FR643300A - Process for improving the vacuum in discharge vessels - Google Patents

Process for improving the vacuum in discharge vessels

Info

Publication number
FR643300A
FR643300A FR643300DA FR643300A FR 643300 A FR643300 A FR 643300A FR 643300D A FR643300D A FR 643300DA FR 643300 A FR643300 A FR 643300A
Authority
FR
France
Prior art keywords
vacuum
improving
discharge vessels
vessels
discharge
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
French (fr)
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens AG
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 Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR643300A publication Critical patent/FR643300A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/183—Composition or manufacture of getters

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR643300D 1926-11-04 1927-11-03 Process for improving the vacuum in discharge vessels Expired FR643300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE643300X 1926-11-04

Publications (1)

Publication Number Publication Date
FR643300A true FR643300A (en) 1928-09-13

Family

ID=6580396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR643300D Expired FR643300A (en) 1926-11-04 1927-11-03 Process for improving the vacuum in discharge vessels

Country Status (1)

Country Link
FR (1) FR643300A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739330C (en) * 1936-01-26 1943-09-21 Siemens Ag Arrangement for gettering electrical discharge vessels with a metallic vessel wall
DE750230C (en) * 1935-10-22 1944-12-20 Rca Corp Electric discharge tubes with an indirectly heated glow cathode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750230C (en) * 1935-10-22 1944-12-20 Rca Corp Electric discharge tubes with an indirectly heated glow cathode
DE739330C (en) * 1936-01-26 1943-09-21 Siemens Ag Arrangement for gettering electrical discharge vessels with a metallic vessel wall

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