CA979477A - Cathode-ray tube having conductive internal coating comprised of iron oxide and graphite - Google Patents

Cathode-ray tube having conductive internal coating comprised of iron oxide and graphite

Info

Publication number
CA979477A
CA979477A CA154,420A CA154420A CA979477A CA 979477 A CA979477 A CA 979477A CA 154420 A CA154420 A CA 154420A CA 979477 A CA979477 A CA 979477A
Authority
CA
Canada
Prior art keywords
graphite
cathode
ray tube
iron oxide
internal coating
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
CA154,420A
Other languages
English (en)
Other versions
CA154420S (en
Inventor
James J. Maley
Donald W. Bartch
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA979477A publication Critical patent/CA979477A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/88—Coatings
    • H01J2229/882—Coatings having particular electrical resistive or conductive properties
CA154,420A 1971-11-26 1972-10-20 Cathode-ray tube having conductive internal coating comprised of iron oxide and graphite Expired CA979477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20242871A 1971-11-26 1971-11-26

Publications (1)

Publication Number Publication Date
CA979477A true CA979477A (en) 1975-12-09

Family

ID=22749832

Family Applications (1)

Application Number Title Priority Date Filing Date
CA154,420A Expired CA979477A (en) 1971-11-26 1972-10-20 Cathode-ray tube having conductive internal coating comprised of iron oxide and graphite

Country Status (10)

Country Link
US (1) US3791546A (de)
JP (1) JPS5238713B2 (de)
AU (1) AU463352B2 (de)
BE (1) BE791817A (de)
CA (1) CA979477A (de)
DE (1) DE2257497C3 (de)
FR (1) FR2161000B1 (de)
GB (1) GB1401338A (de)
IT (1) IT969626B (de)
NL (1) NL175565C (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5167992A (ja) * 1974-12-10 1976-06-12 Nippon Kokuen Kogyo Kk Inkyokusenkandodenseinaimenhimakukeiseiyososeibutsu
US4018717A (en) * 1975-09-29 1977-04-19 Owens-Illinois, Inc. Arc suppression in a cathode ray tube
US4092444A (en) * 1975-11-24 1978-05-30 Gte Laboratories Incorporated Cathode ray tube having amorphous resistive film on internal surfaces and method of forming the film
DE2605526C2 (de) * 1976-02-12 1986-04-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektrisch leitfähiger Innenbelag für eine Kathodenstrahlröhre
NL7605988A (nl) * 1976-06-03 1977-12-06 Philips Nv Beeldweergeefbuis met inwendige weerstandslaag.
US4188564A (en) * 1976-12-13 1980-02-12 U.S. Philips Corporation Cathode ray tube having low resistance contact area beneath high voltage contact spring
NL7613806A (nl) * 1976-12-13 1978-06-15 Philips Nv Kleurentelevisiebeeldbuis.
JPS5426657A (en) * 1977-07-30 1979-02-28 Sony Corp Cathode ray tube
DE2816490C2 (de) * 1978-04-15 1986-12-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Kathodenstrahlröhre
US4163919A (en) * 1978-05-08 1979-08-07 Gte Sylvania Incorporated Cathode ray tube internal resistive coating and method of manufacture
US4210844A (en) * 1978-11-20 1980-07-01 Gte Sylvania Incorporated Cathode ray tube arc suppressor coating
DE2903735A1 (de) * 1979-02-01 1980-08-07 Standard Elektrik Lorenz Ag Verfahren zum aufbringen einer schicht in kathodenstrahlroehren
US4425377A (en) 1981-07-22 1984-01-10 Rca Corporation Method of making a cathode-ray tube having a conductive internal coating exhibiting reduced arcing current
JPS6029989U (ja) * 1983-08-06 1985-02-28 新興▲べん▼栓株式会社 管継手
KR900006174B1 (ko) * 1985-01-31 1990-08-24 히타찌 훈마쯔 야킨 가부시끼가이샤 브라운관 및 브라운관의 내장용 도료
DE3842837A1 (de) * 1988-12-20 1990-06-21 Nokia Unterhaltungselektronik Graphithaltige leitsuspension
JPH02214784A (ja) * 1989-02-15 1990-08-27 Nippon Achison Kk 陰極線管用内装コーティング剤組成物
JP3402743B2 (ja) * 1994-04-06 2003-05-06 日立粉末冶金株式会社 ブラウン管内装用塗料
US5667729A (en) * 1995-04-04 1997-09-16 Hitachi Powdered Metals Co., Ltd. Coating material for inner coat of cathode-ray tube
TW328607B (en) * 1996-08-19 1998-03-21 Philips Eloctronics N V Method of manufacturing a device, a heater for carrying out the method and a display device treated in accordance with said method
KR100213774B1 (ko) * 1996-11-26 1999-08-02 구자홍 칼라음극선관의 내장도료
JP3578971B2 (ja) * 2000-05-17 2004-10-20 日立粉末冶金株式会社 陰極線管用内装塗料
US7847248B2 (en) 2007-12-28 2010-12-07 Mds Analytical Technologies, A Business Unit Of Mds Inc. Method and apparatus for reducing space charge in an ion trap

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162391A (en) * 1935-04-18 1939-06-13 Firm Of Fernseh Ag Electron tube with high ohmic wall coatings
US2409514A (en) * 1945-01-30 1946-10-15 Rca Corp Cathode-ray tube
US2617741A (en) * 1951-12-19 1952-11-11 Pittsburgh Plate Glass Co Electroconductive article and production thereof
US2689804A (en) * 1952-02-07 1954-09-21 Philco Corp Process of producing a light diffusing film on a glass surface
DE927280C (de) * 1953-04-02 1955-05-05 Telefunken Gmbh Kathodenstrahlroehre, insbesondere Bildroehre, fuer den Fernsehempfang
US2818355A (en) * 1955-11-21 1957-12-31 Philips Corp Method of producing a conductive layer of graphite on an insulating substratum
USRE25767E (en) * 1958-03-05 1965-04-27 Treating glass sheets
DE1163501B (de) * 1958-05-24 1964-02-20 Philips Patentverwaltung Graphitsuspension zur Verwendung als leitende Innenueberzuege in Elektronenstrahlroehren
US3076727A (en) * 1959-12-24 1963-02-05 Libbey Owens Ford Glass Co Article having electrically conductive coating and process of making
NL145095B (nl) * 1965-06-15 1975-02-17 Acheson Ind Inc Werkwijze voor het bereiden van een preparaat voor het vormen van een elektrisch geleidende bekledingslaag, alsmede werkwijze voor het vormen van deze elektrisch geleidende bekledingslaag op drageroppervlakken en voorwerp met aan het oppervlak een dergelijke bekledingslaag.
DE1564508B1 (de) * 1966-09-29 1970-09-24 Philips Patentverwaltung Graphitsuspension in Wasser zur Bildung leitender Innenueberzuege in Elektronenstrahlroehren

Also Published As

Publication number Publication date
NL7215969A (de) 1973-05-29
DE2257497C3 (de) 1981-10-01
NL175565C (nl) 1984-11-16
JPS5238713B2 (de) 1977-09-30
FR2161000B1 (de) 1977-07-22
AU463352B2 (en) 1975-07-24
US3791546A (en) 1974-02-12
AU4868172A (en) 1974-05-09
GB1401338A (en) 1975-07-16
DE2257497A1 (de) 1973-05-30
IT969626B (it) 1974-04-10
DE2257497B2 (de) 1975-03-20
BE791817A (fr) 1973-03-16
FR2161000A1 (de) 1973-07-06
JPS4861070A (de) 1973-08-27
NL175565B (nl) 1984-06-18

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