Test Coupons

[Ray Kuwalik]

Does anyone know

1). If test coupons are requred on double sided boards?
2). If so, what is the governing spec covering this situation?

Thanks In Advance

[Scicards]

A simple coupon, so you can measure plateing on PTH's

and some trace withs.

I think IPC-2222 covers it Ray.

Lou Dallara