JPS5719942A - Hot cathode for follow-cathode discharge - Google Patents

Hot cathode for follow-cathode discharge

Info

Publication number
JPS5719942A
JPS5719942A JP9472280A JP9472280A JPS5719942A JP S5719942 A JPS5719942 A JP S5719942A JP 9472280 A JP9472280 A JP 9472280A JP 9472280 A JP9472280 A JP 9472280A JP S5719942 A JPS5719942 A JP S5719942A
Authority
JP
Japan
Prior art keywords
cathode
hot cathode
boride
follow
hot
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.)
Pending
Application number
JP9472280A
Other languages
Japanese (ja)
Inventor
Osamu Morimiya
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9472280A priority Critical patent/JPS5719942A/en
Publication of JPS5719942A publication Critical patent/JPS5719942A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material

Abstract

PURPOSE:To enable sufficient thermonic emission even under low temperature, by employing a boride as an impregnation material while employing a carbide as a structural member. CONSTITUTION:One end of a cylindrical hot cathode 8 for follow-cathode discharge is connected through an intermediate member 7 to one end of a cathode container 1 while an end board 9 having an orifice 9a is fixed to the opening at the other end of the hot cathode 8. A heater 5 is contained in the hot cathode 8. The hot cathode 8 is formed by impregnating the boride such as LaB6 into the carbide such as WC. Since the boride having low work factor and strong against the ion shock is employed as the kmpregnation material, sufficient thermionic emission is achieved even under relatively low temperature.
JP9472280A 1980-07-11 1980-07-11 Hot cathode for follow-cathode discharge Pending JPS5719942A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9472280A JPS5719942A (en) 1980-07-11 1980-07-11 Hot cathode for follow-cathode discharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9472280A JPS5719942A (en) 1980-07-11 1980-07-11 Hot cathode for follow-cathode discharge

Publications (1)

Publication Number Publication Date
JPS5719942A true JPS5719942A (en) 1982-02-02

Family

ID=14118010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9472280A Pending JPS5719942A (en) 1980-07-11 1980-07-11 Hot cathode for follow-cathode discharge

Country Status (1)

Country Link
JP (1) JPS5719942A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214768A (en) * 1985-07-09 1987-01-23 Chuo Giken Kogyo Kk Extraction of coagulable mucilaginous material from ahnfeltia plicate e. fries
JPS63157940A (en) * 1986-12-18 1988-06-30 Daicel Chem Ind Ltd Pisciculture feed composition
US5502179A (en) * 1993-04-06 1996-03-26 Grinsted Products A/S (Danisco A/S) Carrageenan product and a method of producing same
US5777102A (en) * 1993-04-06 1998-07-07 Grindsted Products A/S (Danisco) Carrageenan-containing product and a method of producing same
JP2009526366A (en) * 2006-02-08 2009-07-16 ヴァリアン メディカル システムズ インコーポレイテッド Improved cathode structure for X-ray tubes

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214768A (en) * 1985-07-09 1987-01-23 Chuo Giken Kogyo Kk Extraction of coagulable mucilaginous material from ahnfeltia plicate e. fries
JPS635051B2 (en) * 1985-07-09 1988-02-02 Chuo Giken Kogyo Kk
JPS63157940A (en) * 1986-12-18 1988-06-30 Daicel Chem Ind Ltd Pisciculture feed composition
US5502179A (en) * 1993-04-06 1996-03-26 Grinsted Products A/S (Danisco A/S) Carrageenan product and a method of producing same
US5777102A (en) * 1993-04-06 1998-07-07 Grindsted Products A/S (Danisco) Carrageenan-containing product and a method of producing same
JP2009526366A (en) * 2006-02-08 2009-07-16 ヴァリアン メディカル システムズ インコーポレイテッド Improved cathode structure for X-ray tubes
US9384935B2 (en) 2006-02-08 2016-07-05 Varian Medical Systems, Inc. Cathode structures for X-ray tubes

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