FR3097969B1 - Capteur et procédé de fabrication - Google Patents

Capteur et procédé de fabrication Download PDF

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Publication number
FR3097969B1
FR3097969B1 FR1906868A FR1906868A FR3097969B1 FR 3097969 B1 FR3097969 B1 FR 3097969B1 FR 1906868 A FR1906868 A FR 1906868A FR 1906868 A FR1906868 A FR 1906868A FR 3097969 B1 FR3097969 B1 FR 3097969B1
Authority
FR
France
Prior art keywords
integrated circuit
sensor
overmolding
magnetic element
lead frame
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
Application number
FR1906868A
Other languages
English (en)
Other versions
FR3097969A1 (fr
Inventor
Hervé Contet
Martin Throm
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.)
Continental Automotive Technologies GmbH
Original Assignee
Continental Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive GmbH filed Critical Continental Automotive GmbH
Priority to FR1906868A priority Critical patent/FR3097969B1/fr
Priority to US17/615,704 priority patent/US20220252483A1/en
Priority to PCT/EP2020/067032 priority patent/WO2020260141A1/fr
Priority to CN202080046557.2A priority patent/CN114026433A/zh
Publication of FR3097969A1 publication Critical patent/FR3097969A1/fr
Application granted granted Critical
Publication of FR3097969B1 publication Critical patent/FR3097969B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/02—Housings
    • G01P1/026—Housings for speed measuring devices, e.g. pulse generator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
    • B29C45/14655—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components connected to or mounted on a carrier, e.g. lead frame
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • 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
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors
    • 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
    • G01D5/14—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/752—Measuring equipment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L’invention concerne un procédé de fabrication d’un capteur pour véhicule automobile, ledit capteur comprenant un circuit intégré et un élément magnétique, ledit procédé comprenant les étapes de disposition (E2) du circuit intégré dans un logement d’une zone de support d’une grille de connexion formée dans une plaque de base métallique ; ladite grille de connexion comportant des branches constituant des pistes électriques, - liaison électrique (E3) du circuit intégré avec lesdites branches, - placement (E4) de l’élément magnétique en appui sur la zone de support au droit du circuit intégré et à une distance fixe prédéterminée dudit circuit intégré de sorte à former un espace entre l’élément magnétique et le circuit intégré, - surmoulage (E6) de l’ensemble formé par la zone de support, le circuit intégré et l’élément magnétique à l’aide d’un matériau polyépoxyde de manière à obtenir un surmoulage interne, - surmoulage (E10) du surmoulage interne) à l’aide d’un matériau thermoplastique de manière à obtenir le capteur. Figure pour l’abrégé : Fig. 9
FR1906868A 2019-06-25 2019-06-25 Capteur et procédé de fabrication Active FR3097969B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1906868A FR3097969B1 (fr) 2019-06-25 2019-06-25 Capteur et procédé de fabrication
US17/615,704 US20220252483A1 (en) 2019-06-25 2020-06-18 Sensor and manufacturing method
PCT/EP2020/067032 WO2020260141A1 (fr) 2019-06-25 2020-06-18 Capteur et procédé de fabrication
CN202080046557.2A CN114026433A (zh) 2019-06-25 2020-06-18 传感器和制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1906868A FR3097969B1 (fr) 2019-06-25 2019-06-25 Capteur et procédé de fabrication
FR1906868 2019-06-25

Publications (2)

Publication Number Publication Date
FR3097969A1 FR3097969A1 (fr) 2021-01-01
FR3097969B1 true FR3097969B1 (fr) 2021-06-11

Family

ID=68343042

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1906868A Active FR3097969B1 (fr) 2019-06-25 2019-06-25 Capteur et procédé de fabrication

Country Status (4)

Country Link
US (1) US20220252483A1 (fr)
CN (1) CN114026433A (fr)
FR (1) FR3097969B1 (fr)
WO (1) WO2020260141A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023004384A1 (fr) * 2021-07-21 2023-01-26 Cts Corporation Capteur de châssis de véhicule à moteur à aimant surmoulé et encapsulé

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748105B1 (fr) * 1996-04-25 1998-05-29 Siemens Automotive Sa Capteur magnetique et procede de realisation d'un tel capteur
DE102005012709A1 (de) * 2005-03-22 2006-09-28 Robert Bosch Gmbh Magnetfeldsensor
US7378721B2 (en) * 2005-12-05 2008-05-27 Honeywell International Inc. Chip on lead frame for small package speed sensor
DE102008064047A1 (de) * 2008-10-02 2010-04-08 Continental Teves Ag & Co. Ohg Sensorelement und Trägerelement zur Herstellung eines Sensors
DE102011121412A1 (de) * 2011-12-17 2013-06-20 Continental Automotive Gmbh Verfahren zur Herstellung eines Sensors und Sensor
US9411025B2 (en) * 2013-04-26 2016-08-09 Allegro Microsystems, Llc Integrated circuit package having a split lead frame and a magnet
US9817079B2 (en) * 2014-07-21 2017-11-14 Infineon Technologies Ag Molded sensor package with an integrated magnet and method of manufacturing molded sensor packages with an integrated magnet
JP6153146B1 (ja) * 2016-04-14 2017-06-28 三菱電機株式会社 回転センサ
FR3055737B1 (fr) * 2016-09-08 2018-11-30 Continental Automotive France Procede de fabrication sur une plaque de maintien metallique d'au moins un module electronique incluant au moins un test electrique
FR3059202B1 (fr) * 2016-11-18 2019-08-16 Continental Automotive France Procede de fabrication sur une plaque de maintien d'un module electronique avec des formes de positionnement depassant du surmoulage final

Also Published As

Publication number Publication date
US20220252483A1 (en) 2022-08-11
FR3097969A1 (fr) 2021-01-01
WO2020260141A1 (fr) 2020-12-30
CN114026433A (zh) 2022-02-08

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