X-ray Diffraction Labeling for Orientation-Independent Identification
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Solution Overview
Problem
Existing technologies for uniquely labeling or identifying items, such as bar codes, electronic microchips, and fluorescence, often fail to provide enough distinct codes, are too large, require specific alignment, or cannot withstand harsh environments.
Innovation Solution
The use of optical identification elements with embedded materials that produce an encoded composite X-ray diffraction pattern, allowing for a large number of distinct codes that are readable independent of orientation and can withstand harsh environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If existing labeling technologies (bar codes, electronic microchips, fluorescence) are used, then identification capability is provided, but the number of distinct codes is insufficient
Solution Approach 1:
The identification code is segmented into multiple binary digits (bits), where each bit corresponds to the presence or absence of a specific material in the optical identification element. This segmentation allows for exponential growth in the number of distinct codes (2^n where n is the number of materials), resolving the contradiction between code quantity and identification capability.
Solution Approach 2:
The patent uses composite materials consisting of multiple distinct substances embedded in a binder material. Each material has a unique X-ray diffraction pattern, and by combining different materials in specific configurations, a vast number of distinct diffraction patterns can be generated, providing millions of distinct codes while maintaining identification capability.
2Volume of moving object
If existing labeling technologies are used, then identification is possible, but the label size is too large
Solution Approach 1:
The patent changes the physical parameters of the labeling system by using X-ray diffraction patterns instead of visible light or electronic signals. This allows for compact labeling elements that can be made very small while still providing sufficient distinct codes through the combinatorial arrangement of materials with different diffraction properties.
Solution Approach 2:
The patent transitions from two-dimensional bar codes to a three-dimensional arrangement of materials within the optical identification element. By utilizing spatial arrangement in three dimensions and the angular distribution of diffraction patterns, the system achieves high code capacity in a compact volume.
3Ease of operation
If existing labeling technologies are used, then identification can be performed, but specific alignment of particles to the detector is required
Solution Approach 1:
The patent employs Debye-Scherrer diffraction geometry where the detector captures diffraction patterns in a curved or spherical arrangement around the sample. This geometry inherently provides rotational invariance, meaning the diffraction pattern remains consistent regardless of the sample's orientation, thereby eliminating alignment requirements while maintaining measurement precision.
Solution Approach 2:
The patent replaces mechanical alignment systems with a diffraction-based detection system that is inherently insensitive to orientation. Instead of requiring precise mechanical positioning of particles relative to the detector, the system uses the physical phenomenon of X-ray diffraction to provide orientation-independent identification.
4Reliability
If existing labeling technologies are used, then identification is possible, but they cannot withstand harsh environments
Solution Approach 1:
The patent changes the physical state and properties of the labeling materials by using inorganic materials with high melting points and chemical stability that can withstand harsh environments including extreme temperatures, pressure, and chemical exposure, while maintaining their X-ray diffraction properties for identification.
Solution Approach 2:
The patent uses composite materials where robust inorganic substances are embedded in a binder material, creating a structure that combines the environmental resistance of inorganic materials with the structural integrity needed to maintain the diffraction pattern under harsh conditions, thereby preserving both reliability and identification capability.
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 solution enables the creation of a labeling technique that provides a high number of unique codes, is compact, and remains readable regardless of orientation, while being resilient to harsh conditions, making it suitable for various applications.
Implementation Method 1
The one or more materials provide an encoded composite X-ray diffraction pattern when illuminated by an X-ray beam
Implementation Method 2
identifying at least a portion of Debye-Scherrer diffraction patterns in the composite X-ray diffraction pattern
Data Source
AI summary
An optical identification element for identifying an item. The optical identification element includes a binder material and one or more materials embedded in the binder material. The one or more materials provides an encoded composite X-ray diffraction pattern when illuminated by an X-ray beam. The encoded composite X-ray diffraction pattern is indicative of the item.