Double-sided reflow in one reflow cycle
tial users of OSP should understand some
of the simple process evaluation techniques
or goods receipt tests.
Figures 5 through 8 show joints produced
with this process and tin/silver/copper
solder paste reflowed in a single convection
cycle in air.
Bob Willis is a process engineer working in the
electronics industry, providing training, consul-
tancy and product failure analysis. Bob offers
Figure 8. Microsections of chip termination and a BGA package after reflow.
workshops on lead-free on site for customers. He
runs production lines for suppliers at exhibitions
placement, cost reduction, and improved eliminated. It is the opinion of the author
and also provides seminar and workshops world-
yields. OSP coatings have been shown to that most of the problems seen on OSP-
wide. For further information on lead-free train-
deteriorate during two reflow cycles; with coated boards stems back to the quality or
ing workshops, training materials and lead-free
one reflow process stage the problem is preparation of the original coating. Poten-
process support visit www.ASKbobwillis.com
Editorial: Strategies for the Economic Downturn, continued from page 2
are less affected than say, consumer-led Flash animations and short videos. These
products. Also, take a close look at your features can also be applied to technical
Errata
geographical marketing strategy. Are there articles and news items, where processes
The 2008 World Distributor Review
any territories you are not covering where can be illustrated or demonstrated more
that appeared in issue 8.12 (December
you could pick up additional revenue? vividly.
2008) left out some of the represented
Yet another strategy for improving your for- There is no doubt that 2009 will be
lines of a few of the distributors.
tunes in difficult times is to introduce new more challenging for all of us, but with
Krayden Inc. and Kraydonmex repre-
products. You may not receive as much as sensible marketing strategies, continuous
sent Techcon. Seika Machinery repre-
you would have received during an expan- innovation and expansion into new mar-
sents Nihon Superior. Both Kirby and
sion, but nevertheless, you will still increase kets, we will all emerge stronger.
Demerest and Horizon Sales represent
your ability to sell.
Seika Machinery.
For our part, Global SMT & Packaging —Trevor Galbraith.
is introducing a number of new products
in the new year. The most important
feature is to make our online version of
1. Based on table A-2 in G. H. Moore, Business
the magazine interactive. This will bring
Cycles, Inflation and Forecasting, 2nd ed.,
advertisements to life and incorporate
1983. www.econlib.org/library/Enc1/Recessions.
html
2009
Do you have a process or technology or a really
strong case study that you want to share with
call
Global SMT & Packaging’s readers? Global SMT &
Packaging is currently seeking technical articles and
case studies for publication in its print magazines
for
and website. We are specifically looking for papers
that offer a ‘real’ manufacturing solution and that
have not been previously published in another
papers
magazine or journal. For editorial guidelines,
contact editor@globalsmt.net.
6 – Global SMT & Packaging – January 2009 www.globalsmt.net
Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53