Rotating Assembly for Microstructure Fabrication
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Solution Overview
Problem
Current methods for fabricating micro structures face challenges such as medication delivery inefficiencies, pain and damage from conventional needle administration, and limitations in micro structure aspect ratio and yield due to high temperature processing and complex mold fabrication processes.
Innovation Solution
A rotation assembly that uses a viscous composition and centrifugal force to form micro structures without a separate mold, excluding processes that may break medication or beauty ingredients, and includes a fluid communication unit and support members to control the hardening process and aspect ratio.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a mold is used to fabricate micro structures, then the shape and dimensions can be precisely controlled, but material loss occurs during separation from the mold
Solution Approach 1:
The patent extracts the micro structure directly from the rotating viscous composition without using a mold. The centrifugal force naturally forms the micro structure shape, and the structure is released by simply stopping rotation, eliminating material loss associated with mold separation while maintaining precise dimensional control through rotational parameters.
Solution Approach 2:
The viscous composition itself serves as the forming medium through its rotational behavior. The material's own viscosity and rotational dynamics create the micro structure shape, eliminating the need for external mold intervention and subsequent separation processes that cause material loss.
2Productivity
If high temperature processing is used to harden the viscous composition, then the hardening speed increases, but medication or beauty ingredients may be damaged
Solution Approach 1:
The patent changes the hardening parameter from temperature to time-controlled centrifugal action. By adjusting rotation speed and duration, the viscous composition hardens into micro structures without exposing temperature-sensitive medications or beauty ingredients to damaging high temperatures, thereby maintaining both productivity and ingredient integrity.
Solution Approach 2:
The patent converts the potentially harmful effect of prolonged hardening into a benefit by using controlled centrifugal force instead of heat. The extended time-based hardening process under centrifugal influence achieves solidification without thermal damage, turning what could be a productivity drawback into a quality advantage.
3Manufacturing precision
If complex mold fabrication processes are used, then micro structure precision can be achieved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent removes the mold entirely from the fabrication process. Instead of creating precise molds and undergoing complex separation procedures, the micro structures are directly formed through controlled rotation of the viscous composition, dramatically simplifying device complexity while maintaining manufacturing precision through rotational parameter control.
Solution Approach 2:
The patent replaces the complex mechanical mold system with a simpler rotational mechanical field. The centrifugal force generated by rotation naturally defines the micro structure geometry, eliminating the need for精密 mold fabrication and complex mechanical separation mechanisms.
4Productivity
If conventional needle administration is used for medication transfer, then medication delivery effectiveness improves, but pain and local skin damage occur
Solution Approach 1:
The patent changes the physical parameter of medication delivery from sharp needle penetration to micro structure formation through rotation. The resulting micro structures provide effective medication transfer through their geometry and material properties without the painful and damaging needle puncture, maintaining delivery efficiency while eliminating harmful effects.
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 rotation assembly effectively fabricates micro structures with sufficient diameter and length, excludes damaging processes, and increases yield by controlling the hardening time and aspect ratio, while ensuring stability and safety through reduced air resistance and precise uniformity.
Implementation Method 1
when the rotation body is rotated, the viscous composition is outward extended in a radial direction of the rotation shaft
Implementation Method 2
the extended viscous composition is hardened through the fluid communication unit to form a micro structure
Data Source
AI summary
Provided is a rotating assembly. The rotating assembly is for forming a microstructure, and comprises: a rotating body rotatable about a rotary shaft; a first support member installed on the rotating body so as to be spaced apart from the rotational shaft and having a predetermined viscous composition disposed on an outer surface thereof; and a fluid communicating portion for communicating the inside and the outside of the rotating body, wherein when the rotating body rotates, the viscous composition is pulled in a radially outward direction of the rotary shaft, and the pulled viscous composition is cured through the fluid communicating portion, thereby forming a microstructure.