GB766769A - Improvements in or relating to devices for vaporising substances by means of high frequency currents - Google Patents

Improvements in or relating to devices for vaporising substances by means of high frequency currents

Info

Publication number
GB766769A
GB766769A GB6458/55A GB645855A GB766769A GB 766769 A GB766769 A GB 766769A GB 6458/55 A GB6458/55 A GB 6458/55A GB 645855 A GB645855 A GB 645855A GB 766769 A GB766769 A GB 766769A
Authority
GB
United Kingdom
Prior art keywords
cylinder
vaporising
relating
substances
devices
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
GB6458/55A
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 Electrical Industries Ltd
Original Assignee
Philips Electrical 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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB766769A publication Critical patent/GB766769A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/186—Getter supports

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

766,769. Coating by vapour deposition. PHILIPS ELECTRICAL INDUSTRIES, Ltd. March 4, 1955 [March 8, 1954], No. 6458/55. Class 82(2) [Also in Group XL(a)] A substance to be vaporized, such as getter material 4, is supported in a wound conductor 3 which forms an electrical connection across a slit 2 in an otherwise surrounding conductive cylinder 1. The winding 3 is at the centre of the cylinder preferably at right angles to its axis, and can thus be fired by inducing h.f. currents in the cylinder. A mica baffl 5 can be placed against one end of the cylinder.
GB6458/55A 1954-03-08 1955-03-04 Improvements in or relating to devices for vaporising substances by means of high frequency currents Expired GB766769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL766769X 1954-03-08

Publications (1)

Publication Number Publication Date
GB766769A true GB766769A (en) 1957-01-23

Family

ID=19827643

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6458/55A Expired GB766769A (en) 1954-03-08 1955-03-04 Improvements in or relating to devices for vaporising substances by means of high frequency currents

Country Status (1)

Country Link
GB (1) GB766769A (en)

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