COMIC II in the Automotive Industry

H. R. Davidson

doi:10.1364/AO.8.001771

Applied Optics
Vol. 8,
Issue 9,
pp. 1771-1775
(1969)
•https://doi.org/10.1364/AO.8.001771

COMIC II in the Automotive Industry

H. R. Davidson

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H. R. Davidson, "COMIC II in the Automotive Industry," Appl. Opt. 8, 1771-1775 (1969)

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Abstract

The new Colorant Mixture Computer (COMIC II) has been designed as a tool for use in matching and controlling color production. It does not replace a trained colorist, but frees him of routine color matching problems. Some of the theory and practice of COMIC II applications in the automotive industry are described.

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Pigment identification	lb in batch	Corrected formula (%)	lb in corrected batch	lb to be added
77.000 Yellow	56.4000	2.92940	66.5550	10.1550
76.000 Red	5.2000	0.22907	5.2000	—
53.000 Black	7.8000	0.38692	8.79080	0.99080
163.000 White	1930.60	96.4550	2191.50	260.900
Total	2000.0		2272.0	272.04

Wavelength	Reflectance of standard	Reflectance of batch
400	0.368	0.377
420	0.516	0.519
440	0.554	0.555
460	0.574	0.574
480	0.581	0.580
500	0.598	0.595
520	0.625	0.622
540	0.651	0.647
560	0.669	0.667
580	0.686	0.685
600	0.695	0.693
620	0.696	0.694
640	0.697	0.694
660	0.696	0.693
680	0.697	0.693
700	0.697	0.693
X	0.64654	0.64503
Y	0.65867	0.65630
Z	0.66460	0.66501
x	0.32823	0.32804
y	0.33438	0.33377
Color difference		0.36697

Pigment identification	Formula (%)
77.000 Yellow	3.32280
76.000 Red	0.23772
53.000 Black	0.35859
163.000 White	96.0900
Cost/100 lb		27.48
Color difference in illuminant A		0.14529

Pigment color	Actual formula	COMIC II formula
Black	5.0	4.99
Yellow	26.0	24.56
Red	46.2	48.84
White	22.8	21.61
Black	2.6	2.56
Yellow	21.8	20.17
Red	71.5	73.89
White	4.1	3.38
Black	0.2	0.12
Yellow	4.2	4.48
Red	1.1	1.42
White	94.5	93.98
Black	7.6	7.01
Yellow	15.2	15.86
Blue	22.0	27.09
White	55.2	50.05
Black	0.1	0.099
Yellow	3.6	3.30
Blue	1.3	1.07
White	95.0	95.53
Black	2.4	3.05
Yellow	50.1	48.09
Blue	35.1	36.85
White	12.4	12.01

Pigment identification	lb in batch	Corrected formula (%)	lb in corrected batch	lb to be added
77.000 Yellow	56.4000	2.9200	58.4000	2.0000
76.000 Red	5.2000	0.26000	5.2000	—
53.000 Black	7.8000	0.39000	7.8000	—
163.000 White	1930.60	96.430	1930.60	—
Total	2000.0		2002.0	2.0000