Did you know? In the world of optical transceivers, there's a subtle yet crucial role: the gold finger. Don't underestimate these glittering golden contacts at the end of an optical module; each one carries the weight of a "bridge for data transmission." When an optical module is inserted into a device, the gold finger engages directly with the connector, ensuring reliable transmission of electrical signals.the gold finger is small, it has become a reliable guarantee for data transmission due to the unique properties of pure gold, and its three major features make it stand out.

Chemical Stability: The Evergreen of Metals

Data centers operate in extremely harsh environments, characterized by humidity, high temperatures, and significant electromagnetic interference. Ordinary metals often struggle to withstand such conditions, oxidizing and rusting in just a few weeks, leading to signal interruptions.

In contrast, the gold finger made of pure gold seems to have the protection ability of a "golden bell". Even in such a harsh environment, it can maintain a smooth surface for decades and always transmit signals stably. It has never failed due to oxidation problems , which makes the gold finger a key component to ensure the reliability of signal transmission in precision electronic equipment such as data centers.

Remarkable Wear Resistance: The Master of Insertion and Removal

Optical modules are frequently plugged and unplugged during routine maintenance and equipment upgrades. Don't assume pure gold, being soft, won't withstand the abuse; its wear resistance is beyond imagination. Simulation tests have shown that the gold fingers can easily withstand thousands, even tens of thousands, of plugging and unplugging operations with only minor surface wear and remaining conductive, ensuring the optical module remains reliable for long-term use.

Exceptional Conductivity, the Stable "Transmission Officer"

Among many metals, gold ranks highly in electrical conductivity, second only to silver and copper . However, silver is too delicate and easily oxidizes, making it difficult to perform stably in the operating environment of optical modules. Pure gold, however, perfectly solves this problem, enabling high-speed data transmission at rates of tens or even hundreds of gigabits per second while ensuring near-zero transmission loss, making it a powerful tool for stable data transmission.

The gold fingers of optical modules embody the essence of "golden quality" with these three characteristics: corrosion resistance, wear resistance, high conductivity, and long life. These qualities demonstrate that true core technology lies in these inconspicuous yet incredibly reliable details.

About ETU-LINK

ETU-Link Technology Co., Ltd., founded in 2014, is a high-tech enterprise specializing in the research, development, production, and sales of optical communication components. With high-speed optical modules as its core product, the company specializes in serving the fiber optic communication markets, including telecommunications, data communications, and storage.