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About Corerain

Corerain Technologies is a leading Artificial Intelligence (AI) chip and solutions company, specializing in pioneering reconfigurable streaming AI chip technologies and providing integrated hardware and software turn-key solutions for smart cities, smart energy, EHS management and smart manufacturing.

Surface Inspection|Corerain x The Domestic Microelectronics Group

Client Profile

As one of the largest manufacturers of lithography machine in China, the microelectronics group is mainly dedicated to the development, design, manufacture, sales and technical services of semiconductor equipment, pan-semiconductor equipment and high-end intelligent equipment.


Business Challenges

Insufficient Amount of Defect Data
Insufficient Amount of Defect Data
Some defect samples are small in number and not easy to collect in the short term, and there is a lack of effective public data sets in the industry.
High Problem Complexity
High Problem Complexity
The diversity of wafer defect types is high and the imaging of the same defect is affected by various factors such as process, batch, and lighting conditions of AOI.
High Requirements of Real-time Computation
High Requirements of Real-time Computation
AOI has a high imaging resolution, and the complexity of image computation is positively correlated with the image resolution.

Application Solution

In response to the complicated problems of wafer surface defect detection, Corerain provides a hybrid solution based on deep learning algorithms and supplemented by traditional computer vision algorithms to integrate the detection, classification, regression  and recognition algorithms of the target. Combined with the self-developed AI accelerators with low latency, high performance and high cost-efficiency, an integrated AI machine vision wafer inspection solution is developed by Corerain.

Implementation results

Identify defects such as wafer overdisplay, tarnish, probe, residue and scuff with an algorithm accuracy over 99%.
Identify defects such as wafer overdisplay, tarnish, probe, residue and scuff with an algorithm accuracy over 99%.
该项目部署的AI视频分析方案,支持报警弹窗和语音报警等多种方式,支持报警数据的实时预览和分析统计,可对单路视频和算法设置报警阈值,灵活地满足了客户的个性化需求。
Achieve accurate and efficient full-line inspection and classification, effectively shorten the product development cycle and reduce production cost by 50% for companies.

Relevant cases

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Contact us immediately at (+86) 199 2531 6438 or sales@corerain.com

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  • Autonomous & controllable hardware

    Autonomous & controllable hardware

  • Make the best of used equip-ment to

    Make the best of used equip-ment to

  • High-precision Image Algorithms

    High-precision Image Algorithms

  • In-depth Integration of Software and Hardware

    In-depth Integration of Software and Hardware

  • Standardized Platform

    Standardized Platform

  • Standardized Platform

    Standardized Platform

Accelerate AI Deployment with Next-Gen Computing Platform

(+86)19925316438

Contact us:contact@corerain.com

Sales contact:sales@corerain.com

Media cooperation:media@corerain.com

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