Software for Finding SMT IC Solder Defects
Software for Displaying Solder Defects on Fine Pitch LSIs and BGAs Graphically to the Very Pin
This software is used for finding SMD IC solder defects and for creating programs fully automatically. Capacitive probes which are applied to ICs are used for automatic evaluation. A selective amplifier board, 16 channels per board and a maximum 16 boards which are mounted into the fixture, amplify the measured signal selectively. The spring-loaded and shielded probe is applied to the IC from above. When all IC inputs have been set to ground, you can trigger pin for pin with a signal of 8 kHz below the threshold voltage. With the probe applied from above and the selective amplifier, capacitance is measured in the fFarad range. A solder defect, even on SMT-ICs with Fine Pitch pins is clearly found in this way. Such a task is programmed automatically in a very short time, even for complicated boards with more than 100 ICs. The defective solder pin is automatically displayed on screen. With this method you can also test connectors for missing pins.
* All prices are valid in Germany and the European Community and are without taxes, transport and packing. IE & OE – Specifications subject to change without prior notice.
