EP0168736A3 - Rotating anode with a surface coating for x-ray tubes - Google Patents

Rotating anode with a surface coating for x-ray tubes Download PDF

Info

Publication number
EP0168736A3
EP0168736A3 EP85108417A EP85108417A EP0168736A3 EP 0168736 A3 EP0168736 A3 EP 0168736A3 EP 85108417 A EP85108417 A EP 85108417A EP 85108417 A EP85108417 A EP 85108417A EP 0168736 A3 EP0168736 A3 EP 0168736A3
Authority
EP
European Patent Office
Prior art keywords
surface coating
ray tubes
rotating anode
anode
rotating
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.)
Granted
Application number
EP85108417A
Other languages
German (de)
Other versions
EP0168736A2 (en
EP0168736B1 (en
Inventor
Peter Dr. Rodhammer
Hubert Dr. Bildstein
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.)
Metallwerk Plansee GmbH
Original Assignee
Metallwerk Plansee GmbH
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 Metallwerk Plansee GmbH filed Critical Metallwerk Plansee GmbH
Publication of EP0168736A2 publication Critical patent/EP0168736A2/en
Publication of EP0168736A3 publication Critical patent/EP0168736A3/en
Application granted granted Critical
Publication of EP0168736B1 publication Critical patent/EP0168736B1/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08Anodes; Anti cathodes
    • H01J35/10Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes
    • H01J35/105Cooling of rotating anodes, e.g. heat emitting layers or structures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5806Cooling the drive system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • X-Ray Techniques (AREA)
EP85108417A 1984-07-16 1985-07-06 Rotating anode with a surface coating for x-ray tubes Expired EP0168736B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2287/84 1984-07-16
AT0228784A AT381805B (en) 1984-07-16 1984-07-16 X-RAY TURNING ANODE WITH SURFACE COATING

Publications (3)

Publication Number Publication Date
EP0168736A2 EP0168736A2 (en) 1986-01-22
EP0168736A3 true EP0168736A3 (en) 1987-11-19
EP0168736B1 EP0168736B1 (en) 1989-10-04

Family

ID=3531547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108417A Expired EP0168736B1 (en) 1984-07-16 1985-07-06 Rotating anode with a surface coating for x-ray tubes

Country Status (4)

Country Link
EP (1) EP0168736B1 (en)
JP (1) JPS6139352A (en)
AT (1) AT381805B (en)
DE (1) DE3573488D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0787082B2 (en) * 1987-07-24 1995-09-20 株式会社日立製作所 Rotating anode target for X-ray tube
AT699U1 (en) * 1993-07-19 1996-03-25 Gen Electric TURNING ANODE FOR AN X-RAY TUBE
US7672433B2 (en) * 2008-05-16 2010-03-02 General Electric Company Apparatus for increasing radiative heat transfer in an x-ray tube and method of making same
DE102008032995A1 (en) * 2008-07-14 2010-01-21 Siemens Aktiengesellschaft X-ray tube, has vacuum housing in which cathode and anode are arranged, where housing has inner wall that partially exhibits inertization, anode partially exhibits inertization and inertization comprises barrier layers
CN117174557B (en) * 2023-11-03 2024-01-09 上海超群检测科技股份有限公司 High-energy micro-focus X-ray tube

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037142A (en) * 1956-03-15 1962-05-29 Radiologie Cie Gle X-ray generator tubes
FR1371880A (en) * 1963-07-19 1964-09-11 Thomson Houston Comp Francaise High efficiency x-ray tube
US4227112A (en) * 1978-11-20 1980-10-07 The Machlett Laboratories, Inc. Gradated target for X-ray tubes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037142A (en) * 1956-03-15 1962-05-29 Radiologie Cie Gle X-ray generator tubes
FR1371880A (en) * 1963-07-19 1964-09-11 Thomson Houston Comp Francaise High efficiency x-ray tube
US4227112A (en) * 1978-11-20 1980-10-07 The Machlett Laboratories, Inc. Gradated target for X-ray tubes

Also Published As

Publication number Publication date
JPS6139352A (en) 1986-02-25
EP0168736A2 (en) 1986-01-22
DE3573488D1 (en) 1989-11-09
AT381805B (en) 1986-12-10
EP0168736B1 (en) 1989-10-04
ATA228784A (en) 1986-04-15

Similar Documents

Publication Publication Date Title
EP0186937A3 (en) Rotating anode x-ray tube
DE3566193D1 (en) Rotary anode x-ray tube and method for mounting the rotary anode on a supporting axis
DE3478073D1 (en) Rotary anode x-ray tube with a sleeve bearing
EP0210805A3 (en) Cathode for electron tube
GB8408023D0 (en) Vacuum coating apparatus
DE3268123D1 (en) Rotary anode x-ray tube
GB8827828D0 (en) Rotating anode x-ray tube
GB8508898D0 (en) Coated tube
EP0196862A3 (en) Cathode ray tubes
DE3477092D1 (en) X-ray tube comprising a helical-groove bearing
DE3471818D1 (en) X-ray tube having a rotary anode
DE3475450D1 (en) Method for assembling a high vacuum rotating anode x-ray tube
DE3471203D1 (en) Rotary anode x-ray tube
DE3274318D1 (en) Rotating anode x-ray tubes
DE3162221D1 (en) A rotary anode for an x-ray tube and a method for manufacturing the same
GB8424771D0 (en) X-ray anode assembly
DE3573488D1 (en) Rotating anode with a surface coating for x-ray tubes
EP0302552A3 (en) Rotating anode for x-ray tubes
GB2156371B (en) Cathode ray tubes
GB8521848D0 (en) Cathode ray tubes
GB2157074B (en) Resistors for cathode ray tubes
GB2103416B (en) Cathode ray tubes
DE3479268D1 (en) Rotating-anode x-ray tube
GB2170951B (en) Rotating anode for x-ray tube and x-ray tube with that anode
DE3663604D1 (en) Rotating anode x-ray tube

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): CH DE FR GB IT LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH DE FR GB IT LI NL

17P Request for examination filed

Effective date: 19871027

17Q First examination report despatched

Effective date: 19880721

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19890729

Year of fee payment: 7

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

ITF It: translation for a ep patent filed

Owner name: ING. ZINI MARANESI & C. S.R.L.

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE FR GB IT LI NL

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
REF Corresponds to:

Ref document number: 3573488

Country of ref document: DE

Date of ref document: 19891109

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19900618

Year of fee payment: 6

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19900731

Year of fee payment: 6

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19910706

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19911216

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19911217

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19920201

GBPC Gb: european patent ceased through non-payment of renewal fee
NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19920731

Ref country code: CH

Effective date: 19920731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19930331

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19930401

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST