This staggering efficiency is made potential by means of 189 sensors, often known as charge-coupled units (CCDs) that every measure 16 megapixels. The CCDs are packaged into models known as “rafts,” which make up the digicam’s focal aircraft. There are 21 rafts, plus 4 specialty rafts not used for imaging. Altogether, the focal aircraft accommodates 3.2 billion pixels. Every of the rafts, price as much as $3 million apiece, have been inserted right into a grid for the focal aircraft over six “nerve-wracking” months.
Fortunately, the three,200 megapixel photographs are the results of the sensors passing an necessary first take a look at. Whereas some higher-stakes phases of the undertaking are behind them, the workforce nonetheless has difficult work to do in constructing the remainder of the digicam. Remaining testing is anticipated to start out mid-2021.
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