发明申请
US20080151005A1 INKJET PRINTHEAD BOARD AND INKJET PRINTHEAD USING SAME 有权
INKJET PRINTHEAD BOARD和INKJET PRINTHEAD使用相同

INKJET PRINTHEAD BOARD AND INKJET PRINTHEAD USING SAME
摘要:
An inkjet printhead board and inkjet printhead is provided having a reliable storage element which allows for print without causing damages to an interlayer insulation film and protection film upon printing data unique to the printhead and is free from the restriction in arrangement position. For this purpose, a printing device board uses therein an information storage element formed common in material and process to electro-thermal converter element, the resistance value of which is changed to enable information storage so that information can be read out of the information storage element.
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