GB581545A - Improvements in seals between tungsten and boro-silicate glass - Google Patents

Improvements in seals between tungsten and boro-silicate glass

Info

Publication number
GB581545A
GB581545A GB1733344A GB1733344A GB581545A GB 581545 A GB581545 A GB 581545A GB 1733344 A GB1733344 A GB 1733344A GB 1733344 A GB1733344 A GB 1733344A GB 581545 A GB581545 A GB 581545A
Authority
GB
United Kingdom
Prior art keywords
wire
tungsten
tungstate
boro
bronze
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
GB1733344A
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.)
MALCOLM CUTHBERT NOKES
Original Assignee
MALCOLM CUTHBERT NOKES
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 MALCOLM CUTHBERT NOKES filed Critical MALCOLM CUTHBERT NOKES
Priority to GB1733344A priority Critical patent/GB581545A/en
Publication of GB581545A publication Critical patent/GB581545A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/04—Joining glass to metal by means of an interlayer
    • C03C27/042—Joining glass to metal by means of an interlayer consisting of a combination of materials selected from glass, glass-ceramic or ceramic material with metals, metal oxides or metal salts
    • C03C27/046—Joining glass to metal by means of an interlayer consisting of a combination of materials selected from glass, glass-ceramic or ceramic material with metals, metal oxides or metal salts of metals, metal oxides or metal salts only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

581,545. Metal-to-glass seals. NOKES, M. C. Sept. 11, 1944, No. 17333. [Class 36] Tungsten, in the form of wire, foil, or plate, is sealed to boro-silicate or like hard glass by means of tungsten-bronze formed as a coating on the wire &c. the glass being then softened to form a hermetic seal with the bronze. The wire &c. is first surface-oxidized and then dipped into molten sodium tungstate; or the heated wire &c. dipped into the powdered tungstate. The tungstate bead is fused to wet the required portion of the wire &c. and then heated further to react with the underlying oxide to produce a tungsten bronze of the required colour. Excess of the sodium tungstate is removed by immersion in boiling water.
GB1733344A 1944-09-11 1944-09-11 Improvements in seals between tungsten and boro-silicate glass Expired GB581545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1733344A GB581545A (en) 1944-09-11 1944-09-11 Improvements in seals between tungsten and boro-silicate glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1733344A GB581545A (en) 1944-09-11 1944-09-11 Improvements in seals between tungsten and boro-silicate glass

Publications (1)

Publication Number Publication Date
GB581545A true GB581545A (en) 1946-10-16

Family

ID=10093325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1733344A Expired GB581545A (en) 1944-09-11 1944-09-11 Improvements in seals between tungsten and boro-silicate glass

Country Status (1)

Country Link
GB (1) GB581545A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780561A (en) * 1952-08-01 1957-02-05 Eitel Mccullough Inc Method of making metalized ceramic structures for vacuum tube envelopes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780561A (en) * 1952-08-01 1957-02-05 Eitel Mccullough Inc Method of making metalized ceramic structures for vacuum tube envelopes

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