FR2269739A1 - Electroradiographic device using heavy gas between electrodes - has added electron capturing light gas to sharpen recorded image - Google Patents

Electroradiographic device using heavy gas between electrodes - has added electron capturing light gas to sharpen recorded image

Info

Publication number
FR2269739A1
FR2269739A1 FR7513195A FR7513195A FR2269739A1 FR 2269739 A1 FR2269739 A1 FR 2269739A1 FR 7513195 A FR7513195 A FR 7513195A FR 7513195 A FR7513195 A FR 7513195A FR 2269739 A1 FR2269739 A1 FR 2269739A1
Authority
FR
France
Prior art keywords
gas
electrodes
electroradiographic
electrons
heavy
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.)
Withdrawn
Application number
FR7513195A
Other languages
English (en)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2269739A1 publication Critical patent/FR2269739A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/054—Apparatus for electrographic processes using a charge pattern using X-rays, e.g. electroradiography
    • G03G15/0545—Ionography, i.e. X-rays induced liquid or gas discharge

Landscapes

  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FR7513195A 1974-04-30 1975-04-28 Electroradiographic device using heavy gas between electrodes - has added electron capturing light gas to sharpen recorded image Withdrawn FR2269739A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2420902A DE2420902A1 (de) 1974-04-30 1974-04-30 Elektroradiographische vorrichtung

Publications (1)

Publication Number Publication Date
FR2269739A1 true FR2269739A1 (en) 1975-11-28

Family

ID=5914358

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513195A Withdrawn FR2269739A1 (en) 1974-04-30 1975-04-28 Electroradiographic device using heavy gas between electrodes - has added electron capturing light gas to sharpen recorded image

Country Status (8)

Country Link
JP (1) JPS50151184A (enrdf_load_stackoverflow)
BE (1) BE828553A (enrdf_load_stackoverflow)
BR (1) BR7502559A (enrdf_load_stackoverflow)
CH (1) CH588723A5 (enrdf_load_stackoverflow)
DE (1) DE2420902A1 (enrdf_load_stackoverflow)
ES (1) ES437073A1 (enrdf_load_stackoverflow)
FR (1) FR2269739A1 (enrdf_load_stackoverflow)
SE (1) SE398009B (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US401689A (en) * 1889-04-16 Jonah b
US3831027A (en) * 1973-09-28 1974-08-20 Xonics Inc Imaging gas for improved resolution in imaging chamber of electron radiography system

Also Published As

Publication number Publication date
ES437073A1 (es) 1977-01-16
BE828553A (fr) 1975-10-29
BR7502559A (pt) 1976-12-21
SE7504863L (sv) 1975-10-31
CH588723A5 (enrdf_load_stackoverflow) 1977-06-15
JPS50151184A (enrdf_load_stackoverflow) 1975-12-04
DE2420902A1 (de) 1975-11-13
SE398009B (sv) 1977-11-28

Similar Documents

Publication Publication Date Title
ES438659A1 (es) Mejoras introducidas en un generador de rayos x.
US3840748A (en) Electron and x-ray generator
GB1297026A (enrdf_load_stackoverflow)
GB1142262A (en) Improvements in or relating to cathode ray tubes
ES477927A1 (es) Un tubo de rayos x perfeccionado.
ATE29623T1 (de) Magnetron kathodenzerstauebungssystem.
GB1175647A (en) Surface Ionization Ion Source Apparatus
GB672656A (en) Improvements in or relating to barrier grid signal storage tubes
DE2445711A1 (de) Ionen/elektronen-umwandler
FR2269739A1 (en) Electroradiographic device using heavy gas between electrodes - has added electron capturing light gas to sharpen recorded image
US2959704A (en) Overvoltage protective device
JPS5927075B2 (ja) 走査型電子顕微鏡
KR100549432B1 (ko) 음이온발생 및 전자집진시스템
GB976781A (en) Ultra high vacuum ion gauge
US2524227A (en) Thermionic emitting device
US3148298A (en) Faraday shield suppressor for secondary emission current in crossed electric and magnetic field electronic tubes
DE2261720B2 (de) Ionenquelle
GB521563A (en) Apparatus for starting an electric spark
Takata et al. The effect of the applied voltage on ionization in a parallel plate ionization chamber
JPS56116622A (en) X-ray transcriber
JPH0518646U (ja) 電子線照射装置
FR2269194A1 (en) Scanner for charged particle beam - has two electrodes behind particle generator with interdigitated electrode segments
RU184642U1 (ru) Пироэлектрический источник рентгеновского излучения
US2227025A (en) Electron tube arrangement
SU46004A1 (ru) Газовое фотореле

Legal Events

Date Code Title Description
ST Notification of lapse