Yes, a solid state SSTC that produces disruptive discharges.
http://www.mediafire.com/imgbnc.php/9510cbeef705f77bcee12ee68a7d2a935g.jpg
http://www.mediafire.com/imgbnc.php/e26bc2d1007ab61498c1993bd3f4321b5g.jpg
http://www.mediafire.com/imgbnc.php/7e30f52dae3240f63d0860026f1a73f05g.jpg
http://www.mediafire.com/imgbnc.php/4896df8ca324f9855822ef875eca2f095g.jpg
And a "ghost spark", a discharge blowing apart, and another nice "ghost":
They're gorgeous, makes me think of deep-zoomed Julia sets.
Gary.