发明授权
US4038517A Environmentally and wear protected glass substrate thin film thermal printheads 失效
环保和磨损防护玻璃衬底薄膜热敏头

Environmentally and wear protected glass substrate thin film thermal
printheads
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.
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