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    • 6. 发明专利
    • Insulator containing magnetic substance, and circuit board and electronic device using same
    • 含有磁性物质的绝缘体,使用同一电路的电路板和电子设备
    • JP2006269134A
    • 2006-10-05
    • JP2005082653
    • 2005-03-22
    • Tohoku Univ国立大学法人東北大学
    • OMI TADAHIROMORIMOTO AKITA
    • H01B3/00H01B17/64H05K1/03
    • H05K1/0373H05K1/0233H05K2201/0215H05K2201/0266H05K2201/086Y10T428/2495
    • PROBLEM TO BE SOLVED: To provide an insulator containing a magnetic substance wherein an effect of increasing a permeability can be obtained without increasing a density of the magnetic substance in a mixture not so much, a characteristic impedance can be improved by using the insulator containing the magnetic substance for a circuit board, and an effect of reducing a power consumption can also be obtained, and to provide circuit boards and electric devices using the same. SOLUTION: The insulator 10 containing a magnetic substance includes two or more particles 1a and 1b of a magnetic substance, and an insulator 2 holding the two or more particles 1a and 1b of the magnetic substance. A group of particles of the magnetic substance is composed of particles of at least two or more particle sizes. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供含有磁性物质的绝缘体,其中在不增加混合物中的磁性物质的密度的情况下可以获得增加磁导率的效果,而不会增加混合物中的磁性物质的密度,可以通过使用 也可以获得包含用于电路板的磁性物质的绝缘体和降低功耗的效果,并且提供使用其的电路板和电气装置。 解决方案:包含磁性物质的绝缘体10包括两个或更多个磁性物质的颗粒1a和1b,以及保持磁性物质的两个或更多个颗粒1a和1b的绝缘体2。 一组磁性物质的颗粒由至少两种或更多种粒径的颗粒组成。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • WRAPPING MATERIAL FOR SEMICONDUCTOR AND ELECTRONIC PARTS
    • JP2002210861A
    • 2002-07-31
    • JP2001013228
    • 2001-01-22
    • KONDO AKIMASA
    • KONDO AKIMASA
    • B65D85/86B32B9/00B32B27/00B32B27/34C23C14/10H01B17/64
    • PROBLEM TO BE SOLVED: To provide a wrapping material for a semiconductor and electronic parts with such advantages that the transparency is high enough to allow bar-coded management of the wrapped semiconductor and electronic parts and the high-level prevention of an electrostatic fault and foreign matter deposition can be achieved and a sufficient moistureproofness and an ample flexibility are imparted. SOLUTION: The wrapping material for the semiconductor and electronic parts comprises a laminate containing at least the described conductive base material (A) and moistureproof base material (B), the conductive base material (A) being arranged as an outermost layer with a thin film containing a conductive polymer positioned outside. Besides, the light transmittance of the laminate is at least 70%. (A): This conductive base material has a thin film containing a polythiophene conductive polymer formed on the surface of a transparent base material film and if necessary, a protecting layer formed on the surface of the thin film. In addition, the surface electric resistance on the side of the thin film containing the conductive polymer is 102 to 106 Ω/SQ. (B): The moistureproof base material has a thin film of a silicon oxide formed on the surface of the transparent base material film, the moisture permeability being at most 0.25 g/m2.24 hrs.