Packaging Barcode Inspection for Pre-Seal Label Verification
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Solution Overview
Problem
The existing packaging process for wafers involves manual inspection of inner labels after packaging, which is inefficient and prone to errors, leading to potential losses due to undetected errors in labels.
Innovation Solution
A packaging process monitoring system and method that includes capturing images of barcodes on both inner and outer labels before sealing, identifying their readability and conformity to reference standards, and issuing alarms for errors, thereby automating the inspection process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual inspection of inner labels is performed after packaging, then labeling accuracy can be verified, but packaging efficiency decreases and labor costs increase
Solution Approach 1:
The system performs label inspection before packaging by capturing images of barcodes on both inner and outer labels during the packaging process. This preliminary verification ensures labeling accuracy is confirmed prior to sealing, eliminating the need for post-packaging manual inspection while maintaining reliability.
Solution Approach 2:
The patent replaces manual mechanical inspection with an automated optical detection system. Image capturing devices capture barcode images, and image processing systems automatically verify readability and conformity to reference standards, eliminating manual labor while maintaining or improving inspection reliability.
2Reliability
If manual inspection of labels is performed, then error detection is possible, but time consumption increases
Solution Approach 1:
The inspection process is integrated continuously into the packaging workflow. Image capturing occurs during the packaging process itself, and automated verification continues without interruption, eliminating idle time associated with manual inspection while maintaining continuous error detection capability.
Solution Approach 2:
Automated image processing systems replace time-consuming manual inspection. The system captures barcode images, processes them automatically to verify readability and format conformity, and provides rapid error detection without the time constraints of manual verification.
3Productivity
If automated image capture and verification is implemented, then packaging efficiency improves, but system complexity increases
Solution Approach 1:
The image capturing device serves multiple functions: capturing barcodes on inner labels, capturing barcodes on outer labels, and providing verification data for both labeling stages. This multi-functionality reduces the need for separate dedicated devices, thereby limiting the increase in system complexity while maintaining high packaging efficiency.
Solution Approach 2:
An image processing system acts as an intermediary between the image capturing devices and the packaging control system. This intermediary layer handles the complexity of image analysis, barcode verification, and error detection, allowing the core packaging system to remain relatively simple while achieving automated inspection capabilities.
Data Source
AI summary
The present disclosure provides a method of monitoring a package process. The method includes: placing a material into a material box; printing a barcode on a first tag and a second tag; posting the first tag on the material box; capturing a first image of the first tag including the barcode; packaging the material box by a barrier bag; posting the second tag on the barrier bag; capturing a second image of the second tag including the barcode; identifying the first image and the second image; and issuing an alarm if at least one of the first image and the second image is identified as unreadable.