FR1590376A - - Google Patents

Info

Publication number
FR1590376A
FR1590376A FR1590376DA FR1590376A FR 1590376 A FR1590376 A FR 1590376A FR 1590376D A FR1590376D A FR 1590376DA FR 1590376 A FR1590376 A FR 1590376A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1590376A publication Critical patent/FR1590376A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/865—Vacuum locks
    • 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)
  • Particle Accelerators (AREA)
FR1590376D 1968-10-30 1968-10-30 Expired FR1590376A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR172046 1968-10-30

Publications (1)

Publication Number Publication Date
FR1590376A true FR1590376A (fr) 1970-04-13

Family

ID=8656330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1590376D Expired FR1590376A (fr) 1968-10-30 1968-10-30

Country Status (4)

Country Link
CH (1) CH499199A (fr)
DE (1) DE1954715A1 (fr)
FR (1) FR1590376A (fr)
GB (1) GB1240399A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005206A1 (fr) * 1987-11-30 1989-06-15 Siemens Aktiengesellschaft Installation de soudage par bombardement electronique de pieces a usiner

Also Published As

Publication number Publication date
GB1240399A (en) 1971-07-21
CH499199A (fr) 1970-11-15
DE1954715A1 (de) 1970-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse