Adhesives |
| Adhesive Obsolescence It is very rare for an adhesive to become obsolescent unless one or more of the constituent parts become unavailable due to re-classification as a chemical, such as toxic, or due to unavailability as a component part. Adhesives can also be withdrawn due to a lack of market demand, in which case a similar more modern formulation is often available. Adhesives should be looked on as a system, and not something in isolation, taking into account primers, catalysts, storage and operating conditions etc. This presentation looks at all of these. John Terry, Hitek Electronic Materials, 06-Feb-07 |
| Silver Epoxy Adhesive Joining for Lead-Free Semiconductor Packaging and Microelectronics Assembly Conductive epoxies have a long history of successful use in hi-rel hybrids, now environmental considerations have caused the electronics industry to consider their use as a solder replacement.Particularly when compared to lead free solders they offer lower temperature processing, reducing component stress and also offering the use of lower cost substrates.It can be demonstrated that when the most suitable component and substrate metallization are used, both electrical and thermal conductivity of the joints can be comparable to that of solder, and that these parameters can remain stable even under thermal stress. Peter Burgess, Promatech Ltd, 07-Feb-06 |
| Electrically Conductive Adhesives as a Solder Alternative Geert Luckx, Emerson & Cumming, 19-May-05 |
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