NL254372A - - Google Patents
Info
- Publication number
- NL254372A NL254372A NL254372DA NL254372A NL 254372 A NL254372 A NL 254372A NL 254372D A NL254372D A NL 254372DA NL 254372 A NL254372 A NL 254372A
- Authority
- NL
- Netherlands
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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- 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
- H01J23/04—Cathodes
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- 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
- H01J23/06—Electron or ion guns
- H01J23/065—Electron or ion guns producing a solid cylindrical beam
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- 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
- H01J23/087—Magnetic focusing arrangements
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- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2010530A GB353222A (en) | 1930-07-02 | 1930-07-02 | Improved manufacture of spring blades or leaves for laminated springs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL254372A true NL254372A (pt) |
Family
ID=10140458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL254372D NL254372A (pt) | 1930-07-02 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1144405B (pt) |
| GB (1) | GB353222A (pt) |
| NL (1) | NL254372A (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3522469A (en) * | 1968-04-12 | 1970-08-04 | Varian Associates | Magnetic beam focusing structure for a traveling wave tube employing magnetic shunts between the pole pieces and the emitter |
| FR2641899A1 (fr) * | 1989-01-17 | 1990-07-20 | Thomson Tubes Electroniques | Canon a electrons muni d'un dispositif actif produisant un champ magnetique au voisinage de la cathode |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT137264B (de) * | 1933-04-14 | 1934-04-25 | Lignose Hoerfilm System Breusi | Einrichtung an Entladungsgefäßen mit einseitig gerichtetem Elektronenstrahl. |
| BE442068A (pt) * | 1940-07-03 | |||
| BE443460A (pt) * | 1940-11-30 | |||
| DE746498C (de) * | 1940-11-30 | 1944-12-23 | Direkt geheizte wendelfoermige Kathode fuer Kathodenstrahlroehren | |
| GB739092A (en) * | 1953-02-07 | 1955-10-26 | Emi Ltd | Improvements in or relating to magnetron valves |
-
0
- NL NL254372D patent/NL254372A/xx unknown
-
1930
- 1930-07-02 GB GB2010530A patent/GB353222A/en not_active Expired
-
1960
- 1960-08-09 DE DE1960N0018750 patent/DE1144405B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1144405B (de) | 1963-02-28 |
| GB353222A (en) | 1931-07-23 |