Curved Substrate Support Frame for Flexible Interconnect Protection
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Solution Overview
Problem
Flexible substrates used in miniaturized storage devices are vulnerable to external impacts and prone to damage due to their bendable nature, which can lead to bending in reverse directions and warpage.
Innovation Solution
A substrate support frame with a curved portion that matches the curvature of the flexible substrate and fastening holes positioned adjacent to the substrate to prevent bending and warpage, along with fixing and supporting members to secure the module substrates, is used to protect the flexible substrate from external impacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a flexible substrate is used to facilitate miniaturization, then the storage device can be miniaturized, but the flexible substrate becomes vulnerable to external impacts and prone to damage
Solution Approach 1:
The support frame incorporates a curved portion at the specific location where the flexible substrate is positioned, providing localized structural support that matches the substrate's curvature. This local quality enhancement protects the vulnerable flexible substrate area without affecting the overall miniaturized design of the storage device.
Solution Approach 2:
The support frame acts as an intermediary structure between the flexible substrate and external impacts. The curved portion specifically mediates the interaction by providing a protective barrier that absorbs and distributes impact forces, preventing direct damage to the flexible substrate while maintaining the miniaturized form factor.
2Volume of moving object
If the flexible substrate is made bendable to facilitate miniaturization, then the storage device can be miniaturized, but the flexible substrate may bend in reverse directions causing warpage
Solution Approach 1:
The support frame features a curved portion with a curvature radius substantially the same as that of the flexible substrate. This curvature matching provides structural guidance that maintains the substrate's intended bent shape, preventing reverse bending and warpage while enabling the miniaturized storage device design.
Solution Approach 2:
The curved portion's radius of curvature is specifically designed to match the flexible substrate's curvature parameter. This parameter alignment creates a stable geometric relationship that constrains the substrate to maintain its intended shape, preventing warpage while preserving the compact form factor.
Data Source
AI summary
A substrate support frame includes a body having an upper surface for supporting a first module substrate and a lower surface for supporting a second module substrate, and including a plurality of extending portions that define a cavity for receiving semiconductor devices mounted on first and second module substrates, a curved portion protruding outwardly from a first one of the extending portions of the body corresponding to a position of a flexible substrate that electrically connects the first and second module substrates to each other, the curved portion having a curved sectional shape protruding toward the flexible substrate, and a fastening hole penetrating through the first one of the extending portions of the body and configured to receive a screw to couple the body to at least one of the first and second module substrates.