JP2015514207A - 一体的強磁性材料を有する磁場センサ集積回路 - Google Patents
一体的強磁性材料を有する磁場センサ集積回路 Download PDFInfo
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- JP2015514207A JP2015514207A JP2015501676A JP2015501676A JP2015514207A JP 2015514207 A JP2015514207 A JP 2015514207A JP 2015501676 A JP2015501676 A JP 2015501676A JP 2015501676 A JP2015501676 A JP 2015501676A JP 2015514207 A JP2015514207 A JP 2015514207A
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Classifications
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- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0047—Housings or packaging of magnetic sensors ; Holders
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/82—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by variation of the magnetic field applied to the device
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- 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
- G01D5/147—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 movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0011—Arrangements or instruments for measuring magnetic variables comprising means, e.g. flux concentrators, flux guides, for guiding or concentrating the magnetic flux, e.g. to the magnetic sensor
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- 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
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- 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
- H10N50/80—Constructional details
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- 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
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/40—Position sensors comprising arrangements for concentrating or redirecting magnetic flux
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/207—Constructional details independent of the type of device used
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- 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
- H01L2224/45138—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 the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
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- H—ELECTRICITY
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- 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
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
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- 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
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- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
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- 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
- H01L2224/48257—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 die pad of the item
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- 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
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- 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
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00011—Not relevant to the scope of the group, the symbol of which is combined with the symbol of this group
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00014—Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
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- H01—ELECTRIC ELEMENTS
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- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19105—Disposition of discrete passive components in a side-by-side arrangement on a common die mounting substrate
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Computer Hardware Design (AREA)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Abstract
Description
Claims (86)
- 第1の表面および第2の対向する表面を有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料であって、前記リードフレームの近位の第1の端部から、前記リードフレームから遠位の第2の端部までテーパにされ、前記非導電性モールド材料および前記強磁性モールド材料の少なくとも一方が、前記非導電性モールド材料および前記強磁性モールド材料の他方の1つと係合するための固定機構を備える、強磁性モールド材料と備える、磁場センサ。 - 前記強磁性モールド材料が、バイアス磁石を形成するために硬質の強磁性材料を含む、請求項1に記載の磁場センサ。
- 前記硬質の強磁性材料が、フェライト、SmCo合金、NdFeB合金、硬質の磁気粒子を備えた熱可塑性ポリマー、または硬質の磁気粒子を備えた熱硬化性ポリマーの少なくとも一つを含む、請求項2に記載の磁場センサ。
- 前記強磁性モールド材料が、集中器を形成するために軟質の強磁性材料を含む、請求項1に記載の磁場センサ。
- 前記軟質の強磁性材料が、NiFe、Ni、Ni合金、鋼、またはフェライトの少なくとも一つを含む、請求項4に記載の磁場センサ。
- 前記強磁性モールド材料が、前記強磁性モールド材料の前記第1の端部の近傍から前記強磁性モールド材料の前記第2の端部まで延びる不連続の中央領域を有する、請求項1に記載の磁場センサ。
- 前記強磁性モールド材料が、ほぼD字形状、O字形状、U字形状、またはC字形状の構造を形成する、請求項6に記載の磁場センサ。
- 前記非導電性モールド材料が、前記強磁性モールド材料の前記中央領域内に延びる突起部を含む、請求項6に記載の磁場センサ。
- 前記突起部が、前記強磁性モールド材料の前記第1の端部の近傍から前記強磁性モールド材料の前記第2の端部まで延びる、請求項8に記載の磁場センサ。
- 前記突起部が、前記強磁性モールド材料の前記第1の端部の近傍から延びて前記強磁性モールド材料の前記第2の端部の手前で終端し、前記強磁性モールド材料は前記突起部を覆う、請求項9に記載の磁場センサ。
- 前記強磁性モールド材料の前記中央領域内に配設されそこに固定された第3のモールド材料であって、軟質の強磁性材料からなる、第3のモールド材料をさらに含む、請求項6に記載の磁場センサ。
- 熱硬化性接着剤をさらに含み、前記強磁性モールド材料が、前記熱硬化性接着剤を用いて前記非導電性モールド材料の一部分に固定される、請求項1に記載の磁場センサ。
- 第1の表面および第2の対向する表面を有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料であって、前記リードフレームの近位の第1の端部から、前記リードフレームから遠位の第2の端部まで延びる不連続の中央領域を含む、強磁性モールド材料とを備える、磁場センサ。 - 前記強磁性モールド材料が、前記非導電性モールド材料の一部分と、前記非導電性モールド材料を超えて延びる前記リードフレームの第2の部分とに固定される、請求項13に記載の磁場センサ。
- 前記強磁性モールド材料が、硬質の強磁性材料である、請求項13に記載の磁場センサ。
- 前記硬質の強磁性材料が、フェライト、SmCo合金、NdFeB合金、硬質の磁気粒子を備えた熱可塑性ポリマー、または硬質の磁気粒子を備えた熱硬化性ポリマーの少なくとも一つを含む、請求項15に記載の磁場センサ。
- 前記非導電性モールド材料が、前記強磁性モールド材料の前記不連続の中央領域内に延びる突起部を含む、請求項13に記載の磁場センサ。
- 前記突起部が、前記強磁性モールド材料の前記第1の端部の近傍から前記強磁性モールド材料の前記第2の端部まで延びる、請求項17に記載の磁場センサ。
- 前記強磁性モールド材料の前記中央領域内に配設されそこに固定された第3のモールド材料であって、軟質の強磁性材料からなる、第3のモールド材料をさらに含む、請求項15に記載の磁場センサ。
- 第1の表面、第2の対向する表面、および複数のリードを有するリードフレームと、
前記複数のリードの少なくとも1つに結合された少なくとも1つのコンデンサと、
磁場感知素子が中に配設された第1の表面と、第2の対向する表面とを有する半導体ダイと、
前記ダイ、前記リードフレームの少なくとも一部分、および前記少なくとも1つのコンデンサを封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料とを備える、磁場センサ。 - 前記強磁性モールド材料が、硬質の強磁性材料を含む、請求項20に記載の磁場センサ。
- 前記強磁性モールド材料が、軟質の強磁性材料を含む、請求項20に記載の磁場センサ。
- 前記少なくとも1つのコンデンサが、前記リードフレームの前記第1の表面に隣接する、請求項20に記載の磁場センサ。
- 前記少なくとも1つのコンデンサが、前記リードフレームの前記第2の表面に隣接する、請求項20に記載の磁場センサ。
- 前記ダイの前記第1の表面が、前記リードフレームの前記第1の表面に取り付けられる、請求項20に記載の磁場センサ。
- 前記ダイの前記第2の表面が、前記リードフレームの前記第1の表面に取り付けられる、請求項20に記載の磁場センサ。
- 前記リードフレームが、凹部領域を有し、前記少なくとも1つのコンデンサが前記凹部領域内に配置される、請求項20に記載の磁場センサ。
- ダイ取り付け領域を含む第1の表面と、第2の対向する表面とを有するリードフレームと、
前記ダイ取り付け領域に取り付けられ磁場感知素子が中に配置された第1の表面を有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料とを備える、磁場センサ。 - 前記リードフレームが、複数のリードを備え、前記センサが、前記複数のリードの少なくとも1つに結合された少なくとも1つのコンデンサをさらに備える、請求項28に記載の磁場センサ。
- 前記少なくとも1つのコンデンサが、前記リードフレームの前記第1の表面に隣接する、請求項29に記載の磁場センサ。
- 前記少なくとも1つのコンデンサが、前記リードフレームの前記第2の表面に隣接する、請求項29に記載の磁場センサ。
- 前記強磁性モールド材料が、硬質の強磁性材料を含む、請求項28に記載の磁場センサ。
- 前記強磁性モールド材料が、軟質の強磁性材料を含む、請求項28に記載の磁場センサ。
- リードフレームと、
前記リードフレームに取り付けられ、第1の表面および第2の対向する表面を有する半導体ダイであって、磁場感知素子が、前記第1および第2の対向する表面の一方に配設される、半導体ダイと、
ウエハレベル技術によって前記半導体ダイの前記第2の表面に施与された複数の強磁性材料とを備える、磁場センサ。 - 前記磁場感知素子が、前記ダイの前記第1の表面内に配設され、前記ダイの前記第1の表面から前記リードフレームに結合される、請求項34に記載の磁場センサ。
- 前記磁場感知素子が、前記ダイの前記第1の表面内に配設され、前記ダイの前記第2の表面からリードフレームに結合される、請求項34に記載の磁場センサ。
- 前記磁場感知素子が、前記ダイの前記第2の表面内に配設される、請求項34に記載の磁場センサ。
- 第1の表面および第2の対向する表面を有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記リードフレームの前記第2の表面に取り付けられ、非連続の中央領域と、前記中央領域から横方向に延びる少なくとも1つのチャネルとを有する、磁石と、
前記磁石、半導体ダイ、および前記リードフレームの一部分を取り囲む筺体を形成するオーバーモールド材料とを備える、磁場センサ。 - 前記磁石が、モールド材料を含む、請求項38に記載の磁場センサ。
- 前記磁石が、前記中央開口から横方向に延びる複数のチャネルを備える、請求項38に記載の磁場センサ。
- 第1の表面および第2の対向する表面を有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料であって、前記リードフレームの近位の第1の端部から、前記リードフレームから遠位の第2の端部まで延びる不連続の中央領域を含み、前記中央領域が、少なくとも2つの異なって傾斜する部分によって確立されたテーパ部を備えた内面を有する、強磁性モールド材料とを備える、磁場センサ。 - 前記強磁性モールド材料が、前記非導電性モールド材料の一部分と、前記非導電性モールド材料を超えて延びる前記リードフレームの第2の部分とに固定される、請求項41に記載の磁場センサ。
- 前記強磁性モールド材料が、硬質の強磁性材料である、請求項41に記載の磁場センサ。
- 前記硬質の強磁性材料が、フェライト、SmCo合金、NdFeB合金、硬質の磁気粒子を備えた熱可塑性ポリマー、または硬質の磁気粒子を備えた熱硬化性ポリマーの少なくとも一つを含む、請求項43に記載の磁場センサ。
- 前記強磁性モールド材料の前記中央領域内に配設されそこに固定された第3のモールド材料であって、軟質の強磁性材料からなる、第3のモールド材料をさらに含む、請求項41に記載の磁場センサ。
- 前記強磁性モールド材料の前記中央領域内に配設されそこに固定された別個に形成された素子をさらに備える、請求項41に記載の磁場センサ。
- 前記別個に形成された素子が、硬質の強磁性材料、軟質の強磁性材料、または非強磁性材料からなる、請求項46に記載の磁場センサ。
- 前記リードフレームが、少なくとも1つのスロットを含む、請求項41に記載の磁場センサ。
- 第1の表面および第2の対向する表面を有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料であって、前記リードフレームの近位の第1の端部から、前記リードフレームから遠位の第2の端部まで延びる不連続の中央領域を含む、強磁性モールド材料と
前記強磁性モールド材料の前記中央領域内に配設されそこに固定された別個に形成された素子とを備える、磁場センサ。 - 前記別個に形成された素子が、硬質の強磁性材料、軟質の強磁性材料、または非強磁性材料からなる、請求項49に記載の磁場センサ。
- 前記強磁性モールド材料が、前記非導電性モールド材料の一部分と、前記非導電性モールド材料を超えて延びる前記リードフレームの第2の部分とに固定される、請求項49に記載の磁場センサ。
- 前記別個に形成された素子および前記強磁性モールド材料の少なくとも1つが、硬質の強磁性材料である、請求項49に記載の磁場センサ。
- 前記硬質の強磁性材料が、フェライト、SmCo合金、NdFeB合金、硬質の磁気粒子を備えた熱可塑性ポリマー、または硬質の磁気粒子を備えた熱硬化性ポリマーの少なくとも一つを含む、請求項52に記載の磁場センサ。
- 前記リードフレームが、少なくとも1つのスロットを含む、請求項49に記載の磁場センサ。
- 第1の表面、第2の対向する表面、および少なくとも1つのスロットを有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料とを備える、磁場センサ。 - 前記強磁性モールド材料が、バイアス磁石を形成するために硬質の強磁性材料を含む、請求項55に記載の磁場センサ。
- 第1の表面、第2の対向する表面、および複数のリードを有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料から離間され、前記複数のリードの少なくとも1つの一部分を封入する成形された強磁性抑制デバイスとを備える、磁場センサ。 - 前記非導電性モールド材料の一部分に固定された強磁性モールド材料をさらに含む、請求項57に記載の磁場センサ。
- 前記成形された強磁性抑制デバイスおよび前記強磁性モールド材料の少なくとも1つが、硬質の強磁性材料を含む、請求項58に記載の磁場センサ。
- 前記硬質の強磁性材料が、フェライト、SmCo合金、NdFeB合金、硬質の磁気粒子を備えた熱可塑性ポリマー、または硬質の磁気粒子を備えた熱硬化性ポリマーの少なくとも一つを含む、請求項59に記載の磁場センサ。
- 前記成形された強磁性抑制デバイスおよび前記強磁性モールド材料の少なくとも1つが、軟質の強磁性材料を含む、請求項58に記載の磁場センサ。
- 前記軟質の強磁性材料が、NiFe、Ni、Ni合金、鋼、またはフェライトの少なくとも一つを含む、請求項61に記載の磁場センサ。
- 前記成形された強磁性抑制デバイスが、前記少なくとも1つのリードの前記部分を封入する第1の成形された素子と、前記第1の成形された素子の少なくとも一部分を封入する第2の成形された素子とを備える、請求項57に記載の磁場センサ。
- 前記第1の成形された素子が、非導電性モールド材料を含み、前記第2の成形された素子が、強磁性材料を含む、請求項63に記載の磁場センサ。
- 前記少なくとも1つのリードに結合され、前記成形された強磁性抑制デバイスによって封入された受動構成要素または強磁性ビーズの少なくとも1つをさらに備える、請求項57に記載の磁場センサ。
- 第1の表面、第2の対向する表面、および複数のリードを有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料と
前記複数のリードの少なくとも2つに結合され、前記非導電性モールド材料から離間された少なくとも1つのコンデンサとを備える、磁場センサ。 - 前記少なくとも1つのコンデンサを封入する、成形された強磁性抑制デバイスをさらに備える、請求項66に記載の磁場センサ。
- 前記成形された強磁性抑制デバイスおよび前記強磁性モールド材料の少なくとも1つが、硬質の強磁性材料を含む、請求項67に記載の磁場センサ。
- 前記成形された強磁性抑制デバイスおよび前記強磁性モールド材料の少なくとも1つが、軟質の強磁性材料を備える、請求項67に記載の磁場センサ。
- 前記リードフレームが、少なくとも1つのスロットを含む、請求項66に記載の磁場センサ。
- 前記複数のリードの少なくとも1つに結合された少なくとも1つの強磁性ビーズをさらに備える、請求項66に記載の磁場センサ。
- 第1の表面、第2の対向する表面、および複数のリードを有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料の一部分に固定された強磁性モールド材料と、
前記複数のリードの少なくとも1つに結合された少なくとも1つの強磁性ビーズとを備える、磁場センサ。 - 前記少なくとも1つの強磁性ビーズが、前記非導電性モールド材料によって封入される、請求項72に記載の磁場センサ。
- 前記非導電性モールド材料から離間され、前記複数のリードの少なくとも1つの一部分を封入する、成形された強磁性抑制デバイスをさらに備える、請求項72に記載の磁場センサ。
- 前記少なくとも1つの強磁性ビーズが、前記成形された強磁性抑制デバイスによって封入される、請求項74に記載の磁場センサ。
- 第1の表面および第2の対向する表面を有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記非導電性モールド材料に固定された導電性コイルとを備える、磁場センサ。 - 前記非導電性モールド材料が、前記コイルを封入する、請求項76に記載の磁場センサ。
- 前記非導電性モールド材料によって封入された少なくとも1つの強磁性ビーズをさらに備える、請求項77に記載の磁場センサ。
- 前記複数のリードの少なくとも2つに結合され、前記非導電性モールド材料から離間された少なくとも1つの受動構成要素をさらに備える、請求項77に記載の磁場センサ。
- 前記リードフレームが、少なくとも1つのスロットを含む、請求項77に記載の磁場センサ。
- 前記非導電性モールド材料から離間され、前記複数のリードの少なくとも1つの一部分を封入する、成形された強磁性抑制デバイスをさらに備える、請求項77に記載の磁場センサ。
- 前記非導電性モールド材料の一部分に固定された第2のモールド材料であって、前記コイルを封入する、第2のモールド材料をさらに含む、請求項76に記載の磁場センサ。
- 前記非導電性モールド材料が、突起部を含み、前記コイルが、前記突起部に対して同軸に配置される、請求項76に記載の磁場センサ。
- 第1の表面と、第2の対向する表面と、端部を有する第1のリード部分、および前記第1のリード部分の前記端部から離間され、その近位にある端部を有する第2のリード部分を含む少なくとも1つのリードとを有するリードフレームと、
磁場感知素子が中に配設された第1の表面と、前記リードフレームの前記第1の表面に取り付けられた第2の対向する表面とを有する半導体ダイと、
前記ダイおよび前記リードフレームの少なくとも一部分を封入する非導電性モールド材料と、
前記第1のリード部分の前記端部と前記第2のリード部分の前記端部との間に結合された受動構成要素とを備える、磁場センサ。 - 前記非導電性モールド材料の一部分に固定された強磁性モールド材料をさらに含む、請求項84に記載の磁場センサ。
- 前記受動構成要素が、抵抗器である、請求項85に記載の磁場センサ。
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