Today, with the widespread adoption of smartphones and smart door locks, the security and reliability of fingerprint recognition technology continue to face fundamental challenges. Traditional chips often use organic material substrates, which are prone to wear and tear, susceptible to signal interference, and suffer from a sharp drop in recognition rates in humid or extreme environments, in addition to high production costs. These issues not only impact the daily experience of hundreds of millions of users but also hinder the further adoption of the technology in high-security applications such as financial payments and identity verification. The industry is calling for a thorough revolution starting from the very foundation of materials.
In response to these challenges, Xingqihang has unveiled its fourth-generation glass-substrate fingerprint chip, developed entirely in-house. This is not merely a routine upgrade, but a “groundbreaking revolution in substrate materials.” As the first domestic breakthrough to successfully apply glass substrates to live fingerprint recognition and achieve mass production, this product has single-handedly filled a critical gap in China’s high-end fingerprint chip sector.
Compared to traditional industry solutions, this cutting-edge technology delivers a quantum leap in performance:
The true strength of glass-based fingerprint chips lies in their inherent durability, which stems from fundamental innovations at the physical level.
1. Reliability: Exceptionally Long Service Life and Strong Environmental Adaptability
Glass substrates offer significantly higher hardness and wear resistance than the organic or silicon-based materials commonly found on the market. Their performance remains virtually unchanged over long-term use, fundamentally resolving the issue of declining recognition rates caused by sensor wear. At the same time, the thermal stability and chemical inertness of glass ensure signal stability across a wide temperature range and in complex hand environments (such as sweat and oil), guaranteeing reliable recognition in all scenarios.
2. Cost of Ownership: Superior Long-Term Economic Benefits
The extremely low failure rate and exceptionally long service life of glass-based solutions significantly reduce maintenance, replacement costs, and quality risks throughout the product’s entire lifecycle. In the long term, its total cost of ownership offers significant advantages.
In short, glass-based technology elevates fingerprint recognition from a “functional module” that may degrade with use to a durable, reliable “hardware foundation” within the device.
3. Security: A Solid Foundation from Physical Defense to Biometric Authentication
The glass substrate provides an ideal and stable signal acquisition platform for high-precision liveness detection algorithms. Its surface properties and electrical stability enable the chip to capture biometric signals unique to live fingers (such as blood flow and skin electrical characteristics) with greater sensitivity and accuracy. This fundamentally enhances resistance to fake fingerprint attacks using materials like gel, tape, modeling clay, or metal, elevating security to the level required for financial payments.
The emergence of the glass-based fingerprint chip marks a milestone breakthrough for China in the core hardware domain of biometrics. It is not merely a product; it charts the course for the next generation of fingerprint recognition technology across the entire industry—one that is more robust, secure, and reliable. This original technology, rooted in the substrate itself, is infusing smart devices with a trustworthy “soul” and ushering in a new “Glass Era” for fingerprint recognition.