66 PCB007 MAGAZINE I MARCH 2021
measurements have broad requirements across
many different materials and processes most of
which fall into the purview of the 5-30 Clean-
ing and Coating Committee Group (Figure 4).
Action Points arising from the drivers of this
development work as they pertain to the vari-
ous sub-committees 5-30 are:
• 5-32a: I have asked for a revision of 2.3.25
re-adapted as a process control test
• 5-32b SIR/ECM has already prepared a
"Process Control Characterisation Test
using SIR" that goes beyond the soon to
be published IEC 61189-5-502 Standard
• 5-32c Cleanliness Assessment and 5-32e
CAF will be required to consider bare
laminates, surface finishes and solder
masks
• 5-33a Conformal Coating should consider
adopting the IPC B53 test coupon
• 5-33b Solder Mask should consider
adopting the IPC B53 test coupon
It is anticipated that the respective commit-
tee chairs will agree to take forward the pro-
posed action plan.
is document is submitted for review and
consideration of all involved committees in
IPC. PCB007
Graham Naisbitt is vice-chair
5-30, chair 5-32b, and
vice-chair 5-32e. Naisbitt is
the author of The Printed
Circuit Assembler's Guide to
Process Validation. You can
also watch our roundtable
discussion on the subject here. Please also
listen to this audio interview from IPC APEX
EXPO 2021.
Figure 4: 5-30 The Cleaning and Coating Committee Group.
