Electrical Connector Mating Interface for High-Density Signal Routing
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Solution Overview
Problem
Existing electrical connectors fail to meet the trend of high density, high signal speed, and small form factor in server applications, with existing technologies, the power and signal transmission.
Innovation Solution
The electrical connector assembly features an improved mating interface with a receptacle connector having multiple mating slots and terminals, and a plug connector with paddle cards, designed for efficient signal and power transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional connector designs are used, then the structure is simple, but the density and signal speed requirements for server applications cannot be met
Solution Approach 1:
The connector is divided into multiple independent mating slots (first mating slots for signals, second mating slots for power, third mating slot for ground) arranged in different directions. This segmentation allows each slot to be optimized independently for its specific function, enabling high-density signal transmission while maintaining structural organization and manageability.
Solution Approach 2:
The patent utilizes three-dimensional spatial arrangement by extending mating slots in multiple directions (first direction for signal slots, second direction for power slots). This multi-dimensional layout maximizes the use of available space, achieving high density without simply increasing planar area, thus meeting both density requirements and signal speed performance.
2Quantity of substance
If more terminals are added to meet high density requirements, then the transmission capacity increases, but the form factor increases
Solution Approach 1:
Multiple mating slots are nested within the insulating housing structure, with first mating slots extending in one direction and second mating slots extending in another direction. This nested arrangement allows a large number of terminals to be accommodated within a compact three-dimensional space, increasing terminal quantity without proportionally increasing the overall form factor.
3Reliability
If power and signal ports are separated, then the signal integrity is improved, but the manufacturing complexity increases
Solution Approach 1:
The connector separates power transmission and signal transmission into distinct mating slots (second mating slots for power, first mating slots for signals). This segmentation improves signal integrity by preventing interference between power and signal paths. The standardized slot designs and modular terminal structures maintain ease of manufacture despite the functional separation.
Data Source
AI summary
A receptacle electrical connector includes: an insulating housing having two first mating slots arranged parallel in a first direction, two second mating slots and one third mating slot, each of the two first mating slots extending in a second direction perpendicular to the first direction; and plural terminals retained in the insulating housing and comprising contacting portions extending into said mating slots, respectively, wherein the two second mating slots are aligned with each other in the first direction, each of the second mating slots is aligned with a corresponding first mating slot in the second direction, and the third mating slot is located at one side of the two second mating slots.