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PRINTHEAD ASSEMBLY WITH SYMMETRICAL TRI-LAYER OUTER SHELL LAMINATE
PRINTHEAD ASSEMBLY WITH SYMMETRICAL TRI-LAYER OUTER SHELL LAMINATE
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机译:具有对称三层外层层压板的打印头组件
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摘要
A printhead assembly for an inkjet printer comprises an outer shell of a hot rolled tri-layer laminate of two different metals; a core element within the shell, the core element defining four separate ink reservoirs; a printhead constructed using MEMS techniques to provide ink nozzles, chambers and actuators; and a micro molding for distributing ink from the ink reservoirs to the printhead. The tri-layer shell is configured such that the effective coefficient of thermal expansion of the shell as a whole is substantially equal to that of silicon, and the outer layers of the tri-layer laminate are symmetrically disposed around a central layer thereof.
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