While nitrogen and hydrogen can be used as alternate carrier gases for GC/MS, there are unique challenges that must be addressed when trying to duplicate the performance of helium.

This is a continuation of our series on gases and toxic gas fundamentals speaking of European and US exposure limits.

The design and operation of a microspectrometer for 3-5 µm with an integrated micromachined Fabry-Perot filter demonstrating the use of the tunable detector in gas analyzers and spectroscopic applications.

While there was marked pre-show pessimism regarding SEMICON West 2009— attributed mostly to several major vendors cancelling their booths— exhibitors that we talked with at the show were not at all disappointed. In fact, one of our advertisers proclaimed, “I got more leads in the first day then I got during the entire show last year.”