Automatic Detection of PCB Defects

نویسندگان

  • Ashish Singh
  • Vimal H. Nayak
چکیده

A Printed Circuit Board (PCB) is everywhere from a small toy to a big electronic machine which we used in our daily life. PCB consists of circuit with various electronic components mounted on surface. PCB manufacturing consists of three stages in which inspection of PCB necessary to reduce the defects. First is printing, second is component fabrication over PCB surface and third is the component soldering. In this paper the automatic machine inspection using the different algorithm is discussed mainly subtraction algorithm. In this algorithm we will compare an Ideal image with the Test image in which the defect needs to be detected like missing hole, pin hole, underetch, short-circuit, mousebite, open-circuit etc.

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تاریخ انتشار 2014