TY  - SER
AU  - Jung, Eun Sik
AU  - Kyoung, Sin Su
AU  - Kang, Ey Goo
TI  - A Study of Field-Ring Design Using a VarIETy of Analysis Method in Insulated Gate Bipolar Transistor (Igbt)
KW  - Igbt
KW  - Doe
KW  - Trench
ER  -