IPC Propagated D Coupon Generator

This coupon generator is based on the D coupons of IPC 2221B Appendix A and the latest IPC 1-10c committee requirements.  It is also recommended that the drill, etch and soldermask fabrication compensations be applied uniformly to both the coupons and product board after the coupons have been designed.


Product Acceptance Drawing Notes

IPC D COUPON TESTING

A.  IPC D COUPONS SHALL BE DESIGNED USING THE COUPON GENERATOR AT WWW.CAT-TEST.INFO.  COUPONS SHALL INCLUDE COMPONENT (A), VIA (B) AND ALL PROPAGATED B STRUCTURES IAW IPC-2221B APPENDIX A.  4 OF EACH COUPON DESIGN SHALL BE TESTED PER MANUFACTURING PANEL.

B.  THE IPC D COUPONS SHALL BE SUBJECTED TO 6 REFLOW SIMULATIONS IAW IPC-TM-650, METHOD 2.6.27A USING THE [230C, OR 245C, OR 260C] PROFILE.  ACCEPTANCE CRITERIA SHALL BE <5% CHANGE IN RESISTANCE.  

C.  AFTER REFLOW SIMULATION THE IPC D COUPONS SHALL BE SUBJECTED TO 100 THERMAL SHOCKS IAW IPC-TM-650, METHOD 2.6.7.2 FROM -55C TO [MINIMUM OF (LAMINATE TG - 10C), OR (REFLOW PEAK TEMPERATURE - 25C), OR 210C].  ACCEPTANCE CRITERIA SHALL BE <5% CHANGE IN RESISTANCE.

D.  THE LAMINATE TG SHALL BE DETERMINED FROM THE LOWEST VALUE REPORTED FROM THE MATERIAL SUPPLIERS DATA SHEET.

E.  RESISTANCE MEASUREMENTS SHALL BE MONITORED AT LEAST EVERY SECOND DURING REFLOW SIMULATION AND AT LEAST ONCE PER CYCLE DURING THERMAL SHOCK.

F.  RESULTS FROM ALL D COUPONS TESTED SHALL BE REPORTED.

G.  MICRO-SECTIONING OF THE D COUPONS AFTER TESTING IS NOT REQUIRED.

Note:  Parameters in red should be tailored to each application.



Copyright © 2019 Conductor Analysis Technologies, Inc. - All Rights Reserved

This coupon generator is owned by Conductor Analysis Technologies, Inc. and is protected by United States copyright laws and international copyright treaties.  Any decompiling, disassembly, or reverse engineering the coupon generator is prohibited.


Terms and Conditions of Use

Conductor Analysis Technologies, Inc. does not guarantee the proper function of this coupon generator and all coupon designs are provided "as is" without warranty, either expressed or implied, and should be reviewed for accuracy prior to use.  By using the coupon generator, you agree to defend, indemnify and hold Conductor Analysis Technologies, Inc.  its officers, directors, employees, agents, licensors and suppliers, harmless from and against any claims, actions or demands, liabilities and settlements including without limitation, reasonable legal and accounting fees, resulting from or alleged to result from, your use of the coupon generator.

Continuing indicates you understand and agree to the terms and conditions of use.



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