Nov.14,2025
Introduction
As a global provider of biometric solutions, Miaxis offers advanced fingerprint scanners that power secure and reliable identity verification technology. Among the most widely adopted are optical fingerprint scanners and capacitive fingerprint scanners. Understanding the differences between these two technologies is key to choosing the right solution for different applications.
How They Work
Optical Fingerprint Scanners
These scanners use light and imaging sensors to capture the fingerprint pattern. The system processes the image, extracts ridge features, and compares them with stored templates to verify identity.
Capacitive Fingerprint Scanners
These scanners rely on electrical charge differences caused by the ridges and valleys of a fingerprint. The captured capacitance map produces a highly detailed fingerprint image, offering higher accuracy and stronger resistance to spoofing.
Advantages and Limitations
| Feature | Optical Fingerprint Scanners | Capacitive Fingerprint Scanners |
| Cost | Cost-effective, suitable for entry-level systems. | Higher cost due to advanced sensing technology. |
| Form Factor | Bulkier, requiring optical components. | Compact, ideal for smartphones and laptops. |
| Accuracy | Can be affected by dirt, moisture, or strong light. | More accurate and stable across various conditions. |
| Security | Easier to spoof with high-quality images. | Better anti-spoofing performance with liveness detection. |
| Durability | Glass surface can scratch or wear over time. | More robust for high-frequency and commercial use. |
Applications
Optical scanners: Budget-sensitive deployments such as schools, time attendance devices, and standard access control systems.
Capacitive scanners: High-security applications including smartphones, banking, government ID programs, and enterprise access management.
Miaxis provides both optical fingerprint scanners and capacitive fingerprint scanners, ensuring customers can select the most suitable solution for their security and usability needs.
Conclusion
Both optical and capacitive fingerprint scanners bring unique strengths to biometric authentication. The choice depends on priorities such as cost, accuracy, security, and deployment environment. With extensive expertise in fingerprint scanners, Miaxis helps customers implement secure, efficient, and scalable identity verification solutions across industries.
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