금 증착 적외선 반사판의 반사율 및 수명에 미치는 제조공정 변수의 영향

최용선; 이영기; 이유기; Yong-Sun Choi; Young-Ki Lee; You-Kee Lee

Korean Journal of Materials Research, Vol.28, No.4, 201-207, April, 2018

DOI10.3740/MRSK.2018.28.4.201 Export Citation

금 증착 적외선 반사판의 반사율 및 수명에 미치는 제조공정 변수의 영향

Influence of Manufacturing Conditions on the Reflectance and Life Time of the Gold Protected IR Mirror

최용선, 이영기¹, 이유기^{1, †}

위덕대학교 일반대학원 정보전자공학과
¹위덕대학교 그린에너지공학부

Yong-Sun Choi, Young-Ki Lee¹, and You-Kee Lee^{1, †}

Dept. of Information & Electronics Engineering, Uiduk University, Gyongju 38004, Korea
¹Division of Green Energy Engineering, Uiduk University, Gyongju 38004, Korea

E-mail:

Infrared(IR) heating has many advantages, such as energy efficiency, reduced heating time, cleanliness, equipment compactness, high drying rate and easy automation. These features of IR heating provide widely industrial applications, such as surface heat treatment in semiconductor fabrication, thermoforming of polymers, drying and disinfection of food products, heating to metal forging, and drying of wet materials. In this study, the characteristics of a protected gold mirror were examined by spectrophotometer and the lifetime of the coating layers were evaluated by a cross-cutting method and salt spray test. The effects of manufacturing conditions on the protected gold mirror were seen and remedies for these effects were noted in order to improve the properties of the protected gold mirror in the drying process. The reflectance and lifetime of the protected gold mirror was influenced by manufacturing conditions, such as surface roughness and forming conditions of the anti-oxide layer, the adhesion layer, the reflecting layer and the protection layer. The results of this study showed that the protected gold mirror manufactured using a buffing method for pre-treatment resulted in the most effective reflectance. In addition, Al2O3 coating on an Al substrate as an anti-oxide layer was more effective than the anodizing process in the test of reflectance. Furthermore, the protected gold mirror manufactured by layers forming of various materials resulted in the most effective reflectance and lifetime when coated with Al2O3 as the anti-oxide layer, coated Cr as the adhesion layer, and coated MgF2 as the protection layer.

Keywords:infrared heating;protected gold mirror;manufacturing conditions;reflectance;life time

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[1] Ding C, Khir R, Pan Z, Zhang J, Tu K, El-Mashad, Cereal Chem., 92, 441 (2005)

[2] Khir R, Pan Z, Thompson ZF, El-Sayed AS, Hartsough BR, El-Amir MS, J. Food Process. Preserv., 38, 430 (2014)

[3] Ranjan R, Irudayaraj J, Jun S, Dry. Technol., 20, 363 (2002)

[4] Shi J, Pan Z, McHugh TH, Wood D, Zhu Y, Avena-Bustillos RJ, Hirschberg E, J. Food Sci., 73, 259 (2008)

[5] Olsson EEM, Tragardh AC, Ahrne LM, J. Food Sci., 70, 484 (2005)

[6] Staack N, Ahrne L, Borch E, Knorr D, J. Food Eng., 86(1), 17 (2008)

[7] Schmidt FM, Le Maoult Y, Monteix S, J. Mater. Process. Technol., 143, 225 (2003)

[8] Chao S, Wang WH, Lee CC, Appl. Opt., 40, 2177 (2001)

[9] Bartek M, Correia JH, Wolffenbuttel RF, J. Micromech. Microeng., 9, 162 (1999)

[10] Abed SM, Al-Rashid SNT, Appl. Phys. Res., 5, 102 (2013)

[11] Fink Y, Winn JN, Fan SH, Chen CP, Michel J, Joannopoulos JD, Thoms EL, Science, 282(5394), 1679 (1998)

[12] Matar AT, Egypt. J. Solids, 31, 23 (2008)

[13] Bennett JM, Ashley EJ, Appl. Optics, 4, 221 (1965)

[14] Pei W, Liu H, Chinese Opt. Lett., 11, A10214 (2013)

[15] Quast AD, Zhang F, Linford MR, Patterson JE, Appl. Spectrosc., 65, 634 (2011)

[16] Mase K, Ishibashi S, Substrate Treatment Method for Portion to be Coated, US Patent, US 2008/0233838 A1 (2008).

[17] Lin SS, Zhou KS, Dai MJ, Hu F, Shi Q, Hou HJ, Wei CB, Li FQ, Tong X, Trans. Nonferrous Met. Soc. China., 25, 451 (2015)

[18] Matejicek J, Vilemova M, Musalek R, Sachr P, Hornik J, Coatings, 3, 108 (2013)

[19] Bendavid A, Martin PJ, Wieczorek L, Thin Solid Films, 354(1-2), 169 (1999)

[20] Chen L, Huang MCY, Mateus CFR, Chang-Hasnain CJ, Suzuki Y, Appl. Phys. Lett., 88, 031102 (2006)