Title:
NBVCX CHIP DETECTION METHOD AND CHIP DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/198870
Kind Code:
A1
Abstract:
The present disclosure provides a chip detection method and a chip detection device, wherein the chip detection method comprises the following steps: providing a chip to be tested, the chip comprising a power pump region, and the power pump region comprising a plurality of power pump structures; detecting a low-light signal emitted by the power pump region when the chip is in a preset operating mode; and determining whether the low-light signal matches a power pump operating mode corresponding to the preset operating mode, and if not, determining that the power pump region has a defect, the power pump operating mode comprising operating states of the power pump structures in the power pump region.
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Inventors:
ZHOU JIANBO (CN)
Application Number:
PCT/CN2021/109267
Publication Date:
September 29, 2022
Filing Date:
July 29, 2021
Export Citation:
Assignee:
CHANGXIN MEMORY TECH INC (CN)
International Classes:
G01R31/28
Foreign References:
| CN113075533A | 2021-07-06 | |||
| CN110892517A | 2020-03-17 | |||
| CN103197224A | 2013-07-10 | |||
| CN102129026A | 2011-07-20 | |||
| US20130027051A1 | 2013-01-31 |
Attorney, Agent or Firm:
BOXIN CHINA INTELLECTUAL PROPERTY (CN)
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