JPS6335089B2 - - Google Patents
Info
- Publication number
- JPS6335089B2 JPS6335089B2 JP56011782A JP1178281A JPS6335089B2 JP S6335089 B2 JPS6335089 B2 JP S6335089B2 JP 56011782 A JP56011782 A JP 56011782A JP 1178281 A JP1178281 A JP 1178281A JP S6335089 B2 JPS6335089 B2 JP S6335089B2
- Authority
- JP
- Japan
- Prior art keywords
- conductors
- layer
- conductor
- pulse transformer
- printed wiring
- 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
Links
- 239000004020 conductor Substances 0.000 claims abstract description 95
- 238000004804 winding Methods 0.000 claims abstract description 39
- 230000005291 magnetic effect Effects 0.000 claims description 15
- 239000011810 insulating material Substances 0.000 claims description 10
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 208000032365 Electromagnetic interference Diseases 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 65
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- 238000005219 brazing Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000005476 soldering Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
- H01F2005/046—Details of formers and pin terminals related to mounting on printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter
-
- 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
- H01F27/2847—Sheets; Strips
- H01F2027/2861—Coil formed by folding a blank
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Coils Or Transformers For Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH81480 | 1980-02-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56129305A JPS56129305A (en) | 1981-10-09 |
JPS6335089B2 true JPS6335089B2 (US07993877-20110809-P00003.png) | 1988-07-13 |
Family
ID=4195809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1178281A Granted JPS56129305A (en) | 1980-02-01 | 1981-01-30 | Pulse transformer |
Country Status (6)
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0459885U (US07993877-20110809-P00003.png) * | 1990-09-27 | 1992-05-22 | ||
JPH0496781U (US07993877-20110809-P00003.png) * | 1991-01-31 | 1992-08-21 | ||
JPH06104488A (ja) * | 1992-09-17 | 1994-04-15 | Rohm Co Ltd | ドットマトリクス表示装置 |
JP2009509330A (ja) * | 2005-09-20 | 2009-03-05 | スカンジノヴァ システムズ エイビー | フォイル巻線パルストランス |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2154068B (en) * | 1984-02-07 | 1987-07-22 | Marconi Co Ltd | Transformers |
GB2163908B (en) * | 1984-09-01 | 1987-12-23 | Marconi Co Ltd | A transformer |
US4689593A (en) * | 1984-09-01 | 1987-08-25 | The Marconi Company Limited | Transformer with balanced transmission lines |
US4677538A (en) * | 1986-07-02 | 1987-06-30 | Zenith Electronics Corporation | Sweep transformer with terminating PC board |
US4873757A (en) * | 1987-07-08 | 1989-10-17 | The Foxboro Company | Method of making a multilayer electrical coil |
EP0328941A1 (de) * | 1988-02-16 | 1989-08-23 | Siemens Aktiengesellschaft | Verfahren und Einrichtung zum Kommutieren des Stromes zwischen abschaltbaren Ventilzweigen eines Stromrichtergerätes |
US5025211A (en) * | 1989-12-20 | 1991-06-18 | At&T Bell Laboratories | Technique for reducing electromagnetic interference |
DK64690D0 (da) * | 1990-03-12 | 1990-03-12 | Ntp Elektronik A S | Omkoblingssystem |
US5257000A (en) * | 1992-02-14 | 1993-10-26 | At&T Bell Laboratories | Circuit elements dependent on core inductance and fabrication thereof |
JPH0660113U (ja) * | 1993-01-28 | 1994-08-19 | 横河電機株式会社 | 平面型トランス |
JP3573487B2 (ja) * | 1994-03-25 | 2004-10-06 | 花王株式会社 | 使い捨ておむつ |
US5801602A (en) * | 1996-04-30 | 1998-09-01 | 3Com Corporation | Isolation and signal filter transformer |
US6252532B1 (en) | 1998-02-26 | 2001-06-26 | 3Com Corporation | Programmable compensation and frequency equalization for network systems |
JP4496508B2 (ja) * | 1999-03-12 | 2010-07-07 | 日立金属株式会社 | トロイダル状フェライトコア |
US6040753A (en) * | 1999-04-06 | 2000-03-21 | Lockheed Martin Corp. | Ultra-low-profile tube-type magnetics |
US6674355B2 (en) | 2000-05-19 | 2004-01-06 | M-Flex Multi-Fineline Electronix, Inc. | Slot core transformers |
US6820321B2 (en) | 2000-09-22 | 2004-11-23 | M-Flex Multi-Fineline Electronix, Inc. | Method of making electronic transformer/inductor devices |
US7135952B2 (en) | 2002-09-16 | 2006-11-14 | Multi-Fineline Electronix, Inc. | Electronic transformer/inductor devices and methods for making same |
US7009486B1 (en) * | 2003-09-18 | 2006-03-07 | Keithley Instruments, Inc. | Low noise power transformer |
DE102004037853A1 (de) * | 2004-08-04 | 2006-03-16 | Epcos Ag | Halterung für eine Drosselspule und ein induktives Bauelement mit der Halterung |
US7436282B2 (en) | 2004-12-07 | 2008-10-14 | Multi-Fineline Electronix, Inc. | Miniature circuitry and inductive components and methods for manufacturing same |
RU2007120247A (ru) | 2004-12-07 | 2009-01-20 | Малти-Файнлайн Электроникс, Инк. (Us) | Миниатюрные схемы, индуктивные элементы и способы их производства |
US7645941B2 (en) | 2006-05-02 | 2010-01-12 | Multi-Fineline Electronix, Inc. | Shielded flexible circuits and methods for manufacturing same |
TWM390532U (en) * | 2010-05-19 | 2010-10-11 | Advanced Connection Technology Inc | Iron core coil assembly |
US9190204B1 (en) | 2013-05-12 | 2015-11-17 | Marion Harlan Cates, Jr. | Multilayer printed circuit board having circuit trace windings |
US10141107B2 (en) | 2013-10-10 | 2018-11-27 | Analog Devices, Inc. | Miniature planar transformer |
US9959967B2 (en) | 2014-05-15 | 2018-05-01 | Analog Devices, Inc. | Magnetic devices and methods for manufacture using flex circuits |
GB201500772D0 (en) * | 2015-01-16 | 2015-03-04 | Rybtchinskaia Elena | Transmission line transformer |
WO2017038369A1 (ja) * | 2015-09-01 | 2017-03-09 | 三菱電機株式会社 | 電力変換装置 |
GB201612032D0 (en) * | 2016-07-11 | 2016-08-24 | High Speed Trans Solutions Ltd | Isolating transformer |
DE102017100458A1 (de) * | 2017-01-11 | 2018-08-09 | Kaschke Components Gmbh | Induktives Bauteil |
US10826373B2 (en) * | 2017-07-26 | 2020-11-03 | Nxp B.V. | Current pulse transformer for isolating electrical signals |
KR102579295B1 (ko) * | 2018-05-17 | 2023-09-15 | 현대자동차주식회사 | 인쇄회로기판을 이용한 변압기 및 그 제조방법 |
DE202020001160U1 (de) | 2020-03-16 | 2020-04-16 | Michael Dienst | Elektrischer Spulenkörper für Hubkraftmaschinen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4425055Y1 (US07993877-20110809-P00003.png) * | 1966-11-12 | 1969-10-22 | ||
JPS5072125A (US07993877-20110809-P00003.png) * | 1973-10-31 | 1975-06-14 | ||
JPS5431124B2 (US07993877-20110809-P00003.png) * | 1977-06-15 | 1979-10-04 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3102245A (en) * | 1959-08-03 | 1963-08-27 | Caledonia Electronics And Tran | Electrical transformer |
US3303449A (en) * | 1962-02-28 | 1967-02-07 | Stimler Morton | Toroidal magnetic cores having varying cross-sectional areas |
US3267402A (en) * | 1964-10-27 | 1966-08-16 | Automatic Elect Lab | Multi-turn wrap-around solenoids |
DE1931594U (de) * | 1965-06-14 | 1966-01-27 | Graetz Kommanditgesellschaft | Gedruckte ringkernspule. |
GB1105425A (en) * | 1966-05-27 | 1968-03-06 | Communications Patents Ltd | Improvements in or relating to electric transformers |
GB1136966A (en) * | 1966-08-25 | 1968-12-18 | Communications Patents Ltd | Improvements in or relating to electric transformers |
US3659240A (en) * | 1970-04-30 | 1972-04-25 | Bourns Inc | Thick-film electric-pulse transformer |
US4103267A (en) * | 1977-06-13 | 1978-07-25 | Burr-Brown Research Corporation | Hybrid transformer device |
JPS5821140Y2 (ja) * | 1977-08-05 | 1983-05-04 | 八木アンテナ株式会社 | プリント板を利用した変成器 |
US4249229A (en) * | 1978-08-28 | 1981-02-03 | Litton Systems, Inc. | Transformer having novel multiple winding and support structure and method of making same |
-
1981
- 1981-01-12 DE DE8181100159T patent/DE3165884D1/de not_active Expired
- 1981-01-12 AT AT81100159T patent/ATE9419T1/de not_active IP Right Cessation
- 1981-01-12 EP EP81100159A patent/EP0033441B1/de not_active Expired
- 1981-01-20 CA CA000368898A patent/CA1144247A/en not_active Expired
- 1981-01-23 US US06/228,155 patent/US4342976A/en not_active Expired - Fee Related
- 1981-01-30 JP JP1178281A patent/JPS56129305A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4425055Y1 (US07993877-20110809-P00003.png) * | 1966-11-12 | 1969-10-22 | ||
JPS5072125A (US07993877-20110809-P00003.png) * | 1973-10-31 | 1975-06-14 | ||
JPS5431124B2 (US07993877-20110809-P00003.png) * | 1977-06-15 | 1979-10-04 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0459885U (US07993877-20110809-P00003.png) * | 1990-09-27 | 1992-05-22 | ||
JPH0496781U (US07993877-20110809-P00003.png) * | 1991-01-31 | 1992-08-21 | ||
JPH06104488A (ja) * | 1992-09-17 | 1994-04-15 | Rohm Co Ltd | ドットマトリクス表示装置 |
JP2009509330A (ja) * | 2005-09-20 | 2009-03-05 | スカンジノヴァ システムズ エイビー | フォイル巻線パルストランス |
Also Published As
Publication number | Publication date |
---|---|
EP0033441B1 (de) | 1984-09-12 |
JPS56129305A (en) | 1981-10-09 |
US4342976A (en) | 1982-08-03 |
CA1144247A (en) | 1983-04-05 |
DE3165884D1 (en) | 1984-10-18 |
EP0033441A1 (de) | 1981-08-12 |
ATE9419T1 (de) | 1984-09-15 |
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