Metal Fusion Soldering

In highly demanding industrial or military applications, traditional O-rings or organic adhesives are often the weakest link in the system.

Have you ever experienced a connector failing in a high-concentration "salt spray" or "hydrochloric acid" environment because the seal chemically degraded, causing internal leakage? Or perhaps during extreme thermal cycling, differing coefficients of thermal expansion caused micro-cracks at the junction, leading to a catastrophic "hermetic failure"?

When your application scenario permits absolutely zero molecular-level penetration, relying solely on physical compression waterproofing is far from enough.

CHIN NAN’s "Metal Fusion Soldering" technology is not just a simple plug; it utilizes metal mediums such as solder and silver alloys to seamlessly weld and fuse the connector components with the main body:

• Molecular-Level Permanent Sealing: Through a precision Soldering/Welding process, the joints are transformed into a continuous metallic structure. Because we fuse the metals at a molecular level, it provides exceptional internal and external waterproofing, achieving a vacuum-grade Hermetic Seal. This completely blocks the penetration of seawater, corrosive liquids, and gases.
• 18GHz Peak Electrical Performance: Metal fusion eliminates the impedance discontinuities typically introduced by non-metallic mediums. Combined with CHIN NAN’s precise electromagnetic simulation, we ensure that even under Pro-level high protection, the transmission frequency remains stable up to 18GHz, maintaining excellent return loss performance.
• Resilience in Extreme Environments: Operating effectively within a temperature range of -65°C to 165°C, the metal weld points exhibit exceptional resistance to mechanical stress and vibration. Even under severe thermal shock, structural integrity remains perfectly uncompromised.

Technical Note:

This technology is often used independently or in conjunction with "Glass Bead Sealing." For example, a glass seal can first secure the insulation and hermeticity between the center pin and the body, followed by metal welding to permanently affix that assembly to the main connector housing, forming an ultimate "double-insurance" protection.

This technology is specifically designed for Pro-level applications demanding "permanent protection" and "high mechanical reliability":

• Military Communications & Radar Systems: Deployed in field and polar environments, it withstands long-term climate erosion and severe vibrations, ensuring communication links are never severed by seal failure.
• Deep-Sea & Liquid-Tight Equipment: Facing high-pressure seawater, the metal fusion can endure extreme external pressure, preventing liquid from being forced into the equipment through the structural seams.
• Petrochemical & Semiconductor Manufacturing: For pipeline monitoring involving "hydrochloric acid" or corrosive gases, metal solder joints provide the most chemically stable barrier, protecting internal precision sensor components.

CHIN NAN brings decades of accumulated RF craftsmanship. We deeply understand that "stability" is the ultimate luxury for an engineer. Through our metal fusion soldering technology, we elevate connector reliability to an entirely new dimension.

• Ultimate Process Integration: We can simultaneously handle the complex procedures of both "Glass Sealing" and "Metal Welding," providing you with a one-stop hermetic component solution and eliminating the tolerance risks of multi-factory processing.
• Cross-Brand System Optimization: CHIN NAN can custom-design welding seal paths based on your existing system architecture, helping your products seamlessly upgrade to Pro-level waterproof standards regardless of the original mating brand.
• Solving Deep-Rooted Technical Pain Points: We don't just sell parts; we assist you in overcoming signal integrity challenges in extreme environments. Choosing CHIN NAN means choosing an artisan partner who will solve your "micro-leakage" dilemmas alongside you.