BE429854A - - Google Patents

Info

Publication number
BE429854A
BE429854A BE429854DA BE429854A BE 429854 A BE429854 A BE 429854A BE 429854D A BE429854D A BE 429854DA BE 429854 A BE429854 A BE 429854A
Authority
BE
Belgium
Application number
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.)
Publication of BE429854A publication Critical patent/BE429854A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/20Means for supporting or positioning the object or the material; Means for adjusting diaphragms or lenses associated with the support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/18Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Microscoopes, Condenser (AREA)
BE429854D 1937-08-24 BE429854A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE518317X 1937-08-24

Publications (1)

Publication Number Publication Date
BE429854A true BE429854A (da)

Family

ID=6549931

Family Applications (1)

Application Number Title Priority Date Filing Date
BE429854D BE429854A (da) 1937-08-24

Country Status (5)

Country Link
US (1) US2215794A (da)
BE (1) BE429854A (da)
FR (1) FR842484A (da)
GB (1) GB518317A (da)
NL (1) NL54222C (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE474126A (da) * 1942-12-01
NL75362C (da) * 1946-08-30
US3833018A (en) * 1973-02-21 1974-09-03 Pass Port Syst Corp Low leakage vacuum valve and chamber using same

Also Published As

Publication number Publication date
US2215794A (en) 1940-09-24
NL54222C (da)
GB518317A (en) 1940-02-23
FR842484A (fr) 1939-06-13

Similar Documents

Publication Publication Date Title
BE420085R (da)
BE421290A (da)
BE420815A (da)
BE386746A (da)
BE412505A (da)
BE413076A (da)
BE417149A (da)
BE417582A (da)
BE418783A (da)
BE419342A (da)
BE419443A (da)
BE419523A (da)
BE419588A (da)
BE419666A (da)
BE419783A (da)
BE419812A (da)
BE421473A (da)
BE419889A (da)
BE419979A (da)
BE420057A (da)
BE420089A (da)
BE420107A (da)
BE420365A (da)
BE420383A (da)
BE420409A (da)