GB616490A - Improvements in disc anodes for x-ray tubes - Google Patents

Improvements in disc anodes for x-ray tubes

Info

Publication number
GB616490A
GB616490A GB26864/46A GB2686446A GB616490A GB 616490 A GB616490 A GB 616490A GB 26864/46 A GB26864/46 A GB 26864/46A GB 2686446 A GB2686446 A GB 2686446A GB 616490 A GB616490 A GB 616490A
Authority
GB
United Kingdom
Prior art keywords
disc
ray tubes
anode
tungsten
mms
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
GB26864/46A
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 Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB616490A publication Critical patent/GB616490A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08—Anodes; Anti cathodes
    • H01J35/10—Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes

Landscapes

  • X-Ray Techniques (AREA)

Abstract

616,490. X-ray tubes. PHILIPS LAMPS, Ltd. Sept. 6, 1946, No. 26864. Convention date, Nov. 25, 1942. [Class 39 (i)] A disc-shaped anode for X-ray tubes, preferably for rotary anode tubes, comprises two or more discs each made from a metal or alloy having a melting point above 2000‹ C., the surface of impact for the electrons consisting of tungsten. The anode may comprise a tungsten disc 1 mounted on a disc 2 of a metal which is more ductile or which has a higher specfic heat, such as molybdenum. The tungstem may be 0.1-0.3 mms. thick and the molybdenum at least 5 mms. The direction of the fibres may be different in each disc. In another form, Fig. 1 (not shown), the anode comprises two equal discs of tungsten.
GB26864/46A 1942-11-25 1946-09-06 Improvements in disc anodes for x-ray tubes Expired GB616490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL242444X 1942-11-25

Publications (1)

Publication Number Publication Date
GB616490A true GB616490A (en) 1949-01-21

Family

ID=19780645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26864/46A Expired GB616490A (en) 1942-11-25 1946-09-06 Improvements in disc anodes for x-ray tubes

Country Status (5)

Country Link
BE (1) BE453302A (en)
CH (1) CH242444A (en)
DE (1) DE919307C (en)
FR (1) FR900075A (en)
GB (1) GB616490A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093493B (en) * 1958-08-21 1960-11-24 Philips Nv Disc-shaped anode for rotating anode x-ray tubes
DE1178523B (en) * 1962-07-04 1964-09-24 Patra Patent Treuhand X-ray tube rotating anode, in particular a plate-shaped rotating anode
US3646380A (en) * 1968-08-17 1972-02-29 Philips Corp Rotating-anode x-ray tube with a metal envelope and a frustoconical anode

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1270192B (en) * 1960-07-30 1968-06-12 Siemens Ag Rotating anode composite plate for X-ray tubes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE316554C (en) * 1915-06-24
US1394145A (en) * 1919-11-15 1921-10-18 Gen Electric Thermionic discharge apparatus
DE472661C (en) * 1920-12-21 1929-03-04 Westinghouse Lamp Co Process for the production of anticathodes
BE362763A (en) * 1928-07-16
DE596751C (en) * 1931-01-13 1934-05-22 Siemens Reiniger Werke Akt Ges Anticathode for X-ray tubes with a relatively large focal point or for those X-ray tubes in which the focal point is moved relative to the anticathode surface
DE603896C (en) * 1932-05-30 1934-10-11 C H F Mueller Akt Ges Roentgen tubes, the anticathode of which consists of a fixed, good heat-conducting part, around which the part hit by the electrons rotates when it rotates
US2030561A (en) * 1933-03-28 1936-02-11 Westinghouse Lamp Co X-ray tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093493B (en) * 1958-08-21 1960-11-24 Philips Nv Disc-shaped anode for rotating anode x-ray tubes
DE1178523B (en) * 1962-07-04 1964-09-24 Patra Patent Treuhand X-ray tube rotating anode, in particular a plate-shaped rotating anode
US3646380A (en) * 1968-08-17 1972-02-29 Philips Corp Rotating-anode x-ray tube with a metal envelope and a frustoconical anode

Also Published As

Publication number Publication date
CH242444A (en) 1946-05-15
BE453302A (en)
DE919307C (en) 1954-10-18
FR900075A (en) 1945-06-19

Similar Documents

Publication Publication Date Title
US2282097A (en) Nonemitting electrode structure
GB556046A (en) Improvements relating to electron guns such as are used in cathode ray tubes
US3660053A (en) Platinum-containing x-ray target
US3539859A (en) X-ray generator tube with graphite rotating anode
GB1247112A (en) An x-ray tube
GB495846A (en) Improvements in and relating to electric discharge devices
GB616490A (en) Improvements in disc anodes for x-ray tubes
US3790838A (en) X-ray tube target
US3836803A (en) Rotary anode and an x-ray tube provided therewith
GB574227A (en) Improvements in and relating to x-ray apparatus
GB344692A (en) Improvements in or relating to x-ray tubes
US3731128A (en) X-ray tube with rotary anodes
GB554828A (en) Improvements in or relating to electric discharge tubes having a directional electron beam
US1953813A (en) X-ray tube
US2379397A (en) Anode structure
US2482053A (en) Anode construction
GB592532A (en) Improvements in or relating to electron discharge devices
GB561837A (en) Improvements in electron discharge devices particularly suitable for x-ray apparatus
US1684263A (en) Hot-cathode device
GB1219042A (en) Target electrodes for x-ray tubes
GB226208A (en) Improvements in and relating to x-ray apparatus
US2489080A (en) X-ray tube comprising a disk-shaped rotary anode
GB1169029A (en) Anode Plate for X-Ray Tubes
GB494651A (en) Improvements in electron discharge devices used as voltage indicators
GB1311321A (en) X-ray tubes