MAGNETIC SENSOR
PROBLEM TO BE SOLVED: To provide a magnetic sensor especially excellent in a disturbance magnetic field and strong magnetic field tolerance compared with a conventional one.SOLUTION: In an element part exhibiting a magnetoresistance effect, a first element part 15a and a second element part 15b are...
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| creator | ANDO HIDETO OBANA MASAYUKI |
| description | PROBLEM TO BE SOLVED: To provide a magnetic sensor especially excellent in a disturbance magnetic field and strong magnetic field tolerance compared with a conventional one.SOLUTION: In an element part exhibiting a magnetoresistance effect, a first element part 15a and a second element part 15b are alternately arranged with intervals in the Y direction in the plan view. Permanent magnet layers 14 are disposed between each of the element parts. Magnetoresistive effect elements and non-contact soft magnetic bodies 33 are arranged in the X direction with respect to the magnetoresistive effect elements 13a to 13d in the plan view. The X direction is a sensitivity axial direction P. Each of the permanent magnet layers 14 is magnetized in the X direction. A first bias magnetic field toward the Y2 direction with respect to the first element part 15a is supplied from the permanent magnet layers 14 and the magnetization direction F of a free magnetic layer is directed to the Y2 direction and a second bias magnetic field in an opposite direction to the first bias magnetic field with respect to the second element part 15b is supplied to direct the magnetization direction F of the free magnetic layer to the Y1 direction. |
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Permanent magnet layers 14 are disposed between each of the element parts. Magnetoresistive effect elements and non-contact soft magnetic bodies 33 are arranged in the X direction with respect to the magnetoresistive effect elements 13a to 13d in the plan view. The X direction is a sensitivity axial direction P. Each of the permanent magnet layers 14 is magnetized in the X direction. A first bias magnetic field toward the Y2 direction with respect to the first element part 15a is supplied from the permanent magnet layers 14 and the magnetization direction F of a free magnetic layer is directed to the Y2 direction and a second bias magnetic field in an opposite direction to the first bias magnetic field with respect to the second element part 15b is supplied to direct the magnetization direction F of the free magnetic layer to the Y1 direction.</description><language>eng</language><subject>MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120628&DB=EPODOC&CC=JP&NR=2012122792A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120628&DB=EPODOC&CC=JP&NR=2012122792A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ANDO HIDETO</creatorcontrib><creatorcontrib>OBANA MASAYUKI</creatorcontrib><title>MAGNETIC SENSOR</title><description>PROBLEM TO BE SOLVED: To provide a magnetic sensor especially excellent in a disturbance magnetic field and strong magnetic field tolerance compared with a conventional one.SOLUTION: In an element part exhibiting a magnetoresistance effect, a first element part 15a and a second element part 15b are alternately arranged with intervals in the Y direction in the plan view. 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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | MAGNETIC SENSOR |
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