Our work mainly focus on the improvements of reverse recovery charge and gate charge which impact much on high speed switching and high efficiency performance of a VDMOSFET.

本项目主要针对影响器件开关速率和高效性能的反向恢复电荷、栅电荷进行优化和改进。

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To facilitate the fishing or recovery operation, the backoff is usually accomplished by applying reverse torque and detonating an explosive charge inside a selected threaded connection.

为进行打捞或回收钻柱，通常的卸开作业总是采用反扭矩，和在所选用的丝扣连接内引爆炸弹。

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The reverse recovery time is also obtained by using charge-controlled method.

借助电荷控制法并引入有效寿命概念获得反向恢复时间。

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