ISO/IEC 7811-7:2014
Identification cards — Recording technique — Part 7: Magnetic stripe — High coercivity, high density
ISO/IEC 7811-7:2014 is one of a series of International Standards describing the characteristics for identification cards as defined in the definitions clause and the use of such cards for international interchange.
It specifies requirements for a high coercivity magnetic stripe (including any protective overlay) on an identification card and encoding technique. It takes into consideration both human and machine aspects and states minimum requirements.
Coercivity influences many of the quantities specified in ISO/IEC 7811-7:2014 but is not itself specified. The main characteristic of the high coercivity magnetic stripe is its improved resistance to erasure. This is achieved with minimal probability of damage to other magnetic stripes by contact while retaining read compatibility with magnetic stripes as defined in ISO/IEC 7811‑2.
ISO/IEC 7811-7:2014 provides for a card capacity of approximately 10 times that of a card conforming to ISO/IEC 7811‑6. The number of tracks has been increased to six, each track being approximately half the width of tracks conforming to ISO/IEC 7811‑6, located so that readers designed to read these high density tracks will also be able to read cards conforming to ISO/IEC 7811‑2 and ISO/IEC 7811‑6. Data is encoded in 8 bit bytes using the MFM encoding technique. Data framing is used to limit error propagation and error correction techniques further improve reliability of reading.
It is the purpose of this series of International Standards to provide criteria to which cards shall perform. No consideration is given within these International Standards 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 ISO/IEC 7811-7:2014.
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Section sec_1
Section sec_2
Section sec_3
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_4.3
Section sec_4.4
Section sec_4.5
Section sec_4.6
Section sec_4.7
Section sec_4.8
Section sec_4.9
Section sec_4.10
Section sec_4.11
Section sec_4.12
Section sec_4.13
Section sec_4.14
Section sec_4.15
Section sec_4.16
Section sec_4.17
Section sec_4.18
Section sec_4.19
Section sec_4.20
Section sec_4.21
Section sec_4.22
Section sec_4.23
Section sec_4.24
Section sec_4.25
Section sec_5
Section sec_5.1
Section sec_5.2
Figure fig_1
Section sec_6
Section sec_6.1
Figure fig_2
Section sec_6.1.1
Figure fig_3
Figure fig_4
Figure fig_5
Section sec_6.1.2
Section sec_6.2
Section sec_6.3
Section sec_6.4
Section sec_6.5
Section sec_7
Section sec_7.1
Section sec_7.2
Section sec_7.3
Table tab_1
Table tab_d
Figure fig_6
Figure fig_7
Section sec_8
Table tab_e
Figure fig_8
Section sec_9
Section sec_9.1
Figure fig_9
Section sec_9.2
Section sec_9.3
Table tab_2
Section sec_9.4
Section sec_9.5
Section sec_9.6
Section sec_9.7
Section sec_10
Table tab_3
Section sec_10.1
Section sec_10.1.1
Section sec_10.1.2
Figure fig_10
Section sec_10.1.3
Section sec_10.1.3.1
Section sec_10.1.3.2
Table tab_4
Section sec_10.1.3.3
Section sec_10.2
Figure fig_11
Section sec_10.2.1
Section sec_10.2.2
Section sec_10.2.3
Section sec_11
Table tab_5
Section sec_12
Figure fig_12
Annex sec_A
Annex sec_B
Annex sec_C
Annex sec_C.1
Annex sec_C.2
Annex sec_C.3
Table tab_C.1
Annex sec_D
Foreword
1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Physical characteristics of the identification card
5.1 Magnetic stripe area warpage
5.2 Surface distortions
6 Physical characteristics of the magnetic stripe
6.1 Height and surface profile of the magnetic stripe area
6.2 Surface roughness
6.3 Adhesion of stripe to card
6.4 Wear of magnetic stripe from read/write head
6.5 Resistance to chemicals
7 Performance characteristics for the magnetic material
7.1 General
7.2 Testing and operating environment
7.3 Signal amplitude requirements for magnetic media
8 Encoding technique
9 Encoding specification
9.1 Angle of recording
9.2 Nominal bit density
9.3 Flux transition spacing variation
9.4 Signal amplitude requirements
9.5 Bit configuration
9.6 Direction of recording
9.7 Leading and trailing clock bits
10 Data structure
10.1 Track format
10.2 Coding for error detection and correction
11 Decoding
12 Location of encoded tracks
Annex A (informative) Compatibility of magnetic stripes (ISO/IEC 7811-6 and ISO/IEC 7811-7)
Annex B (informative) Magnetic stripe abrasivity
Annex C (informative) Static magnetic characteristics
Annex D (informative) Reed-Solomon code references
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Section sec_1
Section sec_2
Section sec_3
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_4.3
Section sec_4.4
Section sec_4.5
Section sec_4.6
Section sec_4.7
Section sec_4.8
Section sec_4.9
Section sec_4.10
Section sec_4.11
Section sec_4.12
Section sec_4.13
Section sec_4.14
Section sec_4.15
Section sec_4.16
Section sec_4.17
Section sec_4.18
Section sec_4.19
Section sec_4.20
Section sec_4.21
Section sec_4.22
Section sec_4.23
Section sec_4.24
Section sec_4.25
Section sec_5
Section sec_5.1
Section sec_5.2
Figure fig_1
Section sec_6
Section sec_6.1
Figure fig_2
Section sec_6.1.1
Figure fig_3
Figure fig_4
Figure fig_5
Section sec_6.1.2
Section sec_6.2
Section sec_6.3
Section sec_6.4
Section sec_6.5
Section sec_7
Section sec_7.1
Section sec_7.2
Section sec_7.3
Table tab_1
Table tab_d
Figure fig_6
Figure fig_7
Section sec_8
Table tab_e
Figure fig_8
Section sec_9
Section sec_9.1
Figure fig_9
Section sec_9.2
Section sec_9.3
Table tab_2
Section sec_9.4
Section sec_9.5
Section sec_9.6
Section sec_9.7
Section sec_10
Table tab_3
Section sec_10.1
Section sec_10.1.1
Section sec_10.1.2
Figure fig_10
Section sec_10.1.3
Section sec_10.1.3.1
Section sec_10.1.3.2
Table tab_4
Section sec_10.1.3.3
Section sec_10.2
Figure fig_11
Section sec_10.2.1
Section sec_10.2.2
Section sec_10.2.3
Section sec_11
Table tab_5
Section sec_12
Figure fig_12
Annex sec_A
Annex sec_B
Annex sec_C
Annex sec_C.1
Annex sec_C.2
Annex sec_C.3
Table tab_C.1
Annex sec_D
Foreword
1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Physical characteristics of the identification card
5.1 Magnetic stripe area warpage
5.2 Surface distortions
6 Physical characteristics of the magnetic stripe
6.1 Height and surface profile of the magnetic stripe area
6.2 Surface roughness
6.3 Adhesion of stripe to card
6.4 Wear of magnetic stripe from read/write head
6.5 Resistance to chemicals
7 Performance characteristics for the magnetic material
7.1 General
7.2 Testing and operating environment
7.3 Signal amplitude requirements for magnetic media
8 Encoding technique
9 Encoding specification
9.1 Angle of recording
9.2 Nominal bit density
9.3 Flux transition spacing variation
9.4 Signal amplitude requirements
9.5 Bit configuration
9.6 Direction of recording
9.7 Leading and trailing clock bits
10 Data structure
10.1 Track format
10.2 Coding for error detection and correction
11 Decoding
12 Location of encoded tracks
Annex A (informative) Compatibility of magnetic stripes (ISO/IEC 7811-6 and ISO/IEC 7811-7)
Annex B (informative) Magnetic stripe abrasivity
Annex C (informative) Static magnetic characteristics
Annex D (informative) Reed-Solomon code references