Silk is a common name for 0.0 1mm by mechanical workers. Workers with Shanghai craftsmanship say "silk", and in the north, 0.0 1mm is called "pottery". Both of these statements are understandable in the industry.
1 mm = 100 wires (channels)
Diaosi also cried, not a diaosi rice in the unit system.
Traditionally, silk is called Mi Hu, 1 silk = 1 Mi Hu = 0.01mm = 0.00001m =10 micron =0.00 1 cm.