At Sonnet, we've been developing 3D planar EM software since 1983, and our software has earned a solid reputation as the world's most accurate commercial planar EM analysis package for single and multi-layer planar circuits and antennas.

Sonnet Software Inc., founded by Dr. Rautio, is a private company, dedicated completely to the development of commercial EM software. We take great pride in providing quality technical support for our products--which we believe to be very important for high-end technical software products.

Sonnet is based in Syracuse, NY, USA with representatives across the globe.

As a representative of CST of America, Sonnet offers the CST MicroWave Studio software for full 3D EM analysis to North American customers. Together, the Sonnet Suites and the CST MicroWave Studio suite provide high frequency designers and research specialists unparalleled capability for accuracy, stability and ease of use for a wide range of planar and full 3D EM analysis challenges.

For more information, please contact us.

Trademarks
The program names xgeom, emstatus, emvu, patvu, dxfgeo, ebridge, emgraph, gds, emserver and emclient (lower case bold italics), Lite, LitePlus, Level2 Basic, Level2 Silver, and Level2 Gold are trademarks of Sonnet Software, Inc.
Sonnet® and em® are registered trademarks of Sonnet Software, Inc.
UNIX is a trademark of Unix Systems Labs.
Windows 95, Windows 98, Windows2000, Windows ME, Windows XP and Windows NT are trademarks of Microsoft, Inc.
X Window System is a trademark of the Massachusetts Institute of Technology.
AutoCAD and Drawing Interchange file (DXF) are trademarks of Auto Desk, Inc.
SPARCsystem Open Windows, SUN, SUN-4, SunOS, Solaris, SunView, and SPARCstation are trademarks of Sun Microsystems, Inc.
HP, HP-UX, Hewlett-Packard are trademarks of Hewlett-Packard Company. ADS, Series IV, Touchstone, and Libra are trademarks of Agilent Technologies.
Super-Compact is a trademark of Compact Software, Inc.
GDSII is a trademark of Calma Company.