Memory Module Test Tray Automation for Compact Multi-Tier Layout
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Solution Overview
Problem
Conventional system level test devices for memory modules are inefficient due to manual handling and space constraints, leading to prolonged testing times and suboptimal space utilization.
Innovation Solution
A system level test device featuring a handler, test tray, transfer unit, and press to automate the mounting and testing of multiple memory modules on a motherboard, allowing for simultaneous testing and minimizing manual intervention and space requirements through a compact, multi-tiered layout.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual handling is used to insert memory modules into motherboard sockets, then the device structure is simple, but the processing speed is slow and space utilization is inefficient
Solution Approach 1:
The test device is divided into multiple independent test cells, each capable of handling memory modules separately. This segmentation allows parallel processing of multiple modules simultaneously, significantly improving productivity while maintaining manageable complexity through modular design
Solution Approach 2:
The press automatically presses memory modules onto the test tray without manual intervention, and the transfer unit automatically moves trays between test cells and the handler. This automation eliminates slow manual operations while the modular architecture keeps the overall system complexity controlled
2Area of stationary object
If multiple test units are arranged in a single layer, then the device structure is simple, but the space utilization is poor
Solution Approach 1:
Test cells are arranged in multiple vertical tiers instead of a single horizontal layer. This three-dimensional arrangement dramatically improves space utilization by using vertical space, while the modular tiered structure maintains relative simplicity through standardized stacking of test cell units
3Productivity
If memory modules are tested one by one, then the testing process is simple to manage, but the overall testing time is prolonged
Solution Approach 1:
The system divides testing into multiple independent test cells that operate in parallel, each handling one or more memory modules simultaneously. This segmented parallel processing dramatically reduces total testing time compared to sequential testing, while each individual test cell remains simple and manageable
Solution Approach 2:
Multiple test cells are configured with identical or similar structures, allowing them to perform the same testing function simultaneously on different memory modules. This universal design enables parallel processing to improve productivity while keeping each test cell's complexity low and standardized
Data Source
AI summary
A memory module system level tester device provides contact between the motherboard and the memory modules by using a test tray, thereby minimizing a time required for attaching and detaching the memory modules and omitting an additional configuration for attaching and detaching the memory modules. Accordingly, space limitations can be minimized, and as a result, test units can be arranged in two or more stages in the vertical direction to configure a compact layout to thereby increase space efficiency.