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In order to design the power devices with the low loss required for the power integrated circuits (PIC), a new folded silicon LDMOS with the folding step oxide layer (SOFLDMOS) is proposed in this paper for the first time. In this structure, the step oxide layer is covered on the folded silicon surface with a periodic distribution. The surface electric field is optimized to be uniform by introducing a new electric field peak due to the electric field modulation effect by the step oxide layer. The breakdown voltage is improved to solve the breakdown voltage limitation problem in FALDMOS. Obtained in virtue of the ISE simulation are the results that the silicon limit is broken by applying the effects of the electric field modulation, accumulation of majority carriers, and conductive silicon region multiplier in the proposed SOFLDMOS. The saturation current of the drain electron is increased by about 3.4 times compared with that of the conventional LDMOS. When the breakdown voltage is 62 V, an ultra-low specific on-resistance of 0.74 mΩ·cm2 is obtained, which is far less than 2.0 mΩ·cm2 in the conventional LDMOS with the same breakdown voltage. The low loss requirements is achieved for the PIC with the low voltage region by the proposed SOFLDMOS.
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Keywords:
- folding silicon /
- lateral double-diffused metal oxide semiconductor field effect transistor /
- breakdown voltage /
- specific on resistance
[1] Chen X B, Wang X, Johnny K O S 2000 IEEE Trans. Electron Dev. 47 1280
[2] Yoshiaki T, Katakura H, Takatoshi O, Masanobu I, Hitoshi S 2013 Proceedings of the 25th International Power Semiconductor Devices and ICs Kanazawa, May 26-30, 2013 p145
[3] Mao K, Qiao M, Jiang L L, Jiang H P, Li Z H, Chen W Z, Li Z L, Zhang B 2013 Proceedings of the 25th International Power Semiconductor Devices and ICs Kanazawa, May 26-30, 2013 p397
[4] Chen X B, Johnny K O S 2001 IEEE Trans. Electron Dev. 48 344
[5] Sameh G, Khalil N, Salama C A T 2003 IEEE Trans. Electron Dev. 50 1385
[6] Sameh G, Khalil N, Li Z H, Salama C A T 2004 IEEE Trans. Electron Dev. 51 1185
[7] Park Y, Salama C T 2005 Proceedings of the 17th International Power Semiconductor Devices and ICs Santa Barbara, California, May 26-30, 2005 p163
[8] Zhang B, Chen L, Wu J, Li Z J 2005 International Conference on Communications, Circuits and System Hong Kong, 2005 p1399
[9] Duan B X, Yang Y T, Zhang B 2009 IEEE Electron Dev. Lett. 30 305
[10] Duan B X, Yang Y T 2011 Micro & Nano Lett. 6 881
[11] Nakagawa A, Kawaguchi Y 2000 Proceedings of the 25th International Power Semiconductor Devices and ICs Toulouse, France, May 22-25, 2000 p47
[12] Yung C L, Gan K P, Ganesh S S 2001 IEEE Electron Dev. Lett. 22 407
[13] Duan B X, Yang Y T 2011 IETE Tech. Rev. 28 503
[14] Duan B X, Yang Y T 2012 IETE Tech. Rev. 29 36
[15] Duan B X, Yang Y T 2012 IETE Tech. Rev. 29 276
[16] Duan B X, Zhang B, Li Z J 2005 Solid-State Electron. 49 1965
[17] Duan B X, Zhang B, Li Z J 2006 IEEE Electron Dev. Lett. 27 377
[18] Duan B X, Zhang B, Li Z J 2007 Chin. Phys. Lett. 24 1342
[19] Duan B X, Yang Y T, Zhang B, Hong X F 2009 IEEE Electron Dev. Lett. 30 1329
[20] Duan B X, Yang Y T 2011 IEEE Trans. Electron Dev. 58 2057
[21] Duan B X, Yang Y T, Zhang B, Li Z J 2008 J. Semicond. 29 677
[22] Duan B X, Yang Y T, Zhang B 2010 Solid-State Electron. 54 685
[23] Duan B X, Yang Y T 2012 Chin. Phys. B 21 057201
[24] Duan B X, Yang Y T, Chen J 2012 Acta Phys. Sin. 61 227302 (in Chinese) [段宝兴, 杨银堂, 陈敬 2012 61 227302]
[25] Duan B X, Yang Y T 2014 Acta Phys. Sin. 63 057302 (in Chinese) [段宝兴, 杨银堂 2014 63 057302]
[26] ISE TCAD Manuals, release 10.0, Synopsys
[27] Appels J A, Collet M G, Hart P A H, Vaes H M J, Verhoeven J F C M 1980 Philips J. Res. 35 1
[28] Duan B X, Yang Y T 2012 Science China Inform. Sci. 55 473
[29] Michael A, Vladimir R 1985 International Electron Devices Meeting Washington, DC, December 1-4, 1985 p736
[30] Park I Y, Choi Y K, Ko K Y, Yoon C J, Kim Y S, Kim M Y, Kim H T, Lim H C, Kim N J, Yoo K D 2009 Proceedings of the 21th International Power Semiconductor Devices and ICs Barcelona, Spain, June 15-17, 2009 p192
[31] Chen Y, Buddharaju K D, Liang Y C, Samudra G S, Feng H H 2007 19th International Power Semiconductor Devices and ICs Jeju, Korea, May 27-30 p177
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[1] Chen X B, Wang X, Johnny K O S 2000 IEEE Trans. Electron Dev. 47 1280
[2] Yoshiaki T, Katakura H, Takatoshi O, Masanobu I, Hitoshi S 2013 Proceedings of the 25th International Power Semiconductor Devices and ICs Kanazawa, May 26-30, 2013 p145
[3] Mao K, Qiao M, Jiang L L, Jiang H P, Li Z H, Chen W Z, Li Z L, Zhang B 2013 Proceedings of the 25th International Power Semiconductor Devices and ICs Kanazawa, May 26-30, 2013 p397
[4] Chen X B, Johnny K O S 2001 IEEE Trans. Electron Dev. 48 344
[5] Sameh G, Khalil N, Salama C A T 2003 IEEE Trans. Electron Dev. 50 1385
[6] Sameh G, Khalil N, Li Z H, Salama C A T 2004 IEEE Trans. Electron Dev. 51 1185
[7] Park Y, Salama C T 2005 Proceedings of the 17th International Power Semiconductor Devices and ICs Santa Barbara, California, May 26-30, 2005 p163
[8] Zhang B, Chen L, Wu J, Li Z J 2005 International Conference on Communications, Circuits and System Hong Kong, 2005 p1399
[9] Duan B X, Yang Y T, Zhang B 2009 IEEE Electron Dev. Lett. 30 305
[10] Duan B X, Yang Y T 2011 Micro & Nano Lett. 6 881
[11] Nakagawa A, Kawaguchi Y 2000 Proceedings of the 25th International Power Semiconductor Devices and ICs Toulouse, France, May 22-25, 2000 p47
[12] Yung C L, Gan K P, Ganesh S S 2001 IEEE Electron Dev. Lett. 22 407
[13] Duan B X, Yang Y T 2011 IETE Tech. Rev. 28 503
[14] Duan B X, Yang Y T 2012 IETE Tech. Rev. 29 36
[15] Duan B X, Yang Y T 2012 IETE Tech. Rev. 29 276
[16] Duan B X, Zhang B, Li Z J 2005 Solid-State Electron. 49 1965
[17] Duan B X, Zhang B, Li Z J 2006 IEEE Electron Dev. Lett. 27 377
[18] Duan B X, Zhang B, Li Z J 2007 Chin. Phys. Lett. 24 1342
[19] Duan B X, Yang Y T, Zhang B, Hong X F 2009 IEEE Electron Dev. Lett. 30 1329
[20] Duan B X, Yang Y T 2011 IEEE Trans. Electron Dev. 58 2057
[21] Duan B X, Yang Y T, Zhang B, Li Z J 2008 J. Semicond. 29 677
[22] Duan B X, Yang Y T, Zhang B 2010 Solid-State Electron. 54 685
[23] Duan B X, Yang Y T 2012 Chin. Phys. B 21 057201
[24] Duan B X, Yang Y T, Chen J 2012 Acta Phys. Sin. 61 227302 (in Chinese) [段宝兴, 杨银堂, 陈敬 2012 61 227302]
[25] Duan B X, Yang Y T 2014 Acta Phys. Sin. 63 057302 (in Chinese) [段宝兴, 杨银堂 2014 63 057302]
[26] ISE TCAD Manuals, release 10.0, Synopsys
[27] Appels J A, Collet M G, Hart P A H, Vaes H M J, Verhoeven J F C M 1980 Philips J. Res. 35 1
[28] Duan B X, Yang Y T 2012 Science China Inform. Sci. 55 473
[29] Michael A, Vladimir R 1985 International Electron Devices Meeting Washington, DC, December 1-4, 1985 p736
[30] Park I Y, Choi Y K, Ko K Y, Yoon C J, Kim Y S, Kim M Y, Kim H T, Lim H C, Kim N J, Yoo K D 2009 Proceedings of the 21th International Power Semiconductor Devices and ICs Barcelona, Spain, June 15-17, 2009 p192
[31] Chen Y, Buddharaju K D, Liang Y C, Samudra G S, Feng H H 2007 19th International Power Semiconductor Devices and ICs Jeju, Korea, May 27-30 p177
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