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公开(公告)号：KR1020140032756A
公开(公告)日：2014-03-17
申请号：KR1020120099429
申请日：2012-09-07
Applicant: 서울대학교산학협력단
CPC classification number: H01F7/00 , A61K9/0009 , A61K9/5094 , B82Y25/00 , H01F1/0045 , H01F1/0054 , A61K9/16 , A61K9/14 , A61K47/50 , A61K49/08
Abstract: The present invention provides a selective activation method of a magnetic nanoparticle having a magnetic vortex structure. The selective activation method of the magnetic nanoparticle by an embodiment of the present invention comprises the following steps: a step of providing the magnetic nanoparticle with the magnetic vortex structure; a step of applying a first magnetic field to the magnetic nanoparticle for the magnetic nanoparticle to have resonant frequency; and a step of applying a second magnetic field to the magnetic nanoparticle with the resonant frequency for activating the magnetic nanoparticle. [Reference numerals] (S110) Providing a magnetic nanoparticle with magnetic vortex structure; (S120) Applying a first magnetic field to the magnetic nanoparticle for the magnetic nanoparticle to have resonant frequency; (S130) Activating the magnetic nanoparticle by applying a second magnetic field to the magnetic nanoparticle with the resonant frequency
Abstract translation: 本发明提供具有磁涡旋结构的磁性纳米颗粒的选择性活化方法。 本发明实施方案的磁性纳米颗粒的选择性活化方法包括以下步骤：向磁性纳米颗粒提供磁涡旋结构的步骤; 向所述磁性纳米颗粒施加第一磁场以使所述磁性纳米颗粒具有共振频率的步骤; 以及使用具有用于激活磁性纳米颗粒的共振频率的磁性纳米颗粒施加第二磁场的步骤。 （S110）提供具有磁涡旋结构的磁性纳米粒子; （S120）将磁性纳米颗粒的第一磁场施加到磁性纳米颗粒以具有共振频率; （S130）通过以具有共振频率的磁性纳米颗粒施加第二磁场来激活磁性纳米颗粒
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公开(公告)号：KR101409296B1
公开(公告)日：2014-06-24
申请号：KR1020120099429
申请日：2012-09-07
Applicant: 서울대학교산학협력단
CPC classification number: H01F7/00 , A61K9/0009 , A61K9/5094 , B82Y25/00 , H01F1/0045 , H01F1/0054
Abstract: 본 발명은, 자기 소용돌이 구조를 가지는 자성 나노 입자의 선택적 활성화 방법을 제공한다. 본 발명의 일실시예에 따른 자성 나노 입자의 선택적 활성화 방법은, 자기 소용돌이 구조를 가지는 자성 나노 입자를 제공하는 단계; 자성 나노 입자가 공진 주파수를 가지도록, 제1 자기장을 자성 나노 입자에 인가하는 단계; 및 공진 주파수를 가지는 제2 자기장을 자성 나노 입자에 인가하여, 자성 나노 입자를 활성화시키는 단계;를 포함한다.
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公开(公告)号：KR1020140004968A
公开(公告)日：2014-01-14
申请号：KR1020120072500
申请日：2012-07-03
Applicant: 엘에스산전 주식회사 , 서울대학교산학협력단
CPC classification number: H02M1/15 , H01L2924/13091 , H02H7/1213 , H02M3/325 , Y02B70/1491
Abstract: The present invention relates to an apparatus for driving an interleaved full bridge converter, which comprises: a driving switch unit including six driving switches of which one pair is respectively connected in serial to a first leg, a second leg, and a third leg, and generating alternating voltage by switching direct current; a transformer unit, which is divided into two modules, performing voltage transformation with the alternating voltage generated from the driving switch unit according to a winding ratio of a primary winding to a secondary winding; a rectifier and filter unit, which is divided into two modules, outputting an output voltage of the transform unit after rectifying and filtering the output voltage; and a driving control unit outputting switching control signals to the driving switch unit, wherein the driving control unit outputs the switching control signals, based on a waveform of a switching control signal for the second leg, for a waveform of a switching control signal for the first leg to overlap the waveform of the switching control signal for the second leg as much as a first phase angle from the start of the waveform of the switching control signal for the second leg, and for a waveform of a switching control signal for the third leg to overlap the waveform of the switching control signal for the second leg as much as a second phase angle from the end of the waveform of the switching control signal for the second leg.
Abstract translation: 本发明涉及一种用于驱动交错式全桥转换器的装置，该装置包括：驱动开关单元，包括六个驱动开关，其中一对分别串联连接到第一支腿，第二支脚和第三支脚，以及 通过切换直流电产生交流电压; 变压器单元，其被分成两个模块，根据初级绕组与次级绕组的绕组比，根据从驱动开关单元产生的交流电压进行电压变换; 整流器和滤波器单元，其被分成两个模块，在整流和滤波输出电压之后输出变换单元的输出电压; 以及向所述驱动开关单元输出切换控制信号的驱动控制单元，其中，所述驱动控制单元基于所述第二支路的切换控制信号的波形，输出所述切换控制信号的开关控制信号的波形 第一支路，与第二支路的开关控制信号的波形开始时的第二支路的开关控制信号的波形重叠多达第一相位角，以及第三支路的开关控制信号的波形 从第二支路的开关控制信号的波形结束起与第二支路的开关控制信号的波形重叠多达第二相位角。
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