Category Archives: Sticky Notes

Henkel’s Dr, Brian Toleno talks materials

July 1st, Here we come!

Well July 1st will be here on Saturday. Is everyone RoHS compliant? Probably not. As a materials supplier we are often asked to assist our customer’s with the Pb-free transition. Most of the large OEMs and CMs have made the … Continue reading

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Califorina RoHS, 2007 or 2009?

Recently there has been some talk that the CA legislation may not take effect until 2009. The Californian Bill SB50 is due to take effect on 1 January 2007 emulating the RoHS ban on Cd, Hg, Pb, hex Cr (not … Continue reading

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Glass Transition Temperature

Another common misconception (at least with adhesive materials) is the concept of Tg (glass transition temperature). Most of the adhesives used in the electronics industry are thermosetting materials. As such they do not “melt” but have two physical properties that … Continue reading

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Making Sense of Technical Data Sheets

With the advent of the web engineers and scientists at different companies often make use of the vast knowledge available “out there” to look up and research materials. This can be a great first step in narrowing down a search … Continue reading

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When Adhesives Don’t Stick

The one property everyone expects from an adhesive is that they stick things together. It is true when you buy some sort of glue for your house and it is true when you are using an adhesive on your PCB. … Continue reading

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Backwards Compatibility – When Worlds Collide

The July 1, 2006 deadline for RoHS implementation in the EU means different things to different companies. Many of the larger OEMs and CMs have been working at selecting materials and developing processes for several years. Within mid-sized companies there … Continue reading

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RoHS here, RoHS there, RoHS everywhere?

I had the opportunity last week to attend the IPC/JEDEC Pb-free conference in San Jose. Having attended many of these conferences over the past few years it is interesting to see the changes in the types of presentations. Early presentations … Continue reading

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Don’t Forget Thermal Profiles for Adhesives

With the push to Pb-free soldering there is an increased focus on profiling for solder pastes. Many people in assembly realize the importance of using this critical measurement when defining and monitoring a process. What is often not known is … Continue reading

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