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Nikon Metrology delivers software for advanced BGA analysis

Posted: 08 Oct 2014 ?? ?Print Version ?Bookmark and Share

Keywords:BGA analysis? C.Clear? X-ray inspection? Inspect-X 4.1?

Nikon Metrology unveils Inspect-X 4.1, the company's latest release of the acquisition and analysis software for its range of X-ray and CT systems. The new technology provides improved real-time imaging and advanced BGA analysis.

The C.Clear real-time image enhancements provide easy-to-interpret images for fast online defect recognition. The new image processing algorithms enable automated BGA analysis and reporting for stacked components and multi-layered boards. Nikon Metrology X-ray systems with Inspect-X 4.1 help to manage the complex electronics boards and components required in today's industry.

C.Clear comparison

C.Clear is the latest advancement in real-time X-ray inspection and provides crystal-clear X-ray images that would previously only could be realised by acquiring multiple images and advanced post-processing.

It intelligently adapts to changing X-ray conditions and sample positions, automatically adjusting image controls, contrast and brightness in order to provide the clearest and sharpest images to aid in defect recognition. Real-time enhancements and filters can be chosen and stored as user profiles to suit different sample types or individual operator preferences.

With C.Clear, operators can make fast and well-informed decisions, enabling defects to be detected correctly first time, especially for hard to detect faults within multi-tier BGA or complex bond wires. The C.Clear imaging engine enables manufacturers to increase inspection throughput and to reduce false call rates, leading to improved quality and efficiency.

The new BGA tool provides powerful image processing, fully automated analysis and detailed reporting to inspect complex packages such as Package on Package (PoP) or dual-layered boards.

The system features a user-friendly template creation GUI of each BGA package, detailing array dimensions, positions and geometries using a wizard or directly imported from file. The operator defines the position of templates using fiducial marker points to reference the BGA device. The tool automatically inspects each ball using advanced void analysis featuring single and total void percentage per ball. It also checks ball count, circularity, under- or oversizing, bridging and misalignment defects. The built-in reporting features overlay the X-ray images with colour-coded analysis for easy interpretation.

BGA analysis

The BGA tool is ideal for large batch inspection, as the automated process allows multiples of boards to be inspected in one routine. This automated process reduces errors that are normally attributed with manual inspection, such as operator fatigue, judgement bias and subjective interpretations. The BGA analysis tool enables manufacturers and assembly houses to automate their inspection processes, increasing throughput and productivity as well as reducing false call rates.

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