SE9001778D0 - Jonfaella - Google Patents
JonfaellaInfo
- Publication number
- SE9001778D0 SE9001778D0 SE9001778A SE9001778A SE9001778D0 SE 9001778 D0 SE9001778 D0 SE 9001778D0 SE 9001778 A SE9001778 A SE 9001778A SE 9001778 A SE9001778 A SE 9001778A SE 9001778 D0 SE9001778 D0 SE 9001778D0
- Authority
- SE
- Sweden
- Prior art keywords
- electron beam
- elements
- sector
- cylindrical form
- center
- Prior art date
Links
Classifications
-
- 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
- H01J3/40—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
Landscapes
- Electron Sources, Ion Sources (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA601265 | 1989-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9001778D0 true SE9001778D0 (sv) | 1990-05-17 |
SE9001778L SE9001778L (sv) | 1990-11-30 |
Family
ID=4140131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9001778A SE9001778L (sv) | 1989-05-29 | 1990-05-17 | Jonfaella |
Country Status (6)
Country | Link |
---|---|
US (1) | US5028837A (sv) |
JP (1) | JPH0384838A (sv) |
DE (1) | DE4017288A1 (sv) |
FR (1) | FR2647593A1 (sv) |
GB (1) | GB2233148A (sv) |
SE (1) | SE9001778L (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5475227A (en) * | 1992-12-17 | 1995-12-12 | Intevac, Inc. | Hybrid photomultiplier tube with ion deflector |
US7411187B2 (en) | 2005-05-23 | 2008-08-12 | The Regents Of The University Of Michigan | Ion trap in a semiconductor chip |
JP6779847B2 (ja) * | 2017-09-11 | 2020-11-04 | 株式会社ニューフレアテクノロジー | 荷電粒子装置、荷電粒子描画装置および荷電粒子ビーム制御方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3586901A (en) * | 1969-06-04 | 1971-06-22 | Gen Electric | Electron gun for use in contaminated environment |
US3886399A (en) * | 1973-08-20 | 1975-05-27 | Varian Associates | Electron beam electrical power transmission system |
US4521900A (en) * | 1982-10-14 | 1985-06-04 | Imatron Associates | Electron beam control assembly and method for a scanning electron beam computed tomography scanner |
US4625150A (en) * | 1984-04-16 | 1986-11-25 | Imatron, Inc. | Electron beam control assembly for a scanning electron beam computed tomography scanner |
NL8403537A (nl) * | 1984-11-21 | 1986-06-16 | Philips Nv | Kathodestraalbuis met ionenval. |
JPS6269575A (ja) * | 1985-09-21 | 1987-03-30 | Ushio Inc | ガスレ−ザ管の汚損防止装置 |
-
1990
- 1990-05-16 US US07/524,060 patent/US5028837A/en not_active Expired - Fee Related
- 1990-05-17 SE SE9001778A patent/SE9001778L/sv not_active Application Discontinuation
- 1990-05-28 FR FR9006588A patent/FR2647593A1/fr active Pending
- 1990-05-29 DE DE4017288A patent/DE4017288A1/de not_active Withdrawn
- 1990-05-29 GB GB9011969A patent/GB2233148A/en not_active Withdrawn
- 1990-05-29 JP JP2139559A patent/JPH0384838A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE9001778L (sv) | 1990-11-30 |
DE4017288A1 (de) | 1990-12-06 |
GB9011969D0 (en) | 1990-07-18 |
GB2233148A (en) | 1991-01-02 |
FR2647593A1 (fr) | 1990-11-30 |
JPH0384838A (ja) | 1991-04-10 |
US5028837A (en) | 1991-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9001778-1 Effective date: 19921201 Format of ref document f/p: F |