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1. 发明授权

US08503125B2 Channel-source laser-pulsing system architecture for thermal-assisted recording 有权
标题翻译：用于热辅助记录的通道源激光脉冲系统架构
公开(公告)号：US08503125B2
公开(公告)日：2013-08-06
申请号：US13117300
申请日：2011-05-27
申请人： John Contreras , Weldon Hanson , Barry C. Stipe , Rehan Zakai
发明人： John Contreras , Weldon Hanson , Barry C. Stipe , Rehan Zakai
IPC分类号： G11B5/02
CPC分类号： G11B5/02 , G11B20/1024 , G11B20/10351 , G11B2005/0021 , G11B2220/2516
摘要： A method and apparatus for generating a laser signal for driving a laser used in thermal-assisted recording. A channel of a hard drive generates a high-frequency component of the laser signal—e.g., a periodic wave or series of pulses—and synchronizes the phase of the laser signal with a corresponding write data signal which controls the magnetization of data bits within the magnetic disk of the hard drive. The channel may be connected to a read/write integrated circuit via a channel interconnect. The read/write circuit may include a second phase control to compensate for any phase shift and an adder circuit to combine the transmitted high-frequency laser with a DC bias. Further, the read/write circuit may include a feedback loop for adjusting the DC bias based on environmental parameters of the hard drive such as temperature.
摘要翻译：一种用于产生用于驱动用于热辅助记录的激光的激光信号的方法和装置。硬盘驱动器的通道产生激光信号的高频分量（例如，周期波或一系列脉冲），并将激光信号的相位与相应的写数据信号同步，该对应的写数据信号控制激光信号内的数据位的磁化硬盘的磁盘。信道可以经由信道互连连接到读/写集成电路。读/写电路可以包括用于补偿任何相移的第二相位控制和用于将发送的高频激光器与DC偏压组合的加法器电路。此外，读/写电路可以包括用于基于诸如温度的硬盘驱动器的环境参数来调整DC偏置的反馈回路。

2. 发明申请

US20120300599A1 CHANNEL-SOURCE LASER-PULSING SYSTEM ARCHITECTURE FOR THERMAL-ASSISTED RECORDING 有权
标题翻译：用于热辅助记录的通道激光脉冲系统架构
公开(公告)号：US20120300599A1
公开(公告)日：2012-11-29
申请号：US13117300
申请日：2011-05-27
申请人： John Contreras , Weldon Hanson , Barry C. Stipe , Rehan Zakai
发明人： John Contreras , Weldon Hanson , Barry C. Stipe , Rehan Zakai
IPC分类号： G11B11/00
CPC分类号： G11B5/02 , G11B20/1024 , G11B20/10351 , G11B2005/0021 , G11B2220/2516
摘要： A method and apparatus for generating a laser signal for driving a laser used in thermal-assisted recording. A channel of a hard drive generates a high-frequency component of the laser signal—e.g., a periodic wave or series of pulses—and synchronizes the phase of the laser signal with a corresponding write data signal which controls the magnetization of data bits within the magnetic disk of the hard drive. The channel may be connected to a read/write integrated circuit via a channel interconnect. The read/write circuit may include a second phase control to compensate for any phase shift and an adder circuit to combine the transmitted high-frequency laser with a DC bias. Further, the read/write circuit may include a feedback loop for adjusting the DC bias based on environmental parameters of the hard drive such as temperature.
摘要翻译：一种用于产生用于驱动用于热辅助记录的激光的激光信号的方法和装置。硬盘驱动器的通道产生激光信号的高频分量（例如，周期波或一系列脉冲），并将激光信号的相位与相应的写数据信号同步，该对应写数据信号控制激光信号内的数据位的磁化硬盘的磁盘。信道可以经由信道互连连接到读/写集成电路。读/写电路可以包括用于补偿任何相移的第二相位控制和用于将发送的高频激光器与DC偏压组合的加法器电路。此外，读/写电路可以包括用于基于诸如温度的硬盘驱动器的环境参数来调整DC偏置的反馈回路。

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