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    • 4. 发明公开
    • Method and system for the characterization of magnetic elements based on ferromagnetic resonance
    • 基于铁磁谐振的磁性元件的特性的方法和系统
    • EP1818671A1
    • 2007-08-15
    • EP07380032.8
    • 2007-02-12
    • Micromag 2000, S.L.
    • Marin Palacios, PilarCortina Blanco, DanielCalvo Robledo, JavierHernando Grande, Antonio
    • G01N24/10G01R33/60H01F1/153
    • G01R33/60G01N24/10G01R33/14H01F1/15391
    • Method and system for the individualized characterization of magnetic elements based on ferromagnetic resonance.
      The invention refers to a method and system for the characterization of a magnetic element (12) based on ferromagnetic resonance, said magnetic element (12) presenting ferromagnetic resonance and its own characteristic resonance frequency. The system comprises:
      - means of application of a low-frequency electromagnetic field (20) in a given area,
      - means of application of a high-frequency electromagnetic wave (40) the same as the characteristic resonance frequency of the magnetic element in said same area.
      - control means (10) configured so as to control the simultaneous application of said low-frequency electromagnetic field so that in response to the introduction of the magnetic element in said area the magnetic element absorbs the high-frequency electromagnetic wave with a frequency the same as that of the low-frequency electromagnetic field, so said wave is modulated. The system also comprises:

      - means of reception (61) of this unique individual modulated wave characteristic of each element, and
      - means of assignment (60, 70, 10) of said unique modulated wave to the element.
    • 方法和系统基于铁磁共振磁性元件的个性化特征。 本发明涉及到用于磁性元件(12)的基础上铁磁谐振的特征的方法和系统,所述呈现铁磁谐振和其自身的特征共振频率的磁性元件(12)。 该系统包括: - 一个低频电磁场(20)的应用的装置在给定区域, - 高频电磁波(40)中的相同。所述的磁性元件的特征共振频率的应用的装置 同一地区。 - 配置以控制所述低频电磁场的同时施加控制装置(10),以便响应于该引入所述区域中磁性元件的那样的磁性元件吸收具有相同的频率的高频电磁波 象的低频电磁场的,所以所述波被调制。 因此,该系统包括: - 每个元素的这种独特的个体调制波特性的接收(61)的装置,以及 - 所述唯一调制波到元件的分配(60,70,10)的装置。
    • 5. 发明公开
    • A magnetic tag that can be activated/deactivated based on magnetic microwire and a method for obtaining the same
    • 上激活的磁微丝/停用的磁屏蔽和处理它的制备的基础
    • EP1715466A2
    • 2006-10-25
    • EP06380088.2
    • 2006-04-19
    • Micromag 2000, S.L.
    • Marin Palacios, PilarCortina Blanco, DanielCalvo Robledo, Javier
    • G08B13/24
    • G08B13/2411G08B13/2442
    • The invention refers to a magnetic tag that can be activated/deactivated, formed by at least two components based on magnetic microwire, characterized in that:
      - the first component comprises a first array of soft magnetic microwire segments (1) with a bistable magnetic behaviour, said segments arranged in a substantially aligned manner in a direction parallel to the axial direction of the microwire, and
      - the second component comprises a second array of hard magnetic microwire segments (2), said hard magnetic microwire segments preferably being of substantially the same length, and are arranged equidistantly from each other and substantially aligned in a direction parallel to that of the first component.
      The invention also refers to a method for obtaining a tag that can be activated/deactivated based on magnetic microwire.
    • 本发明涉及一种磁性标签也可以被激活/去激活时,基于磁微导线由至少两种组分形成,其特征在于: - 所述第一部件包括软磁微丝段的第一阵列(1)的双稳态磁行为 ,所述段在实质上对准的方式在平行的方向上布置为微导线的轴向方向上,以及 - 所述第二部件包括硬磁微导线段(2)的第二阵列,所述硬磁微导线段优选是基本相同 长度,并从海誓山盟间距设置并与第一部件做的平行的方向基本上对齐。 因此,该发明涉及一种方法,用于获得一个标签都可以被激活/基于磁性微线去激活。
    • 6. 发明公开
    • Electromagnetic radiation absorber based on magnetic microwires
    • Mikrowellen-Absorbermaterial
    • EP1675217A1
    • 2006-06-28
    • EP05380256.7
    • 2005-11-22
    • Micromag 2000, S.L.
    • Marin Palacios, PilarHernando Grande, AntonioCortina Blanco, DanielGomez Rebolledo, José JuanCalvo Robledo, Javier
    • H01Q17/00C22C49/14
    • H01Q17/002H01Q17/007
    • The invention relates to an electromagnetic radiation absorber for a preselected frequency range, comprising:

      an absorbent sheet (10) located such that said electromagnetic radiation falls on it, and
      a conductive base (20) located under said absorbent sheet,

      wherein said absorbent sheet:

      has a total thickness e exceeding λ/(ε) 1/2 4, where λ is the wavelength of the incident electromagnetic radiation, and
      is made up of a dielectric material containing amorphous magnetic microwires, the magnetic permeability of which in the preselected frequency range has an imaginary part µ" which is at least 100 times greater than the corresponding real part µ' said microwires being distributed in a volume having a thickness e 2 of at least λ/(ε) 1/2 16, where ε is the dielectric constant of the absorbent sheet and said volume is located a distance e 3 from the conductive base that is not less than λ/(ε) 1/2 8.
    • 本发明涉及一种用于预选频率范围的电磁辐射吸收体,其特征在于,包括:吸收片(10),其位于所述电磁辐射下方,以及位于所述吸收片下方的导电基底(20),其中所述吸收片: 具有超过»/(μ)1/2 4的总厚度e,其中»是入射电磁辐射的波长,并且由包含非晶磁性微线的介电材料构成,其磁导率在预选频率范围内 具有比对应的实部μ'至少大100倍的虚部μ“,所述微线分布在厚度e 2至少为/(μ)1/2 16的体积中,其中μ是电介质 吸收片的常数和所述体积与不小于»/(μ)1/2 8的导电基底的距离e 3。
    • 9. 发明公开
    • Magnetoacustic markers based on magnetic microwire, and method of obtaining the same
    • 根据其制备磁性微丝磁声波标记和方法
    • EP1933286A2
    • 2008-06-18
    • EP07380242.3
    • 2007-08-28
    • Micromag 2000, S.L.
    • Marin Palacios, PilarCortina Blanco, DanielCalvo Robledo, JavierHernando Grande, AntonioGomez Rebolledo, Jose
    • G08B13/24
    • G08B13/2442G08B13/2408H01F1/15308H01F1/15316H01F1/15333H01F1/15391
    • It concerns an activatable / deactivatable magnetomechanical marker, based on magnetic microwires, in which participates a non-bistable, magnetoelastic, soft magnetic microwire (1) with induced transversal magnetic anisotropy and with magnetoelastic resonance frequency of 58 kHz, and a second hard magnetic microwire (2), thereby achieving a substantial reduction in the size of the marker.
      The procedure for obtaining the same consists firstly in obtaining a soft magnetic microwire with non-bistable magnetic behaviour, which undergoes a heat treatment in the presence of transversal magnetic field sufficient to saturate the sample at a temperature below that of crystallization of the amorphous alloy, cutting said magnetic wire to the appropriate length so that its magnetoelastic resonance coincides with that of the detecting unit, and finally obtaining a hard magnetic microwire (2) which together with the soft microwire are mounted on the mechanical support (3) of the marker.
    • 它涉及激活/停用的磁机械标记的基础上,磁性微导线,在其参与非双稳态,磁,软磁性微导线(1)与诱导横向磁各向异性,并用58千赫的磁谐振频率,以及第二硬磁性微线 (2),从而实现在标记的大小显着减少。 用于获得相同besteht首先,在获得的软磁性微丝与非双稳态磁行为,这下进入在横向磁场的存在下的充分的温度以饱和样品下面做了非晶质合金的结晶化的热处理的步骤, 切割所述磁线至适当的长度,以便做它的磁共振重合用做的检测单元的,和最终得到的硬磁微导线(2),其与所述软微导线一起被安装在所述标记物的机械支撑件(3)。