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US 4,368,476 AGranted
Ink jet recording head
AssigneeCanon Kabushiki Kaisha
InventorsHaruo Uehara, Shigeyuki Matsumoto, Yasushi Takatori, Tokuya Ohta, Yohji Matsufuji
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AssigneeCanon Kabushiki Kaisha
InventorsHaruo Uehara, Shigeyuki Matsumoto, Yasushi Takatori, Tokuya Ohta, Yohji Matsufuji
Estimating the term…
An ink jet recording head of the type in which ink droplets are jetted from the orifice of the head toward a recording material to effect recording on the surface of the recording material with said ink droplets, said recording head characterized in that at least the area surrounding the jet orifice is treated with a compound of general formula: R.Si.X.sub.3 wherein, R is a fluorine containing group selected from fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroalkaryl and fluoroalkylaryl, each having 1 to 20 carbon atoms, and the ratio in number of fluorines: other elements in said fluorine containing group being not less than 1:1, and X is halogen, a hydrolyzable group selected from alkoxy, alkyl and acyloxy each having 1 to 5 carbon atoms, or hyroxyl.
An ink jet recording head of the type in which ink droplets are jetted from the jet orifice of the head toward a recording material to effect recording on the surface of the recording material with said ink droplets, with said recording head in at least the area surrounding the jet orifice treated with a compound of general formula:
Dependencies are inferred from the claim text.