ATE552488T1 - Gmr-biosensor mit erhöhter empfindlichkeit - Google Patents

Gmr-biosensor mit erhöhter empfindlichkeit

Info

Publication number
ATE552488T1
ATE552488T1 AT07392003T AT07392003T ATE552488T1 AT E552488 T1 ATE552488 T1 AT E552488T1 AT 07392003 T AT07392003 T AT 07392003T AT 07392003 T AT07392003 T AT 07392003T AT E552488 T1 ATE552488 T1 AT E552488T1
Authority
AT
Austria
Prior art keywords
layer
pinned
layers
free
magnetic
Prior art date
Application number
AT07392003T
Other languages
English (en)
Inventor
Po-Kang Wang
Shi Xizeng
Chyu-Jiuh Torng
Original Assignee
Magic Technologies Inc
Applied Spintronics 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 Magic Technologies Inc, Applied Spintronics Inc filed Critical Magic Technologies Inc
Application granted granted Critical
Publication of ATE552488T1 publication Critical patent/ATE552488T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0052—Manufacturing aspects; Manufacturing of single devices, i.e. of semiconductor magnetic sensor chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/74—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids
    • G01N27/745—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids for detecting magnetic beads used in biochemical assays
    • 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
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
    • G01R33/05—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle in thin-film element
    • 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
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • 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
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/098—Magnetoresistive devices comprising tunnel junctions, e.g. tunnel magnetoresistance sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/01—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • Y10T29/49986—Subsequent to metal working

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Nanotechnology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Steroid Compounds (AREA)
AT07392003T 2006-08-01 2007-07-30 Gmr-biosensor mit erhöhter empfindlichkeit ATE552488T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/497,162 US8133439B2 (en) 2006-08-01 2006-08-01 GMR biosensor with enhanced sensitivity

Publications (1)

Publication Number Publication Date
ATE552488T1 true ATE552488T1 (de) 2012-04-15

Family

ID=38566973

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07392003T ATE552488T1 (de) 2006-08-01 2007-07-30 Gmr-biosensor mit erhöhter empfindlichkeit

Country Status (4)

Country Link
US (4) US8133439B2 (de)
EP (3) EP1884763B1 (de)
JP (3) JP5654193B2 (de)
AT (1) ATE552488T1 (de)

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US8248100B2 (en) * 2010-04-19 2012-08-21 Grandis, Inc. Method and system for providing spin transfer based logic devices
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DE102012210598A1 (de) * 2012-06-22 2013-12-24 Siemens Aktiengesellschaft Verfahren und Anordnung zur Detektion von Zellen in einer Zellsuspension
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CN107921442A (zh) * 2015-06-24 2018-04-17 奥本大学 使用磁致伸缩传感器的电磁流体过滤器
CN108780067A (zh) * 2016-03-28 2018-11-09 Tdk株式会社 生物传感器和生物芯片
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JP6860007B2 (ja) * 2016-03-28 2021-04-14 Tdk株式会社 化学センサ
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US10060880B2 (en) 2016-09-15 2018-08-28 Qualcomm Incorporated Magnetoresistive (MR) sensors employing dual MR devices for differential MR sensing
DE102017130033B4 (de) * 2017-12-14 2024-02-22 Universität Bielefeld Detektionsvorrichtung und Verfahren zur Detektion von magnetischen Partikeln in Schmierstoffen
JP6717442B2 (ja) * 2018-01-25 2020-07-01 株式会社村田製作所 磁気センサおよび電流センサ
US11609208B2 (en) 2019-04-12 2023-03-21 Western Digital Technologies, Inc. Devices and methods for molecule detection based on thermal stabilities of magnetic nanoparticles
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WO2021250924A1 (ja) 2020-06-11 2021-12-16 株式会社村田製作所 磁気センサチップおよび磁気センサ装置
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Also Published As

Publication number Publication date
EP2390650B1 (de) 2013-07-17
EP1884763A3 (de) 2009-01-21
US10203379B2 (en) 2019-02-12
US8133439B2 (en) 2012-03-13
JP2013167632A (ja) 2013-08-29
US20160363635A1 (en) 2016-12-15
JP5654193B2 (ja) 2015-01-14
JP2014240847A (ja) 2014-12-25
US8728825B2 (en) 2014-05-20
EP2390651A1 (de) 2011-11-30
JP5826903B2 (ja) 2015-12-02
US20080032423A1 (en) 2008-02-07
US9429544B2 (en) 2016-08-30
US20120169332A1 (en) 2012-07-05
EP1884763A2 (de) 2008-02-06
EP1884763B1 (de) 2012-04-04
JP5680687B2 (ja) 2015-03-04
EP2390651B1 (de) 2016-02-10
EP2390651B8 (de) 2016-03-16
JP2008039782A (ja) 2008-02-21
US20120169331A1 (en) 2012-07-05
EP2390650A1 (de) 2011-11-30

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