GB1480716A - Field shaping magnet structure - Google Patents
Field shaping magnet structureInfo
- Publication number
- GB1480716A GB1480716A GB45422/75A GB4542275A GB1480716A GB 1480716 A GB1480716 A GB 1480716A GB 45422/75 A GB45422/75 A GB 45422/75A GB 4542275 A GB4542275 A GB 4542275A GB 1480716 A GB1480716 A GB 1480716A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- central region
- substantially uniform
- away
- closer together
- 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
Links
- 238000007493 shaping process Methods 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 230000004323 axial length Effects 0.000 abstract 1
- 239000010960 cold rolled steel Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US520074A US3924210A (en) | 1974-11-01 | 1974-11-01 | Field shaping magnet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1480716A true GB1480716A (en) | 1977-07-20 |
Family
ID=24071096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB45422/75A Expired GB1480716A (en) | 1974-11-01 | 1975-10-31 | Field shaping magnet structure |
Country Status (11)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646045A (en) * | 1985-03-25 | 1987-02-24 | General Electric Company | Aperture sized disc shaped end caps of a ferromagnetic shield for magnetic resonance magnets |
| DE3929475A1 (de) * | 1989-09-05 | 1991-03-14 | Balzers Hochvakuum | Verfahren und vorrichtung zur umlenkung eines strahls |
| US5949316A (en) * | 1995-08-24 | 1999-09-07 | The United States Of America As Represented By The Secretary Of The Army | Magnetic reluctor structures and methods |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1147461A (fr) * | 1955-01-11 | 1957-11-26 | Philips Nv | Système magnétique à aimants annulaires |
| US2942141A (en) * | 1957-06-06 | 1960-06-21 | Bell Telephone Labor Inc | Magnetic structures for traveling wave tubes |
| NL250375A (enrdf_load_stackoverflow) * | 1959-04-13 | |||
| US3227931A (en) * | 1963-07-18 | 1966-01-04 | Zenith Radio Corp | Permanent-magnet uniform-field-producing apparatus |
| GB1020141A (enrdf_load_stackoverflow) * | 1963-10-04 | |||
| GB1066043A (en) * | 1965-02-19 | 1967-04-19 | Standard Telephones Cables Ltd | Magnet arrangement for travelling wave tubes |
| US3404306A (en) * | 1966-04-06 | 1968-10-01 | Alltronics Inc | Traveling-wave tube focusing field straightener |
-
1974
- 1974-11-01 US US520074A patent/US3924210A/en not_active Expired - Lifetime
-
1975
- 1975-09-29 CA CA236,662A patent/CA1027626A/en not_active Expired
- 1975-10-02 IL IL48228A patent/IL48228A/xx unknown
- 1975-10-15 IT IT51785/75A patent/IT1047775B/it active
- 1975-10-22 FR FR7532358A patent/FR2290008A1/fr active Granted
- 1975-10-23 BE BE161204A patent/BE834817A/xx not_active IP Right Cessation
- 1975-10-29 DE DE2548439A patent/DE2548439C2/de not_active Expired
- 1975-10-31 GB GB45422/75A patent/GB1480716A/en not_active Expired
- 1975-10-31 CH CH1411775A patent/CH604345A5/xx not_active IP Right Cessation
- 1975-10-31 NL NLAANVRAGE7512795,A patent/NL172496C/xx not_active IP Right Cessation
- 1975-10-31 JP JP50131350A patent/JPS6044780B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL48228A0 (en) | 1975-12-31 |
| DE2548439C2 (de) | 1985-10-31 |
| JPS6044780B2 (ja) | 1985-10-05 |
| DE2548439A1 (de) | 1976-05-06 |
| BE834817A (fr) | 1976-02-16 |
| NL7512795A (nl) | 1976-05-04 |
| US3924210A (en) | 1975-12-02 |
| IL48228A (en) | 1978-01-31 |
| FR2290008A1 (fr) | 1976-05-28 |
| JPS5167961A (enrdf_load_stackoverflow) | 1976-06-12 |
| CA1027626A (en) | 1978-03-07 |
| FR2290008B1 (enrdf_load_stackoverflow) | 1980-12-05 |
| CH604345A5 (enrdf_load_stackoverflow) | 1978-09-15 |
| NL172496C (nl) | 1983-09-01 |
| IT1047775B (it) | 1980-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |