Fluid design for recirculation within high packing density inkjet print heads
A print head has an ink source to supply and receive ink, a first channel connected to the ink source to receive ink from the ink source, a second channel connected to the ink source to return ink tothe ink source, and a manifold structure disposed between and connected to the two channels to receiv...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A print head has an ink source to supply and receive ink, a first channel connected to the ink source to receive ink from the ink source, a second channel connected to the ink source to return ink tothe ink source, and a manifold structure disposed between and connected to the two channels to receive ink from the first channel and return ink to the second channel. A method of operating a print head includes providing ink from an ink source at a first pressure to at least one finger manifold through a first channel; routing the ink through an inlet port of at least one single jet connected tothe at least one finger manifold; moving the ink through the at least one single jet to an outlet port of the at least one single jet connected to the at least one finger manifold; routing the ink from the outlet port of the at least one single jet back into the at least one finger manifold; directing the ink from the at least one finger manifold to a second channel; and returning ink through thesecond channel to the ink s |
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