Invention Grant
US07682852B2 Method of manufacturing semiconductor laser device including light shield plate 失效
制造包括遮光板的半导体激光装置的方法

Method of manufacturing semiconductor laser device including light shield plate
Abstract:
Provided is a method of manufacturing a semiconductor laser device having a light shield film comprising: forming a light emission structure by depositing a first clad layer, an active layer and a second clad layer on a substrate; depositing a light shield film and a protection film on the light emission face of the light emission structure; removing the light shield film corresponding to an area of the light emission face of the light emission structure including and above the first clad layer; and removing the protection layer.
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