NL7900970A - Elektronenkanon met veldemissie. - Google Patents
Elektronenkanon met veldemissie.Info
- Publication number
- NL7900970A NL7900970A NL7900970A NL7900970A NL7900970A NL 7900970 A NL7900970 A NL 7900970A NL 7900970 A NL7900970 A NL 7900970A NL 7900970 A NL7900970 A NL 7900970A NL 7900970 A NL7900970 A NL 7900970A
- Authority
- NL
- Netherlands
- Prior art keywords
- field emission
- electronic gun
- gun
- electronic
- emission
- Prior art date
Links
Classifications
-
- 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, ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1372278 | 1978-02-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7900970A true NL7900970A (nl) | 1979-08-10 |
NL177784B NL177784B (nl) | 1985-06-17 |
NL177784C NL177784C (nl) | 1985-11-18 |
Family
ID=11841129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7900970,A NL177784C (nl) | 1978-02-08 | 1979-02-07 | Inrichting van het veldemissietype voor het opwekken van een elektronenbundel. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4295072A (nl) |
DE (1) | DE2904814C3 (nl) |
FR (1) | FR2417179A1 (nl) |
GB (1) | GB2018508B (nl) |
NL (1) | NL177784C (nl) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2155201B (en) * | 1984-02-24 | 1988-07-13 | Canon Kk | An x-ray exposure apparatus |
JP2732961B2 (ja) * | 1991-07-18 | 1998-03-30 | 株式会社日立製作所 | 荷電粒子線装置 |
JP5386229B2 (ja) * | 2009-05-22 | 2014-01-15 | 株式会社日立ハイテクノロジーズ | 電子銃 |
DE112010002551B4 (de) * | 2009-06-16 | 2019-10-31 | Hitachi High-Technologies Corporation | Geladene teilchen abstrahlende vorrichtung |
US10297416B2 (en) | 2014-10-20 | 2019-05-21 | Hitachi High-Technologies Corporation | Scanning electron microscope |
JP7068117B2 (ja) | 2018-09-18 | 2022-05-16 | 株式会社日立ハイテク | 荷電粒子線装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR964837A (nl) * | 1942-12-01 | 1950-08-25 | ||
GB1291221A (en) * | 1968-07-07 | 1972-10-04 | Smith Kenneth C A | Electron probe forming system |
JPS5318862B1 (nl) * | 1971-07-19 | 1978-06-17 | ||
JPS5518014B2 (nl) * | 1974-12-20 | 1980-05-15 | ||
US4140905A (en) * | 1977-05-02 | 1979-02-20 | The Governing Council Of The University Of Toronto | Laser-induced mass spectrometry |
-
1979
- 1979-01-25 FR FR7901902A patent/FR2417179A1/fr active Granted
- 1979-02-01 US US06/008,259 patent/US4295072A/en not_active Expired - Lifetime
- 1979-02-07 NL NLAANVRAGE7900970,A patent/NL177784C/nl not_active IP Right Cessation
- 1979-02-07 GB GB7904360A patent/GB2018508B/en not_active Expired
- 1979-02-08 DE DE2904814A patent/DE2904814C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2417179B1 (nl) | 1981-12-04 |
NL177784C (nl) | 1985-11-18 |
GB2018508A (en) | 1979-10-17 |
US4295072A (en) | 1981-10-13 |
GB2018508B (en) | 1982-06-03 |
FR2417179A1 (fr) | 1979-09-07 |
DE2904814C3 (de) | 1982-04-01 |
NL177784B (nl) | 1985-06-17 |
DE2904814A1 (de) | 1979-08-09 |
DE2904814B2 (de) | 1981-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Free format text: 990207 |