NL35143C - - Google Patents
Info
- Publication number
- NL35143C NL35143C NL35143DA NL35143C NL 35143 C NL35143 C NL 35143C NL 35143D A NL35143D A NL 35143DA NL 35143 C NL35143 C NL 35143C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/06—Cathodes
- H01J35/064—Details of the emitter, e.g. material or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/147—Spot size control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/06—Vessels or containers specially adapted for operation at high tension, e.g. by improved potential distribution over surface of vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/18—Windows permeable to X-rays, gamma-rays, or particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/08—Anodes; Anti cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US543992A US2113422A (en) | 1931-06-12 | 1931-06-12 | Electron discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL35143C true NL35143C (fr) |
Family
ID=24170356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL35143D NL35143C (fr) | 1931-06-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2113422A (fr) |
| DE (1) | DE629214C (fr) |
| GB (1) | GB404299A (fr) |
| NL (1) | NL35143C (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE760277C (de) * | 1940-04-09 | 1954-08-09 | Aeg | Vorrichtung zur UEbertragung von Vorschubbewegungen von aussen in das Innere von Hochvakuumentladungsgefaessen, insbesondere Elektronenmikroskopen |
| DE1074769B (de) * | 1954-06-01 | 1960-02-04 | Centre National De La Recherche Scientifique, Paris | Röntgenröhre mit elektrostatischer Fokussierung |
| DE4325609A1 (de) * | 1993-07-30 | 1995-02-02 | Philips Patentverwaltung | Elektronenröhre |
| DE102014209389B4 (de) | 2014-05-17 | 2019-10-17 | Incoatec Gmbh | Justageeinrichtung für einen Elektronenemitter einer Elektronenröhre |
-
0
- NL NL35143D patent/NL35143C/xx active
-
1931
- 1931-06-12 US US543992A patent/US2113422A/en not_active Expired - Lifetime
-
1932
- 1932-06-07 DE DEA66183D patent/DE629214C/de not_active Expired
- 1932-06-10 GB GB16488/32A patent/GB404299A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE629214C (de) | 1936-04-24 |
| US2113422A (en) | 1938-04-05 |
| GB404299A (en) | 1934-01-10 |