FR2119692A5 - - Google Patents
Info
- Publication number
- FR2119692A5 FR2119692A5 FR7146402A FR7146402A FR2119692A5 FR 2119692 A5 FR2119692 A5 FR 2119692A5 FR 7146402 A FR7146402 A FR 7146402A FR 7146402 A FR7146402 A FR 7146402A FR 2119692 A5 FR2119692 A5 FR 2119692A5
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/075—Electron guns using thermionic emission from cathodes heated by particle bombardment or by irradiation, e.g. by laser
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
- H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7018701A NL7018701A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-12-23 | 1970-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2119692A5 true FR2119692A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-04 |
Family
ID=19811873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7146402A Expired FR2119692A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-12-23 | 1971-12-23 |
Country Status (7)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2466096A1 (fr) * | 1979-09-19 | 1981-03-27 | Philips Nv | Source d'electrons avec un fil profile |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115720A (en) * | 1977-03-31 | 1978-09-19 | Rca Corporation | Device having thermionic cathode heated by field-emitted electrons |
| US4388560A (en) * | 1981-05-26 | 1983-06-14 | Hughes Aircraft Company | Filament dispenser cathode |
| US4560897A (en) * | 1983-06-06 | 1985-12-24 | The United States Of America As Represented By The Department Of Energy | Rigid indented cylindrical cathode for X-ray tube |
| NL8302275A (nl) * | 1983-06-28 | 1985-01-16 | Philips Nv | Electronenstraalapparaat met metaaldraadbron. |
| JPH0810637B2 (ja) * | 1990-08-04 | 1996-01-31 | 三菱電機株式会社 | 高周波電子銃装置 |
| US6091187A (en) * | 1998-04-08 | 2000-07-18 | International Business Machines Corporation | High emittance electron source having high illumination uniformity |
-
1970
- 1970-12-23 NL NL7018701A patent/NL7018701A/xx unknown
-
1971
- 1971-12-01 US US00203708A patent/US3745342A/en not_active Expired - Lifetime
- 1971-12-09 DE DE2161027A patent/DE2161027C3/de not_active Expired
- 1971-12-20 GB GB5900671A patent/GB1375995A/en not_active Expired
- 1971-12-20 CA CA130,503A patent/CA957787A/en not_active Expired
- 1971-12-23 FR FR7146402A patent/FR2119692A5/fr not_active Expired
-
1977
- 1977-11-18 JP JP1977154238U patent/JPS568140Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2466096A1 (fr) * | 1979-09-19 | 1981-03-27 | Philips Nv | Source d'electrons avec un fil profile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS568140Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-02-23 |
| JPS5380361U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-07-04 |
| GB1375995A (en) | 1974-12-04 |
| US3745342A (en) | 1973-07-10 |
| NL7018701A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-27 |
| DE2161027A1 (de) | 1972-07-13 |
| DE2161027B2 (de) | 1979-03-08 |
| DE2161027C3 (de) | 1979-11-15 |
| CA957787A (en) | 1974-11-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |