150 A SiC V-groove trench gate MOSFET with 6 × 6 mm2 chip size on a 150 mm C-face in-house epitaxial wafer

150 A SiC V-groove trench gate MOSFET with 6 × 6 mm2 chip size on a 150 mm C-face in-house epitaxial wafer
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150 A SiC V 型槽沟槽栅极 MOSFET,芯片尺寸为 6 × 6 mm2,位于 150 mm C 面内部外延晶圆上

DOI:
10.7567/jjap.55.04er05
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发表时间:
2016
影响因子:
1.5
通讯作者:
Y. Mikamura
Y. Mikamura
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Y. Saitoh;H. Itoh;K. Wada;M. Sakai;Taku Horii;K. Hiratsuka;So Tanaka;Y. Mikamura

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报道了SiCV型槽栅MOSFET(VMOSFET)的大电流和高速开关特性的成功演示。用6×6mm2封装的单片芯片实现了150A的漏极电流(Vds=2V和Vgs=18V)和960V的击穿电压。此外,还获得了tr=81 ns和tf=32 ns的短开关时间。由于漂移层载流子浓度的特性,在直径为150 mm的晶片上实现高成品率、高度均匀的VMOSFET的内部外延生长技术也是关键之一。
We report the successful demonstration of large current and high-speed switching properties of SiC V-groove trench gate MOSFETs (VMOSFETs). A drain current of 150 A (at VDS = 2 V and VGS = 18 V) and breakdown voltage of 960 V were achieved from a packaged 6 × 6 mm2 single chip. Moreover, short switching times of tr = 81 ns and tf = 32 ns were also obtained. To fabricate such VMOSFETs with high yield, highly uniform in-house epitaxial growth technology on a 150-mm-diameter wafer is also one of the keys, owing to its characteristic dependence on drift layer carrier concentration.
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影响因子: 3.2
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