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发明名称
雷射二极体驱动电路及光学头
摘要
雷射二极体驱动电路包含位于IC一侧部附近的二晶片电容器,沿其设置高压供电端、低压供电端、驱动信号输出端。每一晶片电容器的一端部接到高压供电端,每一晶片电容器的另一端部接到低压供电端。当开关元件操作时,晶片电容器降低重叠在供电电压的涟波分量。设置晶片电容器,使得本身与高压供电端、低压供电端、驱动信号输出端的距离等于或者小于10mm。依据如此构成的雷射二极体驱动电路,即使发自雷射二极体之脉冲光的脉宽窄,也可产生良好驱动信号。
申请公布号
TW200516766
申请公布日期
2005.05.16
申请号
TW093126546
申请日期
2004.09.02
申请人
TDK股份有限公司
发明人
涩谷义一
分类号
H01L29/00
主分类号
H01L29/00
代理机构
代理人
林志刚
主权项
地址
日本
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