Have a customer that is concerned that too much glass on the surface of the part is causing sonic welding issues. They are in the process of quantifying this. In the mean time I am investigating test methods to collect inspection data for in process inspections. I do not want the people on the production floor to make a judgement call on "too glassy" based on visual inspection. I thought there is some sort of test for this, but I have never had to implement it on any other parts.