EP3022569A4 - Application specific integrated circuit with integrated magnetic sensor - Google Patents

Application specific integrated circuit with integrated magnetic sensor Download PDF

Info

Publication number
EP3022569A4
EP3022569A4 EP14826810.5A EP14826810A EP3022569A4 EP 3022569 A4 EP3022569 A4 EP 3022569A4 EP 14826810 A EP14826810 A EP 14826810A EP 3022569 A4 EP3022569 A4 EP 3022569A4
Authority
EP
European Patent Office
Prior art keywords
magnetic sensor
application specific
integrated circuit
specific integrated
integrated
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.)
Withdrawn
Application number
EP14826810.5A
Other languages
German (de)
French (fr)
Other versions
EP3022569A1 (en
Inventor
Stephen Lloyd
Jong IL SHIN
Jongwoo Shin
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.)
InvenSense Inc
Original Assignee
InvenSense 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
Priority claimed from US14/149,779 external-priority patent/US9513346B2/en
Priority claimed from US14/326,926 external-priority patent/US9368550B2/en
Application filed by InvenSense Inc filed Critical InvenSense Inc
Publication of EP3022569A1 publication Critical patent/EP3022569A1/en
Publication of EP3022569A4 publication Critical patent/EP3022569A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/16—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
    • 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
    • G01R33/038—Measuring direction or magnitude of magnetic fields or magnetic flux using permanent magnets, e.g. balances, torsion devices
    • 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
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1207—Testing individual magnetic storage devices, e.g. records carriers or digital storage elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/01—Manufacture or treatment
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/10—Magnetoresistive devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
EP14826810.5A 2013-07-19 2014-07-18 Application specific integrated circuit with integrated magnetic sensor Withdrawn EP3022569A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361856560P 2013-07-19 2013-07-19
US14/149,779 US9513346B2 (en) 2014-01-07 2014-01-07 Magnetic sensors with permanent magnets magnetized in different directions
US14/326,926 US9368550B2 (en) 2013-07-19 2014-07-09 Application specific integrated circuit with integrated magnetic sensor
PCT/US2014/047322 WO2015010105A1 (en) 2013-07-19 2014-07-18 Application specific integrated circuit with integrated magnetic sensor

Publications (2)

Publication Number Publication Date
EP3022569A1 EP3022569A1 (en) 2016-05-25
EP3022569A4 true EP3022569A4 (en) 2017-01-11

Family

ID=55755793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14826810.5A Withdrawn EP3022569A4 (en) 2013-07-19 2014-07-18 Application specific integrated circuit with integrated magnetic sensor

Country Status (3)

Country Link
EP (1) EP3022569A4 (en)
CN (1) CN105579860B (en)
WO (1) WO2015010105A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106229406A (en) * 2016-10-10 2016-12-14 杭州士兰集成电路有限公司 Integrated-type magnetic switch and manufacture method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1411365A2 (en) * 2002-10-18 2004-04-21 Yamaha Corporation Magnetic sensor and manufacturing method therefor
US20060007728A1 (en) * 2004-06-21 2006-01-12 Honeywell International Inc. Nonvolatile memory vertical ring bit and write-read structure
CN102565727A (en) * 2012-02-20 2012-07-11 江苏多维科技有限公司 Magnetic resistance sensor for measuring magnetic field
CN202421483U (en) * 2011-04-06 2012-09-05 江苏多维科技有限公司 Single-chip push-pull bridge-type magnetic field sensor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5843589A (en) * 1995-12-21 1998-12-01 Hitachi, Ltd. Magnetic layered material, and magnetic sensor and magnetic storage/read system based thereon
JP2001217482A (en) * 2000-02-03 2001-08-10 Fujitsu Ltd Magnetic sensor and magnetic storage device using the same
JP3807254B2 (en) * 2001-05-30 2006-08-09 ソニー株式会社 Magnetoresistive effect element, magnetoresistive effect type magnetic sensor, and magnetoresistive effect type magnetic head
US6689622B1 (en) * 2002-04-26 2004-02-10 Micron Technology, Inc. Magnetoresistive memory or sensor devices having improved switching properties and method of fabrication
US6999339B2 (en) * 2003-04-22 2006-02-14 Micron Technology, Inc. Integrated circuit including sensor to sense environmental data, method of compensating an MRAM integrated circuit for the effects of an external magnetic field, MRAM integrated circuit, and method of testing
JP4557134B2 (en) * 2004-03-12 2010-10-06 ヤマハ株式会社 Manufacturing method of magnetic sensor, magnet array used in manufacturing method of magnetic sensor, and manufacturing method of magnetic array
US8686525B2 (en) * 2009-03-25 2014-04-01 Toroku University Magnetic sensor and magnetic memory
US8257596B2 (en) * 2009-04-30 2012-09-04 Everspin Technologies, Inc. Two-axis magnetic field sensor with substantially orthogonal pinning directions
CN202083786U (en) * 2011-01-07 2011-12-21 江苏多维科技有限公司 Film magnetoresistance sensing element, combination of a plurality of sensing elements, and electronic device coupled with combination

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1411365A2 (en) * 2002-10-18 2004-04-21 Yamaha Corporation Magnetic sensor and manufacturing method therefor
US20060007728A1 (en) * 2004-06-21 2006-01-12 Honeywell International Inc. Nonvolatile memory vertical ring bit and write-read structure
CN202421483U (en) * 2011-04-06 2012-09-05 江苏多维科技有限公司 Single-chip push-pull bridge-type magnetic field sensor
CN102565727A (en) * 2012-02-20 2012-07-11 江苏多维科技有限公司 Magnetic resistance sensor for measuring magnetic field
EP2818884A1 (en) * 2012-02-20 2014-12-31 Jiangsu Multidimensional Technology Co., Ltd Magneto-resistive sensor for measuring magnetic field

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015010105A1 *

Also Published As

Publication number Publication date
CN105579860B (en) 2019-10-08
WO2015010105A1 (en) 2015-01-22
CN105579860A (en) 2016-05-11
EP3022569A1 (en) 2016-05-25

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20160215

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AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20161212

RIC1 Information provided on ipc code assigned before grant

Ipc: H01L 27/22 20060101ALI20161202BHEP

Ipc: G01R 33/038 20060101ALI20161202BHEP

Ipc: H01L 43/12 20060101ALI20161202BHEP

Ipc: G01D 5/16 20060101AFI20161202BHEP

Ipc: G01R 33/02 20060101ALI20161202BHEP

Ipc: H01L 43/08 20060101ALI20161202BHEP

Ipc: G01R 33/12 20060101ALI20161202BHEP

Ipc: G01R 33/09 20060101ALI20161202BHEP

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Effective date: 20170718