or relating to uniting metals to vitreous materials

Info

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
Application number
GB114957A
Inventor
Wilfred Ernest Whaites
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB114957A priority Critical patent/GB808161A/en
Publication of GB808161A publication Critical patent/GB808161A/en
Expired legal-status Critical Current

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.
GB114957A 1957-01-11 1957-01-11 Improvements in or relating to uniting metals to vitreous materials Expired GB808161A (en)

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)

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