62 The PCB Magazine • June 2014
THE DEgREES oF NICKEL HyPER-CoRRoSIoN AND MITIgATIoN STRATEgIES continues
Supplying Unusual Flex to Meet Customers' Needs
by Real Time with...IPC APEX EXPO 2014
joe Fjelstad interviews Pete uka,
director of technology at
Q-Flex inc about the challenges
of supplying unusual flex circuits
and specialty products, such as
a recently completed 15-ft long
flex and a flex circuit smaller
than a grain of rice!
realtimewith.com
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realized. However, attempting to use lower gold
concentrations without an improved process in
general will lead to disaster.
There are other factors that influence the
potential for corrosion spikes. These will be
presented in a future column of Trouble in Your
Tank.
PCB
michael carano is with omg
electronic chemicals, a devel-
oper and provider of processes
and materials for the electron-
ics industry supply chain. to
read past columns, or to con-
tact the author, click here.
Figure 4: lower gold content solution
with electroless nickel process with
tighter phosphorous content range.
note: no corrosion spikes.
