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Figure 3 The Memjet printhead contains 70,400 nozzles in 10 rows (brown stripe in Figure a).
It shows an electron microscope image of a single nozzle (Figure b).
The small size of the nozzles results in very small (1-2 picolitre) paint drops,
approximately 14 micron drop diameter on paper, effectively achieving the highest print
resolution the human eye can see.
Printing with this type of precision requires many technical details to be solved including
printhead cooling, using special fast drying inks, feeding paper accurately, controlling the
operation of the unit, etc. A unique property of Memjet printing is the special print processor
that uses a custom hardware print pipeline processing engine to render images at a very high
speed. The level of technical standards are reflected by the fact that Silverbrooks Research hold
2500 patents related to Memjet Technology along with another 2000 pending.
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