Liquid ejecting head and liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorsKazuhiko HARA, Hiroyuki KOBAYASHI, Kinya OZAWA, Takashi KOASE
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Abstract
A liquid ejecting head which includes a nozzle forming face onto which a nozzle portion from which liquid is ejected is formed to be open, in which a liquid repellent film including fluorine is formed on the nozzle forming face through a base film interposed therebetween, and a total thickness of the base film is 670 [nm] or less. In addition, a signal intensity of a molecular weight 301 in the liquid repellent film obtained by using a time-of-flight secondary ion mass analysis method is 0.00005 or more and 0.00020 or less, and is 0.00005 or more and 0.00015 or less, preferably.
Claims8
A liquid ejecting head which includes a nozzle forming face onto which a nozzle portion from which liquid is ejected is formed to be open,
- wherein a liquid repellent film including fluorine is formed on the nozzle forming face through a base film interposed therebetween, and
- wherein a total thickness of the base film is 670 [nm] or less.
Dependencies are inferred from the claim text.