Drop generator for long array ink jet printer

Details Drop generator for long array ink jet printer Drop generator for long array ink jet printer

B - Operations, Transporting

41

J

B41J 2/025 (2006.01) B41J 2/03 (2006.01) B41J 2/04 (2006.01)

Patent

CA 2292239

A drop generator for use in an ink jet printer is capable of stimulating long ink jet arrays at high operating frequencies. The drop generator comprises a substantially uniform cross section for a central portion and two end sections with different cross sections. The end sections have features to adjust a resonant frequency of the end sections to match that of the central portion. In particular, these features comprise cuts on a top of the drop generator. The drop generator utilizes multi-lobed radial bending modes for vibration of an array of orifices, and the vibrational modes are driven by at least two rows of transducers which extend substantially the length of the drop generator. The transducers are placed consistent with a lobe structure of an operational radial bending mode.

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