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Simulation and fabrication of micro magnetometer using flip-chip bonding technique

Tengku Azmi, Tengku Muhammad Afif and Sulaiman, Nadzril (2019) Simulation and fabrication of micro magnetometer using flip-chip bonding technique. In: 5th International Conference on Computational Science and Technology (ICCST 2018), 29th-30th August 2018, Kota Kinabalu, Sabah.

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Magnetic field detection has been widely accepted in many applications such as military systems, outer space exploration and even in medical diagnosis and treatment. Low magnetic field detection is particularly important in tracking of magnetic markers in digestive tracks or blood vessels. The presence of magnetic fields’ strength and direction can be detected by a device known as magnetometer. A magnetometer that is durable, room temperature operation and having non-movable components is chooses for this project. Traditional magnetometer tends to be bulky that hinders its inclusion into micro-scaled environment. This concern has brought the magnetometer into the trend of device miniaturization. Miniaturized magnetometer is usually fabricated using conventional microfabrication method particularly surface micromachining in which micro structures are built level by level starting from the surface of substrates upwards until completion of final structure. Although the miniaturization of magnetometer has been widely researched and studied, the process however is not. Thus, the process governing the fabrication technique is studied in this paper. Conventional method of fabrication is known as surface micromachining. Besides time consuming, this method requires many consecutive steps in fabrication process and careful alignment of patterns on every layer which increase the complexity. Hence, studies are done to improve time consuming and reliability of the microfabrication process. The objective of this research includes designing micro scale magnetometer and complete device fabrication processes. A micro-scale search coil magnetometer of 15 windings with 600μm thickness of wire and 300μm distance between each wire has been designed. © Springer Nature Singapore Pte Ltd. 2019.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 4129/72399
Uncontrolled Keywords: Magnetometer, microfabrication, miniaturization, micro-scale
Subjects: T Technology > TS Manufactures
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Depositing User: Nadzril Sulaiman
Date Deposited: 29 May 2019 16:22
Last Modified: 29 May 2019 16:22
URI: http://irep.iium.edu.my/id/eprint/72399

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