August 2017 • The PCB Magazine 103
5
All About Flex: Etchback on Type
3 and Type 4 Flexible Circuits
Through-hole etchback is a re-
quirement that is sometimes
specified on medical, military
and aerospace procurement doc-
uments for multilayer flexible cir-
cuits and combination multilayer
flex/rigid board circuits. It specif-
ically relates to the copper plated through-holes
and the relative dimensions between the dielectric
layers and copper layers.
6
Happy's Essential Skills: Tip of
the Month—The NIST/SEMATECH
e-Handbook of Statistical Methods
In the 1990s, the National Bu-
reau of Standards was distrib-
uting a popular statistical docu-
ment, Handbook 91. A request
by Patrick Spagon of the Statis-
tical Methods Group of SEMAT-
ECH to update the NBS Hand-
book 91, Experimental Statistics, has resulted in a
new web-based statistical handbook including sta-
tistical software.
7
The Significance of the PCB in
the Value Chain of the European
EMS Industry
At SMT Nuremberg, Pete Star-
key meets
with Dieter Weiss,
who comments upon the sig-
nificance of the PCB in the val-
ue chain of the European EMS
industry,
and looks to a future
where we embrace an open-
minded attitude and a willingness to work together.
8
Megasonic Acoustic Surface
Treatment Process for Enhanced
Copper Electrodeposition in
Via Interconnects
A printed circuit board is
populated with a multitude
of electro-mechanical com-
ponents plus various active
and passive devices such as
transistors, capacitors, in-
ductors and resistors, which
enable the functionality and assembly of the PCB.
9
Review of the 2017
IPC Reliability Forum
IPC continues to lead
our industry by exam-
ple with their inaugural
Reliability Forum, held
in Chicago in April. The
event was focused on
manufacturing high-performance products and
featured industry royalty from both a speaker and
audience standpoint.
J
Jill Scadden Joins Advanced
Circuits as Business
Development Manager
Advanced Circuits welcomes Jill
Scadden as business develop-
ment manager. She will be re-
sponsible for discovering new
business opportunities and en-
hancing Advanced Circuits' of-
ferings by working closely with
customers and prospects to create customized
solutions for their unique PCB fabrication needs.
For the latest PCB news and information,
visit: PCB007.com
