F2 laser with visible red and IR control
    1.
    发明授权
    F2 laser with visible red and IR control 失效
    F2激光可见红光和IR控制

    公开(公告)号:US06330260B1

    公开(公告)日:2001-12-11

    申请号:US09438249

    申请日:1999-11-12

    IPC分类号: H01S300

    摘要: A reliable, modular, production quality F2 excimer laser capable of producing, at repetition rates in the range of 1,000 to 2,000 Hz or greater, laser pulses with pulse energies greater than 10 mJ with a full width half, maximum bandwidth of about 1 pm or less at wavelength in the range of 157 nm. Laser gas concentrations are disclosed for reducing unwasted infrared emissions from the laser. Also disclosed are UV energy detectors which are substantially insensitive to infrared light. Preferred embodiments of the present invention can be operated in the range of 1000 to 4000 Hz with pulse energies in the range of 10 to 5 mJ with power outputs in the range of 10 to 40 watts. Using this laser as an illumination source, stepper or scanner equipment can produce integrated circuit resolution of 0.1 &mgr;m or less. Replaceable modules include a laser chamber and a modular pulse power system.

    摘要翻译: 一种可靠,模块化,生产质量高的F2准分子激光器,其能够以1,000至2000Hz或更大的重复频率产生具有大于10mJ的脉冲能量的激光脉冲,全宽度为一半,最大带宽为约1pm, 在157nm范围内的波长较小。 公开了激光气体浓度,用于减少激光器的红外辐射。 还公开了对红外光基本上不敏感的紫外线能量检测器。 本发明的优选实施例可以在1000至4000Hz的范围内操作,脉冲能量在10至5mJ的范围内,功率输出在10至40瓦的范围内。 使用该激光器作为照明源,步进器或扫描仪设备可以产生0.1mum以下的集成电路分辨率。 可更换的模块包括激光室和模块脉冲电源系统。