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    AIIM MS38-1995 Standard Recommended Practice for the Microrecording of Engineering Graphics - Computer-Output Microfilm《工程制图的缩微记录的推荐实施规程.计算机输出缩微胶片》.pdf

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    AIIM MS38-1995 Standard Recommended Practice for the Microrecording of Engineering Graphics - Computer-Output Microfilm《工程制图的缩微记录的推荐实施规程.计算机输出缩微胶片》.pdf

    1、ANSVAIIM MS38-1995 Standard Recommended Practice for the Microrecording of Engineering Graphics - Computer-Output Microfilm Standard AIIM Association for Information and Image Management 1100 Wayne Avenue, Suite 1100 Silver Spring, MD 2091 0-5603 Telephone 301/587-8202 AIIM Catalog No. MS38 O 1995 b

    2、y the Association for Information and Image Management 1100 Wayne Avenue, Suite 1100 USA Silver Spring, MD 20910-5603 Telephone: 301/587-8202 Fax: 301/587-2711 Printed in the United States of America 1SBN:O-89258- 100-X AIIM MS38 95 3032348 0500733 773 = ANSVAIIM MS38-1995 Standard for Information a

    3、nd Image Management - Standard Recommended Practice for the Microrecording of Engineering Graphics - Computer-Output Microfilm Association for Information and Image Management Abstract This document specifies the procedures, dimensions, and quality values governing the microrecording of engineer- in

    4、g documentation with a 35 mm Computer-Output Microfilmer (COM). This document includes microimage char- acteristics that are common to source-document production techniques as well as those that are COM created by microfilming the face of a cathode ray tube or by causing focused radiation to impinge

    5、 directly upon the microfilm using an electron beam or laser. This document does not include microrecording of cartographic and architectural material or other engineering graphics that also conform to requirements of ANSI Y14-Drawing Series. AIIM MS38 95 = 1012348 0500734 bOT = Contents Foreword i

    6、1 2 3 4 5 6 7 8 9 10 11 12 13 Scope and purpose 1 General requirements . 2 Quality 2 Document image on 35 mm microfilm . 3 Film advance (pull-down or frame pitch) 5 Normative references . 1 Definitions 2 Physical characteristics 2 Alphanumeric characters 5 Line weighdwidth 5 Matrix . 5 Image quality

    7、 6 Exposure and development 6 Annex Annex A .7 Figures 1 Examples of right reading and reverse reading. 2 2 Document image area and clearance on either side 3 3 Drawing image with suggested dimensions 4 4 Symmetrically located images 4 5 Centering lines . 4 6 Frame pitch 5 Tables 1 Drawing image ide

    8、ntifiers . 3 2 Line width . 4 A2 Microimage dimensions 9 Al Reduction of image area 8 Foreword (This foreword is not part of the Amencan National Standard for Information and Image Man- agement ANSVAIIM MS38-1995 - Standard Rec- ommended Practice for the Microrecording of Engi- neering Graphics - Co

    9、mputer-Output Microfilm.) During the discussions that led to the compilation of this document, the AIIM Engineering Committee C7 recognized that a new standard must address the inter- face between ANSUAIIM MS38-1986 and other existing standards, and must address the compatibility of film produced in

    10、 accordance with this document to film produced in accordance with other standards, such as ANSUAIIM MS32-1987. This standard is a revision of ANSUAIIM MS38- 1987, Microrecording of Engineering Graphics - Computer-Output Microfilm. The maximum dedicated image area specified herein has been derived f

    11、rom ANSI PH5.8- 1972 (R 1978) and IS0 3272f2: 1994. The maximurn document image graphics limit has been derived fmm the need to locate centered microimages within the physical limits of the microform and hm the prescribed dards. e user is finther advised that COM image represen- dards need not rigid

    12、ly adhere to the reduction size computed fbm existing ANSI and IS0 paper sizes. The microimage may be larger than the computed size but shaU not exceed the herein. This standard contains one annex, annex A, which is informative and not to be considered part of this stan- dard. Suggestions for improv

    13、ing this standard are welcome. They should be sent to the Chair, AIIM Standards Board, Association for Information and Image Man- agement, 1100 Wayne Avenue, Silver Spring, Mary- maigins for drawings specified in ANSI and IS0 Stan- tation Of fU-size dtawings specified in ANSI and IS0 Stan- mum micro

    14、image peripheral limitations specified land, 209 10-5603. At the time it approved this standard, the AIIM Stan- dards Board had the following members: Name of Representative Organization Represented Judy Kilpatrick, Chair Thomas C. Bagg Avi Bender Jewel Drass John Gale Bruce Holroyd Charles Plesums

    15、George Thoma Stephen Urban Herbert White Association for Information and Image Management National Institute of Standards and Technology GTENantage Solutions Bell igure 4 - Symmetrically located images 4gure 5 - Centering lines 4 7.4.3 Ia 0.015-0.020 - AIIM MS3 95 1012348 05007YO 903 Jsh!z 0.0006-0.

    16、0008 The width of the centering lines shall be 0.030 mm to 0.040 mm (0.0012 to 0.0016 inch). The lines shall not extend beyond 1 .O00 mm (0.0394 inch) into the docu- ment image area. See section A2, annex A as well as table 2. 0.030-0.040 7.5 Document image size 7.5.1 0.0012-0.0016 Engineering graph

    17、ic representations on each micro- film frame should be equivalent to single document t 4 b 9.2 Size The minimum height of the additional material (of “t“) is a safety factor to ensure full segment severing during the mountinghnserting operation. It also provides a safety factor should there be varia

    18、tions in cam- era film advance. A2 Centering of the document image is required to pro- vide adequate optical alignment for the reproduction of the microimage during card-to-card generation and the enlargement of the microimage in automatic image card printout devices. When mountinghnserting microima

    19、ge film in aperture cards, the center datum dimension from the right-hand edge of the card to the center of the document image area is computed to be 40.06 mm (1 S77 inches). A3 It should be noted that the emulsion (light-sensitive) side of the film laminate is never placed in contact with the adhes

    20、ive on the aperture card. The faceheverse appli- cation of the adhesive on the aperture card affords the inti- mate, optical contact of the emulsion (light-sensitive) sides of the microfilm. This is required to minimize the loss of image acuity in the duplicating process through successive generatio

    21、ns. It also precludes undesirable adhe- sion characteristics between the emulsion of the film lami- nate and the adhesive on the aperture card. A4 The preferred orientation agrees with that prescribed in MIL-M-9868D. It should be recognized that when the printing on the card is upright reading, to t

    22、he user, on placement in the reader, this image orientation may not produce an upright reading image on the screen of some microfilm readers. It may be necessary to change orienta- tion of the card, thus obscuring the printing, to achieve an upright reading image on the screen. AS This maximum film

    23、curl characteristic is required to preclude excessive distortion of the aperture card. Excessive distortion can cause malfunctions in EAM equipment and can jam automatic card feeding mechanisms in microform enlarging apparatuses. Excessive “pillowing,“ combined transverse and longitudinal curl, may

    24、also cause premature abrasive damage in manual aperture card systems. Roll film curl should be corrected in accordance with aperture card manufacturers rewind instructions. For example: a. Curl in film; emulsion side out. 1. Rewind film as shown in Diagram A. 2. Immediately rewind film as shown in D

    25、iagram B. When curl is minimal, film is ready for mounting. b. Curl in film; emulsion side in. 1. Rewind film as shown in Diagram A. 2. Immediately rewind film as shown in Diagram B. 3. When curl is minimal, rewind film as shown in Dia- 4. Immediately rewind film as shown in Diagram D. gram C. Film

    26、is now ready for mounting. NOTE: Microfilm with excessive curl may require stor- age for several days after rewinding before being suit- able for mounting. The tendency of microfilm to develop curl can be reduced to a minimum by using reels with large diameter cores. Roll film curl correction A6 Act

    27、ive use of microfilm in a systems application may result in damage to the film image. To provide pro- tection, one or more of the following may be necessary: - a legal retention of the records file, - a confidentiallsecurity file, - a catastrophic event file. These files, not used on a daily basis,

    28、should be main- tained in accordance with ANSI IT9.11, ANSI IT9.2, and PH1.53. A7 Because microfilm readers and reader-printers for engineering applications are designed to provide cover- age of the dedicated image area or diagonals and because a built-in margin is provided by paragraphs 7.1 and 7.2

    29、, it is not required that actual reduction of the graphic area by a COM device result in microimage sizes indicated in the following table Al: 7 AIIM MS38 95 = 1012348 0500743 bL2 Table Al: Reduction of image area Group I (not more than 460 x 610 mm) - Includes: ANSI Y14.1- DRAWING SHEET IMAGE 1:16

    30、REDUCTION mm) SIZE AND FORMAT MARGIN FULL SIZE mm) LESS MARGINS mm) “A“ .38 x .25 in. 216 x 279 196.8 x 266.3 12.3 x 16.6 “A“ .25 x .38 in. 279 x 216 266.3 x 196.8 16.6 x 12.3 “B“ .62 x .38 in. 432 x 279 400.6 x 259.7 25.04 x 16.2 “C“ SO x .75 in. 559 x 432 533.6 x 394.0 33.35 x 24.63 IS0 216 PAPER

    31、SIZES m0 5457 - DRAWING IMAGE 1:16 REDUCTION fmm) FULL SIZE mm) LESS MARGINS mm MARGIN sIzEsI A4 10 mm 210 x 297 190 x 277 11.88 x 17.31 A3 10 mm 297 x 420 277 x 400 17.31 x 25.00 A2 10 mm 420 x 594 400 x 574 25.00 x 35.87 B4 10 mm 250 x 353 230 x 333 14.38 x 20.81 B3 10 IILII1 353 x 500 333 x 480 2

    32、2.06 x 30.00 Group II (not less than 460 x 610 mm and not more than 610 x 915 mm) - Includes: ANSI Y14.1- DRAWING SHEET: Il! figures in parentheses are inch equivalents (rounded to the nearest ten-thousandth of an inch). A Minimum height 0.107 (0.0042 O. 163 (0.0064) 0.216 (0.0085) 0.325 (0.0128) Ta

    33、ble A2: Microimage dimensions B C D between successive Successive he between adjacent 0.046 (0.0018) 0.170 (0.0067) 0.020 (0.0008) 0.069 (0.0027) 0.249 (0.0098) 0.030 (0.0012) 0.094 (0.0037) 0.328 (0.0129) 0.041 (0.0016) 0.140 (0.0055) 0.483 (0.190) 0.061 (0.0024) Minimum space Minimumdistance lines

    34、 positiona characters a. Tolerance on dimension C (distance between uppermost edges of successive lines of characters) is +O-0.018 mm (+O.-0.0007 inch). This tolerance is noncumulative, that is, it is applied to the distance from the uppermost edge of any line to any and all successive lines. the di

    35、stance from the center of any character on a line to any and ail other characters on that line. b. Tolerance on dimension E is +0.010 mm (a.0004 inch). This tolerance is noncumulative, that is, it is applied to Tolerances may be tightened where the requirements of an application dictate. For example

    36、, an application anticipating that alphanumeric information be confined between lines of a forms overlay or the eventual use of OCR would require consideration 0 more stringent limits. 9 ANSUAIIM MS38-1995 O 1995 by the Association for Information and Image Management 1100 Wayne Avenue, Suite 100 Silver Spring, MD 20910-5603 USA Telephone: 30 1/587-8202 Fax: 301/587-2711 Printed in the United States of America ISBN:0-89258- 100-X - AIIM IS38 95 = 1012348 0500761 638 February 1995


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