منابع مشابه
Printed circuit board inspection
This paper provides a general overview of immediate and long-term aims of the printed circuit board inspection project of The Robotics Institute. Its purpose is to highlight some of the significant issues specific to printed circuit board inspection and to provide a discussion of our basic thesis that machine inspection should be coupled with machine diagnosis of the causes of observed printed ...
متن کاملPrinted Circuit Board Deconstruction Techniques
The primary purpose of printed circuit board (PCB) reverse engineering is to determine electronic system or subsystem functionality by analyzing how components are interconnected. We performed a series of experiments using both inexpensive home-based solutions and state-of-the-art technologies with a goal of removing exterior coatings and accessing individual PCB layers. This paper presents our...
متن کاملPrinted Circuit Board Layout Time Estimation
System design complexity is growing rapidly. As a result, current development costs can be staggering and are constantly increasing. As designers produce ever larger and more complex systems, it is becoming increasingly difficult to estimate how much time it will take to design and verify these designs. To compound this problem, system design cost estimation still does not have a quantitative a...
متن کاملData mining of printed-circuit board defects
This paper discusses an industrial case study in which data mining has been applied to solve a quality engineering problem in electronics assembly. During the assembly process, solder balls occur underneath some components of printed circuit boards. The goal is to identify the cause of solder defects in a circuit board using a data mining approach. Statistical process control and design of expe...
متن کاملWavelet - Based Printed Circuit Board Inspection System
An automated visual printed circuit board (PCB) inspection system proposed in this paper is designed specifically to detect various types of defects occurred during circuit printing process in manufactory. Two-dimensional HAAR wavelet transform is incorporated in the PCB inspection algorithm of the inspection system. During the inspection, two type of images are required; reference and tested P...
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ژورنال
عنوان ژورنال: Circuit Technology
سال: 1987
ISSN: 1884-118X,0914-8299
DOI: 10.5104/jiep1986.2.232