Flat Cable Assembly with Integrated Grounding and Planar Insulation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing flat cable assemblies suffer from poor EMI shielding and a complex manufacturing process due to the separation of grounding wires and signal cables.
Innovation Solution
The integration of grounding wires within each cable, with an insulating film that does not protrude outward, simplifying the manufacturing process and enhancing EMI shielding and signal transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If grounding wires are separated from signal cables and secured by protrusions on insulating layers, then the cable structure provides EMI shielding, but the manufacturing process becomes more complicated
Solution Approach 1:
The patent merges the grounding wire and signal cable into a single integrated cable structure. Each cable contains both signal wires and grounding wires arranged in a specific pattern (signal wires in the center, grounding wires on both sides), eliminating the need for separate grounding wires and protrusions. This integration simplifies the manufacturing process while maintaining EMI shielding effectiveness through the close proximity of grounding wires to signal wires.
2Ease of operation
If grounding wires are separated from signal cables with protrusions for securing, then the cable structure can be assembled, but the lateral sides of insulating layers must extend outward increasing device complexity
Solution Approach 1:
The patent combines grounding wires and signal cables into integrated units, eliminating the need for protrusions on insulating layers. The insulating layers only need to insulate between adjacent integrated cables, resulting in a cleaner, more compact structure without lateral extensions.
Solution Approach 2:
The patent extracts and removes the protrusion structures from the insulating layers. By integrating grounding wires within each cable, the protrusions used for securing grounding wires become unnecessary, simplifying the insulating layer structure and reducing device complexity.
3Stability of the object's composition
If protrusions are added to insulating layers for securing grounding wires, then grounding wires can be fixed, but the manufacturing process becomes more complicated
Solution Approach 1:
The patent integrates grounding wires and signal cables into single cable units with predetermined positioning. The grounding wires are arranged in specific locations within each integrated cable (on both sides of the signal wires), providing stable positioning without requiring additional protrusions on insulating layers.
Data Source
AI summary
The application discloses a flat cable assembly, which includes a plurality of cables and an insulating film. The cables are arranged in a row and have a center line. The plurality of cables respectively have a first connecting portion and a second connecting portion symmetrically disposed with the first connecting portion, a signal wire and a grounding wire. The first connection portion is located on one side of the center line, and the second connection portion is located on the other side of the center line. The insulating film is provided on the first connection portion and the second connection portion of any one of the plurality cables. The two sides of the insulating film do not protrude outward from the two outermost cables, and the two surfaces of the insulating film in the direction perpendicular to the center line are planes.