BTU is a leading supplier of convection reflow ovens used in electronics assembly and advanced packaging applications — including 2.5D and 3D technologies used in AI chip packaging
BTU’s reflow ovens, both the Aurora and Pyramax product lines, are recognized globally as performance leaders for the most demanding thermal applications.
BTU’s reflow ovens deliver industry-leading thermal performance for SMT and advanced packaging. From ultra-thin substrates to heavy server boards, our solutions offer unmatched process control, repeatability, and total cost-of-ownership advantages for high-volume manufacturers.
Trusted by electronics, automotive, and semiconductor manufacturers worldwide.
Better
Pyramax and Aurora reflow ovens beat the competition in thermal uniformity, repeatability and exit temperature - even at higher throughput.
In printed circuit board assembly, surface mount technology SMT reflow is performed by Pyramax and Aurora convection reflow ovens — known worldwide as the performance leaders. With closed loop convection control the Pyramax and Aurora reflow ovens offer the utmost in process repeatability, board-to-board, oven-to-oven and line-to-line. For semiconductor packaging, BTU offers nitrogen processing using the Pyramax and Aurora convection reflow ovens with astounding atmosphere purity with O2 levels as low as 2ppm above source in the peak zones.
Apples to Apples, BTU Delivers More
Watch how BTU’s reflow performance outpaces the competition—on speed, temperature control, and thermal uniformity. In this real-world test, both systems run the same profile at the same speed. BTU exits cooler, cleaner, and more consistent.
Then we push it further: 30% faster—and BTU still outperforms.
Watch the Comparison
When everything is riding on your reflow oven, BTU finishes strong.
Aurora Reflow Oven
Aurora is BTU’s next-generation reflow oven, engineered for precision, flexibility, and performance in advanced packaging and high-density applications—including thin substrates and heavy board assemblies.
Pyramax Reflow Oven
BTU’s Pyramax reflow ovens set the standard for high-throughput, precision thermal processing in SMT and advanced packaging, delivering unmatched thermal performance, versatility, and value with closed-loop control trusted by manufacturers worldwide.
Pyramax TrueFlat Reflow Oven
Eliminate Warpage. Reduce Voids. Improve Yield.
The Pyramax TrueFlat reflow oven is the industry-leading solution for ultra-thin substrates, delivering unmatched flatness control to eliminate warpage and die tilt—outperforming conventional reflow ovens in advanced packaging applications.
Pyramax Vacuum Reflow Oven
Pyramax Vacuum delivers high-performance, high-volume reflow soldering with advanced void reduction technology—ideal for power semiconductors, automotive electronics, and other demanding packaging applications.
Pyramax ZeroTurn Dual Chamber Reflow Oven
The Pyramax ZeroTurn Dual Chamber reflow oven enables rapid recipe switching and unmatched throughput with its dual-lane, dual-chamber design—ideal for high-mix, high-volume production environments.
Aquascrub Flux Management
AquaScrub is BTU’s eco-friendly, closed-loop flux management system that reduces emissions and operating costs while maximizing uptime and extending maintenance intervals.
Optimized for Your Application
No matter your process or production challenges, BTU reflow ovens are engineered to deliver peak performance in a wide range of demanding environments. From delicate ultra-thin substrates to high-mass server boards, our solutions are tailored to your application.
Achieve flatness, eliminate warpage, and reduce die tilt. TrueFlat™ is purpose-built for advanced packaging lines handling ultra-thin substrates where planarity is critical to yield.
When voiding is not an option, the Pyramax Vacuum delivers. Ideal for power semiconductors and automotive electronics, it combines high-volume performance with advanced void-reduction capability.
Switch recipes instantly with he ZeroTurn dual-lane, dual-chamber reflow designed for high-mix environments. Minimize downtime, boost throughput, and run with ultimate flexibility.
Compare Models
BTU’s ovens and furnaces are the industry's process and productivity leaders and have over ten thousand installations.
| Feature / Model | Aurora | Pyramax | Pyramax Vacuum | Pyramax TrueFlat | Pyramax ZeroTurn |
|---|---|---|---|---|---|
| Thermal Performance | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ |
| High-Volume Production | ✅ | ✅ | ✅ | ✅ | ✅ |
| Void Reduction | — | — | ✅ Vacuum Chamber | — | — |
| Ultra-Thin Substrates | — | — | — | ✅ TrueFlat Technology | — |
| Heavy Board Capability | ✅ | ✅ | ✅ | ✅ | ✅ |
| Dual Lane / Dual Chamber | — | — | — | — | ✅ Instant Recipe Switching |
| Best for SMT | ✅ | ✅ | ✅ | — | ✅ |
| Best for Advanced Packaging | ✅ | ✅ | ✅ | ✅ | — |
| Energy Efficiency | EnergyPilot™SmartPower™ | EnergyPilot™SmartPower™ | EnergyPilot™SmartPower™ | EnergyPilot™SmartPower™ | EnergyPilot™SmartPower™ |
| Unique Features | Advanced design & UIConfigurable Heating & Cooling | Proven reliability | Vacuum void reduction | Warpage elimination | High-mix flexibility |
| Environmental Friendliness | AquaScrub Flux Management | AquaScrub Flux Management | AquaScrub Flux Management | AquaScrub Flux Management | AquaScrub Flux Management |
BTU is committed to helping manufacturers achieve their production and sustainability goals. By optimizing energy use, minimizing waste, and reducing downtime, our technologies support a lower total cost of ownership and a smaller environmental footprint.
From global OEMs to local contract manufacturers, BTU customers are leveraging these innovations to reduce costs and meet corporate sustainability targets. In many cases, budget is already allocated for energy and environmental improvements—making upgrades both good business and good citizenship.
Whether you're trying to improve your bottom line—or meet aggressive ESG targets—BTU’s platform of smart features makes it easy to do both.
Reduce running costs and energy waste.
Our EnergyPilot software automatically lowers power and process gas consumption during production gaps—cutting operating costs while maintaining peak performance. It’s an easy way to improve sustainability without sacrificing throughput.
Lower peak energy demand. Run smarter.
Smart Power dynamically limits your oven’s total power draw, reducing the connected load and helping you meet facility-level energy caps. It enables faster start-up and response—even when operating under power restrictions.
Efficient flux management with less waste.
Aqua Scrub neutralizes flux residue using a closed-loop, aqueous-based system—reducing emissions and maintenance while extending uptime. It supports a cleaner process with lower water usage and fewer disposables.
Reflow Oven Resources
IN THE NEWS
