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Применить Всего найдено 2. Отображено 2.
11-08-2023 дата публикации

Failure point positioning method for semiconductor power device

Номер: CN116577628A
Автор: YUAN GUANGMING, NAN KE, WANG LIN, NAN YITING
Принадлежит:

The invention discloses a method for positioning a failure point of a semiconductor power device, and the method comprises the following steps: S1, carrying out the failure position analysis of the semiconductor power device, and positioning a target region on the semiconductor device through an enhanced phase-locked thermal imaging technology; s2, performing comprehensive protection on areas except the target position; s3, making a plurality of identifiers for the interior and the edge of the target area for marking the target area to facilitate positioning; s4, a thin beam of inert gas ions is used for penetrating through the metal layer at the position indicated by the ELITE system through a double-beam scanning electron microscope for imaging, gas flows on the sample so that a uniform flat-bottom opening can be formed in the device, and the double-beam scanning electron microscope is used for accurately stopping the ion milling process in a proper layer; s5, in the step S4, if the position ...

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Номер записи: 1
01-08-2023 дата публикации

IGBT static output characteristic detection system

Номер: CN116520121A
Автор: YUAN GUANGMING, NAN KE, WANG LIN, NAN YITING
Принадлежит:

The invention relates to the technical field of semiconductors, and discloses an IGBT static output characteristic detection system which comprises an instrument body, a supporting mechanism is arranged below the instrument body, a lap joint mechanism is arranged on the right side of the instrument body, the supporting mechanism comprises a plurality of connecting plates, and the lap joint mechanism is arranged on the right side of the instrument body. The tops of the connecting plates are fixedly connected to the four corners of the lower surface of the instrument body respectively. According to the IGBT static output characteristic detection system, the four corners of the lower surface of the instrument body are connected with the connecting plates, the number of the connecting plates is eight, every two connecting plates form a group, the rotating shaft is located between the two connecting plates, the telescopic rod can rotate through the rotating shaft, a certain angle is formed between ...

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Номер записи: 2