3D Electromagnetic Element Arrays for Near-Field Control
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Solution Overview
Problem
Integrated circuits operating in millimeter- and sub-millimeter wave regions face challenges in controlling electromagnetic near- and far-fields due to wavelength constraints, leading to inefficiencies and limited versatility in antenna design, as traditional planar structures restrict the manipulation of electromagnetic boundary conditions.
Innovation Solution
Three-dimensional electromagnetic element arrays are constructed by stacking substrates with integrated planar circuits, allowing electromagnetic elements to be buried within a bulk resonator, which provides additional degrees of freedom to control near- and far-field patterns, enhancing efficiency, directionality, and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional planar structures are used for integrated circuits, then manufacturing simplicity is maintained, but electromagnetic field control capability deteriorates
Solution Approach 1:
The patent transitions from traditional two-dimensional planar electromagnetic element arrangements to three-dimensional configurations by stacking multiple substrates vertically. This dimensional change enables electromagnetic elements to be positioned at different heights and depths within a bulk resonator, providing additional spatial degrees of freedom for manipulating electromagnetic near- and far-fields while maintaining compatibility with standard integrated circuit manufacturing processes through modular substrate stacking
2Device complexity
If electromagnetic elements are constrained to a thin planar region, then device complexity is reduced, but efficiency and versatility deteriorate
Solution Approach 1:
By distributing electromagnetic elements throughout a three-dimensional volume rather than confining them to a thin planar region, the patent enables more effective manipulation of electromagnetic boundary conditions. Elements positioned at different vertical locations can constructively interfere to enhance radiation efficiency while the modular substrate structure maintains manageable device complexity
Solution Approach 2:
The patent embeds multiple electromagnetic elements within a bulk resonator structure, where elements on different substrates are nested vertically within the resonator volume. This nesting approach allows efficient use of the resonator space while maintaining clear structural organization through the layered substrate configuration
3Ease of operation
If planar electromagnetic element arrays are used, then ease of operation is maintained, but near- and far-field manipulation capability deteriorates
Solution Approach 1:
The three-dimensional arrangement of electromagnetic elements on stacked substrates provides additional spatial degrees of freedom for controlling near- and far-field patterns. Elements at different vertical positions can be independently controlled to achieve complex field manipulation tasks while maintaining operational simplicity through electronic control of element states
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
This approach enables more efficient and versatile manipulation of electromagnetic fields, improving antenna performance by allowing radiation and reception with low passive loss, broader frequency operation, and better control over impedance, thereby enhancing the functionality of integrated systems.
Implementation Method 1
Three dimensional electromagnetic element arrays can be configured to manipulate the electromagnetic near-field in a more efficient, versatile and broadband fashion within integrated circuits and systems
Data Source
AI summary
Systems and methods for constructing integrated three dimensional electromagnetic element arrays using a bulk resonator are illustrated. In several embodiments, the integrated three dimensional electromagnetic element arrays include electromagnetic elements buried within the bulk resonator. In many embodiments, inclusion of a third dimension in the electromagnetic element array can alleviate or eliminate the trade-offs that are experienced in conventional integrated antennas by using the third physical dimension to provide an additional degree of freedom to manipulate electromagnetic boundary conditions in the near-field of the substrate, affecting both the resulting electromagnetic near- and far-fields. In several embodiments, three dimensional electromagnetic element arrays are formed by mechanically stacking substrates on which integrated planar circuits are formed (i.e. chips) using conventional die stacking techniques.