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3. 发明公开

EP1206354A1 SUBSTRATE HEATER CIRCUIT TOPOLOGY FOR INKJET PRINTHEAD 审中-公开
标题翻译：喷墨打印头的基板加热器电路拓扑
公开(公告)号：EP1206354A1
公开(公告)日：2002-05-22
申请号：EP00950473.9
申请日：2000-07-20
申请人： Lexmark International, Inc.
发明人： AHNE, Adam, Jude , OWENS, Brian, Keith
IPC分类号： B41J2/05
CPC分类号： B41J2/04506 , B41J2/04528 , B41J2/04541 , B41J2/04548 , B41J2/0458
摘要： An inkjet printhead having a plurality of ink discharge nozzles (12) that are served by respective ink supply conduits formed within a composite substrate includes ink discharge heaters (42) respective to each of the nozzles, one or more substrate heaters (38) for preheating an ink flow within the supply conduits and a plurality of resistors (52) for monitoring the printhead quality during manufacture. The ink discharge heaters are in circuit with a first energy source connection and a common ground connection. The quality monitoring resistors are in a series circuit with a second energy source connection and the common ground connection respective to the ink discharge heaters. At least one substrate heater is in circuit with a third energy source connection and the second energy source connection which, when the printhead is operatively connected for printing, is connected to ground.
摘要翻译：一种喷墨打印头，其具有由形成在复合基板内的相应墨水供应导管提供服务的多个墨水排放喷嘴（12），包括分别对应每个喷嘴的墨水排放加热器（42），一个或多个基板加热器（38），用于预热在供应管道内的墨流和用于在制造期间监控打印头质量的多个电阻器（52）。墨水排出加热器与第一能量源连接和公共接地连接在一起。质量监测电阻器处于串联电路中，其具有第二能量源连接和相应于墨水排出加热器的公共接地连接。至少一个衬底加热器与第三能量源连接和第二能量源连接处于电路中，当打印头可操作地连接用于打印时，第二能量源连接与地连接。

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