ISO/IEC 11695-3:2008
(Main)Identification cards — Optical memory cards — Holographic recording method — Part 3: Optical properties and characteristics
Identification cards — Optical memory cards — Holographic recording method — Part 3: Optical properties and characteristics
ISO/IEC 11695 is one of a series of International Standards defining the parameters for optical memory cards and the use of such cards for the storage and interchange of digital data. ISO/IEC 11695 is specific to optical memory cards using the holographic recording method. ISO/IEC 11695-3:2008 specifies the optical properties and characteristics of optical memory cards using the holographic recording method.
Cartes d'identification — Cartes à mémoire optique — Méthode d'enregistrement holographique — Partie 3: Propriétés et caractéristiques optiques
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Standards Content (Sample)
INTERNATIONAL ISO/IEC
STANDARD 11695-3
First edition
2008-11-01
Identification cards — Optical memory
cards — Holographic recording
method —
Part 3:
Optical properties and characteristics
Cartes d'identification — Cartes à mémoire optique — Méthode
d'enregistrement holographique —
Partie 3: Propriétés et caractéristiques optiques
Reference number
ISO/IEC 11695-3:2008(E)
©
ISO/IEC 2008
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ISO/IEC 11695-3:2008(E)
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ISO/IEC 11695-3:2008(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions. 1
4 Optical properties and characteristics . 2
4.1 Surface roughness/scattering . 2
4.2 Reflectivity of blank accessible optical area . 2
4.3 Spatial resolution. 3
Annex A (normative) Reading/writing test conditions . 4
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ISO/IEC 11695-3:2008(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees
established by the respective organization to deal with particular fields of technical activity. ISO and IEC
technical committees collaborate in fields of mutual interest. Other international organizations, governmental
and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information
technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of the joint technical committee is to prepare International Standards. Draft International
Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as
an International Standard requires approval by at least 75 % of the national bodies casting a vote.
ISO/IEC 11695-3 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 17, Cards and personal identification.
ISO/IEC 11695 consists of the following parts, under the general title Identification cards — Optical memory
cards — Holographic recording method:
⎯ Part 1: Physical characteristics
⎯ Part 2: Dimensions and location of accessible optical area
⎯ Part 3: Optical properties and characteristics
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ISO/IEC 11695-3:2008(E)
Introduction
ISO/IEC 11695 is one of a series of International Standards defining the parameters for optical memory cards
and the use of such cards for the storage and interchange of digital data.
These International Standards recognize the existence of different methods for recording and reading
information on optical memory cards, the characteristics of which are specific to the recording method
employed. In general, these different recording methods will not be compatible with each other. Therefore,
these International Standards are structured to accommodate the inclusion of existing and future recording
methods in a consistent manner.
ISO/IEC 11695 is specific to optical memory cards using the holographic recording method. Characteristics
which apply to other specific recording methods are found in separate International Standards.
This part of ISO/IEC 11695 defines the optical properties and characteristics and the extent of compliance
with, addition to, and/or deviation from the relevant base document, ISO/IEC 11693.
The International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC)
draw attention to the fact that it is claimed that compliance with this document may involve the use of patents.
The ISO and IEC take no position concerning the evidence, validity and scope of these patent rights.
The holders of these patent rights have assured the ISO and IEC that they are willing to negotiate licenses
under reasonable and non-discriminatory terms and conditions with applicants throughout the world. In this
respect, the Statements of the holders of these patent rights are registered with the ISO and IEC. Information
may be obtained from:
Certego GmbH
Lichtenbergstrasse 8
85748 Garching
Germany
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights other than those identified above. ISO and IEC shall not be held responsible for identifying any or all
such patent rights.
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INTERNATIONAL STANDARD ISO/IEC 11695-3:2008(E)
Identification cards — Optical memory cards — Holographic
recording method —
Part 3:
Optical properties and characteristics
1 Scope
This part of ISO/IEC 11695 specifies the optical properties and characteristics of optical memory cards using
the holographic recording method.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO/IEC 11695-1, Identification cards — Optical memory cards — Holographic recording method — Part 1:
Physical characteristics
ISO/IEC 11695-2, Identification cards — Optical memory cards — Holographic recording method — Part 2:
Dimensions and location of accessible optical area
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO/IEC 11695-1, ISO/IEC 11695-2 and
the following apply.
3.1
reflectivity
ratio of reflected light to the light incident at a specified wavelength measured at a normal incidence on the
holographic memory card
NOTE Reflectivity is generally expressed as a percentage.
3.2
scattering
deviation of reflected radiation from the angle predicted by the law of reflection
NOTE Reflections that undergo scattering are called diffuse reflections. Diffuse reflections are measured by means of
an i
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