[ ġ] ̱ ǥ ݵŴ 20 ں
(17) ó ̽ – Ʈ ڸ Ź ݵ, ƩƼ ݵ
ġ ϴ ּ.
츮 Ϳ ġ(private value) űϴ. ġ μ ġ . ȸ縦 ؼ 帧 ؼ ȸ翡 ΰ մϴ.
Ϸ ƮƮ 鼭 ֽĽüǥ پ ֽ ְ ýϴ. ̰ ſ ũٴ ߰. κ ֽĵ ְ ̰ 50 100ۼƮ Ǿϴ. ϴ. Ư ʾҴ 忡, 簡ġ ʾ ٵ ũ ϰ ־ϱ.
ȸ ġ Ѵٸ ̿ ֽϴ. ڵ ȸ縦 Ⱦؼ ְ ġ ݱ ߸ٸ ̻ ̶ Ȯ ֽ ֽϴ. ȸ縦 ϸ ġ 캸 ְ ġ 80ۼƮ ̴ϱ ϴ. ֽ ̴. ֽϴ.
尡ġ ϳ?
ġ ϴ ֽ ϴ Դϴ. 츮 ֽ ΰ ִ κ б ̳ EPS ֽ ϱ Դϴ. ȸ縦 ϸ ܱ ҿ ʹ 缭 ˴ϴ. 켱 ϴ Ұ ȸ 帧 Ű Դϴ. ȸ簡 ٽ ǰ ִ, Ұ ִ ͵.
ΰ żϱ ٶ?
ݱ 尡ġ 50~60ۼƮ ٰ ߴµ, װ ֽ ٴ̶ ϱ Դϴ. 츮 츮 ߴ ȸ ġ ŷ å 12Ʈ ֽϴ. ᱹ 50ۼƮ ̻ ̴ Դϴ. װ ʹ ΰŵ. 50ۼƮ Ⱓ DZ ʹ ū Դϴ.
尡ġ ؾ մϴ. ´ ٸ ݰ Ǿ մϴ. ƽ 5 ǰ ް ־ ġ ߴٴ Դϴ. 츮 ġ 60~65ۼƮ Ǵ ڸ ϰ ֽϴ.
ȸ ְ ?
쿡 ü ̵մϴ. ϸ ٸ . ̷ δ ȸ ְ ϴµ, ִ ƴմϴ. ȸ簡 ̷ο о߰ ƴϰų ƮƮ ȯ ҷŰ ϱ 쵵 ֽϴ. װ ٷ ư Դϴ.
Ʈ ٸ ġ ݵŴ麸 ξ ȣϴ ϴ. ³?
ڴ 鿡 ̻ ۿ ϴ ε װ ӿ ִ ϱ Դϴ. ȿ̱ ӿ ᱹ ֽϴ. 츮 ȸ縦 ٴ ٽ ö ֽϴ. 츮 ġ ϱ ġ ִ ־. ġ ֿ ֿ ϰ, ġֿ ġֿ . ٽ ö װ ڿ ־ ū ̶ մϴ. 忡 ٴϰ Ǵϱ.
ó ̽ 'ǿ'
ǿ ݵü ּ ü̴. ݵü ϴ ֽ(Ashing)̶ ϰ ̶ Ǵ ּ(Asher, ű).
ǿ̴ 1990 Ϻ PSC(öý), Ϻҿ Ǿ ּ(Asher) ġ ϴ Ͽ. PSCκ 90 10Ⱓ üϿ Ḧ Ͽ PSCǰ ϱ Ͽ ุ Ŀ ü ϰ ִ. 90 Ĺ Zڿ ǰ ϰ ڸ ̷ ȴ.
ۻ Ի PSC YAC μǾ Ϻ YAC LCD ߰ Ͽ ΰ ִ. ǿ̴ ݵü ּŸ ϰ YSC LCD ּ ġ, ϸ °踦 ϰ ִ.
ǿ̴ 200mmſ ū ΰ Ÿ ߾. 200mm ǰ ʾ鼭 300mm ȯ ־. 300mm ־ ü ϰ ִ. 200mmо߿ ϰ ִ.
ּŽ ƴ δ. ٸ 忡 ū ƴϱ ڰ ϰ ִ Ȳ̴. ּ üδ 簡 ̸ 뺧, ڰ ִ.
ǿܷ Ʈǰ Ư ϰ ִ. ǰ ʾ ϴ 찡 Ÿ ȹ ǰ ްϴ ִ. ǿ 300mm ߷ Ʈ Ȳ ְ Ѻƾ Ѵ.
ĿƼöũ(APTC) ϰ ݵü 翡 ϰų ߿ ִ.
ڴ ̿ ǿ̴ ̿ ū Ѵٰ Ͽµ ݵü ŷڼ ߿ ̱ ̶ Ѵ. ߿ 5 ð ҿǴµ ŷڼ ؼ 2 ð ʿϱ ̴. ֽ , ȭ, , Ʈ Ͽ찡 ʿϱ 빮 ϱ ̶ Ѵ.
ǿ̴ Z ٴ ǰ ִ. ǿ̴ Z 糪 ȹε 300mmڰ Z ַ ̷ 븸, ߱ ڰ Ŭ ̶ ϰ ִ. 2007 ؿܽ Ȯ븦 ּŽ 1 ǥ ϰ ִ.
3б⸻ ä 11.7% ҰϿ 濵 ϰ ִ ̸ 200 Ѵ ݼ ڻ ϰ ִٴ ̴. 翡 ־ λ , ּ ۳ (200) ̻ ȹϰ 缺 ּ 20%̻ ȹ̴.
ؾ ǿ̴ ƴ忡 پ ְ ڿ ִٴ ؾ Ѵ.
̰DZ(bluemoon@viptooza.com)