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2024年3月12日发(作者：javascript设计模式百度)
专利内容由知识产权出版社提供
专利名称：Drop-on-demand ink jet print head
发明人：Roy, Joy,Moore, John S.
申请号：EP90311977.4
申请日：19901101
公开号：EP0426473A3
公开日：19920108
摘要：An extremely compact ink jet print head (10) has an array of closely spaced
nozzles (14) which are suppplied from densely packed ink pressure chambers (22) by way
of offset channels (18). The ink supply inlets leading to the pressure chambers (22) and
the offset channels (18) are designed to provide uniform operating characteristices to
the ink jet nozzles (14) of the array. To enhance the packing density of the pressure
chambers (22), the ink supply channels leading to the pressure chambers and offset
channels are positioned in planes between the pressure chambers and nozzles. An
optional ink purging pathway (50) is provided for purging bubbles and other
contaminants from the chamber side of the nozzles (14). The ink jet print head may be
assembled from plural plates with features in all but the nozzle defining plate being
formed by photo-patterning and etching processes without requiring machining or other
metal working.
申请人：TEKTRONIX INC.
地址：Howard Vollum Park 14150 S.W. Karl Braun Drive 500, Mail Stop 50-PAT
Beaverton Oregon 97077-0001 US
国籍：US
代理机构：Lawrence, Malcolm Graham
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