FR2494490B1 - - Google Patents

Info

Publication number
FR2494490B1
FR2494490B1 FR8120073A FR8120073A FR2494490B1 FR 2494490 B1 FR2494490 B1 FR 2494490B1 FR 8120073 A FR8120073 A FR 8120073A FR 8120073 A FR8120073 A FR 8120073A FR 2494490 B1 FR2494490 B1 FR 2494490B1
Authority
FR
France
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.)
Expired
Application number
FR8120073A
Other versions
FR2494490A1 (fr
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.)
Analog Devices Inc
Original Assignee
Analog Devices Inc
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 Analog Devices Inc filed Critical Analog Devices Inc
Publication of FR2494490A1 publication Critical patent/FR2494490A1/fr
Application granted granted Critical
Publication of FR2494490B1 publication Critical patent/FR2494490B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
    • H01F2019/085—Transformer for galvanic isolation
    • 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
    • H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/09—Use of materials for the conductive, e.g. metallic pattern
    • H05K1/092—Dispersed materials, e.g. conductive pastes or inks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
    • H05K3/4664—Adding a circuit layer by thick film methods, e.g. printing techniques or by other techniques for making conductive patterns by using pastes, inks or powders
FR8120073A 1980-11-14 1981-10-26 Transformateur electrique miniaturise Granted FR2494490A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20683880A 1980-11-14 1980-11-14

Publications (2)

Publication Number Publication Date
FR2494490A1 FR2494490A1 (fr) 1982-05-21
FR2494490B1 true FR2494490B1 (fr) 1985-01-18

Family

ID=22768186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8120073A Granted FR2494490A1 (fr) 1980-11-14 1981-10-26 Transformateur electrique miniaturise

Country Status (6)

Country Link
JP (1) JPS57111008A (fr)
CA (1) CA1177127A (fr)
DE (1) DE3144026A1 (fr)
FR (1) FR2494490A1 (fr)
GB (1) GB2087656B (fr)
NL (1) NL8105144A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6174311A (ja) * 1984-09-20 1986-04-16 Kangiyou Denki Kiki Kk 積層配線体から成るコイルを有するトランス
JPS6175510A (ja) * 1984-09-21 1986-04-17 Kangiyou Denki Kiki Kk 小形トランス
US4692604A (en) * 1984-10-25 1987-09-08 American Telephone And Telegraph Company, At&T Bell Laboratories Flexible inductor
JPS6176939U (fr) * 1984-10-26 1986-05-23
GB2173956B (en) * 1985-03-29 1989-01-05 Plessey Co Plc Improvements relating to electric transformers
JPH0624985Y2 (ja) * 1985-09-06 1994-06-29 株式会社ト−キン 薄形トランス
JPH01205509A (ja) * 1987-12-02 1989-08-17 John Fluke Mfg Co Inc 高周波電力変成器
JPH0289301A (ja) * 1988-09-27 1990-03-29 Matsushita Electric Ind Co Ltd コイル及びその製造方法
JPH0289302A (ja) * 1988-09-27 1990-03-29 Matsushita Electric Ind Co Ltd コイル及びその製造方法
EP0402880B1 (fr) * 1989-06-16 1994-08-24 Matsushita Electric Industrial Co., Ltd. Procédé de fabrication d'un enroulement à multispires en film mince
AU7665091A (en) * 1990-03-30 1991-10-30 Multisource Technology Corporation Low-profile planar transformer for use in off-line switching power supplies
KR960006848B1 (ko) 1990-05-31 1996-05-23 가부시끼가이샤 도시바 평면형 자기소자
GB2252208B (en) * 1991-01-24 1995-05-03 Burr Brown Corp Hybrid integrated circuit planar transformer
JP3141562B2 (ja) * 1992-05-27 2001-03-05 富士電機株式会社 薄膜トランス装置
DE4244107C2 (de) * 1992-12-24 1996-02-08 Hirschmann Richard Gmbh Co Hochfrequenz-Übertrager
TW436823B (en) * 1994-06-29 2001-05-28 Yokogawa Electric Corp Prited coil type transformer
US5754088A (en) * 1994-11-17 1998-05-19 International Business Machines Corporation Planar transformer and method of manufacture
GB9424349D0 (en) 1994-12-02 1995-01-18 Measurement Tech Ltd Transformers
DE19853510A1 (de) 1998-11-20 2000-05-25 Thomson Brandt Gmbh Netzfilter
AU2001293299A1 (en) * 2000-09-20 2002-04-02 Ascom Energy Systems Ag, Berne Planar inductive element
WO2019235510A1 (fr) * 2018-06-08 2019-12-12 Tdk株式会社 Composant de bobine et son procédé de fabrication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431144A (en) * 1963-12-26 1969-03-04 Nippon Electric Co Method for manufacturing microminiature coils
US3483499A (en) * 1968-08-08 1969-12-09 Bourns Inc Inductive device
US3772587A (en) * 1972-03-15 1973-11-13 Inductosyn Corp Position measuring transformer
JPS622733Y2 (fr) * 1978-09-11 1987-01-22

Also Published As

Publication number Publication date
DE3144026A1 (de) 1982-06-24
GB2087656A (en) 1982-05-26
NL8105144A (nl) 1982-06-01
GB2087656B (en) 1983-09-28
FR2494490A1 (fr) 1982-05-21
JPS57111008A (en) 1982-07-10
CA1177127A (fr) 1984-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse