发明名称 |
Monolithic printhead with self-aligned groove and relative manufacturing process |
摘要 |
A monolithic thermal ink jet printhead (40) comprising a groove (45), a plurality of chambers (74) and nozzles (56) is manufactured by means of steps of: (203, 205) partially etching the groove (45) by means of a "dry" process and a "wet" process; (210) depositing a plurality of sacrificial layers (54); (212) obtaining a plurality of casts (156); (216) completing the etching of the groove (45) by means of an electrochemical process; and (220) removing the casts (156) and the sacrificial layers (54) in such a way as to obtain a plurality of nozzles (56) and chambers (74).
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申请公布号 |
US2004119774(A1) |
申请公布日期 |
2004.06.24 |
申请号 |
US20030726516 |
申请日期 |
2003.12.04 |
申请人 |
TELECOM ITALIA S.P.A. |
发明人 |
CONTA RENATO;MERIALDO ANNA |
分类号 |
B41J2/14;B41J2/16;(IPC1-7):B41J2/015 |
主分类号 |
B41J2/14 |
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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