Recent Progress in the Preparation Technologies for Micro Metal Coils.

Area of Science:

• Materials Science
• Electrical Engineering
• Mechanical Engineering

Background:

• Micro metal coils are crucial components in miniaturized electromagnetic devices like micro-transformers and wearable sensors.
• Increasing demand for smaller, lighter, and higher-performance components drives research in micro coil fabrication.

Purpose of the Study:

• To review the structural types and characteristics of micro metal coils.
• To summarize preparation materials and manufacturing technologies for micro metal coils.
• To identify future challenges and opportunities in micro coil research and applications.

Main Methods:

• Discussion of planar and three-dimensional micro coil structures.
• Summary of preparation materials and fabrication techniques.
• Analysis of micro-fabrication, MEMS, and printing processes.

Main Results:

• Micro-fabrication enables smaller, lighter, and higher-performance micro metal coils.
• Diverse structural types (planar, 3D) and preparation methods exist.
• Ongoing research addresses challenges in miniaturization and integration.

Conclusions:

• Micro metal coils are vital for advanced electronics and the Internet of Things (IoT).
• Further research in fabrication technologies will enhance performance and expand applications.
• Opportunities exist in developing novel materials and manufacturing processes for micro coils.