On-the-fly beam path error correction for memory link processing

激光射束定位器(图12，340，236，260，262，302，304，310，312，316，318，320，322，324，326，328，330，336，342)使用一种操作镜，其执行激光射束的小角度反射，以补偿定位器平台的交叉轴的定位误差。由于定位器平台任一轴可以用于执行工作，因此一种两轴操作镜是优选的。在一个实施例中，操作镜仅用于误差校正，而不需要以定位器平台的位置命令来协调。在半导体连接处理("SLP")的应用中，一种使用弯曲机构以及压电驱动装置来倾倒以及倾斜该镜子的快速操作镜是优选的。本发明补偿交叉轴的定位时间，致使SLP系统的产量以及精度增加，同时由于该操作镜的校正会宽松化定位器平台的伺服驱动需求，因而简化了定位器平台的复杂度。 Laser beam positioners (Figure 12, 340, 236, 260, 262, 302, 304, 310, 312, 316, 318, 320, 322, 324, 326, 328, 330, 336, 342) employ a steering mirror that performs small-angle deflection of a laser beam to compensate for cross-axis setting errors of a positioner stage. A two-axis mirror is preferred because either axis of the positioner stages may be used for performing work. In one embodiment, the steering mirror is used for error correction only without necessarily requiring coordination with the positioner stage position commands. A fast steering mirror employing a flexure mechanism and piezoelectric actuators to tip and tilt the mirror is preferred in semiconductor link processing ("SLP") applications. This invention compensates for cross-axis settling time, resulting in increased SLP system throughput and accurately while simplifying complexity of the positioner stages because the steering mirror corrections relax the positioner stage servo driving requirements.