FR2437694A1 - Tube cathodique de clarte elevee a forte resolution et a faible niveau de bruit - Google Patents
Tube cathodique de clarte elevee a forte resolution et a faible niveau de bruitInfo
- Publication number
- FR2437694A1 FR2437694A1 FR7906770A FR7906770A FR2437694A1 FR 2437694 A1 FR2437694 A1 FR 2437694A1 FR 7906770 A FR7906770 A FR 7906770A FR 7906770 A FR7906770 A FR 7906770A FR 2437694 A1 FR2437694 A1 FR 2437694A1
- Authority
- FR
- France
- Prior art keywords
- low noise
- tube
- layer
- cathode tube
- phosphorus
- 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.)
- Withdrawn
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
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
- H01J9/22—Applying luminescent coatings
- H01J9/221—Applying luminescent coatings in continuous layers
- H01J9/223—Applying luminescent coatings in continuous layers by uniformly dispersing of liquid
-
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/18—Luminescent screens
- H01J29/26—Luminescent screens with superimposed luminescent layers
-
- 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
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
- H01J9/22—Applying luminescent coatings
- H01J9/221—Applying luminescent coatings in continuous layers
- H01J9/225—Applying luminescent coatings in continuous layers by electrostatic or electrophoretic processes
Abstract
A.TUBE CATHODIQUE A CLARTE ELEVEE ET A FAIBLE NIVEAU DE BRUIT, AYANT UN ECRAN D'AFFICHAGE A RESOLUTION ELEVEE, SUR LA SURFACE INTERIEURE DE LA PLAQUE AVANT DU TUBE. B.TUBE CARACTERISE EN CE QUE L'ECRAN D'AFFICHAGE EST FORME D'UNE PREMIERE COUCHE DE PHOSPHORE DEPOSEE PAR VOIE ELECTROLYTIQUE, CETTE COUCHE ETANT FORMEE DE PARTICULES DE PHOSPHORE FINEMENT DIVISEES, SUR LA SURFACE INTERIEURE DE LA PLAQUE AVANT DU TUBE, AINSI QUE D'UNE SECONDE COUCHE DE PHOSPHORE DEPOSEE PAR GRAVITATION QUI EST PLACEE SUR LA PREMIERE COUCHE DE PHOSPHORE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/887,895 US4204136A (en) | 1978-03-17 | 1978-03-17 | Dual layer phosphor screen for cathode ray tube |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2437694A1 true FR2437694A1 (fr) | 1980-04-25 |
Family
ID=25392095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7906770A Withdrawn FR2437694A1 (fr) | 1978-03-17 | 1979-03-16 | Tube cathodique de clarte elevee a forte resolution et a faible niveau de bruit |
Country Status (4)
Country | Link |
---|---|
US (1) | US4204136A (fr) |
DE (2) | DE7906473U1 (fr) |
FR (1) | FR2437694A1 (fr) |
GB (1) | GB1584545A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19630016C2 (de) * | 1996-07-25 | 2000-10-12 | Daimler Chrysler Ag | Verfahren zur Herstellung einer Leuchtstoffschicht einer Kathodenstrahlröhre |
EP2038907A4 (fr) * | 2006-06-23 | 2010-08-04 | Thomson Licensing | Matériaux luminescents pour affichage à nanotube de carbone (cnt)/dispositif d'émission de champ (fed) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR950030A (fr) * | 1944-05-11 | 1949-09-15 | Lampes Sa | Appareil et procédé de revêtement |
US3525679A (en) * | 1964-05-05 | 1970-08-25 | Westinghouse Electric Corp | Method of electrodepositing luminescent material on insulating substrate |
US3672931A (en) * | 1970-07-27 | 1972-06-27 | Columbia Broadcasting Syst Inc | Method of forming phosphor screen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE506607A (fr) * | 1950-10-24 | |||
NL182774B (nl) * | 1952-11-13 | Mitsubishi Mining & Cement Co | Werkwijze voor het bereiden van een vervangingsmiddel voor bot. | |
US3231775A (en) * | 1961-12-27 | 1966-01-25 | Rca Corp | Cascaded phosphor layers for color display including one of discrete coherent particles |
US3819409A (en) * | 1972-07-26 | 1974-06-25 | Westinghouse Electric Corp | Method of manufacturing a display screen |
US3904502A (en) * | 1973-03-05 | 1975-09-09 | Westinghouse Electric Corp | Method of fabricating a color display screen employing a plurality of layers of phosphors |
US4025662A (en) * | 1974-12-05 | 1977-05-24 | The United States Of America As Represented By The Secretary Of The Army | Method for making ultra high resolution phosphor screens |
-
1978
- 1978-03-17 US US05/887,895 patent/US4204136A/en not_active Expired - Lifetime
- 1978-05-31 GB GB25789/78A patent/GB1584545A/en not_active Expired
-
1979
- 1979-03-08 DE DE19797906473U patent/DE7906473U1/de not_active Expired
- 1979-03-08 DE DE19792909147 patent/DE2909147A1/de not_active Withdrawn
- 1979-03-16 FR FR7906770A patent/FR2437694A1/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR950030A (fr) * | 1944-05-11 | 1949-09-15 | Lampes Sa | Appareil et procédé de revêtement |
US3525679A (en) * | 1964-05-05 | 1970-08-25 | Westinghouse Electric Corp | Method of electrodepositing luminescent material on insulating substrate |
US3672931A (en) * | 1970-07-27 | 1972-06-27 | Columbia Broadcasting Syst Inc | Method of forming phosphor screen |
Non-Patent Citations (2)
Title |
---|
EXBK/62 * |
EXBK/63 * |
Also Published As
Publication number | Publication date |
---|---|
US4204136A (en) | 1980-05-20 |
DE2909147A1 (de) | 1979-09-20 |
GB1584545A (en) | 1981-02-11 |
DE7906473U1 (de) | 1979-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |