DEVICE FOR DETECTING DEFECT IN WIRE BONDING AND OPERATION METHOD THEREOF

Title:

DEVICE FOR DETECTING DEFECT IN WIRE BONDING AND OPERATION METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2023/027490

Kind Code:

A1

Abstract:

The present invention relates to a device and method for detecting a bonding defect occurring between a battery cell and a busbar which are connected by wire through ultrasonic bonding, in which data formed by collecting ultrasonic bonding parameters by time are learned using machine learning of a convolutional neural network, and then, a bonding defect is detected on the basis thereof.

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Inventors:

CHOI JEE HOON (KR)

Application Number:

PCT/KR2022/012614

Publication Date:

March 02, 2023

Filing Date:

August 24, 2022

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

B23K31/12; B23K20/10; G06N3/04; G06N3/08; B23K101/36

Domestic Patent References:

WO2021008275A1

2021-01-21

Foreign References:

JP2021018849A	2021-02-15
KR20200080380A	2020-07-07
KR101033416B1	2011-05-11
KR20110108950A	2011-10-06
KR20210112586A	2021-09-15
KR20190081614A	2019-07-09
JP2019185580A	2019-10-24

Attorney, Agent or Firm:

MYUNGRYUN IP & LAW FIRM (KR)

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