Round Robin Test Program Results: Buckbee Mears Evaluation of P

Round Robin Test Program Results: Buckbee-Mears Evaluation of PCMI Test Patterns

Spring 1983

After we received a test kit from the PCMI office and before any etching was done, the condition of the developed Riston on the copper was evaluated first. The resist was tested and photographs were taken to find out how sharp the developed image was and if there were any problems of lifting. plus how far down the lines and dots were developed. Both the starburst pattern and the pattern with the wedge were observed, plus any resist breakdown and dark streaks or other possible resist problems that might cause etching problems.

Tom Miller and Dr. Charles Ring, Buckbee-Mears
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