Stainless steel heater housing fab

Tue, 14 Jul 2026 10:54:08 +0800

Why We Use Gold-Coated Reflectors to Stop Wasting Power

In the world of semiconductor wafer processing, letting wattage leak is basically a design flaw. Now, polished stainless steel does a decent job of reflecting IR radiation, but “decent” doesn’t cut it when you’re chasing precise, high-density heat on a wafer. That’s why we go with gold-coated housings. We’re essentially stopping the energy from soaking into the machine chassis and forcing it right back where it belongs: on the target. The logic behind the gold It’s not about making the machine look fancy. We use gold because it’s a beast at reflecting infrared. Aluminum or steel will always let some heat seep into the walls. Gold doesn’t. By applying a high-purity gold layer to the inside of the heater housing, we create a focused energy cavity. It means every single watt you pull from the power supply actually does its job. Building for the heat We start with stainless steel for the housing because you need that structural backbone when things start heating up and cooling down. Then, we use vacuum deposition to lay down the gold. It keeps the thickness perfectly uniform. The result? You get a much tighter thermal profile and your ramp-up times get a lot faster. One heads-up, though: gold is a bit picky. If you’re working with corrosive gases or a lot of particulates, the coating can pit or start to peel. If your environment is that harsh, just throw a protective quartz shield in the specs. Putting it all together Once you wire these high-reflectivity systems up, you’ll notice something immediately. The housing stays cooler. Since the heat is being pushed forward instead of being absorbed by the metal, your mounting brackets aren’t under nearly as much thermal stress. Just a tip on the software side:**re-tune your PID controllers.**Because the system is so much more efficient, the old settings will probably cause you to overshoot your target temperature. Give them a tweak and you’re good to go.

Stainless on Pro Quartz Infrared Heating

Stainless steel heater housing fab

Why We Use Gold-Coated Reflectors to Stop Wasting Power