M00018517
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ISO/IEC DIS 7811-8 2013 Edition, May 27, 2013 IDENTIFICATION CARDS - RECORDING TECHNIQUE - PART 8: MAGNETIC STRIPE - COERCIVITY OF 51,7 KA/M (650 OE)
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Availability date: 07/14/2021
Description / Abstract:
ISO/IEC 7811 defines the characteristics for identification
cards as defined in Clause 4 of this part of ISO/IEC 7811, and the
use of such cards for international interchange.
This part of ISO/IEC 7811 specifies requirements for a 51,7 kA/m
(650 Oe) magnetic stripe (including any protective overlay) on an
identification card. The encoding technique and coded character
sets are not defined, however, the specifications of ISO/IEC 7811-2
may be used. It takes into consideration both human and machine
aspects and states minimum requirements.
Coercivity influences many of the quantities specified in this
part of ISO/IEC 7811. It has a nominal value of 51,7 kA/m (650 Oe),
but is not itself specified. Exposure of the card to a magnetic
field is likely to destroy the recorded data.
ISO/IEC 7811 provides criteria to which cards are to perform. No
consideration is given within ISO/IEC 7811 to the amount of use, if
any, experienced by the card prior to test. Failure to conform to
specified criteria should be negotiated between the involved
parties.
ISO/IEC 10373-2 specifies the test procedures used to check
cards against the parameters specified in this part of ISO/IEC
7811.
NOTE Numeric values in the SI and/or Imperial measurement system
in this part of ISO/IEC 7811 may have been rounded off and
therefore are consistent with, but not exactly equal to, each
other. Either system may be used, but the two should not be
intermixed or reconverted. The original design was made using the
Imperial measurement system.