7 10 ڴ ȸ縦 VƮ 췮ַ Ұߴ. (ٷΰ [VƮ 췮] , ݵü PCB ) ݵü μȸα(PCB) ȸ 弼 ߰, ̿ 繫 ǰ ִ Ϳ ָߴ. , ֽĽ 'ū' οݰ, ܱ ݵ ˸۷ιڻ, '1 ź' ˷ ̹ ƼƮʽ ȸ 5% ̻ ϰ ִ ߴ. ٸ, ֱ IT ߽ PC Ʈ ȯ Ȳ PCB ũ ߴ.
1987 PCB ü. 2 ڴ. PCB ü ȸθ ̴. ݵü, ױ, ܵ ںǰ ǰ ϴ Ѵ. Ϲ ǰ ÷ ű ڱ ϴ ٽ ǰ̴.
ݵü PCB . ַ ǰ ' PCB' 'Ű (Substrate) PCB'. PCB 43%, Ű PCB 54%. ֿ Z SK̴н.
2б 1623 ⺸ 5% þ. Ͱ 140 985000 22% 15% پ. PC ħü Ǹŷ ߴ.
ٸ, ǰ ϰ ִ . 10 ȭ ȼȣ " 3б װ 1734 165 ⺸ 40% 45% ð, 4б װ 1920 202 38% 19% " ߴ. "Ͽ ǰ 3б 4б 27% 31% 1б 13% 14%Ʈ 28%Ʈ " ̴.
ֽMRI м, 30%
ڰ ֽMRI м ŷµ 25 13 ü 515( 30%) ߴ.
߰ ϸ 繫 ̴. Һ ͼ ɼ .
ٸ ̼ 0 . ̴ 2б ȯ (ֱ 4б ջ) ְ(PER) 9.4 5 6.9躸 20% ̻ ŷǰ ִ ݿ .
ֽMRI ڿ ü ǽð м . MRI ͼ强 繫 Ӹ ƴ϶ Ӽ ִ ° ְ ر Բ ǴѴ. ֽMRI 25 ְ ̸ 췮 ̴. 5 ΰ · Ÿ.
( 0)