公开(公告)号：US5612131A

公开(公告)日：1997-03-18

申请号：US54646

申请日：1993-04-26

申请人： Nestor A. Bojarczuk, Jr. ,  Richard J. Gambino ,  Ralph Ruf

发明人： Nestor A. Bojarczuk, Jr. ,  Richard J. Gambino ,  Ralph Ruf

IPC分类号： C22C19/00 ,  C22C38/00 ,  G11B11/10 ,  G11B11/105 ,  H01F1/00 ,  H01F10/12 ,  H01F41/20 ,  G11B5/66

CPC分类号： B82Y25/00 ,  G11B11/10545 ,  G11B11/10586 ,  H01F1/0063 ,  G11B11/10543 ,  Y10S428/90 ,  Y10T428/26 ,  Y10T428/265

摘要： A magneto-optic memory and a magnetic material is described incorporating a polarized light beam directed towards a magnetic material and an analyzer for intercepting the polarized light beam after passing through the magnetic material or after being reflected by the magnetic material. The magnetic material includes a matrix of metal such as iron, cobalt, nickel, and alloys thereof and a plurality of separated phases distributed in the matrix such as EuS, EuO, EuOTb, PtMnSb, MnAs, MnBi, MnSb, CrO.sub.2, CrTe, GdN, Gd.sub.4 C, other compounds of a rare earth element and manganese compounds. Terbium or neodymium may be dissolved in the matrix of metal and in the plurality of separated phases. The invention overcomes the problem of providing a magnetic material having a Curie point above room temperature, a square perpendicular hysteresis loop at room temperature, a large magneto-optic rotation at the wavelength of interest and a deposition temperature suitable depositing on polymer substrates.

摘要翻译： 描述了磁光存储器和磁性材料，其包括朝向磁性材料的偏振光束和用于在通过磁性材料之后或在被磁性材料反射之后截取偏振光束的分析器。 磁性材料包括诸如铁，钴，镍及其合金的金属基体以及分布在诸如EuS，EuO，EuOTb，PtMnSb，MnAs，MnBi，MnSb，CrO 2，CrTe，GdN之类的基体中的多个分离相 ，Gd4C，其他化合物的稀土元素和锰化合物。 铽或钕可以溶解在金属基体和多个分离相中。 本发明克服了提供具有高于室温的居里点，室温下的正方形垂直磁滞回线，感兴趣波长处的大磁光旋转和适合沉积在聚合物基底上的沉积温度的磁性材料的问题。

公开(公告)号：US5331589A

公开(公告)日：1994-07-19

申请号：US968772

申请日：1992-10-30

申请人： Richard J. Gambino ,  Ralph Ruf ,  Elia Zeldov

发明人： Richard J. Gambino ,  Ralph Ruf ,  Elia Zeldov

IPC分类号： G01N27/72 ,  G01N37/00 ,  G01Q60/02 ,  G01Q60/14 ,  G01Q60/16 ,  G01Q60/54 ,  G01Q80/00 ,  G01R33/038 ,  G01R33/10 ,  G01R33/12 ,  G11B5/00 ,  G11B5/02 ,  G11B9/00 ,  G11C13/00 ,  G11C11/00 ,  G11C11/18

CPC分类号： G01Q60/16 ,  B82Y35/00 ,  G01Q60/02 ,  G01Q60/14 ,  G01Q60/54 ,  G01R33/0385 ,  G11B5/00 ,  B82Y10/00 ,  B82Y25/00 ,  G11B2005/0002 ,  G11B2005/0005 ,  G11B2005/0021 ,  G11B9/1418 ,  Y10S977/861 ,  Y10S977/865

摘要： An apparatus and method for imaging the magnetic structure and the magnetic domains of a sample is described incorporating a scanning tunneling microscope (STM), a voltage generator for varying the voltage on the tip, an ammeter for measuring the current through the tip, circuitry to determine the tip voltage at zero current and a current source for passing current longitudinally through the sample. The invention may further include an applied magnetic field in the plane of the sample and orthogonal to current passing through the sample. A high density non-volatile memory is described incorporating the above apparatus except for the applied magnetic field and further incorporating a layer of ferromagnetic material having magnetic domains therein indicative of information.

摘要翻译： 描述了用于对样品的磁性结构和磁畴进行成像的装置和方法，其包括扫描隧道显微镜（STM），用于改变尖端的电压的电压发生器，用于测量通过尖端的电流的电流表，电路 确定零电流时的尖端电压和用于使电流纵向通过样品的电流源。 本发明还可以包括在样品的平面中施加的磁场并且与通过样品的电流正交。 描述了一种高密度非易失性存储器，其结合了除了所施加的磁场之外的上述装置，并且还包括其中具有指示信息的磁畴的铁磁材料层。

公开(公告)号：US5793711A

公开(公告)日：1998-08-11

申请号：US655115

申请日：1996-05-29

申请人： Nestor Alexander Bojarczuk, Jr. ,  Richard Joseph Gambino ,  Ralph Ruf

发明人： Nestor Alexander Bojarczuk, Jr. ,  Richard Joseph Gambino ,  Ralph Ruf

IPC分类号： C22C19/00 ,  C22C38/00 ,  G11B11/10 ,  G11B11/105 ,  H01F1/00 ,  H01F10/12 ,  H01F41/20 ,  G11B7/00 ,  G11B7/08 ,  G11B7/24

CPC分类号： B82Y25/00 ,  G11B11/10545 ,  G11B11/10586 ,  H01F1/0063 ,  G11B11/10543 ,  Y10S428/90 ,  Y10T428/26 ,  Y10T428/265

摘要： A magneto-optic memory and a magnetic material is described incorporating a polarized light beam directed towards a magnetic material and an analyzer for intercepting the polarized light beam after passing through the magnetic material or after being reflected by the magnetic material. The magnetic material includes a matrix of metal such as iron, cobalt, nickel, and alloys thereof and a plurality of separated phases distributed in the matrix such as EuS, EuO, EuOTb, PtMnSb, MnAs, MnBi, MnSb, CrO.sub.2, CrTe, GdN, Gd.sub.4 C, other compounds of a rare earth element and manganese compounds. Terbium or neodymium may be dissolved in the matrix of metal and in the plurality of separated phases. The invention overcomes the problem of providing a magnetic material having a Curie point above room temperature, a square perpendicular hysteresis loop at room temperature, a large magneto-optic rotation at the wavelength of interest and a deposition temperature suitable depositing on polymer substrates.

摘要翻译： 描述了磁光存储器和磁性材料，其包括朝向磁性材料的偏振光束和用于在通过磁性材料之后或在被磁性材料反射之后截取偏振光束的分析器。 磁性材料包括诸如铁，钴，镍及其合金的金属基体以及分布在诸如EuS，EuO，EuOTb，PtMnSb，MnAs，MnBi，MnSb，CrO 2，CrTe，GdN之类的基体中的多个分离相 ，Gd4C，其他化合物的稀土元素和锰化合物。 铽或钕可以溶解在金属基体和多个分离相中。 本发明克服了提供具有高于室温的居里点，室温下的正方形垂直磁滞回线，感兴趣波长处的大磁光旋转和适合沉积在聚合物基底上的沉积温度的磁性材料的问题。