2D Code Label Tracking for Semiconductor Chamber Cleaning Cycles
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Solution Overview
Problem
The accurate tracking of cleaning cycles for semiconductor process chamber parts is often inaccurate due to miscommunication, loss of data, and misrepresentation, leading to potential warranty issues and performance impacts.
Innovation Solution
A method involving a modified matrix 2D code label with embedded features that change based on treatment, allowing for optical inspection or machine learning to determine cleaning cycles, using materials like silicon, silicon carbide, and stainless steel, with error correction capabilities to prevent misreading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional data tracking methods are used to monitor cleaning cycles, then initial implementation is simple, but accuracy and reliability of tracking deteriorate due to miscommunication and data loss
Solution Approach 1:
The matrix 2D code label serves itself by embedding physical features that automatically record cleaning cycle information. The label undergoes dimensional changes during cleaning that inherently track the number of cycles without requiring external data collection systems or human intervention, eliminating data loss from communication failures.
Solution Approach 2:
The patent replaces electronic data tracking systems with a physical feature-based tracking mechanism. The matrix 2D code label incorporates physical features that change dimensionally during cleaning cycles, allowing tracking through optical inspection rather than electronic data transmission, thereby eliminating data loss from digital communication failures.
2Measurement precision
If external data tracking systems are implemented, then initial tracking capability is established, but complexity and cost increase without ensuring accurate tracking
Solution Approach 1:
The patent extracts the tracking function from complex external data systems and embeds it directly into the matrix 2D code label itself. The label contains embedded physical features that inherently track cleaning cycles, eliminating the need for separate tracking infrastructure and reducing system complexity while maintaining measurement precision.
Solution Approach 2:
The matrix 2D code label performs multiple functions: it serves as the identification code, the tracking mechanism, and the data storage medium all in one component. This multi-functionality eliminates the need for separate tracking systems, reducing overall device complexity while ensuring accurate cleaning cycle measurement.
3Extent of automation
If features are embedded into matrix 2D code label to track cleaning cycles, then tracking capability is integrated, but risk of misreading code information increases
Solution Approach 1:
The patent applies local quality by embedding tracking features at specific locations within the matrix 2D code label structure. These features are strategically positioned to undergo dimensional changes during cleaning while maintaining code readability, allowing automatic tracking without compromising code information integrity.
Solution Approach 2:
The matrix 2D code label incorporates error correction capabilities and robust feature embedding before cleaning cycles begin. This pre-prepared structure cushions against potential misreading by ensuring features remain detectable and distinguishable even after dimensional changes from cleaning, maintaining both automation and code accuracy.
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
Enhances tracking accuracy by visually or technologically inspecting the modified 2D code label to determine cleaning cycles, reducing costs and time by eliminating the need for external information, and ensuring part performance and authenticity.
Implementation Method 1
The features may be etched, laser-etched, milled, or otherwise formed into the matrix 2D code label or the part.
Implementation Method 2
The features may be etched, laser-etched, milled, or otherwise formed into the matrix 2D code label or the part.
Implementation Method 3
optically inspecting the modified matrix 2D code label to determine changes to the feature
Implementation Method 4
optically inspecting the modified matrix 2D code label which includes reviewing the modified matrix 2D code label with a naked eye, an optical microscope, or a metrology tool
Data Source
AI summary
A method for tracking of a semiconductor chamber part uses a matrix two-dimensional (2D) code label embedded with a tracking feature. In some embodiments, the method may include selecting a feature to embed into the matrix 2D code label to create a modified matrix 2D code label where the feature does not cause misreading of information from the matrix 2D code label when embedded into the matrix 2D code label and where the feature is configured to change based on treatment of the semiconductor chamber part, forming the modified matrix 2D code label into the semiconductor chamber part, optically inspecting the modified matrix 2D code label to determine changes to the feature, and analyzing the changes to the feature to determine a number of cleaning cycles undergone by the semiconductor chamber part based, at least in part, on the changes to the feature.