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이재학(Jai Hak Lee),구본재(Bon Jae Goo) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
To inspect the image sensor for smartphones, the image sensor and wire pin are mounted on the inspection jig and then an electrical signal is sent to evaluate the operation, resistance, and current to select good and bad products. When the wire pin is inserted into the inspection jig, elasticity and plasticity may occur in the wire pin depending on the angle. In this paper, static analysis and buckling analysis were performed for wire pins by increasing 0.05° from 1.8° to 2°. All static analysis came out safely, and it was confirmed that it was within the elastic section. Buckling analysis confirmed that the greater the angle, the greater the buckling safety factor and lateral displacement.
이재학(Lee Jai Hak) 표준인증안전학회 2011 표준인증안전학회지 Vol.1 No.2
The necessity for improvement of certification system has been increasing to strengthen the competitiveness and growth potential of enterprises in the stiff environment of international trade and technical competition. The unification of national compulsory KC mark and voluntary certification system with mutual recognition among overlapped certification systems are proposed in addition to database, roadmap and enhancement of conformity reliability of certification system.