CN100421618C - 声学阻尼梯度线圈 - Google Patents

声学阻尼梯度线圈 Download PDF

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Publication number
CN100421618C
CN100421618C CNB2004100562626A CN200410056262A CN100421618C CN 100421618 C CN100421618 C CN 100421618C CN B2004100562626 A CNB2004100562626 A CN B2004100562626A CN 200410056262 A CN200410056262 A CN 200410056262A CN 100421618 C CN100421618 C CN 100421618C
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CN
China
Prior art keywords
gradient coil
coil assembly
damping layer
assembly
imaging apparatus
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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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CNB2004100562626A
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English (en)
Chinese (zh)
Other versions
CN1606961A (zh
Inventor
迈克尔·塞勒斯
托马斯·达比
尼尔·克拉克
安东尼·曼顿
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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Publication of CN1606961A publication Critical patent/CN1606961A/zh
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CNB2004100562626A 2003-08-18 2004-08-06 声学阻尼梯度线圈 Expired - Fee Related CN100421618C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/642,846 US7068033B2 (en) 2003-08-18 2003-08-18 Acoustically damped gradient coil
US10/642,846 2003-08-18

Publications (2)

Publication Number Publication Date
CN1606961A CN1606961A (zh) 2005-04-20
CN100421618C true CN100421618C (zh) 2008-10-01

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CNB2004100562626A Expired - Fee Related CN100421618C (zh) 2003-08-18 2004-08-06 声学阻尼梯度线圈

Country Status (5)

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US (1) US7068033B2 (enExample)
JP (1) JP4630600B2 (enExample)
CN (1) CN100421618C (enExample)
DE (1) DE102004038273A1 (enExample)
GB (1) GB2406382B (enExample)

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US7799410B2 (en) * 2007-06-30 2010-09-21 Serious Materials, Inc. Acoustical sound proofing material with improved damping at select frequencies and methods for manufacturing same
US7914914B2 (en) * 2007-06-30 2011-03-29 Serious Materials, Inc. Low embodied energy sheathing panels with optimal water vapor permeance and methods of making same
US8337993B2 (en) * 2007-11-16 2012-12-25 Serious Energy, Inc. Low embodied energy wallboards and methods of making same
US8590272B2 (en) 2010-06-07 2013-11-26 Georgia-Pacific Gypsum Llc Acoustical sound proofing materials and methods of making the same
US20120025829A1 (en) * 2010-07-27 2012-02-02 General Electric Company Acoustically damped gradient coil
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US8890529B2 (en) * 2011-05-31 2014-11-18 General Electric Company System and apparatus for providing interconnections in a gradient coil assembly
US8474572B2 (en) * 2011-08-25 2013-07-02 General Electric Company Apparatus and method to attenuate vibration and acoustic noise
DE102011082401B4 (de) * 2011-09-09 2015-01-08 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
DE102011082407B4 (de) * 2011-09-09 2015-01-15 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
DE102011082411B4 (de) * 2011-09-09 2015-02-12 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
DE102011082402B4 (de) * 2011-09-09 2015-01-08 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
DE102011082410B4 (de) * 2011-09-09 2015-02-12 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
US9846207B2 (en) 2012-04-30 2017-12-19 Children's Hospital Medical Center Acoustic noise reducing RF coil for magnetic resonance imaging
CN103018691A (zh) * 2012-11-07 2013-04-03 丰盛科技集团有限公司 一种降低梯度线圈振动噪声的磁共振成像设备
US9989605B2 (en) * 2013-11-22 2018-06-05 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus
CN104777441A (zh) * 2015-05-07 2015-07-15 奥泰医疗系统有限责任公司 核磁共振成像系统降噪装置
CN105662416A (zh) * 2016-03-23 2016-06-15 武晓莲 一种心脏核磁共振检查装置及其检查方法
CA2988547C (en) 2016-12-15 2021-01-26 Certainteed Gypsum, Inc. Plaster boards and methods for making them
CA3182566A1 (en) 2017-09-26 2019-04-04 Certainteed Gypsum, Inc. Plaster boards having internal layers and methods for making them
CN111433421B (zh) 2017-09-28 2022-02-15 瑟登帝石膏公司 灰泥板及其制备方法
FI3688245T3 (fi) 2017-09-30 2023-06-14 Certainteed Gypsum Inc Kapenevia kipsilevyjä ja menetelmiä niiden valmistamiseksi
CN112562622B (zh) * 2020-12-11 2022-11-22 哈尔滨工程大学 一种含有梯度变化圆柱空腔的低频吸声覆盖层
CN113077776B (zh) * 2021-03-22 2022-08-02 哈尔滨工程大学 一种内嵌半径梯度变化的球形空腔阵列多频带声学覆盖层

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Also Published As

Publication number Publication date
US20050040825A1 (en) 2005-02-24
DE102004038273A1 (de) 2005-03-10
GB2406382B (en) 2006-05-24
US7068033B2 (en) 2006-06-27
GB2406382A (en) 2005-03-30
GB0418130D0 (en) 2004-09-15
JP2005058773A (ja) 2005-03-10
JP4630600B2 (ja) 2011-02-09
CN1606961A (zh) 2005-04-20

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