Induction soldering fiber optic cable with high frequency induction heating units
Objective To heat a gold-plated ferrule and fiber optic cable to 475°F within 8 seconds for a soldering application
Material Gold-plated ferrule tube, fiber optic cable, solder preform
Temperature 475 ºF
Frequency 270 kHz
Equipment DW-UHF-4.5kW power supply with a specially designed induction coil.
Process A specially designed, two-turn plate concentrator coil was used to provide uniform heat to the fiber optic assembly. The assembly was placed in a specially designed fixture, then placed inside the induction coil. RF power was applied until the solder flowed and created a solid joint.
Results Consistent and repeatable results were achieved using the DW-UHF-4.5kW power supply and induction coil with a 5 to 7 second heat cycle, depending on the type of solder used (see solder chart below).
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