The new PCB flatness guidelines cover machine selection, measuring and testing, to which our author adds some best practices.

How environmental management systems will change under the new OHSA requirements.

A wafer fab asked if I could tell them what level of maintenance-technician staffing would maximize profits in their epi area. Their technicians were the ones who repaired machines when they failed. Occasionally, all technicians would be busy when a machine failed, causing it to sit idle until a technician could get to it and conduct the repair.  More technicians would cost more money but reduce this wait-for-technician time.

How a novel high-yield package cut costs by 32% vs. COB.