Tin Pest: Still a Forgotten Concern in Lead Free Assembly
Folks, I am still surprised that so few people are concerned about tin pest in lead-free assembly. Below is an excerpt from a paper I wrote on the top...
Solder Alloys
Comments on Handheld XRF Analyzers for RoHS Compliance Screening
Folks, Several companies have developed hand held units to aid in screening for RoHS compliance Let me start off by saying that I think such a unit wo...
High Lead Solders Exempt from RoHS
Eric writes: Dr. Ron, I have an application that uses a high melting point solder. The solder has more than 85% lead. Is it exempt from RoHS? Eri...
RoHS Exemption for Ceramic Devices?
Chuck writes: Dr. Ron, I make ceramic modules, so I am assuming that I am excepted from RoHS (See Annex 4.) My ceramic models use lead containing sold...
APEX Update
Folks, I am here at APEX in sunny (?) LA. Show attendance appears to be high despite the rainy weather. The theme of the show: Lead-free. This sho...
Dr. Lee and Dr. Lasky to Present at APEX
Indium Corporation’s VP of Technology, Ning-Cheng Lee, Ph.D and Senior Technologist, Ronald C. Lasky, Ph.D., PE, will both be presenting courses...