KR920013523A - 함침형 음극 제조방법 - Google Patents
함침형 음극 제조방법 Download PDFInfo
- Publication number
- KR920013523A KR920013523A KR1019900022315A KR900022315A KR920013523A KR 920013523 A KR920013523 A KR 920013523A KR 1019900022315 A KR1019900022315 A KR 1019900022315A KR 900022315 A KR900022315 A KR 900022315A KR 920013523 A KR920013523 A KR 920013523A
- Authority
- KR
- South Korea
- Prior art keywords
- impregnated
- cathode
- type cathode
- cathode manufacturing
- manufacturing
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
-
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/26—Supports for the emissive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
- H01J9/047—Cathodes having impregnated bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Solid Thermionic Cathode (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Powder Metallurgy (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명에 의한 함침형 음극의 제조방법을 설명하기 위한 공정도.
Claims (2)
- 함침형 음극 제조방법에 있어서, 원통형 음극링(2′)에 다공질 펠렛트(6)를 결합시킨 상태에서 다공질 펠렛트(6)에 전자방사 물질을 함침시켜, 그 전자방사물질과 음극링(2′)중의 산화성 물질의 화학 반응으로 음극링(2)에 함침 펠렛트(1)을 고정함을 특징으로 하는 함침형 음극 제조방법.
- 제1항에 있어서, 상기 음극링(2′)은 함침온도 이하에서 산화반응을 하는 산화성 물질이 함유된 금속 또는 합금으로 제조됨을 특징으로 하는 함침형 음극 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900022315A KR920009849B1 (ko) | 1990-12-28 | 1990-12-28 | 함침형 음극 제조방법 |
JP34337491A JPH0766737B2 (ja) | 1990-12-28 | 1991-12-25 | 含浸型陰極の製造方法 |
DE4143096A DE4143096C2 (de) | 1990-12-28 | 1991-12-27 | Verfahren zur Herstellung einer imprägnierten Kathode |
US07/813,671 US5132081A (en) | 1990-12-28 | 1991-12-27 | Method for manufacturing impregnated cathodes |
CN91112825A CN1029178C (zh) | 1990-12-28 | 1991-12-28 | 制造浸渍式阴极的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900022315A KR920009849B1 (ko) | 1990-12-28 | 1990-12-28 | 함침형 음극 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920013523A true KR920013523A (ko) | 1992-07-29 |
KR920009849B1 KR920009849B1 (ko) | 1992-10-31 |
Family
ID=19308838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900022315A KR920009849B1 (ko) | 1990-12-28 | 1990-12-28 | 함침형 음극 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5132081A (ko) |
JP (1) | JPH0766737B2 (ko) |
KR (1) | KR920009849B1 (ko) |
CN (1) | CN1029178C (ko) |
DE (1) | DE4143096C2 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5828164A (en) * | 1992-04-03 | 1998-10-27 | The United States Of America As Represented By The Secretary Of The Army | Thermionic cathode using oxygen deficient and fully oxidized material for high electron density emissions |
DE4408941A1 (de) * | 1994-03-16 | 1995-09-21 | Licentia Gmbh | Vorratskathode |
US6451385B1 (en) | 1999-05-04 | 2002-09-17 | Purdue Research Foundation | pressure infiltration for production of composites |
CN1298007C (zh) * | 2003-04-17 | 2007-01-31 | 中国科学院电子学研究所 | 基于纳米材料二氧化硅的浸渍钡钨阴极及制备方法 |
WO2007033247A2 (en) * | 2005-09-14 | 2007-03-22 | Littelfuse, Inc. | Gas-filled surge arrester, activating compound, ignition stripes and method therefore |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638062A (en) * | 1970-10-23 | 1972-01-25 | Gen Electric | Support for composite electrode structure |
US4223243A (en) * | 1979-05-09 | 1980-09-16 | The United States Of America As Represented By The Secretary Of The Army | Tube with bonded cathode and electrode structure and getter |
JPS62145621A (ja) * | 1985-12-20 | 1987-06-29 | Hitachi Ltd | 含浸形陰極 |
-
1990
- 1990-12-28 KR KR1019900022315A patent/KR920009849B1/ko not_active IP Right Cessation
-
1991
- 1991-12-25 JP JP34337491A patent/JPH0766737B2/ja not_active Expired - Fee Related
- 1991-12-27 DE DE4143096A patent/DE4143096C2/de not_active Expired - Fee Related
- 1991-12-27 US US07/813,671 patent/US5132081A/en not_active Expired - Lifetime
- 1991-12-28 CN CN91112825A patent/CN1029178C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0766737B2 (ja) | 1995-07-19 |
CN1029178C (zh) | 1995-06-28 |
JPH04303536A (ja) | 1992-10-27 |
KR920009849B1 (ko) | 1992-10-31 |
CN1064172A (zh) | 1992-09-02 |
DE4143096C2 (de) | 1995-09-28 |
US5132081A (en) | 1992-07-21 |
DE4143096A1 (de) | 1992-07-02 |
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FPAY | Annual fee payment |
Payment date: 20030930 Year of fee payment: 12 |
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