Lid Frame Gap Design for Substrate Container Cleaning
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Solution Overview
Problem
The existing substrate storing containers face issues with insufficient cleaning power, remaining cleaning liquid, and insufficient drying between the opposite faces of the frame portion and the frame portion retaining portion due to a small gap that prevents effective infiltration and escape of cleaning liquids.
Innovation Solution
The substrate storing container design includes a lid body with a frame portion retaining portion and a frame portion that features a first convex portion and an engaging portion, allowing for a larger gap between the faces for easier cleaning liquid infiltration and escape, thereby preventing issues like insufficient cleaning power and drying.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the frame portion is inserted into the frame portion retaining portion with opposite faces in substantially face contact, then the structural stability and retention strength are improved, but the cleaning liquid infiltration and escape are hindered due to very small gap
Solution Approach 1:
The frame portion is divided into multiple segments along its length, with each segment capable of independent elastic deformation. This segmentation allows the frame to compress elastically during insertion, creating sufficient gap between opposite faces for cleaning liquid infiltration, while still maintaining overall structural integrity and retention strength
Solution Approach 2:
The frame portion is designed with elastic properties that allow dynamic change in the gap size between opposite faces. During insertion, the frame compresses to create larger gap for cleaning accessibility, while in the retained state it maintains sufficient compression for structural stability. The elastic modulus and geometric parameters are optimized to achieve both requirements
2Reliability
If the gap between opposite faces is made very small for secure retention, then the frame portion retaining portion can firmly hold the frame portion, but cleaning liquid cannot effectively infiltrate or escape from between the opposite faces
Solution Approach 1:
The frame portion is designed as a dynamic structure that changes its gap configuration based on operational phase. During assembly, the frame is inserted in a compressed state creating smaller gap for reliable retention. During cleaning operations, the elastic frame can be temporarily deformed to increase gap size, allowing cleaning liquid infiltration and escape while maintaining retention reliability
3Stability of the object's composition
If the frame portion and frame portion retaining portion are in face contact for structural stability, then the assembly is mechanically strong, but cleaning liquid infiltration and drying are insufficient due to limited gap space
Solution Approach 1:
The frame portion is designed with a porous or mesh-like structure that allows cleaning liquid to penetrate through the material itself, not just through the gap between faces. This porous structure maintains structural stability while enabling effective cleaning liquid infiltration and escape, preventing cleaning insufficiency even when gap size is limited
Data Source
AI summary
This board storing container is provided with a container body, a lid 3, and a lid-side board support unit 7 which, when the lid 3 closes a container body opening, is arranged in the part of the lid 3 opposite of the board storage space and which can support the edge of multiple boards. The lid-side board support unit 7 is provided with a lid-side board receiving unit which receives the edge of a board when supporting the board, and a frame part 71 held on the inner surface of the lid 3 and having a first surface 711 facing the inner surface of the lid 3 and a second surface 712 opposite of the first surface 711. The lid 3 is provided with a frame holding unit 35 for holding the frame 71 in an inserted state, and comprises a third surface 353 opposite of the first surface 711 and a fourth surface 354 opposite of the second surface 712. The lid-side board support unit 7 further is provided with a first protrusion 76 which, on the first surface 711 of the frame part 71, protrudes towards the third surface 353, and is provided with an engagement part 75 which, on the second surface 712 of the frame part 71, engages with the frame holding unit 35 in a state in which the frame part 71 is inserted.