GB650237A - Improvements in and relating to electron target structures - Google Patents

Improvements in and relating to electron target structures

Info

Publication number
GB650237A
GB650237A GB27159/48A GB2715948A GB650237A GB 650237 A GB650237 A GB 650237A GB 27159/48 A GB27159/48 A GB 27159/48A GB 2715948 A GB2715948 A GB 2715948A GB 650237 A GB650237 A GB 650237A
Authority
GB
United Kingdom
Prior art keywords
electron
metal
pressure
relating
successive applications
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
GB27159/48A
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.)
NEWTON VICTOR Ltd
Original Assignee
NEWTON VICTOR 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 NEWTON VICTOR Ltd filed Critical NEWTON VICTOR Ltd
Publication of GB650237A publication Critical patent/GB650237A/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

  • Physical Vapour Deposition (AREA)
  • X-Ray Techniques (AREA)

Abstract

650,237. Altering physical structure; making electron targets. NEWTON VICTOR, Ltd. Oct. 19, 1948, No. 27159. Convention date, Nov. 4, 1947. Drawings to, Specification. [Classes 83 (ii) and 83 (iv)] [Also in Group XL (a)] Metal for use as an electron target for an X-ray generator or other electron discharge device is given a coarse grained structure with grains of elongated form by means of successive applications of pressure, such as by rolling, to reduce its cross-sectional area and between the successive applications of pressure, heating the metal to such a temperature and for such a time as to produce complete or partial recrystallization: The target material, such as worked tungsten, has an elongated grain structure of 1000-2000 grains per square millimetre.
GB27159/48A 1947-11-04 1948-10-19 Improvements in and relating to electron target structures Expired GB650237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US783879A US2521663A (en) 1947-11-04 1947-11-04 Electron target and means for making the same

Publications (1)

Publication Number Publication Date
GB650237A true GB650237A (en) 1951-02-21

Family

ID=25130682

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27159/48A Expired GB650237A (en) 1947-11-04 1948-10-19 Improvements in and relating to electron target structures

Country Status (4)

Country Link
US (1) US2521663A (en)
FR (1) FR974403A (en)
GB (1) GB650237A (en)
NL (2) NL90795C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1127501B (en) * 1959-02-26 1962-04-12 Philips Nv Process for the production of rotating anode disks for X-ray tubes

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819991A (en) * 1952-08-30 1958-01-14 Rca Corp Carburized thoriated tungsten electrode and method of enhancing its emissivity
US3158513A (en) * 1959-02-26 1964-11-24 Philips Corp Method of manufacturing disc-shaped anodes for rotary-anode X-ray tubes
US3160779A (en) * 1962-04-30 1964-12-08 Gen Electric Single crystal X-ray tube target
US3622824A (en) * 1969-06-30 1971-11-23 Picker Corp Composite x-ray tube target
DE69514221T2 (en) 1994-03-28 2000-05-11 Hitachi Medical Corp., Tokio/Tokyo X-RAY TUBE AND ANODENTARGET THEREFOR
DE19510047C2 (en) * 1995-03-20 1998-11-05 Siemens Ag Anode for an X-ray tube
US20070169854A1 (en) 2004-08-10 2007-07-26 Sanbo Shindo Kogyo Kabushiki Kaisha Copper-based alloy casting in which grains are refined
KR101050638B1 (en) 2005-09-30 2011-07-19 미쓰비시 신도 가부시키가이샤 Molten solidified material
US11043352B1 (en) * 2019-12-20 2021-06-22 Varex Imaging Corporation Aligned grain structure targets, systems, and methods of forming

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1826514A (en) * 1926-11-26 1931-10-06 Westinghouse Lamp Co Tungsten and method of manufacturing the same
US2332044A (en) * 1942-06-24 1943-10-19 Westinghouse Electric & Mfg Co Brake for rotary anode x-ray tubes
US2430800A (en) * 1943-10-02 1947-11-11 Gen Electric X Ray Corp Rotating anode construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1127501B (en) * 1959-02-26 1962-04-12 Philips Nv Process for the production of rotating anode disks for X-ray tubes

Also Published As

Publication number Publication date
NL142818B (en)
NL90795C (en)
US2521663A (en) 1950-09-05
FR974403A (en) 1951-02-22

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