EP0949640A1 - Verfahren zur Herstellung von elektronischen Komponenten mit einer Spule - Google Patents

Verfahren zur Herstellung von elektronischen Komponenten mit einer Spule Download PDF

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Publication number
EP0949640A1
EP0949640A1 EP98106357A EP98106357A EP0949640A1 EP 0949640 A1 EP0949640 A1 EP 0949640A1 EP 98106357 A EP98106357 A EP 98106357A EP 98106357 A EP98106357 A EP 98106357A EP 0949640 A1 EP0949640 A1 EP 0949640A1
Authority
EP
European Patent Office
Prior art keywords
winding
wire
core
wound
turns
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.)
Granted
Application number
EP98106357A
Other languages
English (en)
French (fr)
Other versions
EP0949640B1 (de
Inventor
Elko Doering
Pascal Cattin
Peter Jacob
Uwe Thiemann
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.)
EM Microelectronic Marin SA
Original Assignee
EM Microelectronic Marin SA
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 EM Microelectronic Marin SA filed Critical EM Microelectronic Marin SA
Priority to AT98106357T priority Critical patent/ATE221248T1/de
Priority to EP98106357A priority patent/EP0949640B1/de
Priority to DE69806725T priority patent/DE69806725T2/de
Publication of EP0949640A1 publication Critical patent/EP0949640A1/de
Application granted granted Critical
Publication of EP0949640B1 publication Critical patent/EP0949640B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/082—Devices for guiding or positioning the winding material on the former
    • H01F41/088—Devices for guiding or positioning the winding material on the former using revolving flyers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
    • H01F41/066—Winding non-flat conductive wires, e.g. rods, cables or cords with insulation

Definitions

  • the present invention relates to a method advanced electronic components manufacturing comprising a winding.
  • Many electronic components include a coil formed by a generally ferrite core around from which is wound a very fine wire, with a diameter of the order of a few hundredths of a millimeter.
  • An electronic component designated as a whole by general reference numeral 1, includes a core made of ferrite 2 which is applied against an integrated circuit 4 by means of a mechanical holding device not shown in Figure 1.
  • a dispensing device carrying a reel on which a wire is wound winding 6 is brought into position in order to proceed with the winding of the core 2.
  • the distributor device is moving longitudinally at core 2 and rotating around it, allows regular laying in turns contiguous such as 8 of wire 6 on core 2. After winding of a coil 10 on the core 2, the wire 6 is cut and the dispensing device is brought in front of the next ferrite core. Free ends 12 and 14 wire 6 wound on the core 2 are then taken up by an appropriate device and applied to the studs contact such as 16 of the integrated circuit 4.
  • Electronic coil components of the kind described above are especially employed in the industry watchmaking and in the automotive industry where they are used in combination with immobilizer systems coded vehicles.
  • the circuit integrated 4 and its associated coil 10 which forms an antenna reception are integrated in a glass tube 18 or in a similar material as shown in Figure 2 attached to this request.
  • Tube 18 is initially opened at one of its ends, and contains an epoxy resin 20 thermosetting. After a centrifugation step which allows the electronic component 1 to be precipitated towards the bottom of tube 18, this is conventionally sealed using a high energy laser beam. The last process step is to polymerize the resin 20 into placing the sealed tube 18 in a baking oven. The tube 18 is then molded for example in the thickness of the handle of an ignition key for a motor vehicle.
  • the integrated circuit 4 enclosed in the tube 18 comprises a identification code which is transmitted by link radio frequency to the central electronic management unit of the vehicle. After receiving the identification code and checking its authenticity, the central unit controls the unlocking of the vehicle immobilizer system.
  • the object of the present invention is to remedy the problems and disadvantages above by proposing a winding manufacturing process for canceling the electrostatic charges which appear during winding of the turns.
  • the present invention relates to a electronic components manufacturing process comprising a winding, in which a device distributor carrying a reel on which is wound a winding wire lays the wire in contiguous turns and regular on a nucleus, this process being characterized by what we force the circulation of an ionized air flow on the winding during manufacture.
  • the present invention provides a manufacturing process in which the fillers electrostatic which appear by friction of turns on each other when winding a wire on a ferrite core are canceled by charges electrics of opposite sign coming from ionized air produced by an air ionizer device.
  • the winding of wire thus becomes electrically neutral, so that its free ends can be welded to the studs contact of an integrated circuit without risk of destroying it by electrostatic discharge.
  • the present invention also makes it possible to resolve the very delicate problem of load control electrostatics of a moving device. Indeed, it hardly seems possible, given the extremely high distributor speed carrying the reel on which the wire is wound, connect this distributor to earth by means, for example, an electrically conductive strand. Thanks to this invention it becomes possible to control without contact and without a fixed link the electrostatic state of charge of a winding manufacturing bench.
  • the present invention also relates to a device for implementing the method according to the invention, comprising a reel on which a wire is wound winding and a distributor device which moves longitudinally at and rotating around a core for allow regular installation according to contiguous turns of a winding on the core, characterized in that a air ionizer device arranged inside a frame diffuses on the winding during air manufacturing ionized whose electrical charges cancel out electrostatic charges of opposite sign induced by friction in said winding.
  • the device for implementing the method according to the invention designated as a whole by the reference general numeric 22 in Figure 3, includes a reel 24 on which the winding wire 6 is wound.
  • wire 6 enters through an opening 26 in a frame 28 to the interior of which it is guided in translation by means a directional guide device 30.
  • This device guide 30 is for example made up of two buffers felt such as 32 which guide and clean the wire 6 by friction. It should be noted that this first step in guidance and cleaning can be a source generator of electrostatic charges in wire 6.
  • the wire 6 is then taken up by a device distributor 34 in position above the ferrite core 2.
  • the dispensing device 34 which moves longitudinally to the core 2 and rotating around this allows regular laying in contiguous turns 8 wire 6 on core 2. After winding, wire 6 is cut and its free ends 12 and 14 will be applied by thermocompression on the contact pads 16 of the integrated circuit 4.
  • a device air ionizer 36 is disposed inside the frame 28 in which it diffuses ionized air carrying charges electrics which cancel the charges electrostatic of opposite sign induced by friction in wire 6. This becomes electrically again neutral and its free ends 12, 14 can be soldered to the contact pads 16 of the integrated circuit 4 without risk of destroying it by discharge electrostatic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)
EP98106357A 1998-04-07 1998-04-07 Verfahren zur Herstellung von elektronischen Komponenten mit einer Spule Expired - Lifetime EP0949640B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT98106357T ATE221248T1 (de) 1998-04-07 1998-04-07 Verfahren zur herstellung von elektronischen komponenten mit einer spule
EP98106357A EP0949640B1 (de) 1998-04-07 1998-04-07 Verfahren zur Herstellung von elektronischen Komponenten mit einer Spule
DE69806725T DE69806725T2 (de) 1998-04-07 1998-04-07 Verfahren zur Herstellung von elektronischen Komponenten mit einer Spule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98106357A EP0949640B1 (de) 1998-04-07 1998-04-07 Verfahren zur Herstellung von elektronischen Komponenten mit einer Spule

Publications (2)

Publication Number Publication Date
EP0949640A1 true EP0949640A1 (de) 1999-10-13
EP0949640B1 EP0949640B1 (de) 2002-07-24

Family

ID=8231734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98106357A Expired - Lifetime EP0949640B1 (de) 1998-04-07 1998-04-07 Verfahren zur Herstellung von elektronischen Komponenten mit einer Spule

Country Status (3)

Country Link
EP (1) EP0949640B1 (de)
AT (1) ATE221248T1 (de)
DE (1) DE69806725T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105225825A (zh) * 2015-09-12 2016-01-06 安徽互感器有限公司 一种铜线绕匝装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022125977A1 (de) 2021-10-07 2023-04-13 Axing Ag Wickelgut für elektronische Schaltungen bzw. Baugruppen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56108663A (en) * 1980-01-29 1981-08-28 Mitsubishi Electric Corp Method to wind coil
JPS5791235A (en) * 1980-11-28 1982-06-07 Hitachi Cable Ltd Manufacture of rubber of plastic tape
WO1991000603A1 (fr) * 1989-07-03 1991-01-10 Sokymat Sa Procede de fabrication de composants electroniques comportant un bobinage en fil fin, et dispositif de maintien du fil de bobinage permettant une fabrication selon ce procede

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56108663A (en) * 1980-01-29 1981-08-28 Mitsubishi Electric Corp Method to wind coil
JPS5791235A (en) * 1980-11-28 1982-06-07 Hitachi Cable Ltd Manufacture of rubber of plastic tape
WO1991000603A1 (fr) * 1989-07-03 1991-01-10 Sokymat Sa Procede de fabrication de composants electroniques comportant un bobinage en fil fin, et dispositif de maintien du fil de bobinage permettant une fabrication selon ce procede

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 189 (M - 099) 28 November 1981 (1981-11-28) *
PATENT ABSTRACTS OF JAPAN vol. 006, no. 184 (M - 157) 21 September 1982 (1982-09-21) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105225825A (zh) * 2015-09-12 2016-01-06 安徽互感器有限公司 一种铜线绕匝装置

Also Published As

Publication number Publication date
ATE221248T1 (de) 2002-08-15
EP0949640B1 (de) 2002-07-24
DE69806725D1 (de) 2002-08-29
DE69806725T2 (de) 2009-09-24

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