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LEAD-FREE SOLDERING
¨ How will the European Directive banning the use of lead in electronic and electrical equipment impact your business?
¨ Have you the knowledge and information you need to meet the
regulations?
¨ Do you know how to go about it, when you need to be lead-free
and when you need to start preparing?
¨ Would you like some simple and straightfoward help?
“A Guide To Lead-Free Soldering for Assemblers & Sub-contractors”,
written by Roger Bilham, a metallurgist with many years’ experience developing and making solder products, is a concise source of the information you need. A Guide To Lead-Free Soldering is available, priced £35.00 +vat, as a PDF file by e-mail or on CD.
Topics covered in its 48 pages include:
· Legal position in Europe, USA and Japan
· Lead-free alloy requirements - technical and economic
· Problems posed by lead-free solders
· Melting temperatures
· Oxidation and corrosion
· Fillet lifting & cracking
· Tombstoning
· Tin whiskers
· Tin pest
· Potential and practical lead-free alloys with their properties
· High temperature, high lead solder -component internal connections, nonmelting columns and balls
· Patents
· Lead-free circuit board finishes
· Lead-free hot air solder levelling
· Components for lead-free soldering -temperature capabilities and terminations
· Fluxes
· Mixed lead-free and lead-containing solders & finishes
· Lead-free process challenges - cost, temperature, process window, machine issues, flux residues
· Defects, inspection and quality
· Repair and rework
· Solder variety and standardisation
· Use of nitrogen
· Lead-free in the reflow process - temperature profile, machine implications
· Lead-free in the wave process - composition changes, machine implications
· Lead-free vapour phase soldering
· Environmental and cost disadvantages of lead-free solders
· Logistics of introducing lead-free solders
· Sources of further information
Orders to: sales@zeltekbt.co.uk or Direct
Roger Bilham Consultancy