Data Storage Base Dam Design for Motor Leakage Control
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Solution Overview
Problem
Traditional data storage systems face chemical leakage issues from motor assemblies, which can damage transducers and media, and existing solutions are either ineffective or cost-inefficient in reducing chemical presence.
Innovation Solution
A base design for data storage systems featuring a motor well, medium region, actuator region, and a dam with a uniform azimuthal spacing to minimize chemical leakage, including a motor well channel to further reduce chemical exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If the gap size between the motor and the base is reduced to reduce chemical leakage, then chemical leakage is reduced, but the device complexity increases and manufacturing becomes more difficult
Solution Approach 1:
The base is segmented into distinct functional regions: a motor well region to contain the motor assembly, a medium region for the storage medium, and an actuator region for positioning mechanisms. This segmentation allows chemical leakage to be contained within the motor well while maintaining simpler overall device structure and easier manufacturing of each separate region.
Solution Approach 2:
A dam structure is introduced as an intermediary element within the motor well region to block and contain chemical leakage. This dam acts as a mediator that prevents chemicals from escaping the motor well into other regions, solving the leakage problem without requiring complex sealing mechanisms or reduced gaps throughout the entire device.
2Object-generated harmful factors
If traditional methods are used to prevent chemical damage, then some protection is provided, but the cost efficiency deteriorates
Solution Approach 1:
By segmenting the base into a motor well region that isolates the motor assembly, the patent provides targeted protection against chemical damage only where needed. This approach is more cost-efficient than implementing comprehensive sealing or protective measures throughout the entire device, as it focuses resources on the specific source of chemical contamination.
Solution Approach 2:
The motor assembly is extracted and isolated within a dedicated motor well region, separating the source of chemical leakage from the sensitive components (transducers and medium). This extraction allows for simpler, more cost-effective protection strategies focused on containing chemicals at their source rather than protecting all components throughout the housing.
3Object-generated harmful factors
If the gap size is reduced to eliminate chemical presence, then chemical leakage is reduced, but the manufacturing precision requirements increase
Solution Approach 1:
The base is divided into a motor well region with defined boundaries, allowing chemicals to be contained within this segmented area without requiring precise gap control throughout the entire device. The medium region and actuator region are separated from the motor well, eliminating the need for high-precision manufacturing across all interfaces.
Solution Approach 2:
The dam structure serves as an intermediary barrier within the motor well that blocks chemical migration. This dam provides a straightforward manufacturing solution with clear dimensional requirements, avoiding the need for high-precision gap control between the motor and base while still effectively eliminating chemical presence in other regions.
Data Source
AI summary
A base for a data storage system is provided having an inner facing surface and an outer facing surface. The base includes a motor well. Formed with inner surface of facing surface of the base includes a medium region, an actuator region and a dam. The medium region is defined by a medium region planar surface surrounding a portion of the motor well, a leading surface and a trailing surface. The actuator region is defined by an actuator region planar surface that is recessed from the medium region planar surface, the leading surface, the trailing surface and a remaining portion of the motor well. The dam has a dam planar surface that surrounds the remaining portion of the motor well and is positioned on the actuator region planar surface between the leading surface and the trailing surface.