CH314137A - Polschuh für magnetische Elektronenlinsen - Google Patents

Polschuh für magnetische Elektronenlinsen

Info

Publication number
CH314137A
CH314137A CH314137DA CH314137A CH 314137 A CH314137 A CH 314137A CH 314137D A CH314137D A CH 314137DA CH 314137 A CH314137 A CH 314137A
Authority
CH
Switzerland
Prior art keywords
pole piece
electron lenses
magnetic electron
magnetic
lenses
Prior art date
Application number
Other languages
English (en)
Inventor
Cornelis Van Dorsten Adrianus
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH314137A publication Critical patent/CH314137A/de

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
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Beam Exposure (AREA)
CH314137D 1952-09-09 1953-09-07 Polschuh für magnetische Elektronenlinsen CH314137A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL314137X 1952-09-09

Publications (1)

Publication Number Publication Date
CH314137A true CH314137A (de) 1956-05-31

Family

ID=19783746

Family Applications (1)

Application Number Title Priority Date Filing Date
CH314137D CH314137A (de) 1952-09-09 1953-09-07 Polschuh für magnetische Elektronenlinsen

Country Status (7)

Country Link
US (2) US2910589A (de)
BE (1) BE522628A (de)
CH (1) CH314137A (de)
DE (1) DE927524C (de)
FR (1) FR1106673A (de)
GB (1) GB744647A (de)
NL (1) NL85195C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019876A (en) * 1960-01-06 1962-02-06 Rabinow Engineering Co Inc Fast response magnetic friction clutch
US3396299A (en) * 1964-06-15 1968-08-06 Jeol Ltd Magnetic flux leakage guide for magnetic electron lenses
US4469948A (en) * 1982-01-26 1984-09-04 The Perkin-Elmer Corp. Composite concentric-gap magnetic lens

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1132016A (en) * 1912-01-24 1915-03-16 John g burns Means for forming zones of varying and variable strengths in magnetic fields.
US1121859A (en) * 1912-11-08 1914-12-22 Electric Weighing Company Composite magnetizable material.
US2053162A (en) * 1936-02-18 1936-09-01 Gen Electric Core for dynamo-electric machines
US2370627A (en) * 1940-10-16 1945-03-06 Rca Corp Magnetic lens
US2418432A (en) * 1944-05-01 1947-04-01 Rca Corp Magnetic electron lens system
US2719240A (en) * 1946-03-14 1955-09-27 Laurence R Walker Cathode structure

Also Published As

Publication number Publication date
BE522628A (de)
NL85195C (de)
DE927524C (de) 1955-05-12
US2910589A (en) 1959-10-27
GB744647A (en) 1956-02-08
UST927524I4 (de)
FR1106673A (fr) 1955-12-21

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