Liquid ejection method

Details Liquid ejection method Liquid ejection method

B - Operations, Transporting

41

J

B41J 2/05 (2006.01) B41J 2/14 (2006.01)

Patent

CA 2256928

A liquid ejection method includes a step of preparing a liquid ejection head including an electrothermal transducer element for generating thermal energy contributable to ejection of liquid, an ejection outlet for ejecting liquid, the ejection outlet being provided at a position opposed to the electrothermal transducer element, a liquid flow path in fluid communication with the ejection outlet to supply the liquid to the ejection outlet and having the electrothermal transducer element on its bottom side; a step of applying the thermal energy to the liquid to cause state change to the liquid to create a bubble, wherein the liquid is ejected through the ejection outlet by a pressure of the bubble; wherein the bubble is first in communication with the ambience in a process of reduction of the volume of the bubble after the bubble reaches a maximum volume.

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