photoelectric cell | Infoplease.com - Infoplease: Encyclopedia, Almanac, Atlas, Biographies, Diction photoelectric cell or photocell, device whose electrical characteristics vary when light is incident upon it. The most common type consists of two ... More on photoelectric cell from Infoplease: photoelectric cell: meaning and definitions - photoelectric
Miniature Photoelectric Sensors - Allen-Bradley Bulletin 42KB Micro Rectangular Miniature Photoelectric Sensors offer high performance sensing capability in a micro rectangular package. The 42KB is ideal for applications where small size is key. We offer two basic package styles: end view and side view
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Photoelectric Sensors - Allen-Bradley Photoelectric Sensors Photoelectric sensors use a beam of light to detect the presence or absence of an object. This technology is an ideal alternative to inductive proximity sensors when you require long sensing distances or when the item you want to sen
內光電效應- 維基百科，自由的百科全書 - Wikipedia 內光電效應是光電效應的一種，主要由於光量子作用，引發物質電化學性質變化。 ... 光電導效應：當入射光子射入到半導體表面時，半導體吸收入射光子產生電子空穴 ...
金属中的光电效应和半导体中的光电效应有什么不同? - 物理- 小木虫- 学 ... 金属的光电效应是光子把电子激发到真空中来，而半导体的光电效应分内外两种，外光电效应与金属类似，内光电效应是光子把电子从价带激发到导 ...
内光电效应_百度百科 光照射到半导体或绝缘体的表面时，使物体内部的受束缚电子受到激发，从而使物体的导电性能改变。这就称为内光电效应。显然照射的辐射通量愈大，则被激发的电子 ...
內光電效應- 台灣Wiki 2013年10月14日 - 光電導效應：當入射光子射入到半導體表面時，半導體吸收入射光子產生電子空穴對，使其自生電導增大。光生伏特效應：當一定波長的光照射非均勻 ...
Photoelectric Effect - Lawrence Hall of Science The Photoelectric Effect, Photovoltaic Systems, and Solar Cells ... In a semiconductor a very narrow energy gap separates the valence band from the conduction ...
内光电效应_互动百科 光电导效应：当入射光子射入到半导体表面时，半导体吸收入射光子产生电子空穴对，使其自生电导增大。光生伏特效应：当一定波长的光照射非均匀半导体（如PN结）， ...
