Wafer partition testing method of LED chip

The present invention provides a wafer partition testing method of a LED chip, belonging to the field of the LED production application technology. Each grain of 20-40 circles at the periphery of the chip is subjected to wafer test one by one, and each grain located in the wafer test loop of the chi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Yang Kai, Ma Xiangzhu, Zheng Xiaobo, Xiao Heping, Chen Liang, Zhang Shuangxiang
Format: Patent
Sprache:chi ; eng
Schlagworte:
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