FR888675A - Appareil à vide démontable, en particulier ultra-microscope - Google Patents

Appareil à vide démontable, en particulier ultra-microscope

Info

Publication number
FR888675A
FR888675A FR888675DA FR888675A FR 888675 A FR888675 A FR 888675A FR 888675D A FR888675D A FR 888675DA FR 888675 A FR888675 A FR 888675A
Authority
FR
France
Prior art keywords
microscope
vacuum apparatus
particular ultra
removable vacuum
removable
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
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR888675A publication Critical patent/FR888675A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20—Seals between parts of vessels
    • H01J5/22—Vacuum-tight joints between parts of vessel
    • H01J5/30—Vacuum-tight joints between parts of vessel using packing-material, e.g. sealing-liquid or elastic insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0047—Closure other than lamp base
FR888675D 1941-12-31 1942-11-30 Appareil à vide démontable, en particulier ultra-microscope Expired FR888675A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE888675X 1941-12-31

Publications (1)

Publication Number Publication Date
FR888675A true FR888675A (fr) 1943-12-20

Family

ID=6834207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888675D Expired FR888675A (fr) 1941-12-31 1942-11-30 Appareil à vide démontable, en particulier ultra-microscope

Country Status (1)

Country Link
FR (1) FR888675A (fr)

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