KR100896405B1 - 손실성 매체를 포함하는 emi 쉴딩 - Google Patents
손실성 매체를 포함하는 emi 쉴딩 Download PDFInfo
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- KR100896405B1 KR100896405B1 KR1020047009989A KR20047009989A KR100896405B1 KR 100896405 B1 KR100896405 B1 KR 100896405B1 KR 1020047009989 A KR1020047009989 A KR 1020047009989A KR 20047009989 A KR20047009989 A KR 20047009989A KR 100896405 B1 KR100896405 B1 KR 100896405B1
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- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
-
- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4277—Protection against electromagnetic interference [EMI], e.g. shielding means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/552—Protection against radiation, e.g. light or electromagnetic waves
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- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0058—Casings specially adapted for optoelectronic applications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
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- H01L2924/16152—Cap comprising a cavity for hosting the device, e.g. U-shaped cap
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- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
Abstract
Description
몇몇의 실시예에서, 손실성 재료는 요구된 효과를 달성하기 위해 다른 재료와 결합될 수 있다. 예를 들어, 손실성 재료는 엄격한 인화성 기준(stringent flammability standards)을 만족시키기 위해 방화제(fire retardant)와 결합될 수 있다. 인화성 기준의 하나는 UL94VO 버티컬 플래임 테스트이며, Underwriyer Laboratories Standard 94, 1996년 제 5판에 "Test for Flammability of Plastic Materials for Parts in Device and Appliances"의 제목으로 상세히 기술되어 있으며, 이는 본 명세서에 전체적으로 참조된다. 일 실시예에 있어서, 방화제는 카르보닐 철 분말과 같은 첨가제가 특정 형태로 준비되어 손실성 재료와 결합되는데, 이에 의해 각 첨가제가 엘라스토머, 또는 레진 바인더와 같은 매트릭스로 부유된다.
Claims (28)
- 고주파수의 전자기 간섭으로부터 쉴드를 제공하기 위한 장치에 있어서,상기 장치는,전기적 도전 프레임 및 상기 전기적 도전 프레임에 부착되는 착탈식 커버를 포함하며, 디바이스의 적어도 일부를 커버하는 전기적-전도성 쉴드와,상기 전기적-전도성 쉴드의 상기 착탈식 커버의 제1 측면상에 배치되는 전자기 흡수재를 포함하며,상기 전자기 흡수재는 실리콘 엘라스토머 및 카르보닐 철 분말을 함유하는 매트릭스를 포함하며, 상기 전자기 흡수재의 두께는 2000 MHz 에서 10,000 MHz 범위 내의 주파수를 갖는 전자기 에너지를 흡수하기 위한 것이며, 상기 전기적-전도성 쉴드와 상기 전자기 흡수재의 결합에 의해서 상기 디바이스에 대한 전자기적 에너지 전달이 감쇄되는, 쉴드 제공 장치.
- 제1항에 있어서,상기 장치는 다바이스를 하우징하는 캐비티를 정의하는 엔클로져(enclosure)를 포함하는, 쉴드 제공 장치.
- 제2항에 있어서,상기 엔클로져는 모든 측면에서 상기 디바이스를 둘러싸는, 쉴드 제공 장치.
- 제2항에 있어서,상기 엔클로져는 보드-장착형 디바이스를 커버하는, 쉴드 제공 장치.
- 제2항에 있어서,상기 전자기 흡수재는 내부 표면의 적어도 일부에 도포되는, 쉴드 제공 장치.
- 제4항에 있어서,상기 엔클로져는 회로 보드에 부착되는, 쉴드 제공 장치.
- 제2항에 있어서,상기 엔클로져는 착탈식으로 부착가능한 커버를 포함하는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전기적-전도성 쉴드는 광섬유 전송기 및 광섬유 수신기중 적어도 하나를 하우징하는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전기적-전도성 쉴드는 기가비트 인터페이스 변환기(GBIC)를 하우징하는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전기적-전도성 쉴드는 소형-형태-인자 플러거블 표준(small-form-factor-pluggable standard)에 부합하는 형태 인자를 포함하는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전기적-전도성 쉴드는 알루미늄, 구리, 니켈, 주석, 은, 금, 베릴륨, 인청동(phosphor bronze), 스틸, 스테인레스 스틸 및 이들의 조합으로 이루어진 그룹으로부터 선택되는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전기적-전도성 쉴드는 시트(sheet) 금속을 포함하는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전자기 흡수재는 전기적 전도성 재료, 카르보닐기 철 분말, 센더스트(sendust), 페라이트, 철 실리사이드, 자기 합금, 자기 플레이크(flake) 및 이들의 조합으로 이루어진 그룹으로부터 선택되는 전기적 전도성 재료를 더 포함하는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전자기 흡수재는 매트릭스 형태로 부유되는 전기적 흡수성 미립자를 포함하는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전자기 흡수재는,전기적 전도성 재료, 탄소,카르보닐 철 분말, 센더스트(sendust), 페라이트, 철 실리사이드, 자기 합금, 자기 플레이크(flake), 스틸 울(steel wool), 탄소-침지된 고무(carbon-impregnated rubber), 플라스틱 나선형 캐리어(plastic stranded carrier)의 페라이트, 금속 호일, 철, 니켈 및 철/니켈 조성물을 포함하는 금속 클래드(clad) 재료, 철, 니켈, 에폭시를 갖는 구리, 락커 바인더(lacquer binders) 및 이들의 조합으로 이루어진 그룹으로부터 선택된 페이스트 조성물, 및 이들의 조합으로 이루어진 그룹으로부터 선택되는 전기적 전도성 재료를 더 포함하는, 쉴드 제공 장치.
- 제1항에 있어서,상기 전자기 흡수재는 감압성 접착제를 이용하여 부착되는, 쉴드 제공 장치.
- 디바이스에 대한 고주파수 전자기 에너지의 전달을 감쇄시키기 위한 방법에 있어서,디바이스의 적어도 일부를 커버하는 전기적-전도성 쉴드에서 전자기 에너지를 반사시키는 단계 -상기 전기적-전도성 쉴드는 상기 디바이스로의 액세스를 허용하는 개구를 갖는 전기적 도전 프레임과, 상기 디바이스를 커버하기 위해 상기 전기적 도전 프레임에 착탈식으로 부착되는 커버를 포함함- 와,상기 전기적-전도성 쉴드와 관련된 전자기 공진을 변경시키는 단계와,실리콘 엘라스토머 및 카르보닐 철 분말을 함유하는 매트릭스를 포함하는 전자기 흡수재에 의해 상기 전기적-전도성 쉴드에 근접한 전자기 에너지의 일부를 흡수함에 따라 상기 디바이스에 대한 전자기 에너지의 전달을 감소시키는 단계를 포함하며,상기 전자기 흡수재의 두께는 2000 MHz 에서 10,000 MHz 범위 내의 주파수를 갖는 전자기 에너지를 흡수하기 위한 것인, 에너지 전달 감쇄 방법.
- 제17항에 있어서,상기 전자기 공진을 변경시키는 단계는,상기 전자기 공진의 피크 진폭을 감소시키는 단계를 포함하는, 에너지 전달 감쇄 방법.
- 디바이스에 대한 고주파수 전자기 에너지의 전달을 감쇄시키기 위한 방법에 있어서,디바이스의 적어도 일부를 커버하는 전기적-전도성 쉴드를 제공하는 단계 -상기 전기적-전도성 쉴드는 상기 디바이스로의 액세스를 허용하는 개구를 갖는 전기적 도전 프레임과, 상기 디바이스를 커버하기 위해 상기 전기적 도전 프레임에 착탈식으로 부착되는 커버를 포함함- 와,실리콘 엘라스토머 및 카르보닐 철 분말을 함유하는 매트릭스를 포함하는 전자기 흡수재를 제공하는 단계와,상기 전기적-전도성 쉴드의 적어도 일부를 상기 전자기 흡수재로 처리하는 단계와,처리된 상기 전기적-전도성 쉴드를 상기 디바이스에 근접하여 배치하는 단계를 포함하며,상기 전자기 흡수재의 두께는 2000 MHz 에서 10,000 MHz 범위 내의 주파수를 갖는 전자기 에너지를 흡수하기 위한 것이며, 처리된 상기 전기적-전도성 쉴드는 상기 디바이스에 대한 전자기적 에너지의 전달을 감소시키는, 에너지 전달 감쇄 방법.
- 제19항에 있어서,상기 처리 단계는 상기 전자기 흡수재를 상기 전기적-전도성 쉴드의 제1 측면에 도포하는 단계를 포함하는 에너지 전달 감쇄 방법.
- 제19항에 있어서,상기 처리는 페인팅, 딥핑(dipping), 분사(spraying), 기상 증착, 실크 스크리닝(silk screening), 기계적 고정(mechanically fastening), 화학적 본딩(bonding) 및 이들의 조합으로 이루어진 그룹으로부터 선택되는 에너지 전달 감쇄 방법.
- 제19항에 있어서,상기 처리는, 상기 전자기 흡수재를 상기 전기적-전도성 쉴드상에 몰딩, 성형(formiong) 및 소정 위치에서의 형성중 적어도 하나를 포함하는 에너지 전달 감쇄 방법.
- 제19항에 있어서,전자기 흡수재를 제공하는 상기 단계는,선정된 두께를 갖는 흡수재의 시트(sheet)를 형성하는 단계와,상기 전기적-전도성 쉴드의 제1 측면에 도포하기 위해 상기 흡수재의 시트를 개조하는(adapting) 단계를 포함하는, 에너지 전달 감쇄 방법.
- 제23항에 있어서,상기 전기적-전도성 쉴드의 제1 측면에 도포하기 위해 상기 흡수재의 시트를 개조하는 상기 단계는,상기 흡수재의 시트의 적어도 한 측면에 화학적 고정재(fastener)를 도포하는 단계를 포함하는 에너지 전달 감쇄 방법.
- 제23항에 있어서,상기 전기적-전도성 쉴드의 제1 측면에 도포하기 위해 상기 흡수재의 시트를 개조하는 상기 단계는,상기 흡수재의 시트의 적어도 한 측면에 감압성 접착제를 도포하는 단계를 포함하는 에너지 전달 감쇄 방법.
- 디바이스에 대한 고주파수 전자기 에너지의 전달을 감쇄시키기 위한 장치에 있어서,상기 장치는,디바이스의 적어도 일부를 커버하며, 전자기 에너지를 반사시키기 위한 수단 -상기 전자기 에너지를 반사시키기 위한 수단은 상기 디바이스로의 액세스를 허용하는 개구를 갖는 전기적 도전 프레임과, 상기 디바이스를 커버하기 위해 상기 전기적 도전 프레임에 착탈식으로 부착되는 커버를 포함함- 과,상기 전자기 에너지를 반사시키기 위한 수단과 관련된 전자기 공진을 변경시키기 위한 수단과,전자기 에너지의 일부를 흡수하기 위한 수단을 포함하며,상기 전자기 에너지의 일부를 흡수하기 위한 수단은 실리콘 엘라스토머 및 카르보닐 철 분말을 함유하는 매트릭스를 포함하며, 상기 전자기 에너지의 일부를 흡수하기 위한 수단의 두께는 2000 MHz 에서 10,000 MHz 범위 내의 주파수를 갖는, 에너지 전달 감쇄 장치.
- 제26항에 있어서,상기 전자기 에너지를 반사시키기 위한 수단은 전기적-전도성 쉴드를 포함하는, 에너지 전달 감쇄 장치.
- 제26항에 있어서,상기 전자기 공진을 변경시키기 위한 수단은 전자기적 흡수재를 포함하는 에너지 전달 감쇄 장치.
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PCT/US2002/040044 WO2004041306A2 (en) | 2001-12-14 | 2002-12-13 | Emi shielding including a lossy medium |
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- 2002-12-13 EP EP02808003A patent/EP1518273A2/en not_active Ceased
- 2002-12-13 JP JP2004549860A patent/JP2006506802A/ja active Pending
- 2002-12-13 US US10/319,797 patent/US7135643B2/en not_active Expired - Lifetime
- 2002-12-13 AU AU2002368327A patent/AU2002368327A1/en not_active Abandoned
- 2002-12-13 CN CN028281071A patent/CN1639866B/zh not_active Expired - Lifetime
- 2002-12-13 KR KR1020047009989A patent/KR100896405B1/ko active IP Right Grant
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Also Published As
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WO2004041306A2 (en) | 2004-05-21 |
AU2002368327A8 (en) | 2004-06-07 |
JP2006506802A (ja) | 2006-02-23 |
CN1639866A (zh) | 2005-07-13 |
US7135643B2 (en) | 2006-11-14 |
EP1518273A2 (en) | 2005-03-30 |
WO2004041306A3 (en) | 2005-01-06 |
AU2002368327A1 (en) | 2004-06-07 |
US20040001299A1 (en) | 2004-01-01 |
KR20040089097A (ko) | 2004-10-20 |
CN101820741A (zh) | 2010-09-01 |
CN1639866B (zh) | 2010-04-28 |
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