DE69417546D1 - Einrichtung zur steuerung von squids - Google Patents

Einrichtung zur steuerung von squids

Info

Publication number
DE69417546D1
DE69417546D1 DE69417546T DE69417546T DE69417546D1 DE 69417546 D1 DE69417546 D1 DE 69417546D1 DE 69417546 T DE69417546 T DE 69417546T DE 69417546 T DE69417546 T DE 69417546T DE 69417546 D1 DE69417546 D1 DE 69417546D1
Authority
DE
Germany
Prior art keywords
squids
controlling
controlling squids
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 - Lifetime
Application number
DE69417546T
Other languages
English (en)
Inventor
Mark Colclough
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Conductus Inc
Original Assignee
Conductus Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Conductus Inc filed Critical Conductus Inc
Application granted granted Critical
Publication of DE69417546D1 publication Critical patent/DE69417546D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/035—Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
    • G01R33/0354—SQUIDS
    • G01R33/0356—SQUIDS with flux feedback
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842—Measuring and testing
    • Y10S505/843—Electrical
    • Y10S505/845—Magnetometer
    • Y10S505/846—Magnetometer using superconductive quantum interference device, i.e. squid
DE69417546T 1993-02-02 1994-02-02 Einrichtung zur steuerung von squids Expired - Lifetime DE69417546D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/012,500 US5532592A (en) 1993-02-02 1993-02-02 Squid control apparatus with non-cryogenic flux-locked loop disposed in close proximity to the squid
PCT/US1994/001216 WO1994018576A2 (en) 1993-02-02 1994-02-02 Squid control apparatus

Publications (1)

Publication Number Publication Date
DE69417546D1 true DE69417546D1 (de) 1999-05-06

Family

ID=21755249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417546T Expired - Lifetime DE69417546D1 (de) 1993-02-02 1994-02-02 Einrichtung zur steuerung von squids

Country Status (6)

Country Link
US (1) US5532592A (de)
EP (1) EP0682776B1 (de)
JP (2) JP3359923B2 (de)
AU (1) AU6132694A (de)
DE (1) DE69417546D1 (de)
WO (1) WO1994018576A2 (de)

Families Citing this family (31)

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Publication number Priority date Publication date Assignee Title
JPH08211022A (ja) * 1994-12-05 1996-08-20 Hitachi Ltd 材料検査装置
US5696988A (en) * 1995-10-04 1997-12-09 Ge Fanuc Automation North America, Inc. Current/voltage configurable I/O module having two D/A converters serially coupled together such that data stream flows through the first D/A to the second D/A
DE19615254C2 (de) * 1996-04-18 1999-03-11 Diagnostikforschung Inst Gerät zur höchstempfindlichen magnetischen Detektion von Analyten
US6269262B1 (en) 1997-06-20 2001-07-31 Hitachi, Ltd. Biomagnetic field measuring apparatus
US6437563B1 (en) 1997-11-21 2002-08-20 Quantum Design, Inc. Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes
US6289404B1 (en) * 1998-05-18 2001-09-11 Leviton Manufacturing Co., Inc. Apparatus for and method of placing a node in an unconfigured state
US6448767B1 (en) 2000-06-16 2002-09-10 Honeywell International, Inc. Fast flux locked loop
US6420868B1 (en) 2000-06-16 2002-07-16 Honeywell International Inc. Read-out electronics for DC squid magnetic measurements
US6356078B1 (en) 2000-06-16 2002-03-12 Honeywell International Inc. Frequency multiplexed flux locked loop architecture providing an array of DC SQUIDS having both shared and unshared components
EP1478935B1 (de) * 2002-02-26 2011-08-31 Cardiomag Imaging Sub-picotesla-magnetfelddetektor
US20040189292A1 (en) * 2003-03-25 2004-09-30 Kautz David R. Mechanism for and method of biasing magnetic sensor
US7870825B2 (en) * 2003-07-15 2011-01-18 Special Devices, Incorporated Enhanced method, device, and system for identifying an unknown or unmarked slave device such as in an electronic blasting system
US6988449B2 (en) * 2003-07-15 2006-01-24 Special Devices, Inc. Dynamic baselining in current modulation-based communication
US7617775B2 (en) * 2003-07-15 2009-11-17 Special Devices, Inc. Multiple slave logging device
US6966262B2 (en) * 2003-07-15 2005-11-22 Special Devices, Inc. Current modulation-based communication from slave device
US7017494B2 (en) * 2003-07-15 2006-03-28 Special Devices, Inc. Method of identifying an unknown or unmarked slave device such as in an electronic blasting system
US7091718B1 (en) * 2004-02-27 2006-08-15 Honeywell Federal Manufacturing & Technologies, Llc System having unmodulated flux locked loop for measuring magnetic fields
JP4133934B2 (ja) * 2004-06-03 2008-08-13 独立行政法人科学技術振興機構 Ｓｑｕｉｄ用ダブルカウンタ方式によるヒステリシス特性型ディジタルｆｌｌ装置
WO2008156800A1 (en) * 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
JP5362713B2 (ja) * 2007-06-27 2013-12-11 コミサリア ア レネルジ アトミク 磁気抵抗複合センサにおける低周波ノイズ除去の方法
US8571614B1 (en) 2009-10-12 2013-10-29 Hypres, Inc. Low-power biasing networks for superconducting integrated circuits
US8401600B1 (en) 2010-08-02 2013-03-19 Hypres, Inc. Superconducting multi-bit digital mixer
US9529035B2 (en) * 2011-11-14 2016-12-27 Neocera, Llc Method and system for localization of open defects in electronic devices with a DC squid based RF magnetometer
JP5978310B2 (ja) * 2011-11-14 2016-08-24 ネオセラ リミテッド ライアビリティ カンパニー ２００ＭＨｚ以上の帯域幅で動作するＤＣＳＱＵＩＤベースのＲＦ磁気計
JP2013217914A (ja) * 2012-03-12 2013-10-24 Ferrotec Corp 電流センサ、センサ素子および制御装置
JP5395929B2 (ja) * 2012-06-05 2014-01-22 カヤバ工業株式会社 電圧検出回路
US10222416B1 (en) 2015-04-14 2019-03-05 Hypres, Inc. System and method for array diagnostics in superconducting integrated circuit
US10475983B1 (en) 2018-08-28 2019-11-12 International Business Machines Corporation Antenna-based qubit annealing method
US11050009B2 (en) 2018-08-28 2021-06-29 International Business Machines Corporation Methods for annealing qubits with an antenna chip
US10510943B1 (en) 2018-08-28 2019-12-17 International Business Machines Corporation Structure for an antenna chip for qubit annealing
US10615887B1 (en) * 2018-09-24 2020-04-07 Seagate Technology Llc Mitigation of noise generated by random excitation of asymmetric oscillation modes

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US4004217A (en) * 1975-10-31 1977-01-18 S.H.E. Corporation Flux locked loop
DE3247585A1 (de) * 1982-12-22 1984-06-28 Siemens AG, 1000 Berlin und 8000 München Mehrkanalige vorrichtung zur messung von verschiedenen feldquellen hervorgerufener schwacher magnetfelder
JPS6061665A (ja) * 1983-09-14 1985-04-09 Shimadzu Corp 超伝導磁力計
DE3674665D1 (de) * 1985-07-22 1990-11-08 Siemens Ag Vielkanalige vorrichtung zur messung schwacher magnetfelder.
US4793355A (en) * 1987-04-17 1988-12-27 Biomagnetic Technologies, Inc. Apparatus for process for making biomagnetic measurements
FI83266C (fi) * 1988-09-12 1991-06-10 Teknillinen Korkeakoulu Foerfarande och anordning foer lokalisering av elektroder faestade vid kroppen av en maenniska, i synnerhet huvudet.
JP2738732B2 (ja) * 1988-09-16 1998-04-08 株式会社日立製作所 劣化度予測装置および方法
DE3886044D1 (de) * 1988-09-23 1994-01-13 Siemens Ag Einrichtung und Verfahren zur Messung von schwachen, orts- und zeitabhängigen Magnetfeldern.
EP0401420A1 (de) * 1989-06-05 1990-12-12 Siemens Aktiengesellschaft HF-Abschirmvorrichtung in einem Dewar-Gefäss für eine supraleitende Magnetometer-Einrichtung
JP2807518B2 (ja) * 1989-12-26 1998-10-08 富士通株式会社 超伝導装置
JP2761067B2 (ja) * 1989-12-26 1998-06-04 富士通株式会社 超伝導装置
DE69128162T2 (de) * 1990-03-20 1998-03-12 Fujitsu Ltd Mehrkanaliger Squidflussmesser
JPH0816692B2 (ja) * 1990-09-30 1996-02-21 ダイキン工業株式会社 磁束ロック方法およびその装置
JP2662903B2 (ja) * 1991-02-22 1997-10-15 セイコーインスツルメンツ株式会社 高感度磁場検出装置
US5220921A (en) * 1991-10-25 1993-06-22 Biomagnetic Technologies, Inc. Nonmagnetic tactile stimulator and biomagnetometer utilizing the stimulator

Also Published As

Publication number Publication date
JPH08509546A (ja) 1996-10-08
EP0682776B1 (de) 1999-03-31
US5532592A (en) 1996-07-02
JP2003057324A (ja) 2003-02-26
AU6132694A (en) 1994-08-29
EP0682776A1 (de) 1995-11-22
JP3554556B2 (ja) 2004-08-18
WO1994018576A2 (en) 1994-08-18
WO1994018576A3 (en) 1994-12-22
JP3359923B2 (ja) 2002-12-24

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Legal Events

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8332 No legal effect for de