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GB2428866B - Improvements in x-ray tubes - Google Patents

Improvements in x-ray tubes

Info

Publication number
GB2428866B
GB2428866B GB0515534A GB0515534A GB2428866B GB 2428866 B GB2428866 B GB 2428866B GB 0515534 A GB0515534 A GB 0515534A GB 0515534 A GB0515534 A GB 0515534A GB 2428866 B GB2428866 B GB 2428866B
Authority
GB
United Kingdom
Prior art keywords
ray tubes
tubes
ray
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 - Fee Related
Application number
GB0515534A
Other versions
GB0515534D0 (en
GB2428866A (en
Inventor
William Thomas Luke Walker
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.)
Dage Precision Industries Ltd
Original Assignee
Dage Precision 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 Dage Precision Industries Ltd filed Critical Dage Precision Industries Ltd
Priority to GB0515534A priority Critical patent/GB2428866B/en
Publication of GB0515534D0 publication Critical patent/GB0515534D0/en
Priority to PCT/GB2006/002702 priority patent/WO2007012817A1/en
Publication of GB2428866A publication Critical patent/GB2428866A/en
Application granted granted Critical
Publication of GB2428866B publication Critical patent/GB2428866B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/147—Spot size control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • 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
    • H01J35/112—Non-rotating anodes
    • H01J35/116—Transmissive anodes
GB0515534A 2005-07-28 2005-07-28 Improvements in x-ray tubes Expired - Fee Related GB2428866B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0515534A GB2428866B (en) 2005-07-28 2005-07-28 Improvements in x-ray tubes
PCT/GB2006/002702 WO2007012817A1 (en) 2005-07-28 2006-07-20 Improvements in x-ray tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0515534A GB2428866B (en) 2005-07-28 2005-07-28 Improvements in x-ray tubes

Publications (3)

Publication Number Publication Date
GB0515534D0 GB0515534D0 (en) 2005-09-07
GB2428866A GB2428866A (en) 2007-02-07
GB2428866B true GB2428866B (en) 2007-11-14

Family

ID=34983656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0515534A Expired - Fee Related GB2428866B (en) 2005-07-28 2005-07-28 Improvements in x-ray tubes

Country Status (2)

Country Link
GB (1) GB2428866B (en)
WO (1) WO2007012817A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8831179B2 (en) 2011-04-21 2014-09-09 Carl Zeiss X-ray Microscopy, Inc. X-ray source with selective beam repositioning

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59123147A (en) * 1982-12-28 1984-07-16 Jeol Ltd Electron lens
US5111494A (en) * 1990-08-28 1992-05-05 North American Philips Corporation Magnet for use in a drift tube of an x-ray tube
US5629526A (en) * 1993-09-28 1997-05-13 Nikon Corporation Electro-magnetic lens, charged particle beam transferring apparatus, and method for manufacturing electro-magnetic lens
US5729022A (en) * 1996-09-26 1998-03-17 Etec Systems, Inc. Composite concentric-gap magnetic lens and deflector with conical pole pieces

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06325719A (en) * 1993-05-14 1994-11-25 Nikon Corp Charged particle beam device
JP3999399B2 (en) * 1999-03-29 2007-10-31 株式会社島津製作所 X-ray tube
JP4772212B2 (en) * 2001-05-31 2011-09-14 浜松ホトニクス株式会社 X-ray generator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59123147A (en) * 1982-12-28 1984-07-16 Jeol Ltd Electron lens
US5111494A (en) * 1990-08-28 1992-05-05 North American Philips Corporation Magnet for use in a drift tube of an x-ray tube
US5629526A (en) * 1993-09-28 1997-05-13 Nikon Corporation Electro-magnetic lens, charged particle beam transferring apparatus, and method for manufacturing electro-magnetic lens
US5729022A (en) * 1996-09-26 1998-03-17 Etec Systems, Inc. Composite concentric-gap magnetic lens and deflector with conical pole pieces

Also Published As

Publication number Publication date
WO2007012817A1 (en) 2007-02-01
GB0515534D0 (en) 2005-09-07
GB2428866A (en) 2007-02-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220728