Localized Thermal Signatures for Non-Altering Object Tracking
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Solution Overview
Problem
Existing methods for tracking objects in manufacturing processes require physical alterations that are perceptible and add complexity to the production process, necessitating a need for non-destructive, non-altering tracking solutions.
Innovation Solution
Applying a thermal signature to objects by heating specific areas to temperatures higher than the manufacturing process specifications, ensuring the signature remains detectable throughout the process without altering the object's appearance or properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If physical marking methods (colors, stamps, engravings) are used to track parts, then tracking capability is improved, but the appearance and properties of the part are altered
Solution Approach 1:
The patent applies temporary thermal marking by changing the temperature parameter of specific regions on the part. Thermal signatures are created by heating or cooling localized areas to temperatures above or below the normal operating range, allowing tracking without permanent physical alteration. The thermal state is temporary and reversible, maintaining the part's original appearance and properties after the marking period expires.
Solution Approach 2:
The patent replaces traditional mechanical marking methods (stamps, engravings, physical labels) with a thermal field-based marking system. Instead of using mechanical force to alter the part physically, the system uses controlled thermal fields to create detectable temperature patterns that serve as tracking signatures, eliminating the need for permanent physical modifications.
2Use of energy by stationary object
If thermal signatures are applied at temperatures close to manufacturing specifications, then energy consumption is reduced, but the thermal signature may not be clearly isolated from unmarked regions
Solution Approach 1:
The patent applies thermal signatures at localized regions with temperatures significantly different from both the ambient manufacturing environment and the normal operating temperature. By creating sharp thermal contrasts in specific areas rather than uniform heating, the system ensures clear isolation of marked regions from unmarked regions, improving detectability while concentrating energy usage only where needed for tracking.
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
Enables traceability of objects through manufacturing processes without changing their appearance or properties, allowing flexible and efficient tracking with high-resolution thermal signatures.
Implementation Method 1
applying heating each of one or more surfaces of the object using a direct contact, or contactless, heat source
Implementation Method 2
heat dissipation occurring as the object progresses through the process pathway
Implementation Method 3
heat dissipation occurring as the object progresses through the process pathway
Data Source
AI summary
Disclosed is a method of recording tracking information on an object, for tracking a progress of the object through a manufacturing process. The method includes obtaining one or more temperature specifications associated with the manufacturing process. The method includes applying a thermal signature to the object representing the tracking information. The thermal signature includes one or more coverage areas having a temperature that is greater than the one or more temperature specifications associated with the manufacturing process.