Using selective Zn diffusion to enhance
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Shou-Chien Huang; Wei-Kuo Huang; Yue-Ming Hsin; Jin-Wei Shi
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Article
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2009
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John Wiley and Sons
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English
β 134 KB
## Abstract In this work, the selective Zn diffusion process is applied in the conventional pβiβn PD/HBT structure to improve the PD's performance. Without Zn diffusion, the topβilluminated PD need higher reverse bias to delay the screen effect. With Zn diffusion, the β3 dB bandwidth can be extende