-5-
6. CARD STANDARD
6.1
Card standard
Card Standard
ISO 1
ISO 2
Track 1st
Track 2nd
Recording density
Recording capacity
Recording method
210 BPI
79 Characters
(7 bit code)
FM
75 BPI
40 Characters
(5 bit code)
FM
6.2 Location of tracks
ISO (2 Tracks
ISO 7810, ISO 7811
Coercive force(Hc):2.4
ラ
10
2.4
ラ
10 (A/m)
(300
3000(Oe))
(unit mm)
5.66 max.
8.46
8.97
〜
85.47
85.72
8.97
8.46
̀
〜
11.76
12.27
〜
7.44
0.51(Track1, 2)
12.52
12.01
}
〜
7.44
1.0
(Track3)
±
15.32
15.82
〜
Mag stripe
Track1
Track2
Track3
6.93 min.
53.92
54.03
〜
center lineof
center lineof
last data bit
first databit
(Unit : mm)
Figure 6.2 Location of Tracks
0.68
~
0.84