JP2017050532A - 電磁干渉を低減する構造および方法 - Google Patents
電磁干渉を低減する構造および方法 Download PDFInfo
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- JP2017050532A JP2017050532A JP2016148739A JP2016148739A JP2017050532A JP 2017050532 A JP2017050532 A JP 2017050532A JP 2016148739 A JP2016148739 A JP 2016148739A JP 2016148739 A JP2016148739 A JP 2016148739A JP 2017050532 A JP2017050532 A JP 2017050532A
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- 238000000034 method Methods 0.000 title claims description 30
- 239000004020 conductor Substances 0.000 claims abstract description 91
- 239000002184 metal Substances 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 239000003990 capacitor Substances 0.000 claims abstract description 24
- 239000012212 insulator Substances 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- BNPSSFBOAGDEEL-UHFFFAOYSA-N albuterol sulfate Chemical compound OS(O)(=O)=O.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 BNPSSFBOAGDEEL-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
Images
Classifications
-
- 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
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/185—Mounting of expansion boards
-
- 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
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
-
- 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
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
- H05K7/142—Spacers not being card guides
-
- 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
- H05K9/002—Casings with localised screening
- H05K9/0039—Galvanic coupling of ground layer on printed circuit board [PCB] to conductive casing
-
- 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
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/023—Reduction of cross-talk, noise or electromagnetic interference using auxiliary mounted passive components or auxiliary substances
- H05K1/0231—Capacitors or dielectric substances
-
- 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
- H05K1/14—Structural association of two or more printed circuits
- H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10015—Non-printed capacitor
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/1031—Surface mounted metallic connector elements
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
110 回路基板
112 上面
113 下面
114 接地回路
116 接地接点
120 拡張スロット
122 開口
124 接続側
126 基板側
128 金属ピン
130 導電体
140 絶縁体
200 メモリカード
300 金属筐体
C キャパシタ
P 中線
Claims (16)
- 上面および接地回路を有する回路基板と、
前記回路基板の前記上面上に配置され、前記回路基板に電気的に接続された少なくとも1つの金属ピンを有する拡張スロットと、
前記回路基板の前記上面の上方に位置する導電体と、
を備え、
前記導電体と前記拡張スロットの前記金属ピンとの間にはギャップが維持され、キャパシタが形成される、電磁干渉を低減する構造。 - 前記拡張スロットは、互いに対向する接続側および基板側を有し、
前記拡張スロットの開口は、前記接続側に位置し、
前記拡張スロットの前記開口の指示方向は、前記回路基板に対して平行であり、
前記金属ピンは前記基板側に対応して配置される、請求項1に記載の電磁干渉を低減する構造。 - 前記導電体と前記回路基板の前記上面との間にギャップが維持され、前記導電体と前記接地回路との間に別のキャパシタが形成される、請求項1または2に記載の電磁干渉を低減する構造。
- 前記導電体を覆う絶縁体をさらに備える、請求項3に記載の電磁干渉を低減する構造。
- 前記導電体と前記拡張スロットとの間、および前記導電体と前記回路基板の前記上面との間に配設された絶縁体をさらに備える、請求項3に記載の電磁干渉を低減する構造。
- 前記回路基板上にさらに接地接点が配置され、
前記接地接点は、前記回路基板の前記上面上に位置し、前記接地回路に電気的に接続され、
前記導電体は前記接地接点と接触する、請求項1または2に記載の電磁干渉を低減する構造。 - 前記上面とのギャップを維持し、前記導電体と接触して電気伝導を形成する、金属筐体をさらに備える、請求項6に記載の電磁干渉を低減するための構造。
- 前記導電体と前記拡張スロットとの間に配置された絶縁体をさらに備える、請求項6または7に記載の電磁干渉を低減する構造。
- 回路基板を構成するステップであって、前記回路基板は上面を有し、前記回路基板は接地回路に電気的に接続されるステップと、
少なくとも1つの金属ピンを有する拡張スロットを設けるステップであって、前記拡張スロットは前記回路基板の前記上面上に配置され、前記金属ピンは前記回路基板に電気的に接続されるステップと、
導電体を設けるステップであって、前記導電体は前記回路基板の前記上面上に配置され、前記導電体と前記拡張スロットの前記金属ピンとの間にギャップが維持され、キャパシタが形成されるステップと、
を含む、電磁干渉を低減する方法。 - 前記拡張スロットは、互いに対向する接続側および基板側を有し、
前記拡張スロットの開口は、前記接続側に位置し、
前記拡張スロットの前記開口の指示方向は、前記回路基板に対して平行であり、
前記金属ピンは前記基板側に対応して配置される、請求項9に記載の電磁干渉を低減する方法。 - 前記導電体と前記回路基板の前記上面との間にギャップを維持することによってキャパシタを形成するステップをさらに含む、請求項9または10に記載の電磁干渉を低減する方法。
- 前記導電体を覆うための絶縁体を設けるステップをさらに含む、請求項11に記載の電磁干渉を低減する方法。
- 絶縁体を設けるステップであって、前記絶縁体は、前記導電体と前記拡張スロットとの間、および前記導電体と前記回路基板の前記上面との間に配設されるステップをさらに含む、請求項12に記載の電磁干渉を低減する方法。
- 接地接点を設けるステップであって、前記接地接点は前記回路基板の前記上面上に配置され、前記接地回路に電気的に接続され、前記導電体は前記接地接点と接触するステップをさらに含む、請求項9または10に記載の電磁干渉を低減する方法。
- 金属筐体を設けるステップであって、前記金属筐体は、前記上面とのギャップを維持し、前記導電体と接触して電気伝導を形成するステップをさらに含む、請求項14に記載の電磁干渉を低減する方法。
- 絶縁体を設けるステップであって、前記絶縁体は、前記導電体と前記拡張スロットとの間に配置されるステップをさらに含む、請求項14または15に記載の電磁干渉を低減する方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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TW104124686 | 2015-07-30 | ||
TW104124686A TWI535341B (zh) | 2015-07-30 | 2015-07-30 | Reduce the structure of electromagnetic interference and reduce the electromagnetic interference method |
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JP2017050532A true JP2017050532A (ja) | 2017-03-09 |
JP6444949B2 JP6444949B2 (ja) | 2018-12-26 |
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Country Status (4)
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US (1) | US9775267B2 (ja) |
EP (1) | EP3125069B1 (ja) |
JP (1) | JP6444949B2 (ja) |
TW (1) | TWI535341B (ja) |
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KR102454815B1 (ko) * | 2018-02-21 | 2022-10-17 | 삼성전자주식회사 | 브라켓과 용량성 결합을 형성하고, 상기 브라켓에 배치된 복수의 회로 기판들의 접지부들과 전기적으로 연결된 도전성 부재를 포함하는 전자 장치 |
TWI665834B (zh) * | 2018-04-11 | 2019-07-11 | 和碩聯合科技股份有限公司 | 高速訊號連接器模組 |
US11457524B2 (en) * | 2019-04-29 | 2022-09-27 | Nxp B.V. | Integrated filter for de-sense reduction |
CN113271759B (zh) * | 2021-05-12 | 2022-11-01 | 上海宏景智驾信息科技有限公司 | 一种汽车域控制器 |
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2015
- 2015-07-30 TW TW104124686A patent/TWI535341B/zh active
-
2016
- 2016-07-19 US US15/213,414 patent/US9775267B2/en active Active
- 2016-07-25 EP EP16181081.7A patent/EP3125069B1/en active Active
- 2016-07-28 JP JP2016148739A patent/JP6444949B2/ja active Active
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Publication number | Publication date |
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EP3125069B1 (en) | 2023-10-04 |
TW201705824A (zh) | 2017-02-01 |
TWI535341B (zh) | 2016-05-21 |
US20170034962A1 (en) | 2017-02-02 |
EP3125069A1 (en) | 2017-02-01 |
US9775267B2 (en) | 2017-09-26 |
JP6444949B2 (ja) | 2018-12-26 |
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