发明申请
- 专利标题： ELECTRONIC DEVICE MOUNTING APPARATUS AND RESONANCE SUPPRESSION METHOD THEREOF
- 专利标题（中）： 电子装置安装装置及其共振抑制方法
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申请号： US12441829申请日： 2007-08-27
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公开(公告)号： US20090279265A1公开(公告)日： 2009-11-12
- 发明人: Masaharu Imazato
- 申请人： Masaharu Imazato
- 优先权： JP2006-252219 20060919
- 国际申请： PCT/JP2007/066518 WO 20070827
- 主分类号： H05K7/20
- IPC分类号： H05K7/20
摘要：
A heat sink plate is mounted on an electronic device for heat radiation of the electronic device. When the fundamental wave or a harmonic wave of the clock signal of the electronic device is coincide with the size of the heat sink plate, the heat sink plate resonates and large clock signal harmonic wave noise is radiated. For suppressing the noise, a dielectric strip is mounted on an edge portion of the heat sink plate. By this dielectric strip, the resonance frequency of the heat sink plate varies so that the resonance can be suppressed.
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