GB1234717A - Method of manufacturing channel plates - Google Patents

Method of manufacturing channel plates

Info

Publication number
GB1234717A
GB1234717A GB4477269A GB4477269A GB1234717A GB 1234717 A GB1234717 A GB 1234717A GB 4477269 A GB4477269 A GB 4477269A GB 4477269 A GB4477269 A GB 4477269A GB 1234717 A GB1234717 A GB 1234717A
Authority
GB
United Kingdom
Prior art keywords
tubes
bundle
tube
pressure
millibars
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
GB4477269A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1234717A publication Critical patent/GB1234717A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H01J43/24—Dynodes having potential gradient along their surfaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/047—Re-forming tubes or rods by drawing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms

Abstract

1,234,717. Hollow glass fibres. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 10 Sept., 1969 [12 Sept., 1968], No. 44772/69. Heading C1M. A method of manufacturing a channel plate for use in a channel multiplier which includes the steps of heating a glass tube or hollow glass fibre, drawing it downwardly, cutting the resultant tubes into lengths, assembling and fusing the lengths to form a bundle, and slicing the bundle to obtain channel plates, which method is characterized in that during the drawing process a fluid is fed into the bores of the tube at such a pressure that the wall thickness of the tubes decreases gradually during the draw. The method is carried out by drawing a tube 1 through an electric furnace 2 by means of a roller 4 while a gas such as nitrogen or air is fed from a cylinder 5. The gas pressure may be from 2 to 8 millibars and preferably 5 millibars. When the tubes are assembled they may be sealed at both ends and heated so that the increase of pressure of air within the tubes causes a reduction in the sizes of the interstices between the tubes. In a modification the tubes may be coated with a low melting point glaze, heating a bundle of tubes in a jig so that adjacent tubes adhere, and subjecting the bundle to a second draw to form a multi-fibre.
GB4477269A 1968-09-12 1969-09-10 Method of manufacturing channel plates Expired GB1234717A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR166017 1968-09-12

Publications (1)

Publication Number Publication Date
GB1234717A true GB1234717A (en) 1971-06-09

Family

ID=8654501

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4477269A Expired GB1234717A (en) 1968-09-12 1969-09-10 Method of manufacturing channel plates

Country Status (6)

Country Link
BE (1) BE738665A (en)
DE (1) DE1945576A1 (en)
FR (1) FR1587909A (en)
GB (1) GB1234717A (en)
NL (1) NL6913661A (en)
SE (1) SE347840B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02296740A (en) * 1989-04-27 1990-12-07 Heraeus Quarzglas Gmbh Method for making tube with silica glass or high silica content glass
WO2005088667A2 (en) * 2004-03-09 2005-09-22 Lynn Judd B Miniature tubular gas discharge lamp and method of manufacture
US8611716B2 (en) 2009-09-30 2013-12-17 Corning Incorporated Channeled substrates for integrated optical devices employing optical fibers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208092A1 (en) * 1981-03-10 1982-11-18 Diveno Kapillar-Technik GmbH, 7710 Donaueschingen PRODUCTION OF CAPILLARIES

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02296740A (en) * 1989-04-27 1990-12-07 Heraeus Quarzglas Gmbh Method for making tube with silica glass or high silica content glass
WO2005088667A2 (en) * 2004-03-09 2005-09-22 Lynn Judd B Miniature tubular gas discharge lamp and method of manufacture
WO2005088667A3 (en) * 2004-03-09 2007-02-01 Judd B Lynn Miniature tubular gas discharge lamp and method of manufacture
US8611716B2 (en) 2009-09-30 2013-12-17 Corning Incorporated Channeled substrates for integrated optical devices employing optical fibers

Also Published As

Publication number Publication date
BE738665A (en) 1970-03-10
DE1945576A1 (en) 1970-04-23
FR1587909A (en) 1970-04-03
NL6913661A (en) 1970-03-16
SE347840B (en) 1972-08-14

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