NL277862A - - Google Patents
Info
- Publication number
- NL277862A NL277862A NL277862DA NL277862A NL 277862 A NL277862 A NL 277862A NL 277862D A NL277862D A NL 277862DA NL 277862 A NL277862 A NL 277862A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
- H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES73780A DE1298197B (de) | 1961-05-02 | 1961-05-02 | Permanentmagnetsystem zur gebuendelten Fuehrung des Elektronenstrahls einer Lauffeldroehre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL277862A true NL277862A (en:Method) |
Family
ID=7504183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL277862D NL277862A (en:Method) | 1961-05-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3181042A (en:Method) |
| DE (1) | DE1298197B (en:Method) |
| GB (1) | GB940055A (en:Method) |
| NL (1) | NL277862A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5744910A (en) * | 1993-04-02 | 1998-04-28 | Litton Systems, Inc. | Periodic permanent magnet focusing system for electron beam |
| US10338002B1 (en) | 2016-02-01 | 2019-07-02 | Kla-Tencor Corporation | Methods and systems for selecting recipe for defect inspection |
| US10211021B2 (en) | 2016-04-11 | 2019-02-19 | Kla-Tencor Corporation | Permanent-magnet particle beam apparatus and method incorporating a non-magnetic metal portion for tunability |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL95352C (en:Method) * | 1953-04-29 | |||
| NL99653C (en:Method) * | 1956-03-01 | |||
| US2791718A (en) * | 1956-04-23 | 1957-05-07 | Bell Telephone Labor Inc | Magnetic structure for traveling wave tubes |
| NL218874A (en:Method) * | 1957-07-11 | |||
| US2957102A (en) * | 1958-10-02 | 1960-10-18 | Hughes Aircraft Co | Self-aligning traveling wave tube and method |
-
0
- NL NL277862D patent/NL277862A/xx unknown
-
1961
- 1961-05-02 DE DES73780A patent/DE1298197B/de active Pending
-
1962
- 1962-04-30 US US190890A patent/US3181042A/en not_active Expired - Lifetime
- 1962-05-01 GB GB16747/62A patent/GB940055A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3181042A (en) | 1965-04-27 |
| GB940055A (en) | 1963-10-23 |
| DE1298197B (de) | 1969-06-26 |