Electronic Card Prelaminate Pad Positioning
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Solution Overview
Problem
The existing methods for producing prelaminates for electronic cards are time-consuming and require great care due to the individual formation and positioning of pads, which affects the accuracy and reliability of signal connections between electronic components.
Innovation Solution
A prelaminate comprising a metal plate with a central part and branches that form the pads, allowing for a single positioning operation and facilitating the connection of multiple pads, thereby simplifying the production and improving accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If pads are produced and arranged individually by bonding, then each pad can be precisely positioned, but the production time increases and the process requires great care
Solution Approach 1:
Multiple individual pads are merged into a single metal plate structure with a central part and multiple branches. Each branch forms a pad, and all pads are positioned simultaneously through one positioning operation rather than multiple individual positioning operations, thereby improving production speed while maintaining positioning accuracy.
Solution Approach 2:
The metal plate is pre-formed with all pad branches in their correct positions before being introduced to the prelaminate. This preliminary formation of the complete pad structure eliminates the need for sequential positioning of individual pads during the assembly process.
2Reliability
If multiple individual pads are positioned separately, then connection accuracy is maintained, but the number of positioning operations increases
Solution Approach 1:
Multiple positioning operations for individual pads are merged into a single positioning operation for the entire metal plate. The plate's central part and branches are positioned as one unit, reducing operational complexity while ensuring reliable connections through precise single-step positioning.
3Adaptability or versatility
If pads are formed individually, then flexibility in pad configuration is achieved, but the production process becomes time-consuming
Solution Approach 1:
The metal plate is segmented into a central part and multiple branches, where each branch can be independently shaped to form a pad of specific configuration. This segmentation allows flexible pad arrangements to be achieved within the single-piece structure, maintaining adaptability while enabling rapid production through simultaneous positioning of all pads.
Data Source
AI summary
The present invention relates to a prelaminate for an electronic card, wherein at least a first group of pads is formed from a metal plate formed from a piece comprising a central part and branches extending from the central part, the branches of the metal plate forming the pads of the first group. The invention also relates to a method for producing such a prelaminate and an electronic card comprising such a prelaminate.