1、KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 12 29 http:/www.kats.go.krKS X ISO 12645 KS X ISO 12645： 2006 (2011 )X ISO 12645： 2006 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 11 4 : 2006 12 29 ：2011 12 30 2011-0678 ： ： ( 02-509-72625) (http:/www.kats.go.kr). 10 5 , . ICS 37.100.01 KS X ISO
2、 12645： 2006(2011 ) Graphic technology Process control Certified reference material for opaque area calibration of transmission densitometers 1998 1 ISO 12645 Graphic technology Process control Certified reference material for opaque area calibration of transmission densitometers . 1., 3. , . 1. . A
3、 . 2. . . ISO 12645： 1998 2. Normative reference . 3. . 3.1 (control patch) 3.2 (core density) 3.3 (fringe width) 10 % 90 % 3.4 (opaque area percentage) P 3.5 (polarity of a transmission object) , . 3.6 (screen ruling), (screen frequency) f , 3.7 (screen width) 3.8 (tone value) ( ) A ： ISO 12645： 19
4、98 3.8 . % 100101101% 100)()(0s0t=DDDDA X ISO 12645： 2006 2 D0： Ds： Dt： . 3.9 (tone value) ( ) A ： ISO 12645： 1998 3.9 . % 100101101% 100)()(0s0t=DDDDA D0： Ds： Dt： . 4. ISO 12645： 1998 4. Requirements . A() ISO 12645： 1998 Annex A Test methods for opaque area percentage . B() ISO 12645： 1998 Annex B
5、 Calibration of a transmission densitometer in terms of opaque area percentage . C() ISO 12645： 1998 Annex C Opaque area percentage determination for a half-tone film . D() ISO 12645： 1998 Annex D Determination of quality parameters of half-tone dots on a colour seperation film . E() ISO 12645： 1998
6、 Annex E Bibliography . 3 KS X ISO 12645： 2006 , . 2002 . 1. . 2. (KS) (TC130) 2002 5 2002 9 (KS) . 3. 2002 8 . 4. . 5. . (4. ) , , , , . A() . B() . C() . D() . E() . - 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKS X ISO 12645： 2006 Graphic technologyProcess controlCertified reference material for opaque area calibration of transmission densitometers ICS 37.100.01 Korean Agency for Technology and Standards http:/www.kats.go.kr
