FR590563A - Improved method of purifying residual gases in vessels where a vacuum has been made, making active the electron emission electrodes contained therein, method also applicable to the purification of noble gases - Google Patents

Improved method of purifying residual gases in vessels where a vacuum has been made, making active the electron emission electrodes contained therein, method also applicable to the purification of noble gases

Info

Publication number
FR590563A
FR590563A FR590563DA FR590563A FR 590563 A FR590563 A FR 590563A FR 590563D A FR590563D A FR 590563DA FR 590563 A FR590563 A FR 590563A
Authority
FR
France
Prior art keywords
gases
vessels
purification
applicable
vacuum
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.)
Westinghouse Lamp Co
Original Assignee
Westinghouse Lamp Co
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 Westinghouse Lamp Co filed Critical Westinghouse Lamp Co
Application granted granted Critical
Publication of FR590563A publication Critical patent/FR590563A/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
    • H01J7/186—Getter supports
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/22—Means for obtaining or maintaining the desired pressure within the tube
    • H01J17/24—Means for absorbing or adsorbing gas, e.g. by gettering
FR590563D 1923-12-08 1924-12-01 Improved method of purifying residual gases in vessels where a vacuum has been made, making active the electron emission electrodes contained therein, method also applicable to the purification of noble gases Expired FR590563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US679489A US1653366A (en) 1923-12-08 1923-12-08 Clean-up and activation by misch metal and the rare-earth metals

Publications (1)

Publication Number Publication Date
FR590563A true FR590563A (en) 1925-06-19

Family

ID=24727104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR590563D Expired FR590563A (en) 1923-12-08 1924-12-01 Improved method of purifying residual gases in vessels where a vacuum has been made, making active the electron emission electrodes contained therein, method also applicable to the purification of noble gases

Country Status (3)

Country Link
US (1) US1653366A (en)
FR (1) FR590563A (en)
GB (1) GB225838A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656256A (en) * 1946-03-18 1953-10-20 Max L Yeater Method of testing a metallic sample
US2776886A (en) * 1952-08-28 1957-01-08 Westinghouse Electric Corp Process of preparing and treating refractory metals
US2943239A (en) * 1954-06-29 1960-06-28 Schlumberger Well Surv Corp Method and apparatus for renewing targets
DE1103473B (en) * 1959-11-23 1961-03-30 Tesla Np Process for the pretreatment of a non-evaporating, air-resistant getter alloy
NL6906305A (en) * 1969-01-24 1970-10-27

Also Published As

Publication number Publication date
US1653366A (en) 1927-12-20
GB225838A (en) 1925-08-13

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