NL149946B - Elektronenkanon van het veldemissietype. - Google Patents
Elektronenkanon van het veldemissietype.Info
- Publication number
- NL149946B NL149946B NL7104277A NL7104277A NL149946B NL 149946 B NL149946 B NL 149946B NL 7104277 A NL7104277 A NL 7104277A NL 7104277 A NL7104277 A NL 7104277A NL 149946 B NL149946 B NL 149946B
- Authority
- NL
- Netherlands
- Prior art keywords
- field emission
- emission type
- electronic gun
- gun
- electronic
- 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 or 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 |
---|---|---|---|
JP2702270A JPS5318861B1 (nl) | 1970-04-01 | 1970-04-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7104277A NL7104277A (nl) | 1971-10-05 |
NL149946B true NL149946B (nl) | 1976-06-15 |
Family
ID=12209447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7104277A NL149946B (nl) | 1970-04-01 | 1971-03-31 | Elektronenkanon van het veldemissietype. |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5318861B1 (nl) |
GB (1) | GB1326677A (nl) |
NL (1) | NL149946B (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3391969B1 (de) | 2017-04-18 | 2019-05-29 | Willy A. Bachofen AG | Formstabiles ringelement für einen wärmetauschmantel |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1207118A (en) * | 1968-07-12 | 1970-09-30 | Jeol Ltd | An electric gun |
-
1970
- 1970-04-01 JP JP2702270A patent/JPS5318861B1/ja active Pending
-
1971
- 1971-03-31 NL NL7104277A patent/NL149946B/nl not_active IP Right Cessation
- 1971-04-19 GB GB1326677D patent/GB1326677A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7104277A (nl) | 1971-10-05 |
DE2116014B2 (de) | 1977-01-27 |
JPS5318861B1 (nl) | 1978-06-17 |
DE2116014A1 (de) | 1971-11-18 |
GB1326677A (en) | 1973-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HITACHI |
|
V4 | Lapsed because of reaching the maxim lifetime of a patent |