Title
Association & institutes news
Association & institutes news
for Printed Boards. This newly revised spec-
ification sets the requirements for the use
of immersion silver (IAg) as a surface finish
for printed boards, adding a maximum
sMTA 25th Anniversary celebration
deposit thickness based on performance
at sMTAi Announced
sMArT group to celebrate 25th An-
criteria; the minimum thickness require-
The SMTA is pleased to announce its 25th
niversary with year of events
ment was provided in the original release
Anniversary Dinner and celebration at
Chairman Keith Bryant announced that
of IPC-4553. Revision A also establishes a
SMTA International on Monday, October
to commemorate the Silver Anniversary
single thickness range to avert confusion
5, 2009, at 6pm. The occasion will be
of SMART there will be a year of celebra-
between what is “thin” and “thick.”
marked by reflecting on the theme of past,
tion, commencing with a 25th Anniversary
“While the maximum thickness
present, and future. Acting as Master of
Seminar at its popular Oxfordshire venue
requirement may seem like a relatively
Ceremonies, Mike Buseman, Plexus, will
on October 22nd
simple item to generate, it took a great deal
host the event in addition to announcing a
Headline speakers Doug Pauls and
of effort on the part of the 4-14 Plating
number of luminaries and events from the
Dave Hillman from Rockwell Collins,
Processes Subcommittee to define the hard
past 25 years.
USA, together with a line-up of speakers,
number of what the maximum thickness
The event will feature presentations by
supported by a table-top exhibition. In
can be to produce a high quality surface
two long-time SMTA members: Ken Gilleo,
the evening of this event there will be a
finish,” says Subcommittee Co-chair
Ph.D, ET-Trends, who will be giving a hu-
celebration get-together. Throughout the
Gerard A.O’Brien, president, Solderability
morous look at the trials and tribulations
year a calendar of events is being planned,
Testing & Solutions, Inc. O’Brien notes
of SMT evolution in the past 25 years and
culminating in a major conference and
that the lack of a maximum thickness
Ronald Lasky, Ph.D, Dartmouth College/
exhibition next autumn.
requirement in the original release of the
Indium Corporation, who will discuss the
Book your table top space at this exhi-
document in 2005, confounded with the
future of the industry.
bition contact Tony Gordon
“need to know” of whether the IAg being
Registration for the dinner will be
This week one of the founder mem-
used was of the “thin” or “thick” variety,
available on the SMTAI registration form
bers of the group, Mike Fenner (Indium
could easily mislead a user to apply the
online by the end of June. For more
Corporation) was invited to the original
finish outside its optimum process window.
information on SMTAI as well as the 25th
venue where the inaugural meeting was
He adds, “This, in turn, could result in
Anniversary Dinner, contact SMTA Execu-
held in 1984, The White Hart Hotel (now
an inferior finish quality that would not
tive Administrator JoAnn Stromberg at
renamed ‘The Great House’) in Sonning
perform adequately during subsequent
952-920-7682 or
joann@smta.org.
Berkshire. He was welcomed by Steering
assembly.”
Visit
http://www.smta.org/smtai/special_
Committee Members Nigel Burtt and Mike
Addressing the misunderstandings of
events.cfm#anniversary for more details.
Judd, where they reminisced on the mile-
“thin” vs. “thick,” Revision A establishes a
The SMTA membership is an inter-
stones and achievements of the group.
single thickness range. As Subcommittee
national network of professionals who
(Of course the founder member was
Co-chair George Milad, national accounts
build skills, share practical experience and
John Burke who is now based in the USA)
manager for technology, Uyemura Interna-
develop solutions in electronic assembly
The SMART Group was formed by
tional Corp., explains, “What was formerly
technologies, including microsystems,
engineers originally to meet the new chal-
termed ‘thin’ is no longer recognized or
emerging technologies, and related busi-
lenge of Surface Mount Technology. Along
addressed in IPC-4553A. ‘Thin’ immersion
ness operations.
the way the vision has changed to embrace
silver has declined to such a minor portion
all the new technology developments and
of the total immersion market that delin-
environmental concerns. These include de-
eating two thickness ranges just exacerbated
sign, printed circuit board manufacture, all
the confusion between board manufactur-
components, assembly, test and reliability,
ers and their chemical suppliers.“
rework and repair.
www.smartgroup.org
More information on IPC-4553A,
Specification for Immersion Silver Plating
for Printed Boards, is available in the IPC
online bookstore at
www.IPC.org/onlinestore.
Questions should be directed to subcom-
mittee staff liaison, Tom Newton, IPC
revised ipc standard on immersion
director of PCB programs, standards and
silver plating establishes Maximum
technology, at
TomNewton@ipc.org or +1
Deposit Thickness
847-597-2849.
IPC - Association Connecting Electronics
Industries® today released IPC-4553A,
Specification for Immersion Silver Plating
36 – Global SMT & Packaging – August 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