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논문 기본 정보

자료유형
학술저널
저자정보
강이구 (극동대학교)
저널정보
한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제19권 제4호
발행연도
2018.8
수록면
241 - 244 (4page)
DOI
https://doi.org/10.1007/s42341-018-0048-2

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Power devices was used all of industry, widely because of switching devices. Specially, those devices could be applicableautomotive and energy IT. This paper was proposed a 1500 V class NPT IGBT, in which a planar type was layered on theN-type wafer and the P-type collector was layered on the lower side. It also designed a fi eld stop IGBT, which design processwas similar to that of NPT IGBT but requires N+ to be inserted before layering the collector to create a buff er and layeringthe P-type collector. The electrical characteristics were derived after the design, and threshold voltage and on-state voltagedrop, as well as breakdown voltage of the two devices were compared and analyzed. As a respect of threshold voltage, Weobtained 4.21 and 4.11 V, respectively. And the breakdown characteristic of power devices is one of the most important electricalcharacteristics. The value of that was achieved 1818 and 1811 V, respectively. At last, we obtained 4.10 and 4.01 V ofon state voltage drop, respectively. The comparison results showed that the fi eld stop IGBT device constantly maintained anelectric fi eld at the drift layer due to the N+ buff er layer, indicating a small on-resistance while maintaining the breakdownvoltage in the NPT device. Thus, it is expected to play a signifi cant role as a switching device for high voltage over 1700 Vin the future.

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