JP7178560B2 - 磁気センサ - Google Patents
磁気センサ Download PDFInfo
- Publication number
- JP7178560B2 JP7178560B2 JP2019522112A JP2019522112A JP7178560B2 JP 7178560 B2 JP7178560 B2 JP 7178560B2 JP 2019522112 A JP2019522112 A JP 2019522112A JP 2019522112 A JP2019522112 A JP 2019522112A JP 7178560 B2 JP7178560 B2 JP 7178560B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic sensor
- magnetoresistive element
- signal
- detection
- circuit
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 307
- 239000000758 substrate Substances 0.000 claims description 62
- 239000010410 layer Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 1
- 238000012937 correction Methods 0.000 description 91
- 239000011347 resin Substances 0.000 description 68
- 229920005989 resin Polymers 0.000 description 68
- 238000010586 diagram Methods 0.000 description 42
- 230000007246 mechanism Effects 0.000 description 30
- 230000033001 locomotion Effects 0.000 description 28
- 230000004048 modification Effects 0.000 description 25
- 238000012986 modification Methods 0.000 description 25
- 238000007789 sealing Methods 0.000 description 23
- 238000006073 displacement reaction Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 230000007935 neutral effect Effects 0.000 description 12
- 230000005856 abnormality Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 230000002441 reversible effect Effects 0.000 description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 238000007373 indentation Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
- G01R33/072—Constructional adaptation of the sensor to specific applications
-
- 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
-
- 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
-
- 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
- G01D3/0365—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves the undesired influence being measured using a separate sensor, which produces an influence related signal
-
- 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
- G01D5/142—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 using Hall-effect devices
- G01D5/145—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 using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- 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
- G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
-
- 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
- G01R33/091—Constructional adaptation of the sensor to specific applications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3135—Double encapsulation or coating and encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/03—Manufacturing methods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L24/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L24/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/07—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/18—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different subgroups of the same main group of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N52/00—Hall-effect devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/04042—Bonding areas specifically adapted for wire connectors, e.g. wirebond pads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0555—Shape
- H01L2224/05552—Shape in top view
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
- H01L2224/0605—Shape
- H01L2224/06051—Bonding areas having different shapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
- H01L2224/061—Disposition
- H01L2224/0612—Layout
- H01L2224/0613—Square or rectangular array
- H01L2224/06131—Square or rectangular array being uniform, i.e. having a uniform pitch across the array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
- H01L2224/061—Disposition
- H01L2224/0612—Layout
- H01L2224/0616—Random array, i.e. array with no symmetry
- H01L2224/06164—Random array, i.e. array with no symmetry covering only portions of the surface to be connected
- H01L2224/06165—Covering only the peripheral area of the surface to be connected, i.e. peripheral arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/2919—Material with a principal constituent of the material being a polymer, e.g. polyester, phenolic based polymer, epoxy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32104—Disposition relative to the bonding area, e.g. bond pad
- H01L2224/32105—Disposition relative to the bonding area, e.g. bond pad the layer connector connecting bonding areas being not aligned with respect to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32104—Disposition relative to the bonding area, e.g. bond pad
- H01L2224/32106—Disposition relative to the bonding area, e.g. bond pad the layer connector connecting one bonding area to at least two respective bonding areas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32135—Disposition the layer connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/32145—Disposition the layer connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being stacked
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32245—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/33—Structure, shape, material or disposition of the layer connectors after the connecting process of a plurality of layer connectors
- H01L2224/331—Disposition
- H01L2224/3318—Disposition being disposed on at least two different sides of the body, e.g. dual array
- H01L2224/33181—On opposite sides of the body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48145—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being stacked
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4912—Layout
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4912—Layout
- H01L2224/49171—Fan-out arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73215—Layer and wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/91—Methods for connecting semiconductor or solid state bodies including different methods provided for in two or more of groups H01L2224/80 - H01L2224/90
- H01L2224/92—Specific sequence of method steps
- H01L2224/922—Connecting different surfaces of the semiconductor or solid-state body with connectors of different types
- H01L2224/9222—Sequential connecting processes
- H01L2224/92242—Sequential connecting processes the first connecting process involving a layer connector
- H01L2224/92247—Sequential connecting processes the first connecting process involving a layer connector the second connecting process involving a wire connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49575—Assemblies of semiconductor devices on lead frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/33—Structure, shape, material or disposition of the layer connectors after the connecting process of a plurality of layer connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L24/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
-
- 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
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N59/00—Integrated devices, or assemblies of multiple devices, comprising at least one galvanomagnetic or Hall-effect element covered by groups H10N50/00 - H10N52/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
(磁気センサ)
図1は、第1の実施の形態にかかる磁気センサのブロック図である。
図2Aは、磁気センサ100を用いた回転検出装置150(第1の回転検出装置)の模式図である。
図2Bは、図2Aに示す回転検出装置150を用いた制御システムの一例を示す模式図である。
図2C、図2Dは、磁気センサ100を用いた、図2Aとは異なる回転検出装置150B(第2の回転検出装置)の模式図である。図中のZ軸は回転軸144の延びる方向に一致する。X軸及びY軸は、Z軸に垂直であり、検知対象磁石142の中心を通る。図2Cは、Y軸方向からみた模式図であり、図2Dは、Z軸方向からみた模式図である。
なお、回転検出装置150または回転検出装置150Bにおいて、検知対象磁石142は図2Eおよび図2Fに示すように、2つに分割されていても構わない。すなわち、「検知対象磁石142の第1面142a側がS極、である。検知対象磁石142の第2面142b側がN極、である」と記載したが、この文中における、検知対象磁石142は図2Eおよび図2Fのような構成も含む。なお、図中のZ軸は回転軸144の延びる方向に一致する。X軸及びY軸は、Z軸に垂直であり、検知対象磁石142の中心を通る。図2Eは、Y軸方向からみた模式図であり、図2Fは、Z軸方向からみた模式図である。
(第1の動作、イグニッションオン時)
図3は、本実施の形態の磁気センサ100が備える磁気センサ100の動作(第1の動作)を説明する図である。図3は、イグニッションオン(以下、「IGon」と表記する場合がある)の間において磁気センサ100がステアリングの動きを検出する動作を説明する為のフローチャートである。
図4は、本実施の形態の磁気センサ100の別の動作(第2の動作)を説明する図である。図4は、イグニッションオフ(以下、「IGoff」と表記する場合がある)の間において磁気センサ100がステアリングの動きを検出する動作を説明する為のフローチャートである。
図5は、本実施の形態の磁気センサが備える検出回路10の更に別の動作(第3の動作)を説明する図である。図5は、イグニッションオフの間において磁気センサ100の各ホール素子がステアリングの動きを検出する動作を説明する為の波形図である。
図6は、本実施の形態の磁気センサ100が回転を検出する方法を説明する図である。図6は、イグニッションオフの間において検出回路10の各磁気抵抗素子がステアリングの動きを検出する動作を説明する為の波形図である。
図7Aおよび図7Bは、本実施の形態の磁気センサ100が備える検出回路10の更に別の動作(第4の動作)を説明する図である。図7Aは、検出回路10が磁気抵抗素子12からの出力を補正する動作を説明するための図であり、図7Aは、自動補正回路70eの動作を説明するフローチャート、図7Bは、補正の動作を説明する概念図である。
(磁気センサ)
図8は、第2の実施の形態の磁気センサを示すブロック図である。以下、図8に示す磁気センサについて説明する。
図9は、磁気センサ100の上面図である。図10は、磁気センサ100の正面図である。図9では一部の構成を省略している。図9では、検出回路10を設ける回路基板に平行な方向の磁界を検出する縦型ホール素子を用いる場合の磁気センサ100が記載されている。なお、以下の説明において、正弦第1磁気抵抗素子12a~12dを総称して「第1磁気抵抗素子群12i」、余弦第1磁気抵抗素子12e~12hを総称して「第2磁気抵抗素子群12j」と記載する場合がある。
図11は、本実施の形態の第1変形例にかかる磁気センサ100aの正面図である。図12は、この磁気センサ100aの上面図である。図12では一部の構成を省略している。なお、以下の説明において、磁気抵抗素子121が有する正弦第1磁気抵抗素子12a~正弦第4磁気抵抗素子12dを総称して「第1磁気抵抗素子群121a」、磁気抵抗素子121が有する余弦第1磁気抵抗素子12e~余弦第4磁気抵抗素子12hを総称して「第2磁気抵抗素子群121b」と記載する場合がある。同様に、磁気抵抗素子122が有する正弦第1磁気抵抗素子12a~正弦第4磁気抵抗素子12dを総称して「第1磁気抵抗素子群122a」、磁気抵抗素子122が有する余弦第1磁気抵抗素子12e~余弦第4磁気抵抗素子12hを総称して「第2磁気抵抗素子群122b」と記載する場合がある。なお、検出回路10aを「第1回路基板」、検出回路10bを「第2回路基板」と記載する場合がある。
図13は、本実施の形態の第2変形例にかかる磁気センサ100bの正面図である。
図17は、図8にかかる磁気センサにおける磁気抵抗素子の正面図であり、図18は、図17のXVIII-XVIII線における断面図である。
(磁気センサ)
図19A~Cは、第3の実施の形態にかかる磁気センサ100dを示す図である。図19Aは磁気センサ100dの上面図、図19Bは磁気センサ100dの正面図、図19Cは磁気センサ100dの側面図、を示している。
図20A、B、図21A、Bは、本実施の形態の磁気センサを用いて物体の直線変位を検出する場合の検出動作を説明する図である。図20A、Bは磁気センサ100の左側に直線変位を検知される磁石がある場合、図21A、Bは磁気センサ100の右側に直線変位を検知される磁石がある場合、をそれぞれ示している。
図22は、本実施の形態の磁気センサ100を用いた検出装置230の模式図である。検出装置230、ケース231、ガイド232、検知対象磁石233シャフト234(シャフト234はシフトレバーとも記載され得る)と、磁気センサ100と、を備える。
まず、図25に示されるように、磁気センサ100eのダイパッド130a、ダイパッド130bは、連結部251により繋がっている。
図33は、第4の実施の形態にかかる(位置)検出装置260の斜視図である。図34Aは、検出装置260の一部の上面図である。なお、図34Aでは説明に不要な構成を適宜省略して記載している。図34Aにおいて、(a)は検出装置260の一部の上面を示す図であり、(b)はリンク機構263およびシャフト264の拡大図であり、(c)は検知対象磁石268の拡大図である。
図34Bは、本実施の形態の第1変形例にかかる(位置)検出装置290の斜視図である。図34Cは、検出装置290の一部の上面図である。なお、図34Cでは説明に不要な構成を適宜省略して記載している。
図34Dは、本実施の形態の第2変形例にかかる(位置)検出装置292の斜視図である。図34Eは、検出装置292の一部の上面図である。なお、図34Dでは説明に不要な構成を適宜省略して記載している。
図34Fは、本実施の形態の第3変形例にかかる(位置)検出装置296の斜視図である。図34Gは、検出装置296の一部の上面図である。なお、図34Fでは説明に不要な構成を適宜省略して記載している。
図35は、本実施の形態の第4変形例にかかる磁気センサ100gの正面図である。
図36は、本実施の形態の第5変形例にかかる磁気センサ100hの正面図である。以下、図35の磁気センサ100gとの違いを中心に説明する。
図37は、本実施の形態の第6変形例にかかる磁気センサ100iの正面図である。以下、図35の磁気センサ100gとの違いを中心に説明する。
図38は、本実施の形態の第7変形例にかかる磁気センサ100jの正面図である。磁気抵抗素子121、122の中と検出回路10a、10bの中心とが一致する点で図35の磁気センサ100gと異なっている。
図39は、本実施の形態の第8変形例にかかる磁気センサ100kの正面図である。磁気抵抗素子121、122の中と検出回路10a、10bの中心とが一致する点で図35の磁気センサ100gと異なっている。
図40は、本実施の形態の第9変形例にかかる磁気センサ100lの正面図である。磁気抵抗素子121、122の中と検出回路10a、10bの中心とが一致する点で図35の磁気センサ100gと異なっている。
12 磁気抵抗素子
12a 正弦第1磁気抵抗素子
12b 正弦第2磁気抵抗素子
12c 正弦第3磁気抵抗素子
12d 正弦第4磁気抵抗素子
12e 余弦第1磁気抵抗素子
12f 余弦第2磁気抵抗素子
12g 余弦第3磁気抵抗素子
12h 余弦第4磁気抵抗素子
12i 第1磁気抵抗素子群
12j 第2磁気抵抗素子群
14a 第1増幅器
14b 第2増幅器
14c 第3増幅器
14d 第4増幅器
15 オフセット調整回路
16a 第1差動増幅器
16b 第2差動増幅器
17 ゲイン調整回路
18a 第1AD変換器
18b 第2AD変換器
40a 第1ホール素子
40b 第2ホール素子
42a 第1増幅器
42b 第2増幅器
44a 第1コンパレーター
44b 第2コンパレーター
60a 第3レギュレータ
60b 第1レギュレータ
60c 第2レギュレータ
70 演算回路
70a 角度検出回路
70b 回転数検出回路
70c オフセット温度特性補正回路
70d ゲイン温度特性補正回路
70e 自動補正回路
80a 第1オシレータ
80b 第2オシレータ
80c メモリ
80d 温度センサ
80e インタラプトジェネレータ
90 診断回路A
91 診断回路B
100、100a、100b、100d、100e、100g、100h、100i、100j、100k、100l 磁気センサ
100a1 配線
100a2 配線
100a3 配線
100a4 配線
100b1 配線
100b2 配線
100b3 配線
100b4 配線
121、122 磁気抵抗素子
121a、122a 第1磁気抵抗素子群
121b、122b 第2磁気抵抗素子群
126a 第1電極群
126b 第2電極群
127a 第3電極群
127b 第4電極群
130、130a、130b ダイパッド
132、132a、132b リード
134、134a、134b ワイヤ
136 部分
138 封止樹脂
142 検知対象磁石
142a 第1面
142b 第2面
144 回転軸
146 軸受け
150、150b 回転検出装置
152 ステアリングホイール
154 操舵トルク
156 トルクセンサ
158 モータ
160 ECU
181 シリコン基板
183 第1保護層
184 第2保護層
185 MR層
187 Ti層
189 配線層
201a 第1基板
201b 第2基板
201b1 第1部分
201b2 第2部分
201c 第3基板
201c1 第1部分
201c2 第2部分
201d 第4基板
201d1 第1部分
201d2 第2部分
203 電極
230、260、290、292、296 検出装置
231 ケース
232 ガイド
233 検知対象磁石
234 シャフト
236 スリット
251 連結部
261 ケース
262 ガイド
263 リンク機構
263a 支持部
263b 第1可動体
263c ベルト
263d 第2可動体
264 シャフト
266 スリット
268 検知対象磁石
270 歯車
272 シャフト
274 基板
281 支持部
291 タイバー
321 第1面
323 第2面
325 第3面
327 第4面
351 第1樹脂
352 第2樹脂
353 第3樹脂
Claims (5)
- 第1検出信号を出力する第1磁気検出素子と、
第2検出信号を出力する第2磁気検出素子と、
前記第1、第2検出信号が入力される検出回路と、を備え、
前記検出回路は、
前記第1検出信号と前記第2検出信号とを変換して第3信号を出力し、
nを自然数として、前記第3信号の(1/16n)周期の区間毎に前記第1信号を補正する磁気センサ。 - 前記検出回路は、前記第1信号と前記第2信号とに対してarctan演算を行うことで前記第3信号を生成する請求項1記載の磁気センサ。
- 前記第1磁気検出素子と、前記第2磁気検出素子とは、NiFe合金からなる磁気抵抗膜である請求項1記載の磁気センサ。
- 前記第1磁気検出素子と、前記第2磁気検出素子とのそれぞれは、
基板と、
前記基板の上に設けられるNiFe合金からなる磁気抵抗膜と、
前記磁気抵抗膜を保護する保護膜と、からなる請求項1記載の磁気センサ。 - シリコン基板と、
前記シリコン基板の上に設けられる酸化シリコン層と、を更に備え、
前記第1磁気検出素子および前記第2磁気検出素子は、それぞれ前記酸化シリコン層の上に形成され、
前記第1磁気検出素子と、前記第2磁気検出素子とのそれぞれは、NiFe合金からなる磁気抵抗膜であり、
前記磁気抵抗膜を覆う保護層を有する請求項1記載の磁気センサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017105309 | 2017-05-29 | ||
JP2017105309 | 2017-05-29 | ||
PCT/JP2018/019216 WO2018221260A1 (ja) | 2017-05-29 | 2018-05-18 | 磁気センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018221260A1 JPWO2018221260A1 (ja) | 2020-03-26 |
JP7178560B2 true JP7178560B2 (ja) | 2022-11-28 |
Family
ID=64455334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019522112A Active JP7178560B2 (ja) | 2017-05-29 | 2018-05-18 | 磁気センサ |
Country Status (4)
Country | Link |
---|---|
US (1) | US20200064416A1 (ja) |
JP (1) | JP7178560B2 (ja) |
CN (1) | CN110678714B (ja) |
WO (1) | WO2018221260A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6485491B2 (ja) | 2017-06-08 | 2019-03-20 | Tdk株式会社 | 磁気センサ及びカメラモジュール |
JP7285412B2 (ja) * | 2019-03-07 | 2023-06-02 | パナソニックIpマネジメント株式会社 | 磁気センサ |
JP2022074174A (ja) * | 2019-03-18 | 2022-05-18 | アルプスアルパイン株式会社 | 回転角度検出装置及び回転シフタ |
JP7172797B2 (ja) * | 2019-03-28 | 2022-11-16 | 株式会社デンソー | 検出ユニット |
TWI761072B (zh) * | 2021-02-08 | 2022-04-11 | 經登企業股份有限公司 | 磁性線性位置感應器 |
CN118500486A (zh) * | 2024-07-17 | 2024-08-16 | 微传智能科技(常州)有限公司 | 一种磁计量芯片与计量方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006194861A (ja) | 2004-12-16 | 2006-07-27 | Alps Electric Co Ltd | 角度検出センサの補償値算出方法及びこれを用いた角度検出センサ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4194484B2 (ja) * | 2003-12-16 | 2008-12-10 | アルプス電気株式会社 | 角度検出センサ |
CN100414255C (zh) * | 2004-12-16 | 2008-08-27 | 阿尔卑斯电气株式会社 | 角度检测传感器的补偿值计算方法以及使用其的角度检测传感器 |
JP2006220530A (ja) * | 2005-02-10 | 2006-08-24 | Matsushita Electric Ind Co Ltd | 絶対回転角度検出装置 |
KR100792667B1 (ko) * | 2006-04-04 | 2008-01-09 | 대성전기공업 주식회사 | 휠 각도 센서 에러 보정방법 |
JP4799653B2 (ja) * | 2009-09-15 | 2011-10-26 | 株式会社東芝 | ロータ位置検出装置 |
JP5110134B2 (ja) * | 2010-08-30 | 2012-12-26 | Tdk株式会社 | 回転磁界センサ |
JP5177197B2 (ja) * | 2010-10-13 | 2013-04-03 | Tdk株式会社 | 回転磁界センサ |
TWI443360B (zh) * | 2011-02-22 | 2014-07-01 | Voltafield Technology Corp | 磁阻感測器及其製造方法 |
CN103454607B (zh) * | 2012-05-29 | 2016-02-17 | 上海汽车集团股份有限公司 | 磁场传感器信号的校正方法和基于该方法的车辆导航系统 |
JP6191838B2 (ja) * | 2015-03-09 | 2017-09-06 | Tdk株式会社 | 磁気センサ |
CN205384031U (zh) * | 2016-01-15 | 2016-07-13 | 中工科安科技有限公司 | 一种磁阻式旋转变压器的信号校正电路 |
-
2018
- 2018-05-18 CN CN201880033378.8A patent/CN110678714B/zh active Active
- 2018-05-18 US US16/612,417 patent/US20200064416A1/en not_active Abandoned
- 2018-05-18 WO PCT/JP2018/019216 patent/WO2018221260A1/ja active Application Filing
- 2018-05-18 JP JP2019522112A patent/JP7178560B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006194861A (ja) | 2004-12-16 | 2006-07-27 | Alps Electric Co Ltd | 角度検出センサの補償値算出方法及びこれを用いた角度検出センサ |
Also Published As
Publication number | Publication date |
---|---|
WO2018221260A1 (ja) | 2018-12-06 |
JPWO2018221260A1 (ja) | 2020-03-26 |
CN110678714A (zh) | 2020-01-10 |
CN110678714B (zh) | 2021-11-26 |
US20200064416A1 (en) | 2020-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7178560B2 (ja) | 磁気センサ | |
JP2018151180A (ja) | シフト位置検出装置 | |
JP6561330B2 (ja) | 回転検出装置及びその補正方法 | |
US10759276B2 (en) | Magnetic sensor and detection device using same | |
US20220099761A1 (en) | Redudant magnetic field sensor arrangement for error detection and method for detecting errors while measuring an external magnetic field using redundant sensing | |
JP6359079B2 (ja) | 外部磁界に対して鈍感なホールセンサ | |
JP6741913B2 (ja) | 磁気センサこれを用いた回転検出装置 | |
US7358719B2 (en) | Rotational angle detector | |
US8453518B2 (en) | Inductive torque sensor | |
CN105222812A (zh) | 具有三个半桥结构的传感器系统 | |
JP2012141217A (ja) | 回転センサ | |
JP2018146483A (ja) | 磁気センサ | |
WO2008056793A1 (fr) | Appareil de détermination de l'angle de rotation | |
JP7178540B2 (ja) | 磁気センサ | |
JP6455314B2 (ja) | 回転検出装置 | |
JP2018115890A (ja) | シフト位置検出装置 | |
JP2018146315A (ja) | 回転検出装置 | |
JP2021055999A (ja) | 磁気センサ | |
KR101622723B1 (ko) | 차량의 조향인식을 위한 센서 보정장치 | |
JP5428625B2 (ja) | 回転角度検出装置 | |
JP2006275558A (ja) | 絶対回転角検出機能付きトルク検出装置 | |
JP4429986B2 (ja) | 回転センサ | |
JP4230249B2 (ja) | スロットル開度検知装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210428 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220510 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220701 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20221004 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20221017 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 7178560 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |