Millimeter-Wave Gas Cell Interposer for Precise Waveguide Alignment
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Solution Overview
Problem
Existing millimeter wave systems face challenges in efficiently aligning and testing atomic gas cells with transceivers due to complex and error-prone probing processes, leading to increased time and cost in achieving precise signal communication.
Innovation Solution
A compact millimeter wave system is designed with a substrate, transceiver, and a gas cell, utilizing waveguides and an interposer to establish a fixed alignment between the transceiver and gas cell, allowing for efficient wave communication and simplified testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If complex probing processes are used to align and test atomic gas cells with transceivers, then measurement precision can be achieved, but device complexity and time consumption increase significantly
Solution Approach 1:
The patent introduces an interposer as an intermediary component between the transceiver and gas cell. This interposer provides pre-defined waveguide interfaces that simplify the alignment process, acting as a mediator that translates complex positioning requirements into standardized mechanical interfaces, thereby reducing probing process complexity while maintaining alignment precision
Solution Approach 2:
The waveguides are pre-aligned and fixed to the interposer before the gas cell is installed. This preliminary alignment action eliminates the need for complex real-time probing during assembly, as the alignment geometry is predetermined and mechanically constrained, reducing both device complexity and testing time
2Measurement precision
If complex probing processes are used to align and test atomic gas cells with transceivers, then measurement precision can be achieved, but time consumption increases significantly
Solution Approach 1:
The waveguides are pre-aligned and fixed to the interposer before the gas cell is installed. This preliminary alignment action eliminates the need for complex real-time probing during assembly, as the alignment geometry is predetermined and mechanically constrained, reducing both device complexity and testing time
Solution Approach 2:
The system is segmented into distinct modular components (transceiver, interposer with waveguides, gas cell) that can be independently prepared and tested. This segmentation allows for pre-alignment of critical components and simplifies the final assembly process, reducing overall testing time while maintaining precision through modular verification
3Adaptability or versatility
If traditional alignment methods are used, then flexibility in positioning is maintained, but signal loss and cross-talk increase
Solution Approach 1:
The interposer serves as a mediator that provides mechanically precise waveguide interfaces, ensuring optimal signal coupling between components. This intermediary structure maintains positioning flexibility through standardized interfaces while minimizing signal loss through precision-machined waveguide geometries that reduce misalignment and radiation losses
Solution Approach 2:
The waveguide dimensions and geometries are precisely controlled within the interposer to optimize signal transmission parameters. By changing the physical parameters of the waveguide structure (dimensions, material properties, coupling geometry), the system achieves minimal signal loss and cross-talk while maintaining adaptability through standardized interface designs
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
The system enables quick and accurate alignment of the gas cell with the transceiver, reducing complexity and time in testing, while minimizing signal loss and cross-talk, thus enhancing the efficiency of millimeter wave communication.
Implementation Method 1
a first waveguide affixed relative to the substrate, the first waveguide having a first end coupled to the transceiver and a portion, along a first dimension, having a second end proximate a first portion of the gas cell
Data Source
AI summary
In some examples, an apparatus comprises a substrate, an interposer mechanically coupled to the substrate, a gas cell on at least part of the interposer, and a plate on the gas cell and mechanically coupled to the interposer. Some examples of the apparatus are configured to be millimeter wave devices.