Phoenix — The IEEE MTT-S 2015 International Microwave Symposium (IMS) welcomes a record-breaking 904 booths from 620 exhibitors to the show floor opening today, Tuesday, May 19, at 9 a.m. as part of IMS2015. IMS, the annual conference and exhibition of the IEEE Microwave Theory and Techniques Society (MTT-S), is the premier international meeting for technologists involved in all aspects of microwave theory and practice. The symposium lasts through Friday, May 22, 2015.