Abstract:
An object or technical task of the present invention is to provide a ferrite sintered sheet having a dense ferrite microfine structure which has a large μ′ value, a small μ″ value, and a small temperature-dependent change of the μ′ value thereof. The present invention relates to a ferrite ceramics having a composition comprising 47.5 to 49.8 mol % of Fe2O3, 13.5 to 19.5 mol % of NiO, 21 to 27 mol % of ZnO, 7.5 to 12.5 mol % of CuO and 0.2 to 0.8 mol % of CoO, all of the molar amounts being calculated in terms of the respective oxides, the ferrite ceramics further comprising 0.2 to 1.4% by weight of SnO2 and 0.005 to 0.03% by weight of S and having a density of 5.05 to 5.30 g/cm3; and a ferrite sintered sheet comprising the ferrite sintered plate on a surface of which a groove or grooves are formed, and an adhesive layer and/or a protective layer formed on the ferrite sintered plate.
Abstract translation:本发明的目的或技术任务是提供一种铁氧体烧结片,其具有致密的铁氧体微结构,其具有大的μ'值,小的μ“值和小的μ'值的小的温度变化。 本发明涉及铁氧体陶瓷,其组成为:Fe2O3为47.5〜49.8摩尔%,NiO为13.5〜19.5摩尔%,ZnO为21〜27摩尔%,CuO为7.5〜12.5摩尔%,CuO为0.2〜0.8摩尔% CoO,所有的摩尔量均以各自的氧化物计算,铁素体陶瓷还包含0.2〜1.4重量%的SnO 2和0.005〜0.03重量%的S,密度为5.05〜5.30g / cm 3; 以及铁氧体烧结片,在其表面形成有槽或槽的铁氧体烧结板和形成在铁氧体烧结板上的粘合层和/或保护层。
Abstract:
The present invention relates to an Ni—Zn—Cu—Co ferrite sintered plate having a composition comprising 45 to 50 mol % of Fe2O3, 10 to 25 mol % of NiO, 15 to 36 mol % of ZnO, 2 to 14 mol % of CuO and 0.1 to 3.5 mol % of CoO, all of the molar amounts being calculated in terms of the respective oxides, and a ferrite sintered sheet that is provided on a surface thereof with a groove and further with an adhesive layer and/or a protective layer. The ferrite sintered sheet is capable of exhibiting an increased μ′ value of a magnetic permeability while maintaining a small μ″ value of the magnetic permeability.
Abstract:
An object of the present invention is to provide a power transmission device for a non-contact power feeder system which has high power transmission efficiency and high impact resistance. The above object of the present invention can be achieved by a soft magnetic ferrite resin composition molded product comprising a filler and a binder, in which the filler comprises soft magnetic ferrite particles having an average particle diameter of 5 to 35 μm, the binder comprises at least one material selected from the group consisting of a thermoplastic resin and a soft polyolefin resin, and the soft magnetic ferrite resin composition molded product has a molding density of 3.2 to 4.7 g/cm3 and a magnetic permeability of 5 to 15, and a power transmission device for a non-contact power feeder system which comprises the above soft magnetic ferrite resin composition molded product.
Abstract translation:本发明的目的是提供一种具有高功率传输效率和高抗冲击性的非接触式馈电系统的电力传输装置。 本发明的上述目的可以通过包含填料和粘合剂的软磁性铁氧体树脂组合物模制产品来实现,其中填料包括平均粒径为5至35μm的软磁铁氧体颗粒,粘合剂包含在 选自热塑性树脂和软质聚烯烃树脂中的至少一种材料,软磁性铁氧体树脂组合物成型体的成型密度为3.2〜4.7g / cm 3,磁导率为5〜15,功率 包括上述软磁性铁氧体树脂组合物成型体的非接触供电系统的传动装置。