A simple technology for superjunction device fabrication: polyflanked VDMOSFET

Kian Paau Gan Kian Paau Gan,Liu Yong Liu Yong,G.S Samudra,Y.C Liang,Xin Yang Xin Yang

doi:10.1109/led.2002.803770

A simple technology for superjunction device fabrication: polyflanked VDMOSFET

Kian Paau Gan Kian Paau Gan, Liu Yong Liu Yong + Show 3 more

https://doi.org/10.1109/led.2002.803770

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Journal: IEEE Electron Device Letters	Publication Date: Oct 1, 2002
Citations: 50

Affiliation: Institute of Microelectronics, National University of Singapore

#Superjunction #Conventional Counterparts + Show 8 more

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Abstract

The charge compensation based novel superjunction (SJ) MOSFET outperforms its conventional counterparts. However, the production of SJ devices is limited by a complicated and costly fabrication process. In this letter, a feasible technology for polyflanked vertical double-diffused MOS SJ structure, as in Gan et al. (2001), is introduced and demonstrated to have greatly reduced fabrication costs, simplified processes, and overcome the interdiffusion problem of SJ columns. This brings forth the new milestone that SJ MOS devices can now be fabricated by standard cleanroom facilities.

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