1、BRITISH STANDARD BS ISO 3272-3:2001 Microfilming of technical drawing office documents Part 3: Aperture card for 35 mm microfilm ICS 37.080;01.100.99 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS ISO 3272-3:2001 This British Standard, having been prepared under the directi
2、on of the DISC Board, was published under the authority of the Standards Policy and Strategy Committee on 11 January 2002 BSI 11 January 2002 ISBN 0 580 38829 8 National foreword This British Standard reproduces verbatim ISO 3272-3:2001 and implements it as the UK national standard. It supersedes BS
3、 4210-3:1977 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee IDT/1, Document imaging applications, to subcommittee IDT/1/2, Application issues, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained o
4、n request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facilit
5、y of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligatio
6、ns. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pa
7、ges This document comprises a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication A
8、md. No. Date Comments Reference number ISO 3272-3:2001(E)INTERNATIONAL STANDARD ISO 3272-3 Second edition 2001-11-15 Microfilming of technical drawings and other drawing office documents Part 3: Aperture card for 35 mm microfilm Microfilmage des dessins techniques et autres documents de bureau dtude
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14、01(E) iiiContents Page Foreword.iv Introduction.v 1 Scope 1 2 Normative references1 3 Terms and definitions .1 4 Physical characteristics of the aperture card.2 4.1 Material .2 4.2 Aperture characteristics .2 4.3 Tape-type cards .2 4.4 Jacket-type cards 4 Annex A (informative) Aperture cards, corner
15、 and colours5 A.1 Corner shape and corner cut .5 A.2 Colour .5 A.3 Colour stripes 5 Bibliography6 ISO 3272-3:2001(E) iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International St
16、andards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also
17、 take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. The main task of technical committee
18、s is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possib
19、ility that some of the elements of this part of ISO 3272 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 3272-3 was prepared by Technical Committee ISO/TC 171, Document imaging applications, Subcommittee SC 2, Application issu
20、es. This second edition cancels and replaces the first edition (ISO 3272-3:1975), which has been technically revised. ISO 3272 consists of the following parts, under the general title Microfilming of technical drawings and other drawing office documents: Part 1: Operating procedures Part 2: Quality
21、criteria and control of 35 mm silver gelatin microfilms Part 3: Aperture card for 35 mm microfilm Part 4: Microfilming of drawings of special and exceptional elongated sizes Part 5: Test procedures for diazo duplicating of microfilm images in aperture cards Part 6: Quality criteria and control of sy
22、stems for enlargements from 35 mm microfilm Annex A of this part of ISO 3272 is for information only. ISO 3272-3:2001(E) vIntroduction Technical drawings and other drawing office documents may be recorded directly onto microfilm in camera cards or onto microfilm in roll form to be cut and mounted in
23、to aperture cards after processing. INTERNATIONAL STANDARD ISO 3272-3:2001(E)1Microfilming of technical drawings and other drawing office documents Part 3: Aperture card for 35 mm microfilm 1 Scope This part of ISO 3272 specifies the technical characteristics of tab size aperture cards, data process
24、ing type, in which the aperture does or does not contain raw microfilm. It covers tape-type and jacket-type aperture cards, including camera cards. This part of ISO 3272 does not apply to A6 aperture cards. 2 Normative references The following normative documents contain provisions which, through re
25、ference in this text, constitute provisions of this part of ISO 3272. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of ISO 3272 are encouraged to investigate the possibility of applying the m
26、ost recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 1681:1973, Information processing Unpunched paper cards
27、Specification ISO 6196-1:1993, Micrographics Vocabulary Part 1: General terms ISO 6196-2:1993, Micrographics Vocabulary Part 2: Image positions and methods of recording ISO 6196-3:1997, Micrographics Vocabulary Part 3: Film processing ISO 6196-4:1998, Micrographics Vocabulary Part 4: Materials and p
28、ackaging ISO 6342:1993, Micrographics Aperture cards Methods of measuring thickness of buildup area ISO 6343:1981, Micrographics Unitized microfilm carrier (aperture card) Determination of adhesion of protection sheet to aperture adhesive 3 Terms and definitions For the purposes of this part of ISO
29、3272, the terms and definitions given in ISO 6196 (Parts 1 to 4) and the following apply. 3.1 face of card side of the card that faces the observer when the image in the microfilm is right reading ISO 3272-3:2001(E) 2 3.2 back of card side opposite of card 4 Physical characteristics of the aperture
30、card 4.1 Material Cards used for making aperture cards shall be unpunched paper cards that conform to ISO 1681. (See annex A.) 4.2 Aperture characteristics The dimensions and location of the aperture in the card shall be as indicated in Figure 1. Dimensions in millimetres Key 1 Aperture location NOT
31、E For squareness of the buildup location to the card, the distance from the datum lines of the inner and outer horizontal and vertical edges of the buildup location shall not vary by more than 0,04 mm. aDatum line. Figure 1 Card location and dimensions of rectangular hole in card 4.3 Tape-type cards
32、 This type of aperture card holds the film in place within the aperture by means of a pressure-sensitive adhesive tape which is attached to the film and to one side of the card. ISO 3272-3:2001(E) I SO 1002 All irthgs ersedevr 34.3.1 Location of adhesive tape The dimensions and location of the adhes
33、ive tape shall be as defined in Figure 2. For tape-face cards, used for odd number generation microfilm, adhesive tape shall be attached to the face of the card; and for tape-back cards, used for even number generation microfilm, the adhesive tape shall be attached to the back of the card. Dimension
34、s in millimetres Key 1 Adhesive tape area 2 Overall tabulating card size aDatum line. Figure 2 The location and dimensions of the adhesive tape for tape-type construction 4.3.2 Adhesion of protection sheet to adhesive tape The adhesive on the tape shall be protected, before the microfilm is mounted,
35、 by a translucent sheet of release paper. Values for the maximum and minimum adhesion of the protection sheet, to facilitate the removal of the protection sheet manually or automatically, shall comply with the requirements of ISO 6343. NOTE As bond strength of the adhesive increases with contact tim
36、e, so the ease of removal of the protection sheet decreases. ISO 3272-3:2001(E) 4 ISO 1002 Allir thgser sedevr4.3.3 Buildup thickness The difference between the thickness of the aperture card alone and the total thickness of the card plus the adhesive tape after manufacture is the buildup thickness.
37、 The buildup thickness, measured in accordance with ISO 6342, shall not be greater than 5 m. 4.4 Jacket-type cards 4.4.1 General This type of aperture card holds the film in place within the aperture by means of two support sheets attached to either side of the card, which form a pocket enclosing th
38、e aperture into which the film is placed. The support sheets shall be made of thin, optically clear polyester film. 4.4.2 Location of support sheets The dimensions and location of the support sheets shall be as indicated in Figure 3. Dimensions in millimetres NOTE For squareness of the buildup locat
39、ion to the card, the distance from the datum lines of the inner and outer horizontal and vertical edges of the buildup location shall not vary by more than 0,04 mm. aDatum line. Figure 3 Location and dimensions of support sheet for jacket-type construction ISO 3272-3:2001(E) I SO 1002 All irthgs ers
40、edevr 5Annex A (informative) Aperture cards, corner and colours A.1 Corner shape and corner cut Cards should have three round corners and one cut corner. It is preferred that, when viewed from the face of the card, the cut is top left, but top right may be used. A.2 Colour It is recommended that dif
41、ferent generations of microform be identified by differently coloured or coloured striped cards. A.3 Colour stripes Colour stripes may be of any width and placed on the card in any position. It is normal to use one colour. Most frequently used is a stripe along the top of the card which extends 6,5
42、mm down from the top edge. The colour stripe should be printed on the card and not produce any significant buildup on the card. ISO 3272-3:2001(E) 6 ISO 1002 Allir thgser sedevrBibliography 1 ISO 3272-1:1983, Microfilming of technical drawings and other drawing office documents Part 1: Operating pro
43、cedures 2 ISO 3272-2:1994, Microfilming of technical drawings and other drawing office documents Part 2: Quality criteria and control of 35 mm silver gelatin microfilms BS ISO 3272-3:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body
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