KR910020756A - 평면형 자기 소자 - Google Patents

평면형 자기 소자 Download PDF

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Publication number
KR910020756A
KR910020756A KR1019910008989A KR910008989A KR910020756A KR 910020756 A KR910020756 A KR 910020756A KR 1019910008989 A KR1019910008989 A KR 1019910008989A KR 910008989 A KR910008989 A KR 910008989A KR 910020756 A KR910020756 A KR 910020756A
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South Korea
Prior art keywords
planar
magnetic
coil
layer
insulator layer
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KR1019910008989A
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KR960006848B1 (ko
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데쯔히꼬 미조구찌
도시로 사또
마사시 사하시
미찌오 하세가와
히로시 도미따
아쯔히또 사와베
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아오이 죠이찌
가부시끼가이샤 도시바
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • 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 
    • H01F17/0006—Printed inductances
    • H01F2017/0066—Printed inductances with a magnetic layer
    • 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
    • H01F2017/0086—Printed inductances on semiconductor substrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

내용 없음

Description

평면형 자기 소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 본 발명에 관계된 평면 인덕터의 분해 사시도, 제6도는 본 발명에 관계된 평면 인턱터의 개략 단면도, 제7도는 본 발명에 관계된 평면 트랜스의 분해 사시도.

Claims (25)

  1. 평면형 자기소자는 기판(10)과, 전술한 기판상에 배치된 제1자성체층(30A)과, 전술한 제1자성체층상에 배치된 제1저연체층(20A)과, 전술한 제1절연체층상에 비치된 인접하는 코일도 체간의 갭이 1이상의 갭어스펙트비코일도체의 두께/코일도체간의 간격)을 갖는 평면코일(40)과, 전술한 평면코일상에 배치된 제2절연체층(20C)와 전술한 제2절연체층상에 배치된 제2자성체층(30B)을 구비한다.
  2. 제1항에 있어서, 전술한 기판이 반도체임을 특징으로 하는 평면형 자기소자.
  3. 제1항에 있어서, 전술한 기판상에 형성된 능동소자 또는 수동소자를 더 구비한 것을 특징으로 하는 평면형 자기소자.
  4. 제1항에 있어서, 전술한 갭에는 절연체가 충전되어 있음을 특징으로 하는 평면형 자기소자.
  5. 제1항에 있어서, 전술한 갭은 공동임을 특징으로 하는 평면형 자기소자.
  6. 제1항에 있어서, 전술한 평면코일의 코일도체와 전술한 기판사이에 설치된 접합층을 더 구비한 것을 특징으로 하는 평면형 자기소자.
  7. 제1항에 있어서, 전술한 평면코일과 전술한 제2절연체층은 짝을 구성하고, 이짝은 전술한 제2절연체층과 제2자성체층 사이에 적층되어 있다..
  8. 제1항에 있어서, 전술한 평면코일이 전술한 제1자성체층상에서 형성된 1차코일 및 2차 코일임을 특징으로 하는 평면형 자기소자.
  9. 제1항에 있어서, 전술한 평면코일의 형상은 스파이럴 형상이며 Wao+2α의 관계를 만족시키며, W는 제1 및 제2자성체층의 외형 사이즈 ao는 전술한 평면코일의 코일 도체의 외형 사이즈 α=〔us·g·t/2 〕1/2 us는 제1 및 제2자성체층의 투자율 t는 제1 및 제2자성체층의 두께 g는 제1 및 제2자성체층 사이의 거리임을 특징으로 하는 평면형 자기소자.
  10. 제9항에 있어서, 전술한 평면코일이 제3절연체층을 개재시켜 2개 적층되어있고, 2개의 전술한 평면코일의 제3절연체층을 통해서 평면코일은 트루호올도체를 갖는 것을 특징으로 하는 평면형 자기소자.
  11. 제1항에 있어서, 전술한 제1 및 제2자성체층은 전술한 평면코일이 발생하는 자계의방향과 직교하는 방향으로 1축 자기 이방성을 갖는것을 특징으로 하는 평면형 자기소자.
  12. 제1항에 있어서, 전술한 제1 및 제2자성체층은 각각의 밑변에 평행한 방향으로 1축자기 이방성을 갖는 4개의 삼각형의 자성체를 이들의 정점이 일치하도록 배치하여 구성되어 있는 것을 특징으로 하는 평면형 자기소자.
  13. 제1항에 있어서, 전술한 제1 및 제2자성체층 표면에는 전술한 평면코일에 흐르는 전류의 방향과 평행으로 스트라입 형상의 요철이 번갈아 형성되어 있음을 특징으로 하는 평면형 자기소자.
  14. 제1항에 있어서, 전술한 평면코일은 장방형 스파이럴코일이며, 전술한 평면코일의 장축은 1축 자기 이방성을 갖는 전술한 제1 및 제2자성체층의 자화용 이축과 일치하고 있음을 특징으로 하는 평면형 자기소자.
  15. 제14항에 있어서, 전술한 평면코일의 감김 시작부와 감김끝부가 전술한 제1 및 제2자성체층에서 부터 노출되어 있는 것을 특징으로 하는 평면형 자기소자.
  16. 제14항에 있어서, 전술한 평면코일로 부터 누설되는 자속을 쉴드하는 수다나을 더 구비한 것을 특징으로 하는 평면형 자기소자.
  17. 제11항에 있어서, 평면코일은 직렬접속된 복수의 장방형스파이럴 코일을 포함하고, 전술한 제1 및 제2자성체층은 1축 자기 이방성을 갖고 있으며, 그 자화용이축은 전술한 장방형 스파이럴 코일의 장축방향과 일치함을 특징으로 하는 평면형 자기소자.
  18. 제17항에 있어서, 전술한 평면코일의 감김시작부와 감김끝부가 전술한 제1 및 제2자성체층에서 부터 노출되어 있는 것을 특징으로 하는 평면형 자기소자.
  19. 제17항에 있어서, 전술한 평면코일로부터 누설되는 자속을 쉴드 하는 수단을 더 구비한 것을 특징으로 하는 평면형 자기소자.
  20. 제1항에 있어서, 전술한 평면코일이 복수개의 외부 접속단자를 갖고 잇으며, 외형사이즈가 다른 복수의 1턴 전술한 평면 코일이 전술한 제1절연체층상에 배치되어 있는 것을 특징으로하는 평면형 자기소자.
  21. 제1항에 있어서, 전술한 평면코일이 전술한 평면코일의 선의 높이와 선의폭의 비가 1이상인 도체 어스펙트비(코일 도체의 두께/코일 도체의 높이)를 갖는 것을 특징으로 하는 평면형 자기소자.
  22. 평면형 자기소자는 기판과, 전술한 기판상에 배치된 제1자성체층과 전술한 제1자성체층상에 배치된 제1절연체층과, 제1절연체층상에 배치된 코일도체의 선의 높이와 선의 폭과의 비가 1이상인 도체 어스펙트비(코일도체의 두께/ 코일도체의 높이)를 갖는 평면코일과, 전술한 평면코일상에 배치된 제2절연체층과, 전술한 제2절연체층상에 배치된 제2자성체층을 구비한 것을 특징으로하는 평면형 자기소자.
  23. 기판과, 전술한 기판상에 배치된 제1자성체층과, 전술한 제1자성체층에는 평면코일이 발생하는 자계의 방향과 직교 방향으로 1축 자기 이방성이 도입되어 있으며, 전술한 제1자성체층상에 배치된 제1절연체층과, 전술한 제1절연체층상에 배치되어 인접하는 코일 도체간의 갭이 1이상의 갭어스펙트비(코일도체두께/ 코일도체간의 간격)를 갖는 평면코일과, 전술한 평면코일상에 비치된 제2절연체층과, 전술한 제2절연체층상에 배치된 제2자성체층과, 전술한 제2자성체층은 평면코일이 발생하는 자계의 방향과 직교하는 방향으로 1축 자기 이방성이 도입되어 구비되는 것을 특징으로 하는 평면형 자기소자.
  24. 기판과, 전술한 기판상에 배치된 제1자성체층과, 전술한 제1자성체층상에 배치된 제1절연체층과 전술한 제1절연체층상에 배치된 평면코일과, 전술한 평면코일은 복수개의 외부접속단자를 갖고, 외형사이즈가 다른 복수의 1턴 평면 코일을 동일평면상에 배치하여 구성되며, 전술한 평면코일상에 배치된 제2절연체층과, 전술한 제2절연체층상에 배치된 제2자성체층을 구비한 것을 특징으로 하는 평면형 자기소자.
  25. 기판상에 배치된 원통형의 중심도체와, 전술한도체의 주위에 배치된 자성체층 및 절연체층과, 전술한 자성체층은 전체가 전술한 절연체층으로 덮여진도너츠 형상이며, 전술한 자성체층 및 절연체층은 일체 구조로 되어있고, 전술한 절연체층의 주위에 전술한 중심도체의 상부 또는 하부의 일단과 접속되어 전체를 덮도록 배치된 도체층을 구비한 것을 특징으로 하는 평면형 자기소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910008989A 1990-05-31 1991-05-31 평면형 자기소자 KR960006848B1 (ko)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
JP??02-139989 1990-05-31
JP13998990 1990-05-31
JP??02-139989? 1990-05-31
JP??02-269398? 1990-10-09
JP??02-269397 1990-10-09
JP26939790 1990-10-09
JP??02-269398 1990-10-09
JP26939890 1990-10-09
JP??02-269397? 1990-10-09
JP03-091614 1991-03-29
JP9161491 1991-03-29
JP03-093717 1991-03-30
JP9343491 1991-03-30
JP03-093434 1991-03-30
JP9371791 1991-03-30

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KR910020756A true KR910020756A (ko) 1991-12-20
KR960006848B1 KR960006848B1 (ko) 1996-05-23

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US (4) US5583474A (ko)
KR (1) KR960006848B1 (ko)
DE (1) DE4117878C2 (ko)

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US6404317B1 (en) 2002-06-11
KR960006848B1 (ko) 1996-05-23
US5583474A (en) 1996-12-10

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