NL177539B - SEMICONDUCTOR SWITCHING DEVICE. - Google Patents
SEMICONDUCTOR SWITCHING DEVICE.Info
- Publication number
- NL177539B NL177539B NLAANVRAGE7611476,A NL177539DA NL177539B NL 177539 B NL177539 B NL 177539B NL 177539D A NL177539D A NL 177539DA NL 177539 B NL177539 B NL 177539B
- Authority
- NL
- Netherlands
- Prior art keywords
- switching device
- semiconductor switching
- semiconductor
- switching
- Prior art date
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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/083—Electrostatic focusing arrangements
-
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/66—Magnetic lenses using electromagnetic means only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/029—Schematic arrangements for beam forming
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE314131X | 1952-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL177539B true NL177539B (en) |
Family
ID=6144337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7611476,A NL177539B (en) | 1952-04-15 | SEMICONDUCTOR SWITCHING DEVICE. |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH314131A (en) |
FR (1) | FR1075900A (en) |
NL (1) | NL177539B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1093920B (en) * | 1957-02-15 | 1960-12-01 | Standard Elektrik Lorenz Ag | High compression electron beam generation system with combined electrostatic and magnetic focusing, especially for travel time tubes |
-
0
- NL NLAANVRAGE7611476,A patent/NL177539B/en unknown
-
1953
- 1953-03-31 CH CH314131D patent/CH314131A/en unknown
- 1953-04-15 FR FR1075900D patent/FR1075900A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH314131A (en) | 1956-05-31 |
FR1075900A (en) | 1954-10-20 |
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