한국표면공학회지 (19권1호 3-12)
Influences of Plating Conditions on Magnetic Properties of Co-P Thin Films by Electroless Plating
무전해도금에 의한 코발트- 인 박막의 자성에 미치는 도금조건의 영향
최병익;여운관;이주성;
Choi, Byoung-Ik;Yeo, Woon-Kwan;Lee, Ju-Seong;
한양대학교 공과대학 공업화학과;홍익공업전문대학 금속공학과;
Dept. of Industrial Chemistry, College of Engineering, Hanyang University;Dept. of Metallurgical Engineering, Hongik Technical College;
Influences of pH, temperature, and composition of bath on the deposition rate and the magnetic properties were studied for two kinds of electroless Co-P plating bath. The results obtained are as follows. Ammonia alkaline citrate bath was more stable than ammonia alkaline tartrate bath, and the film deposited from citrate bath gave a higher squareness. The magnetic properties of the film obtained from citrate bath greatly depended upon pH. Under the optimum conditions, the film deposited from citrate bath had coercive force of 330 Oe and squareness of 0.67. However the films deposited from tartrate bath had coercive force of 300 Oe and squareness of 0.58.
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