发明名称 |
Printhead with field oxide as thermal barrier in chip |
摘要 |
In an active ink jet printhead chip (13) a layer of boron-phosphorus doped silicate glass (BPSG) immediately underneath the heaters followed by a silicon dioxide layer. This insulates the substrate during the fire pulse of its heater, yet allows thermal energy to diffuse into the silicon during the time between firing pulses.
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申请公布号 |
US5774148(A) |
申请公布日期 |
1998.06.30 |
申请号 |
US19950545126 |
申请日期 |
1995.10.19 |
申请人 |
LEXMARK INTERNATIONAL, INC. |
发明人 |
CORNELL, ROBERT WILSON;STEWARD, LAWRENCE RUSSELL |
分类号 |
B41J2/175;B41J2/05;B41J2/14;(IPC1-7):B41J2/05 |
主分类号 |
B41J2/175 |
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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