Embedded Metal Support for Circuit Trace Bonding
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Solution Overview
Problem
Existing electronic device substrates with integrated circuit traces face challenges in construction, compactness, and survivability, particularly when connectors or cables are joined to the circuit traces, as they lack sufficient structural support to withstand stress and ensure reliable bonding.
Innovation Solution
The integration of a metal support structure, such as a staple, embedded within the substrate, either during or after formation, which is then plated along with the circuit traces, providing additional structural support and enhancing the bonding strength when connectors or cables are soldered to the circuit traces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a metal support structure is embedded within the substrate to provide structural support, then the mechanical strength and reliability of bonding between circuit traces and connectors are improved, but the device complexity and manufacturing process difficulty increase
Solution Approach 1:
The metal support structure is merged with the substrate by embedding it within the substrate material. This combining approach provides structural support to enhance bonding strength between circuit traces and connectors while integrating the support function into the existing substrate structure, avoiding the need for separate support components.
Solution Approach 2:
The substrate is constructed as a composite structure combining the substrate material with an embedded metal support structure. This composite approach leverages the mechanical strength of metal while maintaining the electrical and structural properties of the substrate, thereby improving overall bonding reliability without completely redesigning the device architecture.
2Reliability
If a metal support structure is embedded within the substrate, then the bonding strength when connectors or cables are soldered to the circuit traces is enhanced, but the manufacturing process complexity increases
Solution Approach 1:
The metal support structure is embedded within the substrate in advance, before the bonding process occurs. This preliminary action ensures that the structural support is already in place to withstand the stresses of soldering and connector attachment, thereby enhancing bonding strength while allowing the support structure to be integrated during the substrate manufacturing process itself.
3Reliability
If the substrate lacks sufficient structural support, then the construction and compactness are simpler, but the survivability and ability to withstand stress are reduced
Solution Approach 1:
The metal support structure is embedded at specific locations within the substrate where structural support is most needed, particularly in areas where connectors or cables will be attached. This localized approach provides enhanced survivability and stress resistance only where required, rather than uniformly increasing the complexity of the entire substrate construction.
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 enhances the mechanical strength and reliability of the bonding between the circuit traces and connectors or cables, improving the substrate's ability to withstand stress and ensuring durable connections, thereby addressing the issues of construction, compactness, and survivability.
Implementation Method 1
The integration of a metal support structure, such as a staple, embedded within the substrate, either during or after formation, which is then plated along with the circuit traces
Data Source
AI summary
Electronic devices may include substrates with integrated circuit traces. For example, a component of an electronic device may include a substrate with one or more circuit traces formed on the substrate. A support structure may be embedded in the substrate at a location proximate to at least a part of a circuit trace of the one or more circuit traces. A connector may be affixed to at least the support structure and at least a portion of the part of the circuit trace. This disclosure also describes techniques for assembling substrates with circuit traces and embedded support structures.