Fluid droplet ejection devices and methods
A technology of ejection device and ejection direction, applied in printing device, printing and other directions, can solve problems such as the degree of restriction increase, and achieve the effects of reducing inaccuracy, improving quality, and reducing speed error
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[0055] refer to figure 1 , the printhead 12 includes a plurality (for example, 128, 256 or more) of inkjet heads 10 ( figure 1 Only one is shown in ), the inkjet head 10 is driven by electrical drive pulses provided on signal lines 14 and 15 and distributed by an on-board control circuit 19 to control the actuation of the inkjet head 10 . An external controller 20 provides drive pulses on signal lines 14 and 15 and provides control data and logic power and timing on a further line 16 to on-board control circuitry 19 . Ink ejected by inkjet head 10 may be delivered to form one or more print lines on substrate 18 moving relative to print head 12 (eg, in the direction indicated by arrow 21 ). In some embodiments, the substrate 18 is moved past the stationary printhead 12 in a one-pass pattern. Alternatively, printhead 12 may also move across substrate 18 in a scanning pattern.
[0056] refer to Figure 2A (is a schematic vertical section), each inkjet head 10 includes an elon...
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