KS A ISO 18923-2007 Imaging materials－Polyester-base magnetic tape－Storage practices《成像材料 聚酯载体磁带 保管规则》.pdf

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1、 KS A ISO 18923KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS A ISO 18923 : 2007 2007 11 30 http:/www.kats.go.krKS A ISO 18923： 2007 ： () ( ) () ( ) : (http:/www.standard.go.kr) ： ：2007 11 30 2007-1136 ： ： ( 02-509-7278) (http:/www.kats.go.kr ). 7 5 , . KS A ISO 18923 : 2007 Imaging materialsPolyester-

2、base magnetic tapeStorage practices 2000 1 ISO 18923, Imaging materials Polyester-base magnetic tapeStorage practices . 1 , , , . , , , . 3.18 3.7 , . , . . ( C ) . 2 . . , . ( ) . NFPA 75 1995, Electronic computer/Data processing equipment1)NFPA 90A 1996, Installation of air conditioning and ventil

3、ating systems1)NFPA 232 1995, Protection of records1)ASHRAE, Equipment. 19882)1) Available from the National Fire Protection Association, 1 Batterymarch Park, P.O. Box 9101, Quincy, MA 02269-9101, USA 2) Available from the American Society of Heating, Refrigeration and Air Conditioning Engineers, 17

4、91 Tullie Circle, NE Atlanta, GA 30329, USAKS A ISO 18923： 2007 2 ASHRAE, Handbook of fundamentals. 19882)ASHRAE, Systems. 19872)3 . 3.1 (aperture) (window) , (wind) (flange) 3.2 (base) 3.2.1 (cellulose-acetate base) 3.2.2 (polyester base) ( ), 2.6- - ( ) 3.3 (cartridge) (3.4) 3.4 (cassette) 3.5 (co

5、ntainer) , , (carton) , , , . , , , . 3.6 (dew point) KS A ISO 18923： 2007 3 . 3.7 (extended-term storage conditions) 50 3.8 (fire-protective storage) , , , 3.9 (flange) (3.21) 3.10 (heads out) 3.11 (hub) 3.12 (leader) 3.13 (leafing) (3.19) (3.29) 3.14 (life expectancy) LE 3.15 (loose pack) 3.16 (ma

6、gnetic filed intensity) KS A ISO 18923： 2007 4 3.17 (medium, ), (media, ) 3.18 (medium-term storage conditions) 10 3.19 (popped strand) (3.13) (3.29) 3.20 (print-through) 3.21 (reel) (spool) ( ) 3.22 (relative humidity) RH . 3.23 (shell) / 3.24 (slot) 3.25 (添接 ) (splice) . 3.26 (添接 ) (splicing tape)

7、 3.27 (spoking) KS A ISO 18923： 2007 5 3.28 (staging) / 3.29 (stepped pack) (3.13) (3.19) 3.30 (storage environment) , , 3.31 (storage housing) , , . 3.32 (system) , , 3.33 (tape pack) 3.34 (tails out) 3.35 (wind) 3.36 (wind) 4 4.1 4.1.1 15 % RH 50% RH . 23 ( 1 ) , 32 . 8 . KS A ISO 18923： 2007 6 24

8、 2 , 10 % . , . 4.1.2 . . , ( D ) . . 1 . . 1 . 8 , 23 . , (7.1 ). 24 5 % , 2 . , ( E ). 1 c, e a, b% c, e a, d% 23 50 23 17 11 20 30 50 a . , 15 % . b24 10 % RH . c24 2 . d24 5 % RH . e8 . . . , , , , . , . . 2. ASHRAE . , 1 . . KS A ISO 18923： 2007 7 . , 0.3 m , 1 . , . . 4.2 , , , , , , , . 4.3 4

9、 kA/m( 1 ) , 800 A/m . ( ) . , . . , , , . 7.2 5 , , , , , , , 10. . , . , , . . 6 (enclosure) 6.1 6.1.1 , . , , . . , . KS A ISO 18923： 2007 8 6.1.2 . , . 6.2 6.2.1 . , . 6.2.2 , . . . . 6.3 , , . . , . . . 6.4 , , . , , , . . . , . . , , , . 6.5 . 7 KS A ISO 18923： 2007 9 20 50 % RH . , , . 7.1 ,

10、, . E . . . , . , . , . ( E ) . 7.2 , , . , . , . , . , . , , . . , , . , . , . “ ” . “ (echo effect)” . 7.3 . ( , ) . . KS A ISO 18923： 2007 10 , . , , . . 8 5. . . . . , . , , . (LIP) . . ( B ) . 9 . 100 000 (NFPA 90A ) , 4. . . , ( , , , , , ) . (NFPA 75 ). , . . ( , , , ) . . , . . , . , . , . . . . . 10 150 4 , KS A ISO 18923： 2007 11 . , , , , . , . , (NFPA 232 ) . , . . , ( 11 UL 72 150 ) . 1 4 , 65 , 85 % . , . 11 , , 11.1 ( ), , , . 11.2 5 . , . , . , . , , , , , . . , ( ) . , . . 11.3 , , . . . KS A ISO 18923： 2007 12 A ( ) TC 42 5 . ISO 18900 18999 , .