GB529480A - Improvements in or relating to electron microscopes - Google Patents

Improvements in or relating to electron microscopes

Info

Publication number
GB529480A
GB529480A GB16168/39A GB1616839A GB529480A GB 529480 A GB529480 A GB 529480A GB 16168/39 A GB16168/39 A GB 16168/39A GB 1616839 A GB1616839 A GB 1616839A GB 529480 A GB529480 A GB 529480A
Authority
GB
United Kingdom
Prior art keywords
drum
prism
june
cathode ray
pole shoes
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
GB16168/39A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB529480A publication Critical patent/GB529480A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/21—Means for adjusting the focus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/24—Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted
    • B62D1/26—Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted mechanical, e.g. by a non-load-bearing guide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/22—Optical, image processing or photographic arrangements associated with the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/245—Detection characterised by the variable being measured
    • H01J2237/24507—Intensity, dose or other characteristics of particle beams or electromagnetic radiation
    • H01J2237/24514—Beam diagnostics including control of the parameter or property diagnosed
    • H01J2237/24542—Beam profile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Facsimile Scanning Arrangements (AREA)
GB16168/39A 1938-06-01 1939-06-01 Improvements in or relating to electron microscopes Expired GB529480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE529480X 1938-06-01

Publications (1)

Publication Number Publication Date
GB529480A true GB529480A (en) 1940-11-21

Family

ID=6554093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16168/39A Expired GB529480A (en) 1938-06-01 1939-06-01 Improvements in or relating to electron microscopes

Country Status (4)

Country Link
US (1) US2253542A (enExample)
BE (1) BE434603A (enExample)
FR (1) FR855430A (enExample)
GB (1) GB529480A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421696A (en) * 1945-03-01 1947-06-03 Rca Corp Specimen holder assembly
US2819403A (en) * 1954-07-01 1958-01-07 Rca Corp Electron microscopy
DE1120738B (de) * 1960-02-09 1961-12-28 Akad Wissenschaften Ddr Polarisationsmikroskop
DE2514266C2 (de) * 1975-03-27 1977-04-28 Siemens Ag Korpuskularstrahloptisches geraet mit zwei in strahlrichtung aufeinanderfolgenden teilraeumen unterschiedlicher druecke

Also Published As

Publication number Publication date
US2253542A (en) 1941-08-26
BE434603A (enExample) 1939-06-30
FR855430A (fr) 1940-05-10

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