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Flying probe

Article Id: WHEBN0014326527
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Title: Flying probe  
Author: World Heritage Encyclopedia
Language: English
Subject: Analog signature analysis, PCOLA-SOQ, Test engineer, Nondestructive testing, Printed circuit board
Collection: Electronic Test Equipment, Hardware Testing, Nondestructive Testing
Publisher: World Heritage Encyclopedia

Flying probe

Flying probe test systems are often used for only testing basic production, prototypes, and boards that present accessibility problems. Flying probe testing uses electro-mechanically controlled probes to access components on printed circuit assemblies (PCAs). Commonly used for test of analog components, analog signature analysis, and short/open circuits. They can be classified as in-circuit test (ICT) systems or as Manufacturing Defects Analyzers (MDAs). They provide an alternative to the bed-of-nails technique for contacting the components on printed circuit boards. The precision movement can probe points on PLCCs, SOICs, PGAs, SSOPs, QFPs and others, without any expensive fixturing or programming required.


  • Uses 1
  • Benefits 2
  • Accuracy of a Robotic Mechanism and considerations 3
  • References 4



  • Lower cost than Bed Of Nails, because no fixturing required
  • Fast time to first test, because of fast development cycle

Accuracy of a Robotic Mechanism and considerations

Whenever you consider contacting small test points, unfilled via copper, and/or SMT device leads, consideration must be made to the accuracy of the robotic system that is deployed in the flying probe tester that is available. Understanding the real specifications can often be misunderstood by new users of such robotic systems.


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