Similarly, the term GDD is generic covering the entire novel gaseous detection principle in ESEM, but some users and the manufacturer have used the terms ESD and GSED to denote the secondary electron mode of this detector.
Similarly, the term GDD is generic covering the entire novel gaseous detection principle in ESEM. The terms ESD and GSED, in particular, have been used in conjunction with a commercial ESEM to denote the secondary electron mode of this detector.