There's been a resurgence in interest in ribbon microphones over the last few years, as folks have realised the unique qualities offered by ribbon technology - indeed, we regularly use ribbon mics ourselves as our go-to review microphones, as they offer such an accurate and authentic representation of whatever is placed in front of them.
There are drawbacks to ribbon mics, though, and one of the main ones is the relative fragility of the thin ribbon elements themselves. Usually made from aluminium, the ribbons are easily damaged by careless use, sudden wind transients... even closing the mic box too quickly can cause damage.
So Finland based Sandhill Ribbon Microphones went to a clean drawing board and spent 4 years developing an alternative polymer nano-composite ribbon material designed to withstand a lot more abuse than traditional aluminium ribbon mics.
In fact, one of the three-man team behind Sandhill, Riku Pasanen, said he fixed their mic to the front of his car and drove at 100kmph just to give it a bit of a severe 'road test'... and it still worked just fine ;-]