Figure 1. When using a VOS for alignment, it is desirable to have a fixed location for the component to be picked up by the vacuum nozzle within the reflow head.

• 图1.；当采用视觉叠层系统（VOS）进行对准时，在再流焊头里有一个固定位置通过真空吸嘴拾取元器件，是再理想不过了。