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Survey on Lead Free Solder Systems
Colophon
Title
Survey on Lead Free Solder Systems
Subtitle
Results of a Danish R&D project on the environmental and technical impacts of
substituting lead containing solders by lead free solder systems
Author
Juul, Poul; Zachariassen, Kim; Roslund, Turi; Hansen, Svend Aage; Ebdrup, Lars;
Bentzen, Brian Sloth; Nielsen, Ivan Ring
Publisher
221 Danish Environmental Protection Agency
Responsible institution
TechnoData A/S; Dansk Toksikologi Center; Simrad Shipmate A/S; DELTA; HYTEK; Bang &
Olufsen A/S; Grundfos Elektronics
Copyright
Ministry of Environment. Danish Environmental Protection Agency
Series and number
Environmental Project no. 778, 2003
Keywords
eng: cleaner products; electronic industry; lead CAS 7439-92-1
Emneord
dan: renere produkter; bly CAS 7439-92-1; elektronikindustri
Abstract
eng: The report covers an overview of the results achieved within the national Danish Lead
Free Soldering project. The project has had the aim of comparing electronics joining
technologies based on lead free alloys with traditional SnPb-solders. The report describes
the environmental aspects of introducing lead free solder systems in electronics
manufacture compared with lead containing solder. It also contains a technical assessment
of two promising lead free solder systems (Sn-4.0Ag-0.5Cu and Sn-3.5Ag). Experiments have
been carried out on FR4 PCBs using both reflow soldering and wave soldering techniques.
Resumé
dan: Rapporten giver en overblik over de resultater, der er nået i det danske projekt
vedr. blyfri loddemetoder. Formålet med projektet er at sammenligne elektroniske
loddemetoder med blyfri legeringer med de traditionelle SnPb-loddemetaller. Rapporten
beskriver de miljømæssige forhold ved indførelse af blyfri loddesystemer i
elektronikindustrien, sammenlignet med blyholdige loddemidler. Der gives desuden en
teknisk vurdering af to lovende blyfri loddesystemer (Sn-4.0Ag-0.5Cu og Sn-3.5Ag). Der er
gennemført forsøg med FR4 PCB, både med reflow-lodning og bølgelodning.
Language
eng
ISBN - electronic
87-7972-512-0
Price - electronic
URL
http://www.mst.dk
Alternative URL
Version
1.0
Version date
2003.03-18
Format
htm; gif; jpeg; pdf
Inventory
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Publication standard no.
1.0
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