Interchangeable Solder Pads for Multi-Size ICs
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Solution Overview
Problem
Conventional printed circuit boards require new designs for each platform due to varying electrical characteristics of processing components, leading to increased development overhead, administrative expenses, and regulatory compliance costs.
Innovation Solution
The implementation of interchangeable solder pads with a conductive area and intervening non-conductive area allows for multiple component sizes to be supported on a common printed circuit board, ensuring proper placement during solder reflow and reducing design and manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If new designs are created for each platform to accommodate different processing components, then electrical characteristics can be optimized, but development overhead and administrative expenses increase
Solution Approach 1:
The solder pad is designed with a non-conductive area that serves multiple functions: it maintains component positioning during solder reflow and accommodates components of different sizes. This universal design allows a single solder pad structure to support multiple component types without requiring separate designs for each platform, thereby reducing development overhead while maintaining electrical optimization.
Solution Approach 2:
The solder pad incorporates a non-conductive area with specific geometric properties that provide localized functionality. This non-conductive region creates friction against the smaller component's sides, maintaining its position during solder reflow, while the conductive area provides electrical connection. This local quality differentiation allows the same solder pad structure to accommodate both larger and smaller components effectively.
2Manufacturing precision
If component positioning is maintained during solder reflow, then manufacturing precision is improved, but additional structural features increase device complexity
Solution Approach 1:
The invention merges the positioning function and the electrical connection function into a single solder pad structure. The non-conductive area within the solder pad provides positioning through friction during solder reflow, while the conductive area provides electrical connection. This merging eliminates the need for separate positioning features, maintaining manufacturing precision without significantly increasing device complexity.
Solution Approach 2:
The solder pad's non-conductive area automatically provides positioning service during solder reflow through friction against the component sides. This self-service mechanism requires no additional active control or external intervention, maintaining component positioning precision while keeping the structure simple and integrated into the existing solder pad geometry.
Data Source
AI summary
An information handling system printed circuit board includes solder pads that accept footprint compatible integrated circuits, such as charger integrated circuits that provide power with different choke circuit supporting components. Solder pads for supporting components include first and second conductive areas sized to accept a first supporting component, each of the first and second conductive areas including an intervening non-conductive area that manages positioning of a smaller second supporting component at solder reflow.