FR2198260B3 - - Google Patents
Info
- Publication number
- FR2198260B3 FR2198260B3 FR7303952A FR7303952A FR2198260B3 FR 2198260 B3 FR2198260 B3 FR 2198260B3 FR 7303952 A FR7303952 A FR 7303952A FR 7303952 A FR7303952 A FR 7303952A FR 2198260 B3 FR2198260 B3 FR 2198260B3
- Authority
- FR
- France
- 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
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
-
- 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
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/06—Cathodes
- H01J35/066—Details of electron optical components, e.g. cathode cups
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28473572A | 1972-08-30 | 1972-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2198260A1 FR2198260A1 (ru) | 1974-03-29 |
| FR2198260B3 true FR2198260B3 (ru) | 1976-01-30 |
Family
ID=23091330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7303952A Expired FR2198260B3 (ru) | 1972-08-30 | 1973-02-05 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3783323A (ru) |
| JP (1) | JPS4960882A (ru) |
| CA (1) | CA993938A (ru) |
| DE (1) | DE2336408A1 (ru) |
| FR (1) | FR2198260B3 (ru) |
| NL (1) | NL7301331A (ru) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2658533C2 (de) * | 1976-12-23 | 1987-02-26 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur Darstellung von Körperlängsschichten |
| IL70210A (en) * | 1982-11-23 | 1987-10-20 | Elscint Ltd | X-ray tube with adjustable focal spot |
| DE3426623A1 (de) * | 1984-07-19 | 1986-01-30 | Scanray A/S, Kopenhagen | Roentgenroehre |
| US6771737B2 (en) * | 2001-07-12 | 2004-08-03 | Medtronic Ave, Inc. | X-ray catheter with miniature emitter and focusing cup |
| EP2852964B1 (en) * | 2012-05-22 | 2017-02-08 | Koninklijke Philips N.V. | Cathode filament assembly |
| US20160254116A1 (en) * | 2014-01-29 | 2016-09-01 | Shimadzu Corporation | Metal electrode, and electron gun, electron tube, and x-ray tube using metal electrode |
| CN111146055B (zh) * | 2019-12-26 | 2023-09-19 | 上海联影医疗科技股份有限公司 | X射线管、医疗成像设备及x射线管制造方法 |
-
1972
- 1972-08-30 US US00284735A patent/US3783323A/en not_active Expired - Lifetime
-
1973
- 1973-01-03 CA CA160,474A patent/CA993938A/en not_active Expired
- 1973-01-30 NL NL7301331A patent/NL7301331A/xx unknown
- 1973-02-05 FR FR7303952A patent/FR2198260B3/fr not_active Expired
- 1973-07-17 DE DE19732336408 patent/DE2336408A1/de active Pending
- 1973-08-25 JP JP48094874A patent/JPS4960882A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3783323A (en) | 1974-01-01 |
| FR2198260A1 (ru) | 1974-03-29 |
| CA993938A (en) | 1976-07-27 |
| JPS4960882A (ru) | 1974-06-13 |
| DE2336408A1 (de) | 1974-03-14 |
| NL7301331A (ru) | 1974-03-04 |