US2179112A - Amplifier for electrons - Google Patents
Amplifier for electrons Download PDFInfo
- Publication number
- US2179112A US2179112A US158350A US15835037A US2179112A US 2179112 A US2179112 A US 2179112A US 158350 A US158350 A US 158350A US 15835037 A US15835037 A US 15835037A US 2179112 A US2179112 A US 2179112A
- Authority
- US
- United States
- Prior art keywords
- cathodes
- electrodes
- succession
- cathode
- electrons
- 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 - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/28—Vessels, e.g. wall of the tube; Windows; Screens; Suppressing undesired discharges or currents
Definitions
- Electron multipliers ructed uration which eifect which is far theory. This eifect ny luminous excitaesome greater than that foreseen in exists in the absence of a .tion.
- the present invention enables this drawback It has been of electrons in these surnal axis of the amplifying system.
- Fig. 3 is a perspective view of a modified device according to Fig. 1,
- Figs. 4 and 5 illustrate two ad ments in cross-sections
- Fig. 6 is a perspective view of a modification of Fig. 2.
- the amplifier comprises a bulb B within which the first photo-electric cathode K1, Fig. 1, receives the outer light and the electrons emitted are attracted by an electric field existing between the upper plate R1 and the cathode.
- Any known means such as M1 M2 produce a magnetic field perpendicular to the path of the electrons, which magnetic field ben ditional embodiondary elecment is repeated several followi nections N1, N2,
- a kind of conducting tube C3 is A kind of conducting tube C3,
- auxiliary electrode ducting tube can be placed outsid plifier (see Fig. ty of the tube its containing the am mediate proximi tact with same.
- auxiliary lateral electrodes are divided into a plurality of sections C'1 C"1 C'2 C": raised to suit to the successive catho Q1, etc., and F1, F2, etc
- a complementary improvement enables the surface of the first cathode to be consists in placing inside the jacent the upper electrode, length L (see Figs. 3 and optical system which,
- An electron multiplier tube comprising a succession of cathodes
- auxiliary electrodes adapted to be raised to a lower potential than th cathodes, said auxiliary ed on either side of said ing electrodes and closi group of cathodes and the group of accelerating electrodes. .2.
- An electron multiplier tube comprising a succession of cathodes, a succession of accelerat- 5 ing electrodes parallel to said cathodes, and two auxiliary half-tubular electrodesadapted to be raised to a lower potential than that of the first of said cathodes, said auxiliary electrodes surrounding said cathodes and, accelerating electrodes and closing the space between the group of cathodes and the group of accelerating electrodes.
- An electron multiplier tube comprising a succession of cathodes, a succession of accelerating electrodes parallel to said cathodes, and two groups of auxiliary electrodes mounted respectively on either side of said cathodes and accelerating electrodes and closing the space between the group of cathodes and the group 0! accelerating electrodes, each of said auxiliary electrodes being adapted to be raised to a lower potential than the potential of the cathode which is adjacent same.
- An electron multiplier tube comprising a succession of cathodes, a succession of accelerating electrodes parallel to said cathodes, and two auxiliary electrodes adapted to be raised to a lower potential than that of the first of said cathodes and mounted on either side of said cathodes and accelerating electrodes, outside said tube, for maintaining all the electrons in their path from one cathode to the following cathode. 5.
- An electron multiplier tube comprising a succession of cathodes, a succession of accelerating electrodes parallel to said cathodes, auxiliary electrodes mounted on either side of said cathodes and accelerating electrodes and closing the space between the group of cathodes and the group of accelerating electrodes, said auxiliary 1 electrodes being adapted to be re ed to a lower potential than the potential of the first cathode, and an optical system mounted within said tube adjacent the first of said cathodes to concentrate light on said first cathode.
- An electron multiplier tube comprising a succession of cathodes, a succession of accelerating electrodes parallel to said cathodes, two groups of auxiliary electrodes mounted respectively on either side of said cathodes and accelerating electrodes and closing the space between the group of cathodes and the group oi accelerating electrodes, each of said auxiliary electrodes being adapted to be raised to a lower potential than the potential of the cathode which is adjacent same, and an optical system mounted within said tube adjacent the first of said cathodes to concentrate light on said first cathode.
- An electron multiplier tube comprising a succession of cathodes, a succession of accelerating electrodes parallel to the said cathodes and auxiliary electrodes mounted on either side of and perpendicularly to said cathodes and accelerating electrodes and being adapted to be raised to a suitable potential to maintain all the electrons in their path from one cathode to the following cathode.
- An electron multiplier device comprising a container, a succession of cathodes and a succession of accelerating electrodes parallel to the said cathodes in said container, and auxiliary electrodes mounted outside said container on either side of and perpendicularly to said cathodes and accelerating electrodes and being adapted to be raised to a suitable potential to maintain all the electrons in their path from one cathode to the following cathode.
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR822104D FR822104A (fr) | 1936-08-28 | 1936-08-28 | Perfectionnements aux amplificateurs d'électrons |
Publications (1)
Publication Number | Publication Date |
---|---|
US2179112A true US2179112A (en) | 1939-11-07 |
Family
ID=9139965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US158350A Expired - Lifetime US2179112A (en) | 1936-08-28 | 1937-08-10 | Amplifier for electrons |
Country Status (7)
Country | Link |
---|---|
US (1) | US2179112A (fr) |
BE (1) | BE422389A (fr) |
CH (1) | CH200820A (fr) |
DE (1) | DE742038C (fr) |
FR (1) | FR822104A (fr) |
GB (1) | GB493968A (fr) |
SE (1) | SE93354C1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2513260A (en) * | 1945-03-07 | 1950-06-27 | Ericsson Telefon Ab L M | Electron discharge apparatus |
US2617076A (en) * | 1948-01-13 | 1952-11-04 | Motorola Inc | Electrostatic deflection system |
US2664515A (en) * | 1951-06-22 | 1953-12-29 | Lincoln G Smith | Magnetic electron multiplier |
US2826704A (en) * | 1955-01-03 | 1958-03-11 | Bendix Aviat Corp | Magnetic electron multiplier gate |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR959706A (fr) * | 1941-07-25 | 1950-04-04 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB443777A (en) * | 1934-07-05 | 1936-03-05 | James Dwyer Mcgee | Electron discharge amplifiers |
-
0
- BE BE422389D patent/BE422389A/xx unknown
-
1936
- 1936-08-28 FR FR822104D patent/FR822104A/fr not_active Expired
-
1937
- 1937-07-22 GB GB20343/37A patent/GB493968A/en not_active Expired
- 1937-08-10 US US158350A patent/US2179112A/en not_active Expired - Lifetime
- 1937-08-12 CH CH200820D patent/CH200820A/fr unknown
- 1937-08-16 SE SE390437A patent/SE93354C1/sv unknown
- 1937-08-28 DE DEC53152D patent/DE742038C/de not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2513260A (en) * | 1945-03-07 | 1950-06-27 | Ericsson Telefon Ab L M | Electron discharge apparatus |
US2617076A (en) * | 1948-01-13 | 1952-11-04 | Motorola Inc | Electrostatic deflection system |
US2664515A (en) * | 1951-06-22 | 1953-12-29 | Lincoln G Smith | Magnetic electron multiplier |
US2826704A (en) * | 1955-01-03 | 1958-03-11 | Bendix Aviat Corp | Magnetic electron multiplier gate |
Also Published As
Publication number | Publication date |
---|---|
SE93354C1 (fr) | 1938-11-19 |
FR822104A (fr) | 1937-12-21 |
GB493968A (en) | 1938-10-18 |
DE742038C (de) | 1943-11-20 |
BE422389A (fr) | |
CH200820A (fr) | 1938-10-31 |
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