Converging Pad Layout for Precise Electronic Component Bonding
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Solution Overview
Problem
Existing electronic devices face challenges in achieving reliable electrical connections between electronic components due to misalignment and uneven distribution of pad regions, leading to increased strain and potential failure points.
Innovation Solution
The electronic components are designed with pad regions featuring converging extension lines that form distinct points, reducing between-angles progressively, and a bonding method that includes aligning and correcting displacement errors to ensure precise coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pad regions are arranged in conventional parallel lines, then manufacturing is simple, but misalignment and uneven distribution occur leading to increased strain and potential failure
Solution Approach 1:
The pad regions are arranged in converging extension lines that form distinct convergence points, creating a curved/geometric pattern rather than straight parallel lines. This curvature in the arrangement improves electrical connection reliability by reducing misalignment and strain while maintaining manufacturing feasibility.
2Area of stationary object
If pad regions are densely packed to reduce device size, then area is reduced, but alignment precision becomes more difficult to achieve
Solution Approach 1:
The converging extension line geometry creates a natural alignment reference system that maintains precision even in compact areas. The geometric convergence points serve as inherent alignment markers that guide the bonding process, ensuring accurate pad alignment without requiring additional alignment structures.
Solution Approach 2:
The patent replaces complex mechanical alignment systems with a geometric field-based approach using converging lines and convergence points. This geometric field provides inherent alignment guidance that is more robust to manufacturing variations and enables precise alignment in smaller areas.
3Reliability
If conventional bonding methods are used without displacement correction, then the process is simple, but misalignment occurs leading to reduced connection reliability
Solution Approach 1:
The bonding method performs displacement error correction as a preliminary step before the actual bonding process. By measuring and correcting displacement errors between pad regions prior to bonding, the method ensures accurate alignment and improves connection reliability while adding only minimal process complexity.
Solution Approach 2:
The bonding method incorporates feedback by measuring displacement errors between pad regions and using this information to correct alignment before bonding. This closed-loop approach with measurement and correction feedback ensures high precision electrical connections while maintaining manufacturing efficiency.
Data Source
AI summary
Provided is an electronic component including a pad region including a plurality of pads extending along corresponding extension lines and arranged in a first direction, and a signal wire configured to receive a driving signal from the pad region, wherein the plurality of pads include a plurality of first pads arranged continuously and a plurality of second pads arranged continuously, and extension lines of the plurality of first pads substantially converge into a first point and extension lines of the plurality of second pads substantially converge into a second point different from the first point.