GB839681A - Improvements in or relating to electron discharge devices - Google Patents
Improvements in or relating to electron discharge devicesInfo
- Publication number
- GB839681A GB839681A GB526259A GB526259A GB839681A GB 839681 A GB839681 A GB 839681A GB 526259 A GB526259 A GB 526259A GB 526259 A GB526259 A GB 526259A GB 839681 A GB839681 A GB 839681A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- aluminium
- phosphor
- iron
- cathode
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
- H01J31/501—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output with an electrostatic electron optic system
-
- 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
- H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71537658A | 1958-02-14 | 1958-02-14 | |
US72542058A | 1958-03-31 | 1958-03-31 | |
US768441A US3026437A (en) | 1958-10-20 | 1958-10-20 | Electron discharge device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB839681A true GB839681A (en) | 1960-06-29 |
Family
ID=27418936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB526259A Expired GB839681A (en) | 1958-02-14 | 1959-02-16 | Improvements in or relating to electron discharge devices |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA652089A (fr) |
DE (1) | DE1292266B (fr) |
FR (1) | FR1225726A (fr) |
GB (1) | GB839681A (fr) |
NL (2) | NL236037A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0361266A2 (fr) * | 1988-09-29 | 1990-04-04 | Siemens Aktiengesellschaft | Intensificateur d'images de rayons X |
DE4213906A1 (de) * | 1992-04-28 | 1993-11-04 | Siemens Ag | Roentgenbildverstaerker |
FR2793604A1 (fr) * | 1999-05-11 | 2000-11-17 | Siemens Ag | Intensificateur d'image de rayons x et son procede de fabrication |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL164251B (nl) * | 1951-09-26 | Union Carbide Corp | Werkwijze voor het verhogen van de molverhouding van sio&012 tot al&012o&013 in een kristallijn alumino- silicaatzeoliet. | |
AT179574B (de) * | 1951-09-26 | 1954-09-10 | Philips Nv | Elektronenstrahlröhre für einen Bildwandler |
NL164276B (nl) * | 1951-09-27 | Sandoz Ag | Werkwijze voor het bereiden van een 1,3-difenyl- pyrazoline, van een preparaat voor het optisch bleken van vezelmaterialen door een of een aantal van deze pyrazolinen op te lossen in water en werkwijze voor het optisch bleken van vezelmaterialen met deze 1,3- -difenylpyrazolinen, alsmede onder toepassing van laatstgenoemde werkwijze verkregen optisch gebleekte vezelmaterialen. |
-
0
- CA CA652089A patent/CA652089A/en not_active Expired
- NL NL130739D patent/NL130739C/xx active
- NL NL236037D patent/NL236037A/xx unknown
-
1959
- 1959-02-11 FR FR786446A patent/FR1225726A/fr not_active Expired
- 1959-02-11 DE DE1959R0024934 patent/DE1292266B/de active Pending
- 1959-02-16 GB GB526259A patent/GB839681A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0361266A2 (fr) * | 1988-09-29 | 1990-04-04 | Siemens Aktiengesellschaft | Intensificateur d'images de rayons X |
EP0361266A3 (fr) * | 1988-09-29 | 1990-11-14 | Siemens Aktiengesellschaft | Intensificateur d'images de rayons X |
US4996414A (en) * | 1988-09-29 | 1991-02-26 | Siemens Aktiengesellschaft | X-ray image intensifier with electron optics coating |
DE4213906A1 (de) * | 1992-04-28 | 1993-11-04 | Siemens Ag | Roentgenbildverstaerker |
FR2793604A1 (fr) * | 1999-05-11 | 2000-11-17 | Siemens Ag | Intensificateur d'image de rayons x et son procede de fabrication |
Also Published As
Publication number | Publication date |
---|---|
CA652089A (en) | 1962-11-13 |
DE1292266B (de) | 1969-04-10 |
FR1225726A (fr) | 1960-07-04 |
NL130739C (fr) | |
NL236037A (fr) |
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