Automated RFID Quality Control System for Manufacturing Presses
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Solution Overview
Problem
The existing RFID tag manufacturing process is time-consuming and labor-intensive due to the need for manual quality control inspections, which creates bottlenecks and increases costs, especially since modern manufacturing techniques result in high yield percentages and low consecutive defective tags, making manual editing processes inefficient.
Innovation Solution
An automated RFID quality control system and method that configures an RFID manufacturing press with quality control specifications, performs performance tests on each RFID inlay, compares results to user-configurable specifications, and indicates a pass or fail status for each batch, allowing batches to bypass manual editing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual quality control inspection and editing processes are used, then quality specifications can be verified, but the manufacturing process becomes time-consuming and labor-intensive
Solution Approach 1:
The patent replaces manual visual inspection and editing processes with an automated system using interrogator antennas to perform RF performance tests on RFID inlays. The system automatically detects defective inlays and directs them to an editing mechanism, eliminating the need for manual labor while maintaining quality control standards.
Solution Approach 2:
The system enables self-inspection where the RFID inlays themselves are tested through automated RF performance testing. The manufacturing press integrates quality control functionality, allowing the system to automatically verify quality specifications and direct defective items without external manual intervention.
2Reliability
If manual editing processes are implemented, then defective tags can be removed, but bottlenecks occur prior to shipment
Solution Approach 1:
The system performs quality control testing and identifies defective inlays during the manufacturing process itself, before the rolls are ready for shipment. By integrating the editing process into the manufacturing press and performing tests in real-time, defective tags are removed preliminarily without creating post-manufacturing bottlenecks.
Solution Approach 2:
The patent merges the quality control inspection process and the editing process into a single integrated system within the manufacturing press. The interrogator antennas, control logic, and editing mechanism work together as one unified process, eliminating separate manual inspection and editing steps that previously caused time delays.
3Reliability
If visual inspection methods are used, then quality control can be performed, but the process is labor-intensive
Solution Approach 1:
The patent replaces visual inspection methods with automated RF performance testing using interrogator antennas. The system electronically tests each RFID inlay's performance characteristics and automatically compares results against specifications, eliminating manual visual inspection labor while improving operational simplicity through automated decision-making.
Solution Approach 2:
The system incorporates continuous feedback through automated testing and control logic that immediately compares test results against quality specifications. The control logic automatically directs defective inlays to the editing mechanism based on real-time feedback from performance tests, eliminating the need for manual judgment and simplifying operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution streamlines the manufacturing process by allowing batches to meet customer specifications without manual editing, reducing bottlenecks, costs, and labor, while enabling faster production and shipment of high-quality RFID tags.
Implementation Method 1
The use of radio frequency identification (RFID) tags to track, identify and locate goods has grown significantly in recent years. RFID tags allow manufacturers, distributors and retailers, amongst others, to regulate products and inventory
Data Source
AI summary
A system and method is described for an automated RFID quality control process. The method may include configuring an RFID manufacturing press with quality control specifications, manufacturing a batch of RFID inlays, executing a performance test on each RFID inlay, comparing the results of the performance test to the quality control specifications, and determining a pass or fail status for the batch of RFID inlays based on the results of the performance test. The system may include an RFID manufacturing press having at least one lane, at least one interrogator antenna, and programmable control logic for the RFID manufacturing press, wherein the programmable control logic is adapted to execute a performance test on each RFID relay of a batch of RFID relays output by the manufacturing press, compare the results of the performance test to user-configurable quality control specifications, and determine whether the batch of RFID relays meets the specifications.