Memory Subsystem Seasoning Trim Optimization
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Solution Overview
Problem
Existing memory sub-system manufacturing processes face challenges in optimizing seasoning trim values across different form factors, leading to inefficiencies in manufacturing throughput and quality due to uniform seasoning processes that do not account for varying power and temperature constraints of different form factors.
Innovation Solution
A method is introduced to determine optimized seasoning trim values by generating tentative and final sets of trim values specific to each form factor through calibration, where initial sets of memory sub-systems are tested with modified trim values, and failure scanning is performed to adjust trim values until satisfactory seasoning cycles are achieved, ensuring no power-related or temperature-related failures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If uniform seasoning processes are applied across all form factors, then manufacturing simplicity is maintained, but manufacturing precision and quality deteriorate due to varying power and temperature constraints
Solution Approach 1:
The patent applies local quality by determining form factor-specific seasoning trim values tailored to each form factor's power and temperature constraints. Different trim values are assigned to different form factors (e.g., mobile phone vs. tablet) based on their specific characteristics, ensuring optimal seasoning quality for each without requiring complex manual adjustments.
Solution Approach 2:
The patent changes the seasoning parameters (trim values) based on form factor characteristics. The controller automatically adjusts power-related trim values and temperature-related trim values according to the detected form factor, transforming a uniform process into an adaptive one that maintains both simplicity and precision.
2Manufacturing precision
If form factor-specific trim values are determined through calibration, then manufacturing precision improves, but device complexity increases due to additional calibration requirements
Solution Approach 1:
The patent performs preliminary calibration to determine form factor-specific seasoning trim values before mass production. This preliminary action establishes lookup tables containing pre-determined trim values for different form factors, eliminating the need for complex real-time calculations during actual seasoning operations and reducing operational complexity.
Solution Approach 2:
The controller automatically detects the form factor and selects appropriate trim values from stored lookup tables without requiring manual intervention. The system serves itself by autonomously matching form factors with corresponding trim values, simplifying the calibration process while maintaining high precision.
3Ease of operation
If standardized seasoning processes are used, then ease of operation is maintained, but productivity decreases due to suboptimal seasoning durations for different form factors
Solution Approach 1:
The patent introduces dynamics by making the seasoning process adaptive to different form factors. The controller dynamically adjusts seasoning parameters including duration based on the detected form factor, allowing each form factor to receive optimized seasoning treatment. This dynamic adjustment improves productivity without complicating operator tasks.
Solution Approach 2:
The patent pre-determines optimal seasoning durations for different form factors during calibration and stores them in lookup tables. During production, the controller simply retrieves the appropriate duration based on form factor detection, maintaining ease of operation while achieving optimized productivity through form factor-specific timing.
4Productivity
If form factor-specific optimization is implemented, then productivity improves through optimized seasoning duration, but device complexity increases due to form factor detection and trim value selection requirements
Solution Approach 1:
The patent performs preliminary calibration to establish lookup tables containing form factor-specific trim values and seasoning durations before production. This pre-computation approach transfers complexity from the production control system to the calibration phase, allowing the production system to simply look up and apply pre-determined values, thereby improving productivity without significantly increasing operational complexity.
Solution Approach 2:
The patent creates simplified representations of form factor characteristics through lookup tables that store pre-determined trim values. Instead of implementing complex real-time analysis during production, the system uses these copied reference data structures to quickly match form factors with appropriate parameters, improving productivity while keeping the control system relatively simple.
Data Source
AI summary
A system and method for optimizing seasoning trim values based on form factors in memory sub-system manufacturing. An example method includes selecting a baseline set of trim values based on a set of memory sub-system form factors; generating a first modified set of trim values for seasoning operations by modifying a first trim value of the baseline trim values; causing each memory sub-system of a plurality of memory sub-systems to perform seasoning operations using the first modified set of trim values; responsive to determining that a memory sub-system of the plurality of memory sub-system failed to satisfy a predetermined criterion, determining whether the memory sub-system is extrinsically defective; responsive to determining that the memory sub-system is extrinsically defective, removing the extrinsically defective memory sub-system from the set of memory sub-systems; and generating a second modified set of trim values for seasoning operations.