For those who don't know: DLC = Diamond-like Carbon
Amorphous diamond coating of blades - Patent 5799549
Diamond-like carbon - Wikipedia, the free encyclopedia


Has there ever been an attempt to make a straight razor using this technology?

I'm not too good in materials science, but it seems that honing and stropping would both work differently (stropping may not even do anything) but once a blade is shave ready, it'd remain so for years.