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Published on: June 23, 2022
Microfluidic package design for magnetoresistive biosensors.
Mark C Tondra1, Ron L Bardell, Proyag Datta
1Diagnostic Biosensors, LLC, 1712 Brook Ave. SE, Minneapolis, MN 55414, USA. Mark@DioagnosticBiosensors.com
Summary
Magnetoresistive biosensor technology needs adapted semiconductor packaging for wider use. This study presents materials and methods for scalable biosensor fabrication compatible with standard processes.
Area of Science:
- Biomedical Engineering
- Materials Science
- Electrical Engineering
Background:
- Magnetoresistive biosensors offer significant potential for clinical and consumer applications.
- Widespread adoption is hindered by technical challenges, particularly in integrating fabrication with standard semiconductor packaging.
Purpose of the Study:
- To address the technical issue of adapting standard semiconductor packaging processes for biosensor fabrication.
- To present a viable materials and interconnection strategy for biosensor manufacturing.
Main Methods:
- Investigated and selected specific materials compatible with biosensor fabrication constraints.
- Developed interconnection methods suitable for integrating biosensor components within semiconductor packaging frameworks.
- Designed an architecture amenable to both laboratory assembly and scaled manufacturing.
Main Results:
- A set of materials and interconnection methods were identified that satisfy biosensor fabrication requirements.
- The proposed architecture is compatible with existing laboratory assembly techniques.
- The design supports scalability to small and medium manufacturing volumes through optimized area utilization.
Conclusions:
- Successful adaptation of semiconductor packaging processes is crucial for mainstream magnetoresistive biosensor commercialization.
- The presented materials, interconnections, and architecture provide a pathway for scalable biosensor manufacturing.
- This work facilitates the transition of magnetoresistive biosensor technology from research to practical, high-volume applications.
