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An ultra-reliable board identification system

By D. Daniel Sheu

Abstract

[[abstract]]The need for a reliable automated board identification system for a new manufacturing line was identified. The manufacturing processes are highly acidic, highly basic, and high-temperature processes. Assessment of 14 sensing approaches showed that only the hole-coding option would survive the harsh environments. Based on this option, a voting map algorithm and a special sensor array were designed to minimize space while maximizing reading reliability. A method to measure reading reliability was developed. Design of experiments for the identification system was conducted to model the relationship among the design parameters. The model provides a means to determine the design parameters for generic hole-coded identification systems to achieve certain reliability levels. In an extensive testing period, the reader read more than 60000 times without error. The reader also passed stress tests such as reading a warped or vibrating board[[fileno]]2020421010017[[department]]工工

Topics: Part Identification, Circuit Board Identification System, Automatic Identification System, Board Sensing, [[classification]]26
Publisher: Society of Manufacturing Engineers
Year: 2010
DOI identifier: 10.1016/0278-6125(96)82334-X
OAI identifier: oai:nthur.lib.nthu.edu.tw:987654321/46713
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