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    • 24. 发明专利
    • DE69027867D1
    • 1996-08-22
    • DE69027867
    • 1990-11-07
    • MATSUSHITA ELECTRIC IND CO LTD
    • KATSUMATA MASAAKIKANAYA OSAMUKATSUKI NOBUHARUTAKAMI AKIHIRO
    • H01C7/102H01C7/112H01C7/10
    • A zinc oxide varistor comprises a sintered body (1), the side surfaces of which are coated by a high-resistance layer (2). The major component of (1) is zinc oxide. (1) has itself varistor characteristics. (2) is composed of a crystallised glass contg., as major component, SiO2 (6.0-15.0 wt.%). The high resistance layer of the side surfaces comprises PbO (50.0-75.0 wt.%), ZnO (10.0-30.0 wt.%), B2O3 (5.0-10.0 wt.%) and SiO2 (6.0-15.0 wt.%). This compsn. is the crystallised glass coating compsn. The zinc oxide varistor is produced by coating a glass plate contg. the above-mentioned crystallised glass and an organic cpd. on the side surfaces of the sintered body (10.0-150.0 mg/cm2 thick) and heating at 450-650 deg.C. The linear expansion coefft. of the crystallised glass is 65 x 10 power (-7) to 90 x 10 power (-7)/deg.C. The high resistance layer coated on the side surfaces of the sintered body can be PbO contg. molybdenum oxide (0.1-10.0 wt.% calculated as the MoO3) or a PbO-ZnO-B2O3-MoO3 system crystallised glass having the compsn.: PbO (50.0-75.0 wt.%), ZnO (10.0-30.0 wt.%), B2O3 (5.0-15.0 wt.%), SiO2 (0-15.0 wt.%) and MoO3 (0.1-10.0 wt.%).
    • 27. 发明专利
    • Method of mounting electronic component
    • 安装电子元件的方法
    • JP2005175044A
    • 2005-06-30
    • JP2003410018
    • 2003-12-09
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • NIIMI HIDEKIKASHIWAGI TAKAFUMIHASHIMOTO AKIRAKATSUMATA MASAAKI
    • H05K3/32H01L21/60H05K3/34
    • H01L2224/16H01L2924/19105
    • PROBLEM TO BE SOLVED: To provide a method of mounting components which makes it possible to mount a semiconductor component and electronic components close to each other when mounting the semiconductor component and electronic components on a circuit board in a mixed state, and hence enables high-density mixed mounting of the components.
      SOLUTION: Before mounting the semiconductor component 2, solder paste 12 is applied on the circuit board 1. Then, after mounting the semiconductor component 2, the electronic components 9 and 10 are mounted on the circuit board 1. By this method, when printing the solder paste 12 on the circuit board 1, there is no need to go around the semiconductor component 2, and the solder paste 12 can be printed close to a portion where the semiconductor component 2 is mounted. Consequently, the semiconductor component 2 and the electronic components 9 and 10 can be mounted close to each other, resulting in enabling high-density mixed mounting of the components.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种安装部件的方法,当将半导体部件和电子部件以混合状态安装在电路板上时,可以将半导体部件和电子部件安装在彼此靠近,因此 实现了组件的高密度混合安装。 解决方案:在安装半导体部件2之前,将焊膏12施加在电路板1上。然后,在安装半导体部件2之后,将电子部件9和10安装在电路板1上。通过该方法, 当在电路板1上印刷焊膏12时,不需要绕着半导体部件2,并且可以将焊膏12印刷到靠近半导体部件2安装部分的位置。 因此,半导体组件2和电子部件9和10可以彼此靠近地安装,从而能够实现组件的高密度混合安装。 版权所有(C)2005,JPO&NCIPI
    • 28. 发明专利
    • Circuit component contained module, and method for manufacturing the same
    • 电路组件包含模块及其制造方法
    • JP2005159227A
    • 2005-06-16
    • JP2003399059
    • 2003-11-28
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • ISHITOMI HIROYUKIKATSUMATA MASAAKIKAWAMOTO EIJIHAYAMA MASAAKI
    • H05K9/00H05K1/02H05K3/00H05K3/46
    • PROBLEM TO BE SOLVED: To provide a circuit component contained module wherein an electromagnetic-field shield layer can be formed simply without using any metal cover, and environmental assessment is also considered.
      SOLUTION: The circuit component contained module has a circuit component 104 composed of one or more electronic components and has a wiring board 102 having electrodes 103 for mounting the circuit component on its surface layer and having one or more wiring layers. Further, in the module, the circuit component 104 and the electrodes 103 of the wiring board 102 are connected with solder or a conductive adhesives 105, and these are covered with an insulating resin 107. Moreover, conductive foil 114 is so formed on the surface layer of the insulating resin 107, and the conductive foil 114 and grounding patterns 111 of the wiring board 102 are so connected electrically by using conductive substances 115 as to form an electromagnetic-field shield layer in the module.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种包含电路元件的模块,其中可以简单地形成电磁屏蔽层而不使用任何金属盖,并且还考虑环境评估。 解决方案:包含电路部件的模块具有由一个或多个电子部件组成的电路部件104,并且具有布线板102,该布线板102具有电极103,用于将电路部件安装在其表面层上并具有一个或多个布线层。 此外,在该模块中,电路部件104和布线基板102的电极103与焊料或导电性粘合剂105连接,并且被绝缘树脂107覆盖。此外,导体箔114形成在表面 绝缘树脂107的层,导电箔114和布线板102的接地图案111通过使用导电物质115电连接以在模块中形成电磁场屏蔽层。 版权所有(C)2005,JPO&NCIPI
    • 29. 发明专利
    • Solder packaging method of electronic part
    • 电子部件的焊接包装方法
    • JP2005159076A
    • 2005-06-16
    • JP2003396885
    • 2003-11-27
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • HASHIMOTO AKIRANIIMI HIDEKIKASHIWAGI TAKAFUMIKATSUMATA MASAAKI
    • H05K3/34
    • PROBLEM TO BE SOLVED: To provide a solder packaging method for electronic parts by which a chip or a flip chip can be packaged by printing a solder pattern on the land of a circuit board and high density packaging can be easily attained.
      SOLUTION: The solder packaging method consists of a process for packaging a semiconductor flip chip 12 on a circuit board 11, a process for forming a solder pattern 18 on a transfer base material 17, a process for transferring the solder pattern 18 to a solder packaging land 16 on the circuit board 11, a process for sticking and temporarily fixing a semiconductor packaging part such as a chip 20 on the solder pattern 18 transferred to the solder packaging land 16 on the circuit board 11, and a process for heating the circuit board 11 on which the solder packaging part is stuck and temporarily fixed and connecting the solder packaging part to the circuit board 11 by melting solder to a melted state. Consequently, the solder pattern 18 of a narrow pitch can be formed and high density packaging can be attained.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种用于电子部件的焊料包装方法,通过其可以通过在电路板的焊盘上印刷焊料图案来封装芯片或倒装芯片,并且可以容易地获得高密度封装。 焊料包装方法包括在电路板11上封装半导体倒装芯片12的工艺,在转印基材17上形成焊料图案18的工艺,将焊料图案18转印到 电路板11上的焊料包装用焊盘16,将转印到电路基板11上的焊料包装用焊盘16上的焊料图案18上贴附并临时固定芯片20等半导体封装部的工序,以及加热工序 焊接包装部分被卡住并临时固定的电路板11,并且通过将焊料熔化成熔融状态将焊料包装部分连接到电路板11。 因此,可以形成窄间距的焊料图案18,并且可以实现高密度封装。 版权所有(C)2005,JPO&NCIPI