FR3065574B1 - Transformateur planaire compact et procede de fabrication associe - Google Patents

Transformateur planaire compact et procede de fabrication associe Download PDF

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Publication number
FR3065574B1
FR3065574B1 FR1753532A FR1753532A FR3065574B1 FR 3065574 B1 FR3065574 B1 FR 3065574B1 FR 1753532 A FR1753532 A FR 1753532A FR 1753532 A FR1753532 A FR 1753532A FR 3065574 B1 FR3065574 B1 FR 3065574B1
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France
Prior art keywords
planar transformer
manufacturing
layer
same
printed 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
Application number
FR1753532A
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English (en)
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FR3065574A1 (fr
Inventor
Samuel Hanin
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.)
Nexeya France
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Nexeya France
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Publication date
Application filed by Nexeya France filed Critical Nexeya France
Priority to FR1753532A priority Critical patent/FR3065574B1/fr
Publication of FR3065574A1 publication Critical patent/FR3065574A1/fr
Application granted granted Critical
Publication of FR3065574B1 publication Critical patent/FR3065574B1/fr
Active 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
    • H01F41/12—Insulating of windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2814—Printed windings with only part of the coil or of the winding in the printed circuit board, e.g. the remaining coil or winding sections can be made of wires or sheets

Abstract

L'invention concerne un transformateur planaire (1) comportant : - un noyau magnétique (10), - un bobinage primaire (20) et un bobinage secondaire (30) entourant au moins une partie (101) du noyau magnétique, et - un circuit imprimé (40) comprenant au moins une couche de matériau électriquement isolant et au moins une piste électriquement conductrice, dans lequel l'un du bobinage primaire et du bobinage secondaire comprend au moins une spire formée dans la piste conductrice du circuit imprimé, caractérisé en ce que le circuit imprimé comporte un renfoncement (43) agencé à la surface de la couche de matériau isolant et présentant une profondeur inférieure à l'épaisseur de ladite couche de matériau isolant, et l'autre bobinage comprend une spire (50), formée dans une feuille de matériau conducteur, reçue au moins partiellement dans ledit renfoncement (53).
FR1753532A 2017-04-24 2017-04-24 Transformateur planaire compact et procede de fabrication associe Active FR3065574B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1753532A FR3065574B1 (fr) 2017-04-24 2017-04-24 Transformateur planaire compact et procede de fabrication associe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1753532 2017-04-24
FR1753532A FR3065574B1 (fr) 2017-04-24 2017-04-24 Transformateur planaire compact et procede de fabrication associe

Publications (2)

Publication Number Publication Date
FR3065574A1 FR3065574A1 (fr) 2018-10-26
FR3065574B1 true FR3065574B1 (fr) 2019-04-19

Family

ID=59409457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1753532A Active FR3065574B1 (fr) 2017-04-24 2017-04-24 Transformateur planaire compact et procede de fabrication associe

Country Status (1)

Country Link
FR (1) FR3065574B1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010314A (en) * 1990-03-30 1991-04-23 Multisource Technology Corp. Low-profile planar transformer for use in off-line switching power supplies
DE10148133A1 (de) * 2001-09-28 2003-04-24 Ascom Energy Systems Ag Bern Flachtransformator mit gesteckten Sekundärwicklungen

Also Published As

Publication number Publication date
FR3065574A1 (fr) 2018-10-26

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