RESURF Region Variation Induced Current Crowding Effect on HV p-LDMOS
The nonuniform current distribution of high-voltage laterally-diffused metal-oxide semiconductor (HV LDMOS) is an inevitable phenomenon if the process does not consider the shadow effect of implant. It is because some implants to fabricate transistor are not the self-aligned processes and usually ti...
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Published in | 2023 IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA) pp. 1 - 7 |
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Main Authors | , , , , , , , , , , |
Format | Conference Proceeding |
Language | English |
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IEEE
24.07.2023
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Abstract | The nonuniform current distribution of high-voltage laterally-diffused metal-oxide semiconductor (HV LDMOS) is an inevitable phenomenon if the process does not consider the shadow effect of implant. It is because some implants to fabricate transistor are not the self-aligned processes and usually tilted at an angle. From T-CAD simulation, it reveals that the width and doping profile of reduced surface (RESURF) regions vary with the location of HV LDMOS, resulting in the current crowding at the shortest RESURF region due to the base push-out induced snapback. |
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AbstractList | The nonuniform current distribution of high-voltage laterally-diffused metal-oxide semiconductor (HV LDMOS) is an inevitable phenomenon if the process does not consider the shadow effect of implant. It is because some implants to fabricate transistor are not the self-aligned processes and usually tilted at an angle. From T-CAD simulation, it reveals that the width and doping profile of reduced surface (RESURF) regions vary with the location of HV LDMOS, resulting in the current crowding at the shortest RESURF region due to the base push-out induced snapback. |
Author | Lee, Jian-Hsing Li, Ching-Ho Chen, Ke-Horng Nidhi, Karuna Lin, Chih-Hsuan Chuang, Chieh-Yao Jou, Yeh-Ning Huang, Shao-Chang Liao, Chih-Cherng Hsu, Kei-Chieh Lin, Wei-Hsin |
Author_xml | – sequence: 1 givenname: Jian-Hsing surname: Lee fullname: Lee, Jian-Hsing email: ano.lee2009@gmail.com organization: Vanguard International Semiconductor Corp.,DE Department,HsinChu City,Taiwan – sequence: 2 givenname: Ching-Ho surname: Li fullname: Li, Ching-Ho organization: National Yang Ming Chiao Tung University,Department of Electrical and Computer Eng.,HsinChu City,Taiwan – sequence: 3 givenname: Karuna surname: Nidhi fullname: Nidhi, Karuna organization: Richtek Technology Corp.,ESD Department,ChuPei City,Taiwan – sequence: 4 givenname: Chih-Hsuan surname: Lin fullname: Lin, Chih-Hsuan organization: Vanguard International Semiconductor Corp.,DE Department,HsinChu City,Taiwan – sequence: 5 givenname: Chieh-Yao surname: Chuang fullname: Chuang, Chieh-Yao organization: Vanguard International Semiconductor Corp.,DE Department,HsinChu City,Taiwan – sequence: 6 givenname: Wei-Hsin surname: Lin fullname: Lin, Wei-Hsin organization: Vanguard International Semiconductor Corp.,DE Department,HsinChu City,Taiwan – sequence: 7 givenname: Kei-Chieh surname: Hsu fullname: Hsu, Kei-Chieh organization: Vanguard International Semiconductor Corp.,DE Department,HsinChu City,Taiwan – sequence: 8 givenname: Yeh-Ning surname: Jou fullname: Jou, Yeh-Ning organization: Vanguard International Semiconductor Corp.,DE Department,HsinChu City,Taiwan – sequence: 9 givenname: Shao-Chang surname: Huang fullname: Huang, Shao-Chang organization: Vanguard International Semiconductor Corp.,DE Department,HsinChu City,Taiwan – sequence: 10 givenname: Chih-Cherng surname: Liao fullname: Liao, Chih-Cherng organization: National Yang Ming Chiao Tung University,Department of Electrical and Computer Eng.,HsinChu City,Taiwan – sequence: 11 givenname: Ke-Horng surname: Chen fullname: Chen, Ke-Horng organization: National Yang Ming Chiao Tung University,Department of Electrical and Computer Eng.,HsinChu City,Taiwan |
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Snippet | The nonuniform current distribution of high-voltage laterally-diffused metal-oxide semiconductor (HV LDMOS) is an inevitable phenomenon if the process does not... |
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SubjectTerms | Doping profiles Electrostatic discharges Electrostatic-Discharge (ESD) Implants Proximity effects Reduced Surface Field (RESURF) Shape Transmission-Line Pulse (TLP) Turning Voltage |
Title | RESURF Region Variation Induced Current Crowding Effect on HV p-LDMOS |
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