1. SamWoo Metal 2008013448 Choi Su Min

2. Index PlatingCoatingEtc

3. Plating Zinc Plating ( 아연도금 ) ZincZinc coatings prevent oxidation of the protected metal by forming a barrier and by acting as a sacrificial anode if this barrier is damaged.oxidation Hard Chromium Plating ( 경질크롬도금 ) Hard Chromium plating is a finishing treatment utilizing the electrolytic deposition of chromium.electrolytic depositionchromium

4. Nickel electroplating ( 니켈전기도금 ) Nickel electroplating is a technique of electroplating a thin layer of nickel onto a metal object. electroplatingnickel metal Electroless nickel plating ( 무전해 니켈도금 ) Electroless nickel plating (EN) is an auto- catalytic chemical technique used to deposit a layer of nickel-phosphorus or nickel-boron alloy on a solid workpiece, such as metal or plastic.nickelphosphorusboron alloymetal plastic

5. Gold platingGold plating and silver plating Gold platingGold plating and silver plating is a method of depositing a thin layer of gold on the surface of glass or metal, most often copper.copper CadmiumCadmium plating CadmiumCadmium plating is under scrutiny because of the environmental toxicity of the cadmium metal.environmental toxicity

6. Coating Spin coating( 스핀 코팅 ) Spin coating is a procedure used to apply uniform thin films to flat substrates.thin films substrates optical coating ( 광학 코팅 ) optical coating is one or more thin layers of material deposited on an optical component such as a lens or mirror, which alters the way in which the optic reflects and transmits light.thin layerslensmirror reflectstransmits

7. etc Parkerizing( 인산염피막처리 ) Parkerizing is a method of protecting a steel surface from corrosion and increasing its resistance to wear through the application of an electrochemical phosphate conversion coating.steel corrosion phosphate conversion coating