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    • 2. 发明专利
    • Magnet
    • 磁铁
    • JP2006286743A
    • 2006-10-19
    • JP2005101835
    • 2005-03-31
    • Tdk CorpTdk株式会社
    • HAGIWARA ATSUSHISAKAMOTO TAKESHIMIWA MASASHIKITAMURA HIROTAKA
    • H01F41/02H01F1/053
    • PROBLEM TO BE SOLVED: To provide a rare-earth magnet having sufficient corrosion resistance and excellent heat resistance, and its manufacturing method. SOLUTION: The rare-earth magnet 1 is provided with a magnet base body 3 and a protection layer 5 covering the surface of the magnet base body 3. The protection layer 5 is composed of an internal protection layer 9 and an external protection layer 8. The internal protection layer 9 is formed with a first layer 6 covering the magnet base body 3 and including rare-earth elements and a second layer 7 covering the first layer and having a content of the rare-earth elements smaller than that of the rare-earth element in the first layer. The external protection layer 8 includes an inorganic/organic hybrid compound including a structural unit composed of an organic molecule and a structural unit composed of an inorganic molecule, or includes at least one kind of resin selected from a group composed of a phenol resin, an epoxy resin, and a melamine resin. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有足够的耐腐蚀性和优异的耐热性的稀土类磁铁及其制造方法。 解决方案:稀土磁体1设置有磁体基体3和覆盖磁体基体3的表面的保护层5.保护层5由内部保护层9和外部保护层 内部保护层9形成有覆盖磁体基体3并且包括稀土元素的第一层6和覆盖第一层的第二层7,其中稀土元素的含量小于 第一层的稀土元素。 外部保护层8包括无机/有机杂化化合物,其包含由有机分子构成的结构单元和由无机分子构成的结构单元,或者包含选自酚醛树脂, 环氧树脂和三聚氰胺树脂。 版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • Standard sample, calibration method, analysis method, and method for manufacturing device
    • 标准样品,校准方法,分析方法和制造装置的方法
    • JP2005106524A
    • 2005-04-21
    • JP2003337965
    • 2003-09-29
    • Tdk CorpTdk株式会社
    • SHIMAMURA JUNICHIKITAMURA HIROTAKAKATO HIDEO
    • G01N27/62G01N1/00G01N1/28
    • PROBLEM TO BE SOLVED: To provide a calibration method which enables an easy and precise calibration of a thermal desorption spectroscopy apparatus.
      SOLUTION: The TDS (thermal desorption spectroscopy) apparatus is calibrated by adjusting the spectral position (correspondent relationship between the spectral position and the mass/charge ratio) of the MS (mass spectrometry), using a standard sample 10 composed of a high polymer sheet 2 including a calibration component 1. In contrast to a conventional calibration method for the TDS apparatus using a standard gas, because the calibration operation does not require the use of a calibration instrument such as a capillary or another apparatus such as a mass flow controller other than the TDS apparatus, the calibration operation is facilitated, and the error in the calibration due to existence of a foreign substance attached to the capillary or the deterioration in the vacuum degree in the TDS apparatus does not arise. Accordingly, the calibration precision is improved.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供能够容易且精确地校准热解吸光谱仪的校准方法。 解决方案:使用由标准样品10组成的标准样品10,通过调整MS(质谱)的光谱位置(光谱位置和质量/电荷比的对应关系)来校准TDS(热解吸光谱)装置 包括校准组件1的高分辨率片材2.与使用标准气体的TDS设备的常规校准方法相反,由于校准操作不需要使用诸如毛细管的校准仪器或诸如质量的其它装置 除了TDS装置以外的流量控制器,校准操作变得容易,并且不会由于附着在毛细管上的异物的存在而导致的校准误差或TDS装置的真空度的劣化。 因此,提高校准精度。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Optical recording material and optical recording medium
    • 光学记录材料和光学记录介质
    • JP2005342917A
    • 2005-12-15
    • JP2004162147
    • 2004-05-31
    • Tdk CorpTdk株式会社
    • TANABE YORIJISHINKAI MASAHIROKADOTA ATSUSHIKITAMURA HIROTAKA
    • B41M5/26G11B7/24G11B7/244
    • PROBLEM TO BE SOLVED: To provide an optical recording medium which exhibits sufficiently outstanding recording characteristics especially during rapid recording, compared with a conventional optical recording medium, and an optical recording material used in the optical recording medium. SOLUTION: This optical recording material used in the optical recording medium where information can be recorded by light irradiation, where a coloring component shows exothermic and endothermic phenomena by performing a thermogravimetric analysis and a differential thermal analysis of the coloring component as a sample. In addition, a temperature T 2 indicating a maximum value of the differential temperature in the differential thermal analysis and a temperature T 3 at which mass reduction starts in the thermogravimetric analysis, meet the conditions expressed by the formula: -3.0°C≤(T 2 -T 3 )≤3.0°C. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种特别是在快速记录期间显示出足够突出的记录特性的光学记录介质,与传统的光学记录介质和光学记录介质中使用的光学记录材料相比。 解决方案:该光学记录介质中使用的光学记录材料,其中可以通过光照射来记录信息,其中着色组分通过进行热重分析和作为样品的着色组分的差热分析来显示放热和吸热现象 。 此外,表示差热分析中的温差的最大值的温度T 2 和在热重分析中开始质量减少的温度T 3 相遇 由以下公式表示的条件:-3.0℃≤(T 2 -T 3 )≤3.0℃。 版权所有(C)2006,JPO&NCIPI