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公开(公告)号：KR1020120072017A
公开(公告)日：2012-07-03
申请号：KR1020100133779
申请日：2010-12-23
Applicant: 한국전자통신연구원 , 중앙대학교 산학협력단
Abstract: PURPOSE: A zeroth-order resonant meta-antenna combined with an artificial magnetic conductor is provided to minimize a feature change of an antenna due to the approach of a human body and reduce the size of the antenna by using the zeroth-order resonance of meta-materials. CONSTITUTION: A ground surface is arranged on the same surface as a substrate. A feeding line receives a signal from the outside. A transmission line transmits a signal supplied through the feeding line. An artificial magnetic conductor(200) is combined with the lower side of a zeroth-order resonant meta-antenna(10). The artificial magnetic conductor includes a ground layer and a unit cell pattern.
Abstract translation: 目的：提供与人造磁导体组合的零级谐振元天线，以最小化由于人体的接近而导致的天线的特征变化，并通过使用元件的零阶共振来减小天线的尺寸 - 材料。 构成：地面位于与基板相同的表面上。 送料线从外部接收信号。 传输线传送通过馈送线提供的信号。 人造磁导体（200）与零级谐振元天线（10）的下侧组合。 人造磁性导体包括接地层和单元电池图案。
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公开(公告)号：KR1020120031855A
公开(公告)日：2012-04-04
申请号：KR1020100133403
申请日：2010-12-23
Applicant: 한국전자통신연구원
Inventor： 곽상일
IPC: H01Q1/52 , H01Q1/24 , H04B1/3827
CPC classification number: H01Q1/526 , H01Q1/245 , H04B1/3838
Abstract: PURPOSE: An apparatus for protecting a human body from an electromagnetic wave is provided to suppress an absorption rate of an electromagnetic wave by controlling a radiation pattern from an electronic device through a radiator which comprises an antenna. CONSTITUTION: An antenna board is arranged in the upper center of a periodic structure. An antenna is formed on an antenna board. A via(145) grounds the antenna board and the antenna. A feeding terminal(147) feeds a signal by electrically connecting the antenna board and the antenna. A plurality of unit cells are periodically arranged on the periodic structure.
Abstract translation: 目的：提供一种用于保护人体免受电磁波的设备，以通过通过包括天线的辐射器控制来自电子设备的辐射图来抑制电磁波的吸收率。 构成：天线板布置在周期性结构的上部中心。 在天线板上形成天线。 通孔（145）将天线板和天线接地。 馈电端子（147）通过电连接天线板和天线来馈送信号。 在周期性结构上周期性地布置多个单元电池。
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公开(公告)号：KR101077557B1
公开(公告)日：2011-10-28
申请号：KR1020090065577
申请日：2009-07-17
Applicant: 한국전자통신연구원
Abstract: 본발명의일 실시예는전자파흡수체총 중량을기준으로 60~90 중량%의연자성금속분말; 및전자파흡수체총 중량을기준으로 10~40 중량%의, 폴리아미드-러버블록공중합체와에폭시수지가 1:1 내지 5:1(폴리아미드-러버블록공중합체:에폭시수지)의중량비로혼합된고분자수지조성물을포함하는전자파흡수체에관한것이다. 또한, 본발명의다른일 실시예는폴리아미드-러버블록공중합체와에폭시수지를 1:1 내지 5:1(폴리아미드-러버블록공중합체:에폭시수지)의중량비로혼합하여고분자수지조성물을형성하는단계; 전자파흡수체총 중량을기준으로, 10~40 중량%의상기고분자수지조성물을용매에분산시키는단계; 상기고분자수지조성물의분산액에전자파흡수체총 중량을기준으로, 60~90 중량%의연자성금속분말을혼합한후, 균질화하여혼련하는단계; 및상기혼련된혼합물을건조시켜용매를제거하는단계를포함하는전자파흡수체의제조방법에관한것이다. 본발명에따른전자파흡수체는특히 ISM 대역중 2.4 ㎓(2.4~2.4835 ㎓) 주파수대역에서 -5dB 이하의반사손실값을갖는우수한전자파흡수효과를발휘할수 있다.
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Patent Agency Ranking
公开(公告)号：KR101042601B1
公开(公告)日：2011-06-20
申请号：KR1020080044515
申请日：2008-05-14
Applicant: 한국전자통신연구원
IPC: H05K9/00
CPC classification number: H01Q17/00
Abstract: 저항성 재질을 이용한 공진형 전자파 흡수체가 개시된다. 본 발명은 금속 도체층으로 형성된 접지층과 접지층 상에 형성된 유전체층, 그리고 유전체층 상에 형성된 저항성 재질로 이루어진 단위셀 패턴을 포함하는 둘 이상의 단위셀이 주기적으로 배열되어 있는 전자파 흡수체에 관한 것이다.
본 발명에 따르면, 일반적인 전자파 흡수체에 비해 제조 과정이 간단하고, 흡수 주파수 대역 및 흡수 특성을 쉽게 조정할 수 있다. 게다가, 기존의 평판형 공진형 전자파 흡수체에 비해 더 얇은 두께로 제작이 가능한 효과가 있다.
전자파 흡수체, 공진 주파수, 대역폭, 저항성 재질, 단위셀, 주기-
公开(公告)号：KR1020110019089A
公开(公告)日：2011-02-25
申请号：KR1020090076667
申请日：2009-08-19
Applicant: 한국전자통신연구원
CPC classification number: H01Q1/245 , H01Q1/38 , H01Q9/0407 , H04B1/3838
Abstract: PURPOSE: An apparatus for reducing electromagnetic wave and a method for optimally designing the same are provided to minimize the human body absorbent rate of the electromagnetic wave by changing the thickness of a dielectric layer and the position of an antenna. CONSTITUTION: Metal cells(102) are formed on a dielectric layer which is arranged at the lower part of an antenna(104). The gaps and the sizes of the metal cells are adjusted to set a frequency band required for the reduction of electromagnetic wave. The number of the metal cells in a unit area is reduced by adjusting the gaps of the metal cells in order to reduce the human body absorbent rate of the electromagnetic wave.
Abstract translation: 目的：提供一种减少电磁波的装置及其最佳设计方法，以通过改变电介质层的厚度和天线的位置来最小化电磁波的人体吸收率。 构成：金属电池（102）形成在布置在天线（104）的下部的电介质层上。 调整金属电池的间隙和尺寸以设定减小电磁波所需的频带。 为了降低电磁波的人体吸收率，通过调整金属电池的间隙来减少单位面积内的金属电池的数量。
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公开(公告)号：KR1020100073223A
公开(公告)日：2010-07-01
申请号：KR1020080131836
申请日：2008-12-23
Applicant: 한국전자통신연구원
CPC classification number: H05K1/0236 , H05K2201/09309 , H05K2201/09627
Abstract: PURPOSE: An arranging structure of an electromagnetic wave controlling structure is provided to improve a SI/PI and an EMI property by forming the electromagnetic wave controlling structure on a power plane and a ground plane in a multilayer PCB and a package structure. CONSTITUTION: An electromagnetic wave controlling structure is formed on a part of a power layer(265) or a ground layer(260). A rest of the power layer or the ground layer is used as a returning current route of a semiconductor device. A driver circuit(210) is connected to the power layer and the ground layer through a via(232). A signal wire(250) transfers the signal from the driver circuit to a load(220). A dielectric layer(270) is formed between the power layer and the grounding layer. An electromagnetic wave controlling structure blocks a transmission of a SSN generated from the dielectric layer.
Abstract translation: 目的：提供电磁波控制结构的布置结构，通过在多层PCB和封装结构中的电源平面和接地平面上形成电磁波控制结构来提高SI / PI和EMI性能。 构成：在功率层（265）或接地层（260）的一部分上形成电磁波控制结构。 功率层或接地层的其余部分被用作半导体器件的返回电流路径。 驱动电路（210）通过通孔（232）连接到功率层和接地层。 信号线（250）将来自驱动器电路的信号传送到负载（220）。 在功率层和接地层之间形成介电层（270）。 电磁波控制结构阻止从电介质层产生的SSN的透射。
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公开(公告)号：KR1020090118617A
公开(公告)日：2009-11-18
申请号：KR1020080044515
申请日：2008-05-14
Applicant: 한국전자통신연구원
IPC: H05K9/00
CPC classification number: H01Q17/00
Abstract: PURPOSE: A resonant electric wave absorber is provided to simplify a manufacturing process using a structure of an electromagnetic band- gap and a resistive material. CONSTITUTION: An electromagnetic wave absorber includes periodically arranged unit cells(100). Each unit cell includes a ground layer(115), a dielectric layer(110) and a unit cell pattern(105). The ground layer is made of the metal conductor. The dielectric layer is formed on the ground layer. The unit cell pattern is formed on the dielectric layer. The unit cell pattern is made of resistive materials and includes a basic pattern and a semi-orthogonal dipole patch. The basic patch is positioned in the center of the unit cell pattern. The semi-orthogonal dipole patch is arranged in upper, lower, left, and right sides.
Abstract translation: 目的：提供一种谐振电波吸收器，以简化使用电磁带隙和电阻材料结构的制造工艺。 构成：电磁波吸收体包括周期性布置的单体电池（100）。 每个单元电池包括接地层（115），电介质层（110）和单元电池图案（105）。 接地层由金属导体制成。 介电层形成在接地层上。 在电介质层上形成单元电池图形。 单元电池图案由电阻材料制成并且包括基本图案和半正交偶极子贴片。 基本补丁位于单元格图案的中心。 半正交偶极子贴片布置在上，下，左，右两侧。
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公开(公告)号：KR1020090061151A
公开(公告)日：2009-06-16
申请号：KR1020070128033
申请日：2007-12-11
Applicant: 한국전자통신연구원
CPC classification number: H05K9/0067 , H05K5/0021 , Y10T29/49002 , G06F1/181 , G06F1/182 , H05K5/0217 , H05K9/0007
Abstract: A metal structure, a unit structure, and a method for forming the metal structure are provided to reduce a surface current on a metal structure of an electronic product by using an electromagnetic band gap. A metal structure for preventing electrostatic discharge includes an electromagnetic band gap(100), a metal structure(110), an opening part(120), and a unit structure(130). The opening part is formed a front surface of the metal structure. The electromagnetic band gap suppresses a current generated by the electrostatic discharge. The electromagnetic band gap is formed by an arrangement of the unit structure. The unit structure has a triangle or a rectangular shape. The electromagnetic band gap is formed by using a metal patch and a dielectric. The dielectric is formed between the electromagnetic band gap and a metal plate. The dielectric supports the electromagnetic band gap.
Abstract translation: 提供金属结构，单元结构和用于形成金属结构的方法，以通过使用电磁带隙来减小电子产品的金属结构上的表面电流。 用于防止静电放电的金属结构包括电磁带隙（100），金属结构（110），开口部分（120）和单元结构（130）。 开口部形成为金属结构体的前表面。 电磁带隙抑制由静电放电产生的电流。 电磁带隙由单元结构的布置形成。 单位结构具有三角形或矩形。 通过使用金属贴片和电介质形成电磁带隙。 在电磁带隙与金属板之间形成电介质。 电介质支持电磁带隙。
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