印刷回路基板 製造工程의 廢 Back Board 및 金 回收
Recovery of Waste Back Board and Gold from the Process of Printed Circuit Board
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초록
최근, 인쇄회로기판 제조공정으로부터 유가자원을 회수하고자 하는 연구가 활발히 진행되고 있다. 인쇄회로기판의 드릴가공 받침대로 사용한 후 폐기되는 백보드 소재활용과 소형화, 고 신뢰성화에 따른 유가금속인 금 회수가 필수적이다. 특히 이동통신용 전자부품의 핵심소재로 사용되는 인쇄회로기판부품에는 최소 0.03 m에서부터 최대 50 m 두께로 금이 도금되어 있다. 금, 원자재, 약품 값 폭등으로 생산현장의 유가자원 활용이 중요한 과제로 대두되면서 유가자원 활용을 위한 경쟁이 가속화되는 추세다. 본고에서는 인쇄회로기판 제조공정에서 발생하는 폐백보드 및 금의 회수에 대한 기술동향을 제공함으로써 유가자원 활용 산업발전에 기여하고자 하였다.
Abstract
Recently, we have investigated the recovery of resources from the waste material of manufacturing printed circuit board. As printed circuit board or chip has become light, small, high reliability, it is necessary to reuse and recover resources from them. Especially, the printed circuit board that has been used for important mobile electronic parts are plated with min.0.03 m to max.50 m. As increasing the cost of gold, raw material, chemicals, payments and waste material, it has been accelerated the competition for reuse and recovery. But, it is insufficiency of technician and equipments for the recovery of effective resource. In this paper, as analyzing the technical trend of gold recovery and waste back board from the manufacturing process of printed circuit board, it may be effective of recycling, further more it may be contributed to develop the valuable resources.
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