JP4632363B2 - 磁界発生コイル - Google Patents
磁界発生コイル Download PDFInfo
- Publication number
- JP4632363B2 JP4632363B2 JP2005378366A JP2005378366A JP4632363B2 JP 4632363 B2 JP4632363 B2 JP 4632363B2 JP 2005378366 A JP2005378366 A JP 2005378366A JP 2005378366 A JP2005378366 A JP 2005378366A JP 4632363 B2 JP4632363 B2 JP 4632363B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- magnetic field
- center
- field generating
- bobbin
- 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 - Fee Related
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- Coils Of Transformers For General Uses (AREA)
Description
10 磁界発生コイルの全体外形
101 ボビン
102,103 ポリウレタン被覆銅線
104 分割コイル
105 端部コイル
Hy 軸方向磁界
Claims (2)
- 導線を巻回した多層巻きの積層ソレノイドコイルからなる磁界発生コイルにおいて、コイル中心部よりもコイル端部での前記導線の巻回数を増やし、前記コイル中心部よりも前記コイル端部での前記コイル巻回断面積が小さくなるよう、前記コイル中心部よりも前記コイル端部での巻回する導線の径を細くしたことを特徴とする磁界発生コイル。
- 前記積層ソレノイドコイルは長さ方向に分割された分割構造を持ち、個々の分割されたボビンに巻回される導線の巻回数を変え、中心に位置するボビンでの前記巻回数よりも端部に位置するボビンでの前記巻回数が大であることを特徴とする請求項1記載の磁界発生コイル。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005378366A JP4632363B2 (ja) | 2005-12-28 | 2005-12-28 | 磁界発生コイル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005378366A JP4632363B2 (ja) | 2005-12-28 | 2005-12-28 | 磁界発生コイル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007180344A JP2007180344A (ja) | 2007-07-12 |
JP4632363B2 true JP4632363B2 (ja) | 2011-02-16 |
Family
ID=38305229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005378366A Expired - Fee Related JP4632363B2 (ja) | 2005-12-28 | 2005-12-28 | 磁界発生コイル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4632363B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105895292B (zh) * | 2015-01-23 | 2017-11-07 | 星宇电子(宁波)有限公司 | 一种电磁阀线圈 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5493403A (en) * | 1977-12-30 | 1979-07-24 | Alps Electric Co Ltd | Method of winding rotor coil |
US4617516A (en) * | 1983-09-06 | 1986-10-14 | General Electric Company | Axial magnetic field gradient coil suitable for use with NMR apparatus |
JPS61236107A (ja) * | 1985-04-12 | 1986-10-21 | Mitsubishi Electric Corp | 均一磁界発生装置 |
JPS6213008A (ja) * | 1985-07-10 | 1987-01-21 | Shimadzu Corp | 均一磁界発生装置 |
JPH01161804A (ja) * | 1987-12-18 | 1989-06-26 | Fujitsu Ltd | 不等ピッチソレノイドコイル及びその製造方法 |
JPH07106123A (ja) * | 1993-10-08 | 1995-04-21 | Iwatsu Electric Co Ltd | 磁界発生装置及び磁気ひずみ測定装置 |
US5799653A (en) * | 1995-10-03 | 1998-09-01 | Toshiba America Mri, Inc. | Magnetic resonance imaging apparatus with decreased patient claustrophobia and increased access to patient |
JP3670452B2 (ja) * | 1996-07-31 | 2005-07-13 | 株式会社東芝 | 磁場発生用コイルユニットおよびコイル巻装方法 |
-
2005
- 2005-12-28 JP JP2005378366A patent/JP4632363B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007180344A (ja) | 2007-07-12 |
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