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On Semiconductor is
developing a 47 megapixel CCD device designed for flat panel display inspection
Continuation of CCD However, it has also been emphasised that the Sony CCD discontinuation should not lead to panic. ‘Sony wanted to create this transition period, smoothly adapted to the rhythm of industry, so each sector of industry could switch to this technology in a comfortable way, with no rush and no stress for them,’ commented Destruels. Tere are several camera and sensor suppliers
that have committed to providing long-term support for CCD technology, not least Point Grey, Teledyne Dalsa, On Semiconductor, e2v, and Fairchild Semiconductor. And, the need for new CCD technology will
still be apparent, driven by applications such as life sciences and high-end inspection. ‘We will continue to see demand for CCD technology... [in] applications where high image quality is required, like microscopy applications, and where longer exposure times are important [with the] low dark current that CCDs offer,’ said Michael Gibbons, director of sales and marketing at Point Grey. ‘CCDs continue to be sold…
to invest in the development of new products and technologies in this area,’ he added. ‘CCD- based cameras will remain available for
customers who prefer the performance available from that platform.’ Being a proven, long-standing technology
is also a factor that will help drive demand for CCDs in coming years, according to Gibbons of Point Grey. ‘Te perception of the industry of CCD technology to have the best imaging quality may continue to drive demand in the long run and it will take time to shiſt that perception,’ he said. To meet this demand, not only are existing
The imaging
for very critical applications, such as end of line inspection of flat panel displays,’ added Ringoot from On Semiconductor. ‘Tat is why On Semiconductor is developing a new high resolution (47 megapixel) CCD device designed for this use – end customers have clearly indicated that the image quality available from high resolution CMOS devices is still not adequate for this application.’ Ringoot said that On Semiconductor
manufactures its CCDs in a facility that is suitably sized to make the most of the projected demand for CCDs going forward. ‘We continue
trends in the machine vision market were clear last year, and really are unrelated to discontinuance announcements
sensor manufacturers like On Semiconductor developing new CCD products, but new players are entering the machine vision market, such as Japanese company, Sharp. ‘Te new Sharp CCDs are comparable to Sony CCDs due to their similar high imaging quality and price performance,’ Gibbons added. ‘Point Grey is continuing to expand its camera portfolio with Sharp CCD sensors.’ Terefore, as users are faced with a variety of products
based on both CCD and CMOS technology, CCD still remains a viable option, at least for the short and medium term. ‘What matters most isn’t the underlying technology being used, but the performance provided by the image sensor and its match to the specific end application,’ Ringoot commented. ‘Machine vision users should work to
understand the true needs of their application, and then map those against products to find the best solution. While that will oſten result
On Semiconductor
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