DE3866260D1 - Magnetische fokussierlinse fuer eine kathodenstrahlroehre. - Google Patents
Magnetische fokussierlinse fuer eine kathodenstrahlroehre.Info
- Publication number
- DE3866260D1 DE3866260D1 DE8888200334T DE3866260T DE3866260D1 DE 3866260 D1 DE3866260 D1 DE 3866260D1 DE 8888200334 T DE8888200334 T DE 8888200334T DE 3866260 T DE3866260 T DE 3866260T DE 3866260 D1 DE3866260 D1 DE 3866260D1
- Authority
- DE
- Germany
- Prior art keywords
- ray tube
- cathode ray
- focusing lens
- magnetic focusing
- magnetic
- Prior art date
- 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 - Lifetime
Links
Classifications
-
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8700528A NL8700528A (nl) | 1987-03-05 | 1987-03-05 | Magnetische focusseerlens voor een kathodestraalbuis. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3866260D1 true DE3866260D1 (de) | 1992-01-02 |
Family
ID=19849657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888200334T Expired - Lifetime DE3866260D1 (de) | 1987-03-05 | 1988-02-24 | Magnetische fokussierlinse fuer eine kathodenstrahlroehre. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0281190B1 (de) |
JP (1) | JPS63228551A (de) |
DE (1) | DE3866260D1 (de) |
NL (1) | NL8700528A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5531698B2 (ja) * | 2009-03-19 | 2014-06-25 | 日立金属株式会社 | 磁場発生装置 |
JP7194572B2 (ja) * | 2018-12-04 | 2022-12-22 | 株式会社ニューフレアテクノロジー | マルチ電子ビーム検査装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL87342C (de) * | 1952-01-04 | |||
US3387158A (en) * | 1965-04-14 | 1968-06-04 | Sony Corp | Focus magnet assembly for cathode ray tubes |
-
1987
- 1987-03-05 NL NL8700528A patent/NL8700528A/nl not_active Application Discontinuation
-
1988
- 1988-02-24 DE DE8888200334T patent/DE3866260D1/de not_active Expired - Lifetime
- 1988-02-24 EP EP19880200334 patent/EP0281190B1/de not_active Expired
- 1988-03-02 JP JP4764988A patent/JPS63228551A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0281190A1 (de) | 1988-09-07 |
JPS63228551A (ja) | 1988-09-22 |
EP0281190B1 (de) | 1991-11-21 |
NL8700528A (nl) | 1988-10-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |