公开(公告)号：US07148689B2

公开(公告)日：2006-12-12

申请号：US10672720

申请日：2003-09-29

申请人： Xianrui Huang ,  Evangelos Trifon Laskaris ,  Kathleen Melanie Amm ,  Bruce Campbell Amm ,  Michael Anthony Palmo, Jr.

发明人： Xianrui Huang ,  Evangelos Trifon Laskaris ,  Kathleen Melanie Amm ,  Bruce Campbell Amm ,  Michael Anthony Palmo, Jr.

IPC分类号： G01V3/00

CPC分类号： H01F7/0284 ,  G01R33/383

摘要： A permanent magnet assembly comprising a fixed permanent magnet body and a movable permanent magnet body which is movable relative to the fixed permanent magnet body.

摘要翻译： 一种永磁体组件，包括固定永磁体和相对于固定永磁体可移动的可动永磁体。

公开(公告)号：US07423431B2

公开(公告)日：2008-09-09

申请号：US10672658

申请日：2003-09-29

申请人： Kathleen Melanie Amm ,  Evangelos Trifon Laskaris ,  Paul Shadforth Thompson ,  Bulent Aksel ,  Bruce Campbell Amm ,  Michael Anthony Palmo, Jr ,  Johannes Martinus Van Oort ,  Xianrui Huang

发明人： Kathleen Melanie Amm ,  Evangelos Trifon Laskaris ,  Paul Shadforth Thompson ,  Bulent Aksel ,  Bruce Campbell Amm ,  Michael Anthony Palmo, Jr ,  Johannes Martinus Van Oort ,  Xianrui Huang

IPC分类号： G01V3/00 ,  H01F7/02

CPC分类号： H01F7/128 ,  G01R33/383 ,  H01F1/057 ,  H01F1/147 ,  H01F7/0278 ,  H01F41/028

摘要： A permanent magnet assembly for an imaging apparatus having a permanent magnet body having a first surface and a stepped second surface which is adapted to face an imaging volume of the imaging apparatus, wherein the stepped second surface contains at least four steps.

摘要翻译： 一种用于成像设备的永磁体组件，具有永磁体，其具有适于面对成像设备的成像体积的第一表面和阶梯状第二表面，其中所述阶梯状第二表面包含至少四个步骤。

公开(公告)号：US06504461B2

公开(公告)日：2003-01-07

申请号：US09949623

申请日：2001-09-10

申请人： Xianrui Huang ,  Michael Anthony Palmo, Jr. ,  Evangelos Trifon Laskaris ,  Bruce Campbell Amm

发明人： Xianrui Huang ,  Michael Anthony Palmo, Jr. ,  Evangelos Trifon Laskaris ,  Bruce Campbell Amm

IPC分类号： G01V300

CPC分类号： H01F6/00 ,  G01R33/381

摘要： A pole piece for use in an open magnet includes a magnetizable body of generally cylindrical shape and made of a ferromagnetic material with a plurality of concentrically-arranged, annular-shaped, radially spaced-apart grooves formed in the inner surface of the pole piece. A plurality of annular-shaped, electrically conductive coils are disposed within the grooves. The pole piece with recessed shielding coils is situated within a cryogenic vessel to maintain the pole pieces at a uniform cryogenic temperature. The result is an open magnet structure which provides a highly uniform, high field, open field of view for MRI with a well-contained stray field.

公开(公告)号：US08468684B2

公开(公告)日：2013-06-25

申请号：US11601922

申请日：2006-11-20

申请人： Evangelos Trifon Laskaris ,  Paul Shadforth Thompson ,  Liang Li ,  Kathleen Melanie Amm ,  Bulent Aksel ,  Michael Anthony Palmo, Jr.

发明人： Evangelos Trifon Laskaris ,  Paul Shadforth Thompson ,  Liang Li ,  Kathleen Melanie Amm ,  Bulent Aksel ,  Michael Anthony Palmo, Jr.

IPC分类号： H01F5/00 ,  H01F7/06

CPC分类号： H01F13/003 ,  Y10T29/49071

摘要： A magnetizing coil unit and a method of making a magnetizing coil unit is provided. The coil includes a solenoid coil having a coiled copper sheet in which the width of the copper sheet is equal to the height of the solenoid coil. A magnetizing assembly includes a plurality of magnetizing coil units.

摘要翻译： 提供了一种磁化线圈单元和一种制造磁化线圈单元的方法。 线圈包括具有卷绕铜片的螺线管线圈，其中铜片的宽度等于螺线管线圈的高度。 磁化组件包括多个磁化线圈单元。

公开(公告)号：US07218195B2

公开(公告)日：2007-05-15

申请号：US10674495

申请日：2003-10-01

申请人： Evangelos Trifon Laskaris ,  Paul Shadforth Thompson ,  Liang Li ,  Kathleen Melanie Amm ,  Bulent Aksel ,  Michael Anthony Palmo, Jr.

发明人： Evangelos Trifon Laskaris ,  Paul Shadforth Thompson ,  Liang Li ,  Kathleen Melanie Amm ,  Bulent Aksel ,  Michael Anthony Palmo, Jr.

IPC分类号： H01F5/00

CPC分类号： H01F13/003 ,  Y10T29/49071

摘要： A magnetizing coil unit and a method of making a magnetizing coil unit is provided. The coil includes a solenoid coil having a coiled copper sheet in which the width of the copper sheet is equal to the height of the solenoid coil. A magnetizing assembly includes a plurality of magnetizing coil units.

摘要翻译： 提供了一种磁化线圈单元和一种制造磁化线圈单元的方法。 线圈包括具有卷绕铜片的螺线管线圈，其中铜片的宽度等于螺线管线圈的高度。 磁化组件包括多个磁化线圈单元。

公开(公告)号：US07226894B2

公开(公告)日：2007-06-05

申请号：US10691368

申请日：2003-10-22

申请人： Thomas Robert Raber ,  Judson Sloan Marte ,  Evangelos Trifon Laskaris ,  Sergio Martins Loureiro ,  Robert John Zabala ,  Bruce Alan Knudsen ,  Kathleen Melanie Amm ,  Bruce Campbell Amm ,  James William Bray

发明人： Thomas Robert Raber ,  Judson Sloan Marte ,  Evangelos Trifon Laskaris ,  Sergio Martins Loureiro ,  Robert John Zabala ,  Bruce Alan Knudsen ,  Kathleen Melanie Amm ,  Bruce Campbell Amm ,  James William Bray

IPC分类号： H01B12/00 ,  H01L39/24 ,  C04B35/58 ,  C23C26/00

CPC分类号： H01L39/2487 ,  Y10S505/704

摘要： Disclosed herein is method for making a wire comprising contacting a first end of a first superconducting wire with a second end of a second superconducting wire, wherein the superconducting wire comprises a superconducting filament having a superconducting composition comprising magnesium diboride; heating the first end of the first superconducting wire with the second end of the second superconducting wire at a point to form a joint, wherein the superconducting filament having the superconducting composition is in continuous electrical contact with any other part of the superconducting filament after the formation of the joint.

摘要翻译： 本文公开了制造线材的方法，包括使第一超导线材的第一端与第二超导线材的第二端接触，其中超导线材包括具有包含二硼化镁的超导组合物的超导细丝; 加热第一超导线的第一端与第二超导线的第二端在一点形成接头，其中具有超导组合物的超导细丝在形成之后与超导细丝的任何其它部分连续电接触 的联合。

公开(公告)号：US07498814B1

公开(公告)日：2009-03-03

申请号：US11930953

申请日：2007-10-31

申请人： Xianrui Huang ,  Minfeng Xu ,  Evangelos Trifon Laskaris ,  Paul St. Mark Shadforth Thompson ,  Bulent Aksel ,  Kathleen Melanie Amm ,  Anbo Wu ,  Yan Zhao

发明人： Xianrui Huang ,  Minfeng Xu ,  Evangelos Trifon Laskaris ,  Paul St. Mark Shadforth Thompson ,  Bulent Aksel ,  Kathleen Melanie Amm ,  Anbo Wu ,  Yan Zhao

IPC分类号： G01V3/00

CPC分类号： G01R33/3815

摘要： A magnet assembly for a Magnetic Resonance Imaging (MRI) system includes a vacuum vessel including an inner cylinder, an outer cylinder and a pair of tapered flanges connecting the inner and outer cylinders. The inner cylinder is made of a composite material. The outer cylinder and flanges are composed of several magnetic segments that provide a magnetic flux return path with low eddy currents. The segments are bonded together and electrically insulated from each other. A container, a thermal shield and a superconducting magnet coil assembly are disposed within the vacuum vessel. The superconducting magnet coil assembly includes a non-conductive cylindrical structure and superconducting coils. A thermally conductive cable is wrapped around the cylindrical structure and coils to form a thermally conductive envelope.

摘要翻译： 用于磁共振成像（MRI）系统的磁体组件包括真空容器，其包括内筒，外筒和连接内筒和外筒的一对锥形凸缘。 内筒由复合材料制成。 外筒和法兰由几个磁段组成，提供具有低涡流的磁通返回路径。 这些段彼此结合在一起并且电绝缘。 容器，热屏蔽和超导磁体线圈组件设置在真空容器内。 超导磁体线圈组件包括非导电圆柱形结构和超导线圈。 导热电缆缠绕在圆柱形结构和线圈周围以形成导热外壳。

公开(公告)号：US07345560B2

公开(公告)日：2008-03-18

申请号：US10682574

申请日：2003-10-10

申请人： Evangelos Trifon Laskaris ,  Liang Li ,  Kathleen Melanie Amm ,  Juliana Chiang Shei ,  Bulent Aksel ,  Mark Gilbert Benz ,  Gerald Burt Kliman ,  Paul Shadworth Thompson ,  Israel Samson Jacobs ,  Harold Jay Patchen

发明人： Evangelos Trifon Laskaris ,  Liang Li ,  Kathleen Melanie Amm ,  Juliana Chiang Shei ,  Bulent Aksel ,  Mark Gilbert Benz ,  Gerald Burt Kliman ,  Paul Shadworth Thompson ,  Israel Samson Jacobs ,  Harold Jay Patchen

IPC分类号： H01F13/00

CPC分类号： H01F41/0253 ,  H01F13/003 ,  Y10T29/49004 ,  Y10T29/49009 ,  Y10T29/4902 ,  Y10T29/49073 ,  Y10T29/49075 ,  Y10T29/49083 ,  Y10T29/49117

摘要： A method of making a permanent magnet body is provided. The method includes providing a first precursor body comprising a plurality of blocks and magnetizing the first precursor body to form a first permanent magnet body. A recoil magnetization pulse may be applied to the permanent magnet body after the magnetization. The precursor body may be heated during magnetization. A power supply containing a battery may be used to energize a pulsed magnet used to magnetize the precursor body.

摘要翻译： 提供一种制造永磁体的方法。 该方法包括提供包括多个块的第一前体体，并使第一前体体磁化以形成第一永磁体。 在磁化之后可以向永磁体施加反冲磁化脉冲。 在磁化期间可以加热前驱体。 可以使用包含电池的电源来激励用于磁化前体体的脉冲磁体。

公开(公告)号：US07023309B2

公开(公告)日：2006-04-04

申请号：US10309139

申请日：2002-12-04

申请人： Evangelos Trifon Laskaris ,  Michael Anthony Palmo ,  Kathleen Melanie Amm ,  Paul Shadforth Thompson

发明人： Evangelos Trifon Laskaris ,  Michael Anthony Palmo ,  Kathleen Melanie Amm ,  Paul Shadforth Thompson

IPC分类号： H01F7/02

CPC分类号： H01F41/0253 ,  H01F13/003

摘要： An imaging apparatus, such as an MRI system, contains at least one layer of soft magnetic material between the yoke and each permanent magnet. This imaging apparatus may be operated without pole pieces due to the presence of the soft magnetic material. The permanent magnets may be fabricated by magnetizing unmagnetized alloy bodies after the unmagnetized alloy bodies have been attached to the yoke.

公开(公告)号：US06525634B2

公开(公告)日：2003-02-25

申请号：US10157965

申请日：2002-05-31

申请人： Evangelos Trifon Laskaris ,  Michael Anthony Palmo ,  Kathleen Melanie Amm ,  Paul Shadforth Thompson

发明人： Evangelos Trifon Laskaris ,  Michael Anthony Palmo ,  Kathleen Melanie Amm ,  Paul Shadforth Thompson

IPC分类号： H01F100

CPC分类号： H01F41/0253 ,  H01F13/003

摘要： An imaging apparatus, such as an MRI system, contains at least one layer of soft magnetic material between the yoke and each permanent magnet. This imaging apparatus may be operated without pole pieces due to the presence of the soft magnetic material. The permanent magnets may be fabricated by magnetizing unmagnetized alloy bodies after the unmagnetized alloy bodies have been attached to the yoke.