ES513515A0 - METHOD FOR FORMING A CATODE STRUCTURE USABLE PARTICULARLY IN CATHODIC RAY TUBES. - Google Patents

METHOD FOR FORMING A CATODE STRUCTURE USABLE PARTICULARLY IN CATHODIC RAY TUBES.

Info

Publication number
ES513515A0
ES513515A0 ES513515A ES513515A ES513515A0 ES 513515 A0 ES513515 A0 ES 513515A0 ES 513515 A ES513515 A ES 513515A ES 513515 A ES513515 A ES 513515A ES 513515 A0 ES513515 A0 ES 513515A0
Authority
ES
Spain
Prior art keywords
catode
forming
ray tubes
structure usable
usable particularly
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.)
Granted
Application number
ES513515A
Other languages
Spanish (es)
Other versions
ES8308153A1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of ES8308153A1 publication Critical patent/ES8308153A1/en
Publication of ES513515A0 publication Critical patent/ES513515A0/en
Granted legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
ES513515A 1981-06-30 1982-06-28 METHOD FOR FORMING A CATODE STRUCTURE USABLE PARTICULARLY IN CATHODIC RAY TUBES. Granted ES513515A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27928181A 1981-06-30 1981-06-30

Publications (2)

Publication Number Publication Date
ES8308153A1 ES8308153A1 (en) 1983-08-01
ES513515A0 true ES513515A0 (en) 1983-08-01

Family

ID=23068326

Family Applications (2)

Application Number Title Priority Date Filing Date
ES513515A Granted ES513515A0 (en) 1981-06-30 1982-06-28 METHOD FOR FORMING A CATODE STRUCTURE USABLE PARTICULARLY IN CATHODIC RAY TUBES.
ES518317A Expired ES8402459A1 (en) 1981-06-30 1982-12-17 Method of forming a cathode structure.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES518317A Expired ES8402459A1 (en) 1981-06-30 1982-12-17 Method of forming a cathode structure.

Country Status (6)

Country Link
EP (1) EP0068111B1 (en)
JP (1) JPS587740A (en)
BR (1) BR8203186A (en)
DE (1) DE3267536D1 (en)
ES (2) ES513515A0 (en)
ZA (1) ZA823101B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60224847A (en) * 1983-12-21 1985-11-09 東洋紡績株式会社 Elastic warp knitted fabric and its production
JPS6143288U (en) * 1984-08-25 1986-03-20 マツモト・テキスタイル株式会社 Stretchable warp knitted fabric
JPS61119757A (en) * 1984-11-16 1986-06-06 東洋紡績株式会社 Elastic knitted cloth
JPH0257988U (en) * 1988-10-24 1990-04-26
JP3556331B2 (en) * 1995-07-17 2004-08-18 株式会社日立製作所 Manufacturing method of electron source
US11205564B2 (en) 2017-05-23 2021-12-21 Modern Electron, Inc. Electrostatic grid device to reduce electron space charge
WO2020206445A1 (en) 2019-04-05 2020-10-08 Modern Electron, Inc Thermionic energy converter with thermal concentrating hot shell

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2156360B2 (en) * 1971-11-12 1978-04-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Brush cathode prodn. using etching of suitable material - involves homogeneous cathode whose surface is coated by photolacquer in pattern corresponding to brush needles required
GB1457105A (en) * 1973-06-01 1976-12-01 English Electric Valve Co Ltd Electron guns
US3978364A (en) * 1974-07-24 1976-08-31 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Integrated structure vacuum tube
JPS5436828B2 (en) * 1974-08-16 1979-11-12
JPS51147171A (en) * 1975-06-11 1976-12-17 Sony Corp Flat surface multilayer cathode
JPS6055942B2 (en) * 1975-08-25 1985-12-07 ソニー株式会社 Cathode manufacturing method
US4121130A (en) * 1976-10-29 1978-10-17 Rca Corporation Cathode structure and method of operating the same
US4138622A (en) * 1977-08-04 1979-02-06 The United States Of America As Represented By The United States Department Of Energy High temperature electronic gain device
NL7810808A (en) * 1978-10-31 1980-05-02 Philips Nv DEVICE AND METHOD FOR MANUFACTURING CATHODS
GB2043991B (en) * 1978-11-30 1983-05-11 Varian Associates Method of fabricating a dispenser cathode
US4361781A (en) * 1980-05-12 1982-11-30 International Business Machines Corporation Multiple electron beam cathode ray tube

Also Published As

Publication number Publication date
BR8203186A (en) 1983-05-17
ES518317A0 (en) 1984-01-16
JPS587740A (en) 1983-01-17
JPH0363169B2 (en) 1991-09-30
ES8308153A1 (en) 1983-08-01
DE3267536D1 (en) 1986-01-02
ZA823101B (en) 1983-03-30
EP0068111A3 (en) 1983-05-11
EP0068111A2 (en) 1983-01-05
EP0068111B1 (en) 1985-11-21
ES8402459A1 (en) 1984-01-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203