At Motorola we had a facility in East Kilbride and a take-back policy for Power transistors ... they could contain Berlyium for example which can be toxic .. I'd understood it was a zone refining process to recover impurities and the process can be repeated to produce high purity semiconductor - grade wafers.
At Motorola we had a facility in East Kilbride and a take-back policy for Power transistors ... they could contain Berlyium for example which can be toxic .. I'd understood it was a zone refining process to recover impurities and the process can be repeated to produce high purity semiconductor - grade wafers.
