NL54222C - - Google Patents

Info

Publication number
NL54222C
NL54222C NL54222DA NL54222C NL 54222 C NL54222 C NL 54222C NL 54222D A NL54222D A NL 54222DA NL 54222 C NL54222 C NL 54222C
Authority
NL
Netherlands
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 NL54222C publication Critical patent/NL54222C/xx

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
    • 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
    • H01J37/18—Vacuum 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)
  • Microscoopes, Condenser (AREA)
  • Sampling And Sample Adjustment (AREA)
NL54222D 1937-08-24 NL54222C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL54222C true NL54222C (enrdf_load_stackoverflow)

Family

ID=6549931

Family Applications (1)

Application Number Title Priority Date Filing Date
NL54222D NL54222C (enrdf_load_stackoverflow) 1937-08-24

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE576003A (enrdf_load_stackoverflow) * 1942-12-01
NL75362C (enrdf_load_stackoverflow) * 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
GB518317A (en) 1940-02-23
FR842484A (fr) 1939-06-13
BE429854A (enrdf_load_stackoverflow)

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