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MAGNETIC SHEET, AND COIL MODULE INCLUDING THE MAGNETIC SHEET, AND NON-CONTACT POWER SUPPLY DEVICE
To provide a magnetic sheet that can be stably manufactured and also has excellent magnetic characteristics, and a coil module which include the magnetic sheet, and a non-contact power supply device.SOLUTION: A magnetic sheet includes Mn-Zn based ferrite as a main component, and is composed of a sheet-like sintered body. When, in a cross section of the magnetic sheet in a thickness direction, ZMAX represents the maximum of Zn content expressed in terms of oxide and ZMin represents the minimum of Zn content expressed in terms of oxide, the ratio (ZMin/ZMAX×100) of ZMin to ZMAX is 90% or more.SELECTED DRAWING: Figure 2
【課題】安定して製造が可能であって、かつ、優れた磁気特性を有する磁性シートと、当該磁性シートを有するコイルモジュールおよび非接触給電装置とを提供する。【解決手段】磁性シートは、主成分としてＭｎ−Ｚｎ系フェライトを含み、シート状の焼結体で構成されている。そして、磁性シートの断面の厚み方向において、酸化物換算したＺｎ含有量の最大値をＺＭＡＸとし、酸化物換算したＺｎ含有量の最小値をＺＭｉｎとすると、ＺＭＡＸに対するＺＭｉｎの比率（ＺＭｉｎ／ＺＭＡＸ×１００）が、９０％以上である。【選択図】図２
MAGNETIC SHEET, AND COIL MODULE INCLUDING THE MAGNETIC SHEET, AND NON-CONTACT POWER SUPPLY DEVICE
To provide a magnetic sheet that can be stably manufactured and also has excellent magnetic characteristics, and a coil module which include the magnetic sheet, and a non-contact power supply device.SOLUTION: A magnetic sheet includes Mn-Zn based ferrite as a main component, and is composed of a sheet-like sintered body. When, in a cross section of the magnetic sheet in a thickness direction, ZMAX represents the maximum of Zn content expressed in terms of oxide and ZMin represents the minimum of Zn content expressed in terms of oxide, the ratio (ZMin/ZMAX×100) of ZMin to ZMAX is 90% or more.SELECTED DRAWING: Figure 2
【課題】安定して製造が可能であって、かつ、優れた磁気特性を有する磁性シートと、当該磁性シートを有するコイルモジュールおよび非接触給電装置とを提供する。【解決手段】磁性シートは、主成分としてＭｎ−Ｚｎ系フェライトを含み、シート状の焼結体で構成されている。そして、磁性シートの断面の厚み方向において、酸化物換算したＺｎ含有量の最大値をＺＭＡＸとし、酸化物換算したＺｎ含有量の最小値をＺＭｉｎとすると、ＺＭＡＸに対するＺＭｉｎの比率（ＺＭｉｎ／ＺＭＡＸ×１００）が、９０％以上である。【選択図】図２
MAGNETIC SHEET, AND COIL MODULE INCLUDING THE MAGNETIC SHEET, AND NON-CONTACT POWER SUPPLY DEVICE
磁性シート、および、磁性シートを備えるコイルモジュール、並びに非接触給電装置。
KUBO YOSHIHIRO (author) / OKA YOSHITO (author)
2021-06-17
Patent
Electronic Resource
Japanese
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