Aperio nets second TDI arrays patent for fluorescence imaging
The U.S. Patent and Trademark Office has issued Aperio Technologies patent No. 7,457,446 for the use of time delay integration (TDI) arrays in microscope slide scanners.

The patent, “Fully Automatic Rapid Microscope Slide Scanner,”- includes specific claims for the use of TDI arrays in slide scanning systems, including the use of multiple TDI arrays in conjunction with a prism to split an optical signal into multiple color channels, according to the Vista, Calif.-based company.

“This is the second patent we have received in the last 60 days that covers the use of TDI arrays for whole slide imaging,” said Dirk Soenksen, CEO of Aperio. “Time delay integration is ideally suited for low light level applications such as fluorescence, and we’re pleased that the ‘446 patent includes specific claims regarding the use of TDI arrays for fluorescence imaging.”

Aperio said its patent portfolio encompasses the elements that comprise a digital pathology system, including digital slide creation, data management, advanced visualization and image analysis.
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