Component Tape Electrical Characteristic Evaluation
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Solution Overview
Problem
Existing methods for evaluating the electrical characteristics of components held on a component tape are inadequate as they primarily rely on measurements at the leading end, failing to accurately assess the characteristics of components in the middle, which can lead to inappropriate evaluations.
Innovation Solution
The method involves measuring the electrical characteristics of multiple components, including those in the middle of the tape, and statistically processing these values to provide a more accurate estimation of the electrical characteristics of all components, allowing for appropriate evaluation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If only the leading end component is measured for electrical characteristics, then the measurement process is simple and fast, but the evaluation accuracy of the entire component tape is insufficient
Solution Approach 1:
The patent applies partial action by measuring only specific components (leading end component and middle components) rather than all components on the tape. This selective measurement approach provides sufficient evaluation accuracy for the entire component tape while avoiding the complexity of measuring every single component, thus resolving the contradiction between measurement precision and process complexity.
2Measurement precision
If multiple components including middle components are measured, then the evaluation accuracy improves, but the measurement time and process complexity increase
Solution Approach 1:
The patent measures a selective subset of components (leading end and middle components) rather than all components. This partial measurement strategy achieves sufficient evaluation accuracy while minimizing measurement time, as it avoids the excessive time cost of measuring every component on the tape.
Solution Approach 2:
The patent performs measurements during the mounting work process itself, integrating the measurement action into the existing workflow. This preliminary integration allows measurements to be taken without adding separate dedicated measurement steps, thereby reducing total measurement time while still achieving improved evaluation accuracy.
3Productivity
If measurements are conducted during mounting work, then the process efficiency is maintained, but the measurement may interrupt the mounting flow
Solution Approach 1:
The patent merges the measurement process with the existing mounting work flow. By integrating measurement actions into the mounting sequence (measuring leading end component before mounting, and middle components during mounting), the system maintains productivity while ensuring measurements are taken. The measurement and mounting operations are combined into a unified process rather than separate sequential steps.
Data Source
AI summary
Based on the measured values of the electrical characteristics of multiple components including a component positioned in the middle among many components held on the component tape, it is possible to more accurately estimate the electrical characteristics of the many components as compared with the case based on the measured value of the electrical characteristic of a component positioned at the leading end. Also, based on the statistically processed results of these measurement values, it is possible to appropriately evaluate the electrical characteristics of many components. Further, if the electrical characteristics of all of the components are measured, the evaluation can be performed more appropriately.