I believe those springs are made by chemical etching, similar to the process for making your own PC boards. Probably the material is copper berylium sheet spring stock. Greg wrote: > > jmhannon@.................... wrote: > > I sure wish there were an easy way to make the spiral flexures used in > > geophones. > _____________________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>