关键词: 自动检测, 在线检测, 金丝球焊检测, 机器视觉系统

Abstract: The principle and implementation method of wire bonding automatic on-line inspection technology are discussed in detail, the factors affecting the inspection accuracy are analyzed, and the corresponding solution methods are proposed. Based on the machine vision system, an on-line automatic method of gold wire ball bonding was proposed. Through the digital processing of the two-dimensional image formed by the bonding wire, online Inspecting the correctness of bonding wire, the completeness of the bonding ball, the diameter of the ball, defects such as bonding wire flying-off, offset and collapse of the wire was realized. This technology uses machine automatic inspection instead of manual inspection, which improves the inspection efficiency about eighty percent and the inspection accuracy reached perfection.

Key words: automaticinspection, on-lineinspection, goldwirebondinginspection, machinevisionsystems