Vacuum compatible infrared heater

Fri, 17 Jul 2026 07:56:41 +0800

Stoping the Nightmare: Keeping Your Wafers Clean When Heaters Fail

In a high-load semiconductor setup, a lamp blowing out is more than just a annoying bit of downtime. It’s a disaster. If a quartz tube bursts inside your vacuum chamber, you’re not just dealing with a broken part—you’re dealing with glass shards and outgassing everywhere. Your wafers are contaminated, and your day is ruined. We built our vacuum infrared heaters specifically to stop that from happening. Keeping the mess contained We start with high-purity synthetic quartz because it can take the heat of rapid cycling without cracking. But we don’t just trust the glass. We add a protective containment sleeve. Think of it as a safety net. If the internal filament fails and the tube cracks, the sleeve catches the debris. It keeps the shards from flying across the chamber. Instead of a full-chamber scrub and a massive hit to your yield, you just deal with a failed lamp. Managing the heat (and the stress) When you’re running at high power, those seals take a beating. To stop vacuum leaks where the heater meets the hardware, we use reinforced end-caps. We also use gold-coated reflectors. These push the IR energy exactly where it needs to go—toward the wafer—and keep it away from the chamber walls. It keeps the surrounding gear cool, which just makes everything last longer. One quick tip: please, stick to our voltage specs. It’s tempting to over-volt the lamp to get a bit more heat, but that’s a shortcut to a blowout. You’ll kill the filament life and end up right back where we started. The honest trade-off Here’s the thing. Adding that containment sleeve means there’s an extra layer of material between the heat source and your target. Because of that, you lose a tiny bit of IR transmission compared to a bare lamp. You might need to nudge the power up or move the heater a bit closer to the wafer to keep your ramp rates where they need to be. It’s a small price to pay. You give up a sliver of raw efficiency to make sure a single broken tube doesn’t wipe out your entire batch.

Compatible on High-Quality Quartz Emitters

Vacuum compatible infrared heater

Stoping the Nightmare: Keeping Your Wafers Clean When Heaters Fail