发明授权
- 专利标题: Environmentally and wear protected glass substrate thin film thermal printheads
- 专利标题(中): 环保和磨损防护玻璃衬底薄膜热敏头
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申请号: US673249申请日: 1976-04-02
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公开(公告)号: US4038517A公开(公告)日: 1977-07-26
- 发明人: Laurence G. Nelson
- 申请人: Laurence G. Nelson
- 申请人地址: CA El Segundo
- 专利权人: Rockwell International Corporation
- 当前专利权人: Rockwell International Corporation
- 当前专利权人地址: CA El Segundo
- 主分类号: B41J2/335
- IPC分类号: B41J2/335 ; H05B1/00
摘要:
Glass-substrate thin film thermal printheads are protected from both chemical contamination and the mechanical wear by a coating comprising aluminum oxide (Al.sub.2 O.sub.3) over silicon monoxide (SiO) disposed on the printhead.