公开(公告)号：US5200607A

公开(公告)日：1993-04-06

申请号：US842691

申请日：1992-02-27

申请人： Catherine I. Klima

发明人： Catherine I. Klima

IPC分类号： G01J1/02 ,  H01L31/0203 ,  H01L31/0232

CPC分类号： G01J1/02 ,  G01J1/0271 ,  G01N21/15 ,  H01L31/0203 ,  H01L31/0232 ,  G01J2001/028

摘要： A photodetector is provided with a housing that has a discontinuity formed in an outer surface of its light transmissive portion. The discontinuity serves to inhibit liquid droplets from adhering to the outer surface of the endface in the region where the discontinuity is located. Alternative embodiments of the present invention include discontinuities formed in the outer surfaces of housing windows which have flat inner surfaces or inner surfaces which are shaped to formed lenses. By preventing liquid droplets from adhering to the outer surface of the window, the present invention prevents the reflective liquid surfaces of droplets from creating false signals for the photodetector by reflecting light back from the light source toward a light sensitive component.

摘要翻译： 光电检测器设置有在其透光部分的外表面上形成有不连续的壳体。 不连续性用于在不连续位置的区域中抑制液滴附着到端面的外表面。 本发明的替代实施例包括形成在壳体窗的外表面中的不连续性，其具有平坦的内表面或内表面，其被成形为成形的透镜。 通过防止液滴附着在窗的外表面，本发明通过将来自光源的光反射回光敏部件来防止液滴的反射液面对于光检测器产生假信号。