ISO/DIS 18933

Imaging materials -- Magnetic tape -- Care and handling practices for extended usage

Matériaux pour le traitement de l'image -- Bande magnétique -- Précautions et pratiques de manutention pour usage prolongé

Standards Content (sample)

DRAFT INTERNATIONAL STANDARD ISO/DIS 18933
ISO/TC 42 Secretariat: ANSI
Voting begins on: Voting terminates on:
2003-03-06 2003-08-06

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION • МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ • ORGANISATION INTERNATIONALE DE NORMALISATION

Imaging materials — Magnetic tape — Care and handling
practices for extended usage

Matériaux pour l'image — Bandes magnétiques — Pratiques de soins et de manutention pour usage étendu

ICS 35.220.22

In accordance with the provisions of Council Resolution 15/1993 this document is circulated in

the English language only.

Conformément aux dispositions de la Résolution du Conseil 15/1993, ce document est distribué

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ISO Central Secretariat work of editing and text composition will be undertaken at publication

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WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS.
© International Organization for Standardization, 2003
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ISO/DIS 18933
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ISO/DIS 18933
Page
Contents

Foreword................................................................................................................................................................................................vii

Introduction.........................................................................................................................................................................................viii

1 Scope ........................................................................................................................................................................................1

2 Normative reference .......................................................................................................................................................... 1

3 Terms and definitions.......................................................................................................................................................2

4 Tape pack integrity.............................................................................................................................................................6

4.1 General.....................................................................................................................................................................................6

4.2 Common pack problems .................................................................................................................................................6

4.2.1 Pack deformation................................................................................................................................................................6

4.2.2 Flange pack............................................................................................................................................................................6

4.2.3 Pack slippage........................................................................................................................................................................6

4.2.4 Pack penetration or abrasion........................................................................................................................................6

4.2.5 Edge compression..............................................................................................................................................................6

4.3 Pack tension.......................................................................................................................................................................... 6

4.3.1 General.....................................................................................................................................................................................6

4.3.2 Tension control.................................................................................................................................................................... 7

4.3.3 Winding tension...................................................................................................................................................................7

4.4 Tape winding speed...........................................................................................................................................................7

4.4.1 General.....................................................................................................................................................................................7

4.4.2 Archival/library winding...................................................................................................................................................7

4.4.3 Winding loose packs.........................................................................................................................................................7

4.5 Tape, hub and reel design ..............................................................................................................................................7

4.5.1 General.....................................................................................................................................................................................7

4.5.2 Backcoat surface of the tape.........................................................................................................................................7

4.5.3 Splices......................................................................................................................................................................................7

4.5.4 Hub diameter .........................................................................................................................................................................7

4.5.5 Flangeless hubs ..................................................................................................................................................................7

4.5.6 Reel flanges with openings (windows) .....................................................................................................................8

4.5.7 Cassettes and cartridges................................................................................................................................................8

5 Contamination ......................................................................................................................................................................9

5.1 General.....................................................................................................................................................................................9

5.2 Particulate contaminants..............................................................................................................................................10

5.3 Gaseous contaminants ..................................................................................................................................................10

5.4 Organic contaminants....................................................................................................................................................10

5.4.1 General...................................................................................................................................................................................10

5.4.2 Human transferred contaminants .............................................................................................................................10

5.4.3 Consumables ......................................................................................................................................................................11

5.4.4 Biological contaminants................................................................................................................................................11

5.5 Protective cases ................................................................................................................................................................11

5.6 Field usage ...........................................................................................................................................................................11

6 Handling techniques........................................................................................................................................................11

6.1 General...................................................................................................................................................................................11

6.2 Vertical/horizontal tape orientation..........................................................................................................................11

6.2.1 Tape position ......................................................................................................................................................................11

6.2.2 Reel to reel tapes...............................................................................................................................................................11

6.2.3 Cassettes and cartridges..............................................................................................................................................11

6.2.4 Transportation....................................................................................................................................................................11

6.2.5 Removal from protective cases..................................................................................................................................12

6.3 Handling access ................................................................................................................................................................12

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6.3.1 Staff .........................................................................................................................................................................................12

6.3.2 Physical contact ................................................................................................................................................................12

6.3.3 Frequency of access .......................................................................................................................................................12

6.4 Use of force..........................................................................................................................................................................12

6.4.1 General...................................................................................................................................................................................12

6.4.2 Loading force ......................................................................................................................................................................12

6.4.3 Releasing force ..................................................................................................................................................................12

6.4.4 Flange compression ........................................................................................................................................................12

6.5 Tape condition....................................................................................................................................................................13

6.5.1 General...................................................................................................................................................................................13

6.5.2 Open reels ............................................................................................................................................................................13

6.5.3 Cassettes and cartridges..............................................................................................................................................13

6.5.4 Tape position on hub ......................................................................................................................................................13

6.5.5 Robotic systems................................................................................................................................................................13

6.6 General handling...............................................................................................................................................................13

6.6.1 General...................................................................................................................................................................................13

6.6.2 Labelling................................................................................................................................................................................13

6.6.3 Print -through .......................................................................................................................................................................13

6.6.4 Erasur e...................................................................................................................................................................................13

7 Environment ........................................................................................................................................................................14

7.1 General...................................................................................................................................................................................14

7.2 Temperature and humidity ...........................................................................................................................................14

7.2.1 Environmental condition ...............................................................................................................................................14

7.2.2 Life expectancy..................................................................................................................................................................14

7.2.3 Water avoidance ................................................................................................................................................................14

7.2.4 Fungus ...................................................................................................................................................................................14

7.3 Air quality..............................................................................................................................................................................14

7.3.1 General...................................................................................................................................................................................14

7.3.2 Air flow...................................................................................................................................................................................15

7.3.3 Clean room specifications ............................................................................................................................................15

7.4 Magnetic fields ...................................................................................................................................................................15

7.4.1 General...................................................................................................................................................................................15

7.4.2 Levels .....................................................................................................................................................................................15

7.4.3 Separation distance.........................................................................................................................................................15

7.4.4 Print -through .......................................................................................................................................................................15

7.5 Light exposure...................................................................................................................................................................15

7.6 Acclimatization...................................................................................................................................................................15

7.6.1 General...................................................................................................................................................................................15

7.6.2 Common problems...........................................................................................................................................................16

7.6.3 Dimensional changes......................................................................................................................................................16

7.6.4 Condensation......................................................................................................................................................................16

7.7 Marginal environments ...................................................................................................................................................16

7.7.1 General...................................................................................................................................................................................16

7.7.2 Shipping and receiving areas......................................................................................................................................16

7.7.3 Field environments...........................................................................................................................................................16

7.7.4 Robotic environments ....................................................................................................................................................16

8 Inspection .............................................................................................................................................................................17

8.1 General...................................................................................................................................................................................17

8.2 7-step physical inspection............................................................................................................................................17

9 Cleaning and maintenance ...........................................................................................................................................18

9.1 General...................................................................................................................................................................................18

9.2 Tape cleaning indicators ...............................................................................................................................................18

9.3 Tape cleaning frequency ...............................................................................................................................................19

9.4 Debris removal from tape ..............................................................................................................................................19

9.4.1 Cleaning procedure..........................................................................................................................................................19

9.4.2 Tape burnishing .................................................................................................................................................................19

9.4.3 Tape cleaning equipment ..............................................................................................................................................19

9.5 Adhesive contaminants on tape ................................................................................................................................19

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9.5.1 Adhesive tapes...................................................................................................................................................................19

9.5.2 Tape adhesion....................................................................................................................................................................19

9.6 Biological contaminants on tape ...............................................................................................................................20

9.7 Record/playback machine maintenance................................................................................................................20

9.8 Transports for master tapes ........................................................................................................................................20

9.9 Manufacturers recommendations .............................................................................................................................20

9.10 Cleaning cassettes...........................................................................................................................................................20

9.11 Hand cleaning.....................................................................................................................................................................20

10 Transportation....................................................................................................................................................................20

10.1 General...................................................................................................................................................................................20

10.2 Tape preparation before transport............................................................................................................................21

10.2.1 Security tape wrap............................................................................................................................................................21

10.2.2 Protective cases ................................................................................................................................................................21

10.2.3 Flangeless hubs ................................................................................................................................................................21

10.2.4 Orientation............................................................................................................................................................................21

10.2.5 Cartons ...................................................................................................................................................................................21

10.3 Transport methods...........................................................................................................................................................21

10.3.1 By hand..................................................................................................................................................................................21

10.3.2 Carts ........................................................................................................................................................................................21

10.3.3 Conveyor belts ...................................................................................................................................................................21

10.3.4 Freighting..............................................................................................................................................................................21

10.3.5 Shipping containers.........................................................................................................................................................22

10.4 General exposure..............................................................................................................................................................22

10.4.1 Time out of storage..........................................................................................................................................................22

10.4.2 Restricted access ..............................................................................................................................................................22

10.5 External fields and security scanning of material.............................................................................................22

10.5.1 Shielding...............................................................................................................................................................................22

10.5.2 X-rays......................................................................................................................................................................................22

10.5.3 Electrically generated magnetic fields....................................................................................................................22

10.5.4 Magnetic security wands...............................................................................................................................................22

10.5.5 Biological irradiation .......................................................................................................................................................22

11 Disasters ...............................................................................................................................................................................23

11.1 General...................................................................................................................................................................................23

11.2 Water .......................................................................................................................................................................................23

11.2.1 General...................................................................................................................................................................................23

11.2.2 Effects of water ..................................................................................................................................................................23

11.2.3 Effects of moisture...........................................................................................................................................................23

11.3 Fire ...........................................................................................................................................................................................23

11.4 Dry debris .............................................................................................................................................................................23

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