Test & Measurement


Fixtureless roving probe system for higher volumes

24 August 2005 Test & Measurement

The Diagnosys AutoPoint II is a fixtureless, gridless flying probe with a unique power off impedance analysis measurement system. This product is capable of detecting manufacturing and in-service faults as standard, and the measurement system is not limited to a single technique.

The AutoPoint is fast, accurate and requires very little maintenance thanks to the use of an advanced linear motion system. Closed loop positioning, high-resolution optics and sophisticated self-generation software all add to the appeal of AutoPoint for a diverse range of uses including: first-off verification; pre-design maturity; low volume high product mix; manufacturing defects; volume repair.

The AutoPoint requires minimal set-up skills whether using the extensive CAD import utilities or manually-positioning the probes to the required test position whilst viewing a high-resolution colour camera image of the point of contact on-screen.

Using the TestVue32 software, component signatures are analysed non-destructively on unpowered boards. The technique tests the actual pin junctions of active devices as well as values of inductance, resistance and capacitance. It is therefore able to detect leakage and bonding problems at the device as well as shorts and opens, components of incorrect polarity and those of the wrong value.

As a moving probe-based system, AutoPoint is able to test boards with design features that would be impossible to test utilising existing bed-of-nails technology. No constraints are made on component lead spacing or off grid designs and this flexibility makes a fixtureless approach the ideal solution for screening and testing low volume boards.

A test area of 530 x 530 mm is available, with an overall PCB size of 600 x 600 mm allowable.



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