... to be recovered from spent stripping solutions. However, with the arrival of the WEEE directive and with growing concerns over the use of lead in electronics generally, the PCB industry has largely switched to the use of pure tin as an etch resist. As the key novel technology of the earlier recovery equipment...

...Brian Ellis The Earth Technologies Forum is held at regular intervals in the USA,sponsored by a number of American official, trade and non-governmental organisations. This year, the conference was held in the Hyatt Regency on Capitol Hill, Washington, DC, from 25 to 27 March...