DE726874C - Process for the production of photosensitive mosaic screens - Google Patents
Process for the production of photosensitive mosaic screensInfo
- Publication number
- DE726874C DE726874C DEL99985D DEL0099985D DE726874C DE 726874 C DE726874 C DE 726874C DE L99985 D DEL99985 D DE L99985D DE L0099985 D DEL0099985 D DE L0099985D DE 726874 C DE726874 C DE 726874C
- Authority
- DE
- Germany
- Prior art keywords
- production
- elements
- mosaic screens
- mosaic
- signal plate
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
- H01J40/02—Details
- H01J40/04—Electrodes
- H01J40/06—Photo-emissive cathodes
-
- 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
- H01J29/36—Photoelectric screens; Charge-storage screens
- H01J29/39—Charge-storage screens
- H01J29/43—Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12361—All metal or with adjacent metals having aperture or cut
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12583—Component contains compound of adjacent metal
- Y10T428/1259—Oxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12896—Ag-base component
Landscapes
- Surface Heating Bodies (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
Die Erfindung betrifft ein Verfahren zur Herstellung lichtempfindlicher Mosaikschirme, die bekannterweise aus einer Metallgrundplatte (Signalplatte) bestehen, auf welcher einzelne voneinander getrennte Isolierinseln aufgebracht sind, die wiederum die Mosaikelemente tragen, so daß der abtastende Kathodenstrahl zwischen zwei Elementen die Signalplatte treffen kann. Solche Mosaikelektroden wurden bislang· so hergestellt, daß während des Auftragens der Schichten auf die Signalplatte ein Hüfsgitter aufgelegt wurde. Nach Fertigstellung der Schichten wurde das - Hilfsgitter entfernt. Dieses Herstelhingsverfahren hat jedoch den Nachteil, daß es keine so kleinen Mosaikelemente liefert, wie es eigentlich wünschenswert wäre, und ferner ist das Verfahren verhältnismäßig umständlich. The invention relates to a method for producing light-sensitive mosaic screens, which are known to consist of a metal base plate (signal plate) on which individual separate isolation islands are applied, which in turn form the mosaic elements wear so that the scanning cathode ray between two elements can hit the signal plate. Such mosaic electrodes have been produced so far that during the application of the layers on the signal plate an auxiliary grid was placed on top. After finishing the layers the auxiliary grid was removed. However, this manufacturing process has the disadvantage that it does not provide such small mosaic elements as would actually be desirable, and furthermore, the procedure is relatively cumbersome.
Es ist ferner bekannt, Mosaikelektroden mit zusammenhängender Isolierunterlage dadurch herzustellen, daß ein Überzug aus Metall oder einer Metallverbindung auf diese Isolierplatte aufgebracht und das Ganze dann so lange erhitzt wird, bis die Metallschicht in einzelne Teilchen aufgerissen ist. Bei dieser Wärmebehandlung blieb die Isolierplatte als solche vollkommen erhalten.It is also known to make mosaic electrodes with a coherent insulating substrate manufacture that a coating of metal or a metal compound is applied to this insulating plate and then the whole thing is heated until the metal layer is torn into individual particles. At this After the heat treatment, the insulating plate was completely retained as such.
Bei dem erfindungsgemäßen Verfahren zur Herstellung lichtempfindlicher Mosaikschirme, die aus einer metallischen Signalplatte, beipielsweise aus Aluminium, einer Oxydschicht, beispielsweise aus dem Metalloxyd der Signalplatte, und einer darauf aufgebrachten, späterIn the method according to the invention for producing photosensitive mosaic screens, made of a metallic signal plate, for example made of aluminum, an oxide layer, for example from the metal oxide of the signal plate, and one applied to it later
zu aktivierenden Silberschicht bestehen, die durch Wärme in einzelne voneinander isolierte Elemente aufgerissen wird, wird dagegen der Erwärmungsprozeß so weit getrieben, daß aueli die Isolierschicht in lauter voneinander getrennte Elemente aufreißt. Hierbei wurde die überraschende Feststellung gemacht, daß die Isolierunterlage und die darauf befindliche Metallschicht an den gleichen Stellento be activated silver layer exist, which are isolated from each other by heat Elements is torn open, however, becomes the Warming process so far that aueli the insulating layer in louder from each other ripping open separate elements. The surprising finding was made that the insulating pad and the metal layer on it in the same places
ίο zerplatzt.ίο bursts.
Die Abb. ι zeigt im vergrößerten Maßstab einen Mosaikschirm, der gemäß der Erfindung hergestellt wurde, und Abb. 2 einen Querschnitt durch einen Teil davon in noch weiter vergrößertem Maßstab. Der Mosaikschirm gemäß den Abbildungen, hat eine leitende! Unterlage 1 aus Aluminium. Auf der Oberfläche dieser Platte befindet sich eine mit 2 bezeichnete elektrolytisch erzeugte Oxydhaut.Fig. Ι shows on an enlarged scale a mosaic screen according to the invention and Fig. 2 is a cross-section through part of it on a still further enlarged scale. The mosaic screen according to the pictures, has a senior! Base 1 made of aluminum. On the surface this plate is a designated 2 electrolytically generated oxide skin.
ao Der so erzeugte Film ist im allgemeinen von einheitlicher Dicke, und diese Dicke kann 'leicht geregelt werden. Für den erfindungsgemäßen Zweck kann es jedoch unter Umständen zweckmäßig sein, einen Film von örtlieh verschiedener Dicke herzustellen. Die Aluminiumoxydschicht wird, wie bei 3 dargestellt, mit Silber bedeckt, z. B. durch Aufsprühen oder Aufspritzen. Danach wird die Aluminiumplatte zusammen mit dem Überzug darauf auf eine Temperatur in der Größenanordnung von 4000 C erhitzt. Hierbei entsteht ein Netzwerk von Sprüngen 4 in der Aluminiumoxydhaut, so daß eine große Anzahl voneinander getrennter inselartiger Elemente 5 entsteht, die Durchmesser in der Größenanordnung von 1 · 10-2 mm ader 5«io-2mm haben. Schließlich wird der Silberüberzug auf den Elementen z. B. mit Cäsium aktiviert.The film so produced is generally of uniform thickness, and this thickness can be easily controlled. For the purpose of the invention, however, it may be useful under certain circumstances to produce a film of locally different thickness. The aluminum oxide layer is covered with silver, as shown at 3, e.g. B. by spraying or spraying. Thereafter, the aluminum plate is heated together with the coating thereon to a temperature in the size array of 400 0 C. This gives rise to a network of cracks 4 in the aluminum oxide skin, so that a large number of separate island-like elements 5 arises, the diameters in size order of 1 x 10- 2 mm vein 5 "io 2 have mm. Finally, the silver coating is applied to the elements e.g. B. activated with cesium.
Ein gemäß der Erfindung ausgebildeter Schirm besitzt zwischen den Mosaikelementen metallische Leiter, so daß also auch zwischen diesen Elementen ein in gewünschter Weise steuerbares Potential vorhanden ist. Das Ergebnis dessen ist eine gleichmäßigere Feldverteilung als bei den üblichen Mosaikelektroden mit Silberkugeln auf einem Glimmeruntergrund. A screen designed according to the invention has between the mosaic elements metallic conductor, so that a desired way between these elements controllable potential is present. The result is a more even field distribution than with the usual mosaic electrodes with silver balls on a mica background.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US254070A US2296616A (en) | 1939-02-01 | 1939-02-01 | Electrolytic process of making photosensitive mosaic screens |
Publications (1)
Publication Number | Publication Date |
---|---|
DE726874C true DE726874C (en) | 1942-10-22 |
Family
ID=22962814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEL99985D Expired DE726874C (en) | 1939-02-01 | 1940-01-27 | Process for the production of photosensitive mosaic screens |
Country Status (3)
Country | Link |
---|---|
US (1) | US2296616A (en) |
DE (1) | DE726874C (en) |
GB (1) | GB534343A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2230802A1 (en) * | 1971-07-10 | 1973-01-18 | Philips Nv | LAMP SCREEN WITH A MOSAIC STRUCTURE |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2588019A (en) * | 1946-06-05 | 1952-03-04 | Rca Corp | Monoscope target for pickup tubes |
US2668936A (en) * | 1948-05-26 | 1954-02-09 | Sprague Electric Co | Electrical condenser |
US2805986A (en) * | 1952-01-11 | 1957-09-10 | Harold B Law | Method of making fine mesh screens |
US2780591A (en) * | 1953-11-06 | 1957-02-05 | Oakite Prod Inc | Decorative metal plating |
US3254006A (en) * | 1961-06-15 | 1966-05-31 | Sylvania Electric Prod | Method of making a cold cathode |
US3189420A (en) * | 1962-10-01 | 1965-06-15 | Paul R Gould | Electrically conductive element |
US3380156A (en) * | 1965-11-15 | 1968-04-30 | Trw Inc | Method of fabricating thin film resistors |
US3798477A (en) * | 1972-08-03 | 1974-03-19 | Tektronix Inc | Storage tube with target having conductive surface exposed through random cracks in dielectric coating |
FR2514947A1 (en) * | 1981-10-16 | 1983-04-22 | Hyperelec | Image quality enhancement technique for colour light intensifiers - uses disordered arrangement of luminous phosphor receptors to prevent Moire fringe image patterning |
-
1939
- 1939-02-01 US US254070A patent/US2296616A/en not_active Expired - Lifetime
-
1940
- 1940-01-27 DE DEL99985D patent/DE726874C/en not_active Expired
- 1940-01-30 GB GB1819/40A patent/GB534343A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2230802A1 (en) * | 1971-07-10 | 1973-01-18 | Philips Nv | LAMP SCREEN WITH A MOSAIC STRUCTURE |
Also Published As
Publication number | Publication date |
---|---|
US2296616A (en) | 1942-09-22 |
GB534343A (en) | 1941-03-05 |
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