Hierarchical Micro Assembler Electrode Array
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The challenge in micro assembly of semiconductor devices lies in the high computational data requirements for electrode arrays, increased manufacturing costs due to the need for expensive processes, and limitations in voltage usage as electrode density increases, making it impractical to scale up the production of high-density electrode arrays effectively.
Innovation Solution
The implementation of an electrode array with a first zone of low resolution and a second zone of high resolution, where electrodes in the low resolution zone are spaced farther apart for coarse positioning and orientation, and closer together in the high resolution zone for precise placement, reducing computational data needs and allowing for less expensive manufacturing and higher voltage usage without failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If electrode density is increased to improve positioning precision, then manufacturing precision is improved, but computational data requirements increase and manufacturing costs increase
Solution Approach 1:
The electrode array is divided into multiple zones with different electrode densities. High-density zones provide precise positioning where needed, while low-density zones reduce computational load and manufacturing complexity in areas where high precision is not required. This segmentation allows the system to achieve overall high positioning precision without uniformly increasing complexity across the entire array.
Solution Approach 2:
Different regions of the electrode array are assigned different electrode densities based on local positioning requirements. Areas requiring high precision have densely spaced electrodes, while other areas use sparser electrode spacing. This local quality approach optimizes the balance between positioning precision and computational complexity by matching electrode density to actual operational needs in each region.
2Manufacturing precision
If electrode density is increased to improve positioning precision, then manufacturing precision is improved, but manufacturing costs increase
Solution Approach 1:
The electrode array is segmented into zones with varying electrode densities, allowing expensive high-density manufacturing only where precision is critical. Low-density zones use simpler, less costly manufacturing processes. This segmentation significantly reduces overall manufacturing costs while maintaining high positioning precision in areas where it is most needed.
Solution Approach 2:
Manufacturing resources are allocated based on local precision requirements. High-precision manufacturing techniques are applied only to zones where they provide value, while other zones use cost-effective manufacturing methods. This local quality approach optimizes the cost-precision tradeoff by avoiding unnecessary expenditure on high-density electrodes in areas where they are not required.
3Manufacturing precision
If electrode density is increased to improve positioning precision, then manufacturing precision is improved, but voltage usage is limited
Solution Approach 1:
The electrode array is divided into zones with different electrode densities and voltage capabilities. Low-density zones can operate at higher voltages without risk of breakdown, providing sufficient force for positioning. High-density zones use lower voltages appropriate for their finer electrode spacing. This segmentation allows the system to maintain high positioning precision across all zones while avoiding voltage limitations that would constrain high-density regions.
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
This approach decreases the computational load, lowers manufacturing costs, and enables the use of higher voltages, making it feasible to produce electrode arrays on a larger scale while maintaining precise positioning and orientation of micro objects.
Implementation Method 1
Xerographic micro assembly is a method of fabricating devices using xerographic like, electrostatic force based directed assembly techniques to assemble functional micro objects to complex device structure
Implementation Method 2
An electric field pattern may be applied to the electrode array that attracts the mobile micro objects
Data Source
AI summary
A method of manufacturing and using micro assembler systems are described. A method of manufacturing includes disposing a first plurality of electrodes above a first zone of the substrate, wherein the first plurality of electrodes has a first range of spacing. The method further includes disposing a second plurality of electrodes above a second zone of the substrate, wherein the second plurality of electrodes has a second range of spacing that is less than the first range of spacing. A method of using micro assembler systems includes disposing a mobile particle at least partially submersed in an assembly medium above a substrate, a first plurality of electrodes and a second plurality of electrodes. The method further includes conducting a field through individual electrodes of the first plurality of electrodes and the second plurality of electrodes to generate electrophoretic forces or dielectrophoretic forces on the mobile particle.