Diaphragm Flexure Series-Parallel Arrangement for Angular Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing nanomanufacturing techniques, such as micro-hot-embossing, face challenges in achieving precise angular alignment and positioning due to pitch and roll misalignments, leading to non-uniform feature dimensions and flow rate variations in microfluidic devices, which are critical for applications like controlled drug delivery.
Innovation Solution
A flexure-based mechanism with a diaphragm flexure arrangement in a series, parallel, or hybrid configuration is designed to manage load-capacity while achieving adequate vertical and angular range, utilizing a double-parallelogram flexure configuration to enhance deflection and angular alignment without friction or backlash.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single diaphragm flexure is used, then the structure is simple, but the load capacity and range are limited
Solution Approach 1:
The flexure system is divided into multiple diaphragm flexures arranged in series, parallel, or hybrid configurations. Each diaphragm flexure acts as an independent segment that contributes to the overall load capacity and range, allowing the system to handle higher loads and achieve larger deflection ranges while maintaining individual component simplicity.
Solution Approach 2:
Multiple diaphragm flexures are combined in series, parallel, or hybrid configurations to achieve the desired load capacity and range. The series arrangement increases range, while parallel arrangement increases load capacity, and hybrid configurations provide both benefits, merging the advantages of different arrangements.
2Device complexity
If a single diaphragm flexure is used, then the structure is simple, but the vertical and angular range are insufficient
Solution Approach 1:
The flexure system is segmented into multiple diaphragm flexures that work together to extend the vertical and angular range. Each segment contributes to the total range of motion, allowing the system to achieve adequate vertical and angular deflection without requiring an overly complex single-component design.
Solution Approach 2:
The diaphragm flexures are arranged in three-dimensional configurations (series, parallel, or hybrid) to extend the range of motion in multiple directions. This spatial arrangement enables the system to achieve adequate vertical and angular range by utilizing different dimensions of movement.
3Productivity
If pitch and roll angular misalignment occurs, then the stamping process is simple, but the feature dimension uniformity deteriorates
Solution Approach 1:
The diaphragm flexure arrangement provides dynamic angular alignment capabilities that allow the system to compensate for pitch and roll misalignments during the stamping process. The flexures can adaptively adjust the angular position of the sample or tool, maintaining feature dimension uniformity even when coarse misalignments are present.
Solution Approach 2:
The system changes angular parameters (pitch and roll angles) dynamically through the flexure mechanism to compensate for misalignments. By adjusting these angular parameters, the system maintains optimal alignment between the tool and sample, ensuring uniform feature dimensions across the stamped pattern.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides precise vertical guidance and angular alignment, significantly reducing errors and increasing the range of travel, thereby ensuring consistent feature dimensions and flow rates in microfluidic devices, addressing the limitations of existing designs.
Implementation Method 1
a flexure-based mechanism with a diaphragm flexure arrangement in a series, parallel, or hybrid configuration so as to manage load-capacity while achieving adequate vertical and angular range
Data Source
AI summary
A stamping structure for imprinting micro-sized features is provided. The stamping structure includes a flexure arrangement having one or more diaphragm flexures arranged in a series or parallel or hybrid configuration so as to manage load-capacity while still achieving adequate vertical and angular range of a sample supported on the one or more diaphragm flexures.