Ingots are sliced into wafers just a few millimeters thick, lapped and polished to a flawless mirror shine, and then etched with functional patterns (such as resistors, transistors, and capacitors ...
Abstract: Polysilicon is extensively employed as a material for emitters in vertical bipolar junction transistors (BJTs) to achieve high current gain (beta). To enhance the electrical properties of ...
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China ...
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