Twin-Axial Cable Connector Vertical Stacking
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Solution Overview
Problem
Conventional socket connectors in electronic systems face challenges in achieving high-speed electrical performance due to signal degradation from long signal paths and limited surface area for conductors, leading to reduced electrical performance and increased size.
Innovation Solution
A cable connector assembly with twin-axial cables and a contact holder design that includes perpendicular signal contacts and ground shielding, allowing direct connection to electronic packages and host circuit boards, reducing signal path lengths and increasing conductor density.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional socket connectors are used with long signal paths through the host circuit board, then the electrical connection between electronic package and host circuit board is achieved, but signal degradation occurs and electrical performance is reduced
Solution Approach 1:
The patent transitions from planar routing through the circuit board to a three-dimensional vertical stacking architecture. Multiple cable connectors are stacked vertically with direct connections between layers, eliminating the need for long horizontal traces through the host circuit board. This dimensional change reduces signal path length while maintaining electrical connectivity.
Solution Approach 2:
The patent divides the electrical connection system into multiple independent cable connector units stacked vertically. Each cable connector handles specific high-speed signals directly, segmenting the signal paths from the general-purpose host circuit board traces. This segmentation allows optimized, shorter signal paths for high-speed communications.
2Quantity of substance
If the footprint of the socket connector is increased to accommodate all electrical paths, then more conductors can be included, but the space on the circuit board increases
Solution Approach 1:
The patent moves from a two-dimensional planar layout to a three-dimensional vertical stacking configuration. Multiple cable connectors are arranged vertically, allowing numerous conductors to be packed into a compact footprint by utilizing the vertical dimension. This increases conductor density without expanding the board area.
Solution Approach 2:
The patent implements a nested vertical stack where multiple cable connectors are positioned one above another, sharing the same horizontal footprint. Each connector in the stack is nested within the vertical space occupied by others, maximizing conductor capacity within a minimal board area.
3Adaptability or versatility
If multiple electrical interfaces are used between electronic package and host circuit board, then signal routing flexibility is improved, but electrical performance is reduced due to additional interfaces
Solution Approach 1:
The patent segments high-speed signals into dedicated cable connectors with direct point-to-point connections, separating them from the multi-interface host circuit board path. This segmentation eliminates unnecessary intermediate interfaces for high-speed signals while maintaining routing flexibility through the vertical stack configuration.
4Ease of operation
If signal paths are routed along the host circuit board to remote electrical components, then connectivity is achieved, but signal degradation occurs along long paths
Solution Approach 1:
The patent uses vertical stacking to create direct three-dimensional connections between cable connectors, replacing long horizontal signal paths through the host circuit board. This dimensional change dramatically reduces signal path length and maintains signal quality while achieving connectivity.
Data Source
AI summary
A cable connector includes a twin-axial cable having a first conductor and a second conductor within a core of the cable. The cable connector includes first and second signal contacts including cable terminals terminated to the conductors and substrate terminals generally perpendicular to the cable terminals and terminated to a substrate. The cable connector includes a contact holder having a body encasing portions of the first and second signal contacts. The contact holder has a front and a rear, and a top and a bottom. The cable terminals are arranged proximate to the rear for termination to the cable. The cable extends from the rear of the contact holder. The substrate terminals are exposed at the bottom for termination to the substrate.