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UV

ȭ UV ̿ܿ UV ֿ 뵵 ǥ ̴.
ݵü , LCD, PDP ڰ ǰ ŷڼ ǰ ̱ , 0.1 ũ ϳ ϰ ؾ Ѵ.
׷ ̷ ǰ̶ ص ǰ ǥ鿡 dust, , ̻ ߻ ⸧ е Ҽ Ǵ 찡 ִ. ̷ Ҽ ǥ鿡 Ǿ ְų ̾(layer) ̷ , ý ڰ ϰų, ȸθ μϴ ȸΰ Ʈų, μ ȸο Subsmtrate̿ ڰ Ǿ ҷ Ƿ, ÷ ̽ , ǰ, öƽ ǥ ݵ ؾ Ѵ.

1. UV
1). : UV 15-22mm Ͽ , κ ܰ 15-19mm Ͽ . Ϲ 200nm ϹǷ ϴ Ư ߿ϴ.

2). : ο ֽ 1 ִ.
뷮 ŸԿ ټ ٸ, ǥ UV ũ ֽ 2 Ȥ 3 Ƽ ڸ ϰ ϰ, Լ ̱ ֽ-ٷ-Ʈ, Ȥ Ʈ Լ Ѵ.
**.¿ κп κ ̸ ذŸ Ȥ ߱(Arc Length) θ.

3). ߱ : κ ߱ ̴.
п ϴ 184.9nm 253.7 nm ´.
184.9nm 154.7kcal/mol , 253.7 nm 113 kcal/mol ´. 154.7kcal/mol κ ⹰ C-C, C-O, C-H, C-N 84.3 kcal/mol. 76.4 kcal/mol, 97.6 kcal/mol, 63.6 kcal/mol Ƿ ̷ ⹰ 154.7 kcal/mol C-C, C-O, C-H .

,, C-C, C-O, C-H ڿ COOH, C-OH ģⰡ ó ǥ鿡 µ, ó ǥ Ҽ ģ ٲ .
̷ ̿ ⹫ Ȥ ǥ ̴.

4). gas : ο Ƹ, ũ, ︮, ũ - Torr Ѵ. з¿ , , uv ȿ, ȭ ӵ ޶. ع̷ , , , uv ȿ, ȭ ӵ ޶.

5). ̽ : ̽ κ Ⱑ ʴ Ǿ , ݼ ̽ ִ.
** ̽ ȸ, ũⰡ , ִ Ȧ忡 ̽ ޶.

6). : ⸦ ΰ ִ ü ̴.
Ϲ Ǹ Ȥ Ǿ ִ.

7). : 1, U, Wڷ Ǿ ִ.
/ ʱ⿡ 1 , 1 Ƿ U Ȥ W . UV Uڳ, W Ÿ ־Ƿ UV ִ.


 


 

2. uv /
, LCD Glass, PET film ڰ ǥ鿡 dust, , ̻ ߻ ⸧ е Ҽ Ǵ 찡 ְ, ̷ Ҽ ǥ鿡 Ǿ ְų ̾(layer) ̷ ִٰص ڰ ϰų, ȸθ Ʈ ȴ. μ ȸο Subsmtrate̿ ڸ ҷ ǹǷ, ÷ ̽ , ǰ, öƽ ʸ ǥ ݵ ؾ Ѵ.

, κ ǥ ٺ ǥ Ƿ Wetability ڴ. ҷ ̾ ҷ ߸ų ҷ ǹǷ ǥ ģ(hydrophilic) ٲپ ʿ䰡 ִ.

UV 253.7nm 184.9nm ´.
184.9nm 154.7kcal/mol Ƿ Ҽ ؿ ſ ȿ̴.
184.9nm 154.7kcal/mol , 253.7 nm 113 kcal/mol ִ κ 迭 Ҽ C-C, C-O, C-H, C-N Ǿ ִµ ̷ 迭 Ҽ 84.3 kcal/mol. 76.4 kcal/mol, 97.6 kcal/mol, 63.6 kcal/mol ̴. 154.7kcal/mol Ҽ Ƿ ̷ ⹰ 154.7 kcal/mol C-C, C-O, C-H C H ǰ, C H ҿ Ͽ CO2 H2O Ǿ ν, Ҽ Ǿ .

C-C + hv ----> 2C *
C-O + hv ----> C + 1/2O2 *
C-H + hv ----> C + 1/2H2 *
C + O2 ----> CO2 *
H2 + 1/2O2 ----> H2O

O2 + hv ----> O(1D)
O* + hv + H2O -----> 2OH- + O2

(surface reforming) κ ģ̹Ƿ ũ PR ö Wetability ڴ. ҷ ̾ ҷ ߸ ǹǷ ǥ ģ(hydrophilic) ٲپ ʿ䰡 ִ.

184.9nm 154.7kcal/mol Ƿ κ ⹰ C-C, C-O, C-H, C-N 84.3 kcal/mol. 76.4 kcal/mol, 97.6 kcal/mol, 63.6 kcal/mol Ƿ 154.7 kcal/mol ϸ C-C, C-O, C-H ų ģ -COOH, -OHĮ Ǿ Ҽ ǥ ģ ٲ .

ȭ պ .

ȭ
ȭ

kcal/mol
ȭ

kcal/mol
C-C,
84.3
O-H
109.3
C-O
76.4
C=C
140.5
Si-O
105.4
C-F
115.2
Si-C,
69.8
C-Cl
76.9
C-H
97.6
C=O
190.0
C-N
63.6
O=O
117.5
O-O
32.9
H-F
134.9
H-Cl
101.9
N-H
91.9
253.7nm
113 kcal/mol
184.9nm
154.7kcal/mol