カラー画像処理による半導体モジュール放熱用ピストン配置検査

Abstract

Pistons made of copper are used for radiate heart from semiconductor bare chips mounted on a ceramic module board used for main frame computers. This paper proposes a method to inspect locations of pistons using color image processing. After a color image is transformed to a binary image through color space conversion, only pistons are extracted using the copper color. The logical data for color conversion and color extraction are set in a Look-Up-Table for real-time color processing. As the experimental result, reliable inspection was realized which had not been automated by gray-scaled or binary image processing.