Leadframe inspection presents a wide variety of feature sizes and geometry, requiring metrology systems that can be flexibly programmed for fast and accurate three-dimensional measurements. Die-to-pad placement/alignment, lead positions/sizes, lead tilt and twist angles, pitch, lead widths, lead-coplanarity, and dam-bar dimensions all represent critical factors that must be tightly controlled. These application requirements generally need stable floor-stand metrology platforms with medium to large stage sizes, fast stage travel, and either fast auto-focus or laser options for high-speed inspection.

Leadframes

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VIEW systems are manufactured by Quality Vision International in Rochester, New York.