GB517704A - Improvements in or relating to electron microscopes - Google Patents

Improvements in or relating to electron microscopes

Info

Publication number
GB517704A
GB517704A GB23222/38A GB2322238A GB517704A GB 517704 A GB517704 A GB 517704A GB 23222/38 A GB23222/38 A GB 23222/38A GB 2322238 A GB2322238 A GB 2322238A GB 517704 A GB517704 A GB 517704A
Authority
GB
United Kingdom
Prior art keywords
cooling
gate
plate
agate
aug
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
GB23222/38A
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.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Publication of GB517704A publication Critical patent/GB517704A/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
    • H01J37/20—Means for supporting or positioning the object or the material; Means for adjusting diaphragms or lenses associated with the support

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB23222/38A 1937-08-17 1938-08-05 Improvements in or relating to electron microscopes Expired GB517704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE517704X 1937-08-17

Publications (1)

Publication Number Publication Date
GB517704A true GB517704A (en) 1940-02-06

Family

ID=6549657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23222/38A Expired GB517704A (en) 1937-08-17 1938-08-05 Improvements in or relating to electron microscopes

Country Status (5)

Country Link
US (1) US2268539A (OSRAM)
BE (1) BE429638A (OSRAM)
FR (1) FR841824A (OSRAM)
GB (1) GB517704A (OSRAM)
NL (1) NL52570C (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955537C (de) * 1942-01-17 1957-01-03 Siemens Ag Halter fuer Objekttraeger, der in das Innere eines Vakuumraumes eines Korpuskularstrahlapparates, insbesondere eines Elektronenmikroskops, eingebaut ist
CN103730312A (zh) * 2014-01-09 2014-04-16 东北大学 一种纳米力学测试系统用样品台及其使用方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423158A (en) * 1944-04-19 1947-07-01 Rca Corp Specimen chamber for electron microscopes
US2418317A (en) * 1944-04-27 1947-04-01 Rca Corp Electronic gun adjustment
US2679018A (en) * 1950-06-30 1954-05-18 Rca Corp Magnetic electron lens pole piece
US3939353A (en) * 1972-05-22 1976-02-17 Kabushiki Kaisha Akashi Seisakusho Electron microscope specimen mounting apparatus
EP1526372A3 (en) * 2004-11-02 2005-05-04 Agilent Technologies, Inc. Microfluidic system with adjustment for an optical detection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955537C (de) * 1942-01-17 1957-01-03 Siemens Ag Halter fuer Objekttraeger, der in das Innere eines Vakuumraumes eines Korpuskularstrahlapparates, insbesondere eines Elektronenmikroskops, eingebaut ist
CN103730312A (zh) * 2014-01-09 2014-04-16 东北大学 一种纳米力学测试系统用样品台及其使用方法
CN103730312B (zh) * 2014-01-09 2015-12-02 东北大学 一种纳米力学测试系统用样品台及其使用方法

Also Published As

Publication number Publication date
US2268539A (en) 1941-12-30
FR841824A (fr) 1939-05-31
BE429638A (OSRAM)
NL52570C (OSRAM)

Similar Documents

Publication Publication Date Title
GB504802A (en) Improvements in or relating to permanent magnet devices for producing axially symmetrical magnetic fields
GB810267A (en) Focusing magnet for long electron beams
GB517704A (en) Improvements in or relating to electron microscopes
GB691156A (en) Improvements in or relating to corpuscular ray apparatus
GB881094A (en) An electron-optical apparatus
GB722096A (en) Improvements in or relating to electron lens
GB492167A (en) Improvements in or relating to electro-optical image converting or transmitting arrangements
GB517680A (en) Improvements in or relating to magnetic lenses for electron beam apparatus
US2472315A (en) Varying the gap spacing of pole pieces for electron optical apparatus
GB773240A (en) Improvements in or relating to arrangements for compensating for axial astigmatism in electron lenses
GB1049920A (en) High frequency electron discharge device having improved permanent magnetic focusing
GB938022A (en) Ionic pump
GB701893A (en) Improvements relating to x-ray tubes
GB523205A (en) Improvements in magnetic separators
GB657234A (en) Improvements in or relating to the focusing and positioning of the beam of a cathode-ray tube
GB670318A (en) Improvements in or relating to electron lens arrangements
GB615257A (en) Improvements in or relating to electron microscopes and other electronic apparatus employing electron lenses
GB847266A (en) Improvements relating to electron lenses
GB490010A (en) Improvements in or relating to permanent magnet assemblies for sound-transforming apparatus
GB459860A (en) Improvements in or relating to focusing means for cathode-ray tubes and the like
DE907449C (de) Korpuskularstrahlapparat zur Untersuchung von Objekten, insbesondere Elektronenmikroskop
SU524256A1 (ru) Способ компенсации астигматизма электромагнитных линз
GB697923A (en) Improvements relating to magnetic electron lenses
GB476567A (en) Improvements in ultra short wave magnetron arrangements
GB770444A (en) Improvements in or relating to magnetic focussing apparatus for cathode ray tubes