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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Open MRI magnet with uniform magnetic field

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01F-001/00    H01F-005/00    G01V-003/00   
미국특허분류(USC) 335/216 ; 335/299 ; 324/318
출원번호 US-0223200 (1994-04-05)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 42  인용 특허 : 0
초록
▼

An open magnetic resonance imaging (MRI) magnet having first and second spaced-apart superconductive coil assemblies each including a toroidal-shaped coil housing containing a superconductive main coil and a superconductive bucking coil. The bucking coil is spaced radially inward and radially apart from the main coil. The bucking coil carries an electric current equal in amperage, and opposite in direction, to the main coil. The bucking coils overcome the gross magnetic field distortions in the imaging volume of the main coils (created by the open space ...

대표
청구항
▼

An open magnetic resonance imaging magnet comprising: a) a first superconductive coil assembly including: (1) a generally toroidal-shaped first coil housing surrounding a first bore and having a generally longitudinal first axis; (2) a generally annular-shaped first superconductive main coil generally coaxially aligned with said first axis, disposed within said first coil housing, and carrying a first main electric current in a first direction; (3) a generally annular-shaped first superconductive bucking coil generally coaxially aligned with said first a...

이 특허를 인용한 특허 피인용횟수: 42

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