Appendix A to IPC-2221B provides current test coupon designs as developed and maintained by the IPC 1-10c Test Coupon and Artwork Generation Task Group. These coupons are intended for qualification and conformance assessment to IPC-6010 printed board performance series specifications. This June 2018 version 2.0 file includes new coupon designs for propagated B and D structures for via evaluation...
IPC-7352: Generic Guideline for Land Pattern Design
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