Inkjet printing device
An inkjet printing device and inkjet head technology, applied in printing and other directions, can solve the problems of peeling off the waterproof layer on the surface of the nozzle and rising ink cost, and achieve the effects of inhibiting peeling, inhibiting corrosion, and inhibiting ink oxidation.
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[0065] Example
[0066] As an example, using the ink jet printing apparatus 100 of the present invention, the nozzle surface 14 of the ink jet head 10 was left to stand for 7 days with the printing stopped state in an environment of temperature of 45° C. and humidity of 90%. observation. In the embodiment, the state in which the nozzle surface 14 is immersed in the protective liquid 27 in the cover 21 is maintained during the stop of printing of the inkjet head 10 .
[0067] On the other hand, as a comparative example, using the same mechanism as that of the inkjet printing apparatus 100 of the present invention, under the same environment, the nozzle surface 14 of the inkjet head 10 was left to stand for 7 days with the printing stopped. . In the comparative example, the protection mechanism 20 was not used, and the state in which the nozzle surface 14 was exposed to the atmosphere was maintained during the stop of printing of the inkjet head 10 .
[0068] In addition, i...
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