Dielectric Matrix Blocks for Low-Loss Magneto-Dielectric Materials
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Solution Overview
Problem
Existing artificial magneto-dielectric materials exhibit high electro-magnetic losses and non-homogeneity due to conductive particle clustering, limiting their use in applications like electromagnetic lenses and antennas, which require low loss and uniformity.
Innovation Solution
The development of dielectric and magnetic-dielectric materials comprising basic units with conductive or magnetic sheets embedded in a random orientation within a matrix, preventing sheet contact and enhancing isotropic and homogeneous properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conductive particles are mixed in a polymer matrix in random orientation, then the material can be manufactured easily, but conductive clusters form causing high electro-magnetic losses and non-homogeneity
Solution Approach 1:
The conductive material is segmented from continuous random particles into discrete planar units with controlled geometry. Each unit contains conductive elements arranged in a planar configuration that prevents clustering while maintaining manufacturability through structured design rather than random mixing.
Solution Approach 2:
The conductive elements are arranged with specific local quality characteristics - planar geometry with controlled orientation and spacing within each unit. This local structure prevents the formation of conductive clusters while maintaining ease of manufacture through standardized unit design.
2Ease of manufacture
If conductive particles are mixed in a polymer matrix in random orientation, then the material can be manufactured easily, but the material exhibits non-homogeneity
Solution Approach 1:
The material is segmented into discrete planar units with uniform structure and composition. Each unit is manufactured as a standardized component, ensuring homogeneity across the entire material while maintaining ease of manufacture through modular assembly.
Solution Approach 2:
Each planar unit exhibits consistent local quality with controlled conductive element arrangement, spacing, and orientation. This uniform local structure throughout the material ensures overall homogeneity while allowing for easy manufacturing of standardized units.
3Device complexity
If one-dimensional wires are used in dielectric material units, then the structure is simple, but dielectric permittivity is limited requiring large numbers of units
Solution Approach 1:
The conductive elements are transitioned from one-dimensional wires to two-dimensional planar structures. This dimensional change increases dielectric permittivity by providing greater conductive surface area within each unit, reducing the total number of units needed while maintaining manageable structural complexity.
4Stability of the object's composition
If sheets of conductive material are embedded in random orientation in a matrix, then isotropic and homogeneous properties are enhanced, but manufacturing complexity increases
Solution Approach 1:
The material is segmented into discrete planar units that can be randomly oriented in a matrix. This segmentation enables isotropic and homogeneous properties through random distribution while keeping individual units structurally simple and easy to manufacture.
Solution Approach 2:
The orientation parameter of the conductive sheets is changed from controlled alignment to random orientation within the matrix. This parameter change enhances isotropic and homogeneous properties while the standardized unit design keeps manufacturing complexity manageable.
Data Source
AI summary
Materials that exhibit magneto-dielectric effects with high local order in the form of distinct basic units with a defined geometry that provides orientation and spacing that prevents contact between conductive components of a basic unit are disclosed. Use of multiple basic units arranged, for example by embedment, in essentially random orientation relative to one another provides a composite material with magneto-dielectric effects that isotropic and homogeneous. Such basic units are readily manufacturable using conventional techniques.