Process Date: February 2000 Marked with the FH "Index" marking head and 10 watt laser using 7 watts at 15"/second. The available space on small PCBs for marking part numbers or date codes is constantly decreasing - one of the reasons for the increased use of Data Matrix codes. However, human readable marks may also be required in some cases. In this instance, a 0.03"-high character string has been marked on the side of the PCB with Synrad's FH "Index" marking head and 7 watts of laser power.