KR970706588A - 복합 자성재료와 이 복합 자성재료를 이용한 전자파 간섭억제체(composite magnetic meterial and product for eliminating electromagnetic interference) - Google Patents
복합 자성재료와 이 복합 자성재료를 이용한 전자파 간섭억제체(composite magnetic meterial and product for eliminating electromagnetic interference)Info
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- KR970706588A KR970706588A KR1019970701959A KR19970701959A KR970706588A KR 970706588 A KR970706588 A KR 970706588A KR 1019970701959 A KR1019970701959 A KR 1019970701959A KR 19970701959 A KR19970701959 A KR 19970701959A KR 970706588 A KR970706588 A KR 970706588A
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Abstract
고주파전자장치, 특히, 이동통신장치의 내부에서 전자간섭억제에 효과적인 전자파간섭억제체에 이용되는 복합자성재료를 제공하기 위해, 복합자성재료는, 연자성체분말과 유기결합제로 실질적으로 이루어지는 전기적으로 비양도성이고, 2개 이상의 이방성자계(Hk)에 의해 초래되는 자기공명을 2개 이상 가진다.
또한, 상기 복합자성재료에 있어서, 상기 이방성자계(Hk)는 서로 다른 크기를 가진다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 본 발명에 의한 전자간섭억제체의 특성평가에 사용하는 평가계의 개략도, 제6도는 본 발명에 의한 평가시료 1의 복합자성재료의 m-f 특성곡선을 도시한 그래프.
Claims (22)
- 연자성체분말과 유기결합제로 이루어지는 전기적으로 비양소성인 자성재료이며, 상기 자성재료는 서로 다른 주파수영역에 출현하는 복수의 자기공명을 가지는 것을 특징으로 하는 복합자성재료.
- 제1항에 있어서, 상기 서로 다른 주파수 영역에 출현하는 복수의 자기공명은 서로 다른 크기를 가지는 복수의 이방성자계(Hk)에 의해 초래되는 것을 특징으로 하는 복합자성재료.
- 전기적으로 비양도성을 가지며 연자성체 분말과 유기결합제로 이루어지는 복합자성재료로 이루어지며, 2개의 이상의 이방성자게(Hk)에 의해 발생하는 마이크로파 주파수영역에 출현하는 복수의 자기공명중 2개 이상의 자기공명을 가지며, 상기 이방성자계는 서로 다른 크기를 구비하고 있는 것을 특징으로 하는 전자간섭억제체.
- 제3항에 있어서, 상기 복합자성재료는 복수의 자기공명을 구비하고, 상기 복수의 자기공명은 각각 다른 크기의 이방성자계에 대응하여 서로 다른 주파수영역에 출현하고, 상기 복수의 자기공명중 가장 낮은 것은 상기 복합자성재료층에 의해 발생하는 전자간섭억제주파수대역의 하한보다도 낮은 주파수영역에 있는 것을 특징으로 하는 전자간섭억제체.
- 제4항에 있어서, 상기 연자성체분말은 서로다른 크기의 자기이방성을 가지는 적어도 2종의 연자성체분말의 혼합체인 것을 특징으로 하는 전자간섭억제체.
- 제4항에 있어서, 상기 연자성체분말은 표면에 산화물층을 구비하고 있는 것을 특징으로 하는 전자간섭억제체.
- 적어도 2종의 서로 다른 크기의 자기이방성을 가지는 연자성체분말과 유기결합제를 혼합하여 성형함으로써, 전기적으로 비양도성이며 서로 다른 크기의 이방성 자계(Hk)에 의해서 초래되는 자기공명을 적어도 두개를 가지는 복합자성체를 얻는 것을 특징으로 하는 복합자성체의 제조방법.
- 제7항에 있어서, 상기 연자성체분말은 표면에 산화물층을 구비하고 있는 것을 특징으로 하는 복합자성체의 제조방법.
- 제7항에 있어서, 상기 연자성체분말은 상기 유기결합제와 혼합하기 전단계에 또는 혼합과정중에 기상서산법 또는 액상서산법을 이용하여 산소함유혼합가스에 의해 그 표면이 산화되는 것을 특징으로 하는 복합자성체의 제조방법.
- 인쇄배선기판의 단면 또는 양면에 도체배선을 가지고, 도전성지지체와 상기 도전성지지체의 양면에 설비된 복합자성재료층을 가지며, 상기 복합자성재료층이 절연성을 가지는 안쇄배선기판에 있어서, 상기 복합자성 재료층은 연자성체분말과 유기결합제로 이루어지는 전기적으로 비양도성이고 2개 이상의 이방성자계(Hk)에 의해 초래되는 자기공명을 적어도 두개 가지는 복합자성재료로 이루어지며, 상기 이방성자계(Hk)는 서로 다른 크기를 가지는 것을 특징으로 하는 인쇄배선기판.
- 제10항에 있어서, 상기 각층중 적어도 하나는 표면에 유전체층을 구비하고 있는 것을 특징으로 하는 인쇄배선기판.
- 제10항에 있어서, 상기 각 층중 적어도 하나는 유전체분말을 함유하고 있는 것을 특징으로 하는 인쇄배선기판.
- 제10항에 있어서, 상기 복합자성재료는 복수의 자기공명을 구비하고, 상기 복수의 자기공명내의 각각 다른 크기의 이방성자계에 대응하는 서로 다른 주파수영역에서 출현하고, 상기 복수의 자기공명내에서 가장 낮은 것은 상기 복합자성재료층에 의해 발생하는 전자간섭억제주파수대역의 하한보다도 낮은 주파수 영역에 있는 것을 특징으로 하는 인쇄배선기판.
- 제13항에 있어서, 상기 연자성체분말은 다른 크기의 자기이방성을 가지는 적어도 2종의 연자성체분말의 혼합체인 것을 특징으로 하는 인쇄배선기판.
- 제14항에 있어서, 상기 연자성체분말은 센더스트, 철-니켈합금, 스피넬형페라이트, 플래너형페라이트 중 적어도 1종인 것을 특징으로 하는 인쇄배선기판.
- 인쇄배선기판과 상기 인쇄배선기판에 탑재된 능동소자를 가지고, 상기 능동소자가 방사유도노이즈를 발생하는 전자장치에 있어서, 상기 능동소자의 주변에 형성된 복합자성재료층을 가지며, 상기 복합자성재료층은 연자성체분말과 유기결합제로 실질적으로 이루어지는 전기적으로 비양도성이며 2개 이상의 이방성자계(Hk)에 의해 초래되는 자기공명을 적어도 두 개 가지며, 상기 이방성자계(Hk)는 서로 다른 크기를 가지는 것을 특징으로 하는 전자장치.
- 제16항에 있어서, 상기 복합자성재료는 복수의 자기공명을 구비하고, 상기 복수의 자기공명내의 각각 다른 크기의 이방성자계에 대응하여 서로 다른 주파수영역에서 출현하며, 상기 복수의 자기공명중 가장 낮은 것은 상기 복합자성재료층에 의해 발생하는 전자간섭억제주파수대역의 하한보다도 낮은 주파수영역에 있는 것을 특징으로 하는 전자장치.
- 제17항에 있어서, 상기 연자성체분말은 다른 크기의 자기이방성을 가지는 적어도 2종의 연자성체분말의 혼합체인 것을 특징으로 하는 전자장치.
- 제18항에 있어서, 상기 연자성체분말은 센더스트, 철-니켈합급, 스피넬형페라이트, 및 플레너형페라이트 중 적어도 1종이상인 것을 특징으로 하는 전자장치.
- 제16항에 있어서, 상기 복합자성재료층은 상기 인쇄배선기판과 상기 능동소자간에 형성되어 있는 것을 특징으로 하는 전자장치.
- 제16항에 있어서, 상기 인쇄배선기판은 복수의 도전성패턴을 표면에 구비하고, 상기 복합자성재료층은 상기 도전성패턴간에 형성되어 있는 것을 특징으로 하는 전자장치.
- 제16항에 있어서, 상기 복합자성재료층은 상기 능동소자를 상기 인쇄기판과 함께 덮는 커버의 안쪽에 형성되어 있는 것을 특징으로 하는 전자장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1995-183911 | 1995-07-20 | ||
JP7183911A JPH0935927A (ja) | 1995-07-20 | 1995-07-20 | 複合磁性体及びそれを用いた電磁干渉抑制体 |
PCT/JP1996/002040 WO1997004469A1 (fr) | 1995-07-20 | 1996-07-22 | Materiau magnetique composite et produit pour eliminer les interferences electromagnetiques |
Publications (2)
Publication Number | Publication Date |
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KR970706588A true KR970706588A (ko) | 1997-11-03 |
KR100267358B1 KR100267358B1 (ko) | 2000-10-16 |
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KR1019970701959A KR100267358B1 (ko) | 1995-07-20 | 1996-07-22 | 복합자성체,이복합자성체를이용하는전자파간섭억제체,인쇄배선기판및전자장치와복합자성체를제조하기위한방법 |
Country Status (8)
Country | Link |
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EP (1) | EP0785557B1 (ko) |
JP (1) | JPH0935927A (ko) |
KR (1) | KR100267358B1 (ko) |
CN (1) | CN1135574C (ko) |
DE (1) | DE69604771T2 (ko) |
HK (1) | HK1001438A1 (ko) |
TW (1) | TW305048B (ko) |
WO (1) | WO1997004469A1 (ko) |
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-
1995
- 1995-07-20 JP JP7183911A patent/JPH0935927A/ja active Pending
-
1996
- 1996-07-20 TW TW085108847A patent/TW305048B/zh not_active IP Right Cessation
- 1996-07-22 CN CNB961910607A patent/CN1135574C/zh not_active Expired - Lifetime
- 1996-07-22 EP EP96924176A patent/EP0785557B1/en not_active Expired - Lifetime
- 1996-07-22 DE DE69604771T patent/DE69604771T2/de not_active Expired - Lifetime
- 1996-07-22 KR KR1019970701959A patent/KR100267358B1/ko not_active IP Right Cessation
- 1996-07-22 WO PCT/JP1996/002040 patent/WO1997004469A1/ja active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
KR100267358B1 (ko) | 2000-10-16 |
CN1135574C (zh) | 2004-01-21 |
CN1165579A (zh) | 1997-11-19 |
EP0785557B1 (en) | 1999-10-20 |
EP0785557A1 (en) | 1997-07-23 |
EP0785557A4 (ko) | 1997-07-30 |
HK1001438A1 (en) | 1998-06-19 |
DE69604771T2 (de) | 2000-03-09 |
WO1997004469A1 (fr) | 1997-02-06 |
JPH0935927A (ja) | 1997-02-07 |
TW305048B (ko) | 1997-05-11 |
DE69604771D1 (de) | 1999-11-25 |
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