Evolution of Thinness

Sagami
Original 0.03
1998
35microns (average)
Sagami Original 1998
*Obsoleted
Sagami
Original 0.02
(1st Generation)
2005
28microns (average)
Sagami Original 0.02 2005
*Obsoleted
Sagami
Original 0.02
(2nd Generation)
2009
24microns (average)
Sagami Original 0.02 2009
Sagami
Original 0.02
Premium
2011
22microns (average)
Sagami Original 0.02 Premium 2011
*Obsoleted
Sagami
Original 0.01
2013
18microns (average)
Sagami Original 0.01 2013