发明名称 |
Inkjet printhead heater with high surface area |
摘要 |
There is disclosed an ink jet printhead which comprises a plurality of nozzles and one or more heater elements corresponding to each nozzle. Each heater element is configured to heat a bubble forming liquid in the printhead to a temperature above its boiling point to form a gas bubble therein. The generation of the bubble causes the ejection of a drop of an ejectable liquid (such as ink) through respective corresponding nozzle, to effect printing. Each heater element has a surface area to volume ratio greater than 4:1. This configuration ensures that heat is quickly transferred from the elements to the ink for efficient operation and minimal heating of the printhead substrate.
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申请公布号 |
US7195338(B2) |
申请公布日期 |
2007.03.27 |
申请号 |
US20050080969 |
申请日期 |
2005.03.16 |
申请人 |
SILVERBROOK RESEARCH PTY LTD |
发明人 |
SILVERBROOK KIA |
分类号 |
B41J2/04;B41J2/14;B41J2/16 |
主分类号 |
B41J2/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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