CA1177127A - Transformateur miniature - Google Patents

Transformateur miniature

Info

Publication number
CA1177127A
CA1177127A CA000388362A CA388362A CA1177127A CA 1177127 A CA1177127 A CA 1177127A CA 000388362 A CA000388362 A CA 000388362A CA 388362 A CA388362 A CA 388362A CA 1177127 A CA1177127 A CA 1177127A
Authority
CA
Canada
Prior art keywords
windings
dielectric
substrates
spiral
winding
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.)
Expired
Application number
CA000388362A
Other languages
English (en)
Inventor
William H. Morong, Iii
Delip R. Bokil
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
Application granted granted Critical
Publication of CA1177127A publication Critical patent/CA1177127A/fr
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CA000388362A 1980-11-14 1981-10-20 Transformateur miniature Expired CA1177127A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20683880A 1980-11-14 1980-11-14
US206,838 1980-11-14

Publications (1)

Publication Number Publication Date
CA1177127A true CA1177127A (fr) 1984-10-30

Family

ID=22768186

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000388362A Expired CA1177127A (fr) 1980-11-14 1981-10-20 Transformateur miniature

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
DE69117403T2 (de) * 1990-03-30 1996-09-05 Multisource Tech Corp Niederprofil-flachtransformator für die verwendung bei unabhängig betriebenen schaltnetzteilen
DE4117878C2 (de) 1990-05-31 1996-09-26 Toshiba Kawasaki Kk Planares magnetisches Element
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
DE60137058D1 (de) * 2000-09-20 2009-01-29 Det Int Holding Ltd Planares induktives element
JP7272357B2 (ja) * 2018-06-08 2023-05-12 Tdk株式会社 コイル部品及びその製造方法

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
GB2087656A (en) 1982-05-26
FR2494490B1 (fr) 1985-01-18
JPS57111008A (en) 1982-07-10
DE3144026A1 (de) 1982-06-24
FR2494490A1 (fr) 1982-05-21
GB2087656B (en) 1983-09-28
NL8105144A (nl) 1982-06-01

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Legal Events

Date Code Title Description
MKEX Expiry