PCB Test

More intensive PCB, higher bus speeds and analog RF circuits, etc. have put to the test with unprecedented challenges , this environment functional test requires careful design and thoughtful testing methods and the proper tools in order to provide credible test results , adequate preparation and careful screening tool will be able to achieve a multiplier effect .
Significance

Functional test is becoming more and more important , however, the online tests, and the PCB board design technology development test range will be limited. Although the programming software environment has made great progress, help to overcome some of these difficulties , but if you want to follow your successful implementation of functional testing test strategy , there are many issues that need to be done to avoid and more thorough preparation . This paper describes the successful implementation of functional testing should consider a number of factors and coping methods and strategies . Electronic functional test has its ups and downs of history, the late 1960s it was the first automated test method , with the late 1970s online testing technology, functional testing seems destined to give way to determine the increasingly quick and easy programming and online test . Today, however, the trend has changed. Online testing is currently a growing problem , namely detection methods . According to the U.S. NEMI ( National Electronics Manufacturing Organization ) analysis can detect the end of 2003 nodes essentially zero, if unable to be detected , then the online test almost useless.

Function test is increasingly more for the production line process, even used for the middle of the test process , but the system and method of the previous embodiment is almost completely different tests . Today, in most cases, the test system is faster and more compact structure , function test for verifying the overall functionality of the product , maintenance, calibration information , provides data to ISO9000 and to ensure high-risk products , such as medical equipment, quality , etc. are indispensable.

Sophie Deng
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Wonderful PCB Limited
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1.Booth: L32,Expo Electronic 2013,Apr.10-12th in CROCUS EXPO,Moscow,Russia
2.Booth: 11J36, HK Global sources  Apr.12-15th, 2013 Asia World-Expo, Hong Kong
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