Global SMT & Packaging issue 8.9

Association & institutes news
Association & institutes news
demonstrate how to achieve optimum Commission, the Öko-Institut recommended
process stability in line with the highest the restriction of Tetrabromobisphenol
possible process efficiency and yield. A (TBBPA), the flame retardant used to
Optimising copper treatment is protect more than 80 percent of printed
important at the following stages: circuit boards and found to be safe by
- Inner layer resist lamination a comprehensive European Union risk
- After etching and resist stripping to assessment. In addition to TBBPA,
Free Lead-Free Defect Guide 2 optimise AOI efficiency Hexabromocylcododecanes (HBCDDs),
available - Surface treatment before multilayer several phthalate plasticizers and all
The SMART Group Lead-Free Defect lamination organic compounds containing chlorine
Guide 2 is now available free to assist - Pre-lamination cleaning of copper for and bromine are included in the report as
engineers in understanding process criteria plating resist suggested bans.
and defect types. The A5 colour guide - Pre-plate cleaning for best adhesion of “IPC is concerned that Öko-Institut’s
was first introduced in 2007 and has metal to metal recommendations are arbitrary and lack a
now been updated and expanded over 45 - Pre-lamination cleaning before solder sound scientific basis. Implemented, these
pages. The guide now features a Lead-Free mask coating recommendations will have a significant
Process Checklist covering each stage of - Cleaning after solder mask curing negative impact on our members,” explained
manufacture and can be used as an auditing (bake) to remove residues that may Fern Abrams, IPC’s director of government
tool. To aid engineers in monitoring their impact the final finish like HASL / relations and environmental policy. She
process and benchmarking different process electroless Sn / ENIG noted that IPC held the meeting in Brussels
steps, a guide to PPM monitoring has Learn the benefits of Nano-Finishes to to make sure that all technical issues were
been included. The guide features defects improve solderability and yield in the considered by the commission when they
associated with components, printed soldering processes. drafted the RoHS revisions.
circuit boards, design, materials, assembly During the workshop, participants Attendees at the meeting included
and rework. It also includes some of the will learn how to set up copper activation members of the European Commission and
problems that may be experienced on field processes based on the fabrication processes, the RoHS Technical Advisory Committee
returns. Information on how to obtain the the type of PCB that are to be manufactured from Brussels and the United Kingdom;
free guide is available at and the equipment that is available to meet and representatives from European Space
www.smartgroup.org. the key objective: “Cost reduction in PCB Agency; EU Commission consultant ERA
fabrication.” Technology Ltd.; Rockwell Collins; AT&S
The morning will be devoted to various Austria Technologie & Systemtechnik
technical presentations on copper surface AG; Philips Healthcare; Henkel Ltd.; BAE
treatment at the Hotel Schloss Grünewald Systems Platform Solutions; Lockheed
in Solingen-Gräfrath, and after lunch there Martin; Aerospace Industries Association
will be practical demonstrations at the KIV of America; American Embassy Brussels;
PCB factory in Solingen. Avantec; Isola GmbH; and EADS.
For full details please contact Sonja “I’m delighted IPC held this meeting.
Workshop on cost reduction Derhaag at the EIPC Office in Maastricht IPC is providing a knowledge base and a
Learn how to use advanced PCB surface sderhaag@eipc.org voice for companies our size, and other
treatment for best copper to copper and industry members who might not be aware
resist adhesion as well as nano-technology of the restrictions or might feel their
as final finish for soldering at a German- concerns are not being addressed,” said
language workshop on “Cost-reduction in Lamar Young, technical manager, Specialty
PCB fabrication without sacrificing quality” Coating Systems, Inc.
to be held 4th September 2008 in Solingen, Working with the meeting attendees,
Germany. IPC is developing a “supply chain”
EIPC, in conjunction with KIV PCB IPC Brussels meeting on RoHS white paper in response to the proposed
ProfiChem GmbH in Solingen, Germany, revisions identifies concerns with restrictions. According to a commission
are holding a workshop during which the Öko-Institut study member, a technical response across a large
relevant processes are reviewed and how the Industry leaders, representing key segments section of the supply chain would be an
copper treatment has to perform depending of the electronics supply chain, came effective method in communicating industry
on the condition of the copper, the plating together at an IPC workshop in Brussels issues.
solution as well as the condition of the on June 18, 2008, to address industry A copy of the agenda and the workshop
equipment. The event is also sponsored by concerns with the Öko-Institut report on presentations are available at www.ipc.org/
Ormecon who will explaining future nano- the proposed expansion of RoHS substance ipcbrussels.
finishes for PCBs. restrictions.
The goal of the workshop is to In their draft report to the EU
62 – Global SMT & Packaging - August 2008 www.globalsmt.net
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