PCO 520
A Pressure Curing Oven (PCO)—also known as an autoclave—minimizes voiding and improves adhesion strength during bonding processes such as die attach and underfill.
The system pressurizes air in a rigid chamber and utilizes forced convection for heating and cooling.
Key thermal components—heaters, heat exchangers, and blowers—are fully integrated inside the pressure vessel.
Upon completion, the unit automatically releases pressure to 1 atm and cools.
Building on our innovations in SMT solder reflow, including full-convection technology and efficient nitrogen usage, we now offer a complete family of custom pressure curing and reflow ovens designed for a wide range of pressure-based applications.
Heller provides multiple pressure curing oven models with various chamber sizes suitable for R&D environments and high-volume production, with optional cleanroom and automation configurations.
These systems maintain constant chamber pressure while heated air (or nitrogen) circulates through a convection heater module. The high-reliability fan motor moves heated air continuously across the pressure chamber to deliver uniform thermal processing.
An optional vacuum pump can be added to improve void removal. Vacuum is applied at the beginning of the curing cycle to eliminate larger voids, while smaller voids are removed later under pressure. Using both vacuum and pressure can help achieve shorter cycle times.
✔ Typical process time: 120 min or per user spec
✔ Operating temperature: 60°C – 200°C
✔ Max temperature: 220°C
✔ Operating pressure: 1 – 10 bar
✔ Capacity: 24 magazines (typical)
✔ Cooling method: PCW (17°C – 23°C)
✔ Cooling water pressure: 25 – 40 psi
✔ Composite Forming for the printing industry
✔ Die Attach Curing
✔ Wafer Laminating
✔ Thermal Compress Bonding
✔ Underfill Curing
✔ Via Filling
✔ Film & Tape Bonding
| Feature | PCO 520 |
|---|---|
| Oven Size (mm) | 2,200[L] x 1,700[W] x 1,700[H] |
| Chamber Usable Area (mm) | 716.5[L] x 608[W] x 440[H] |
| Max Operating Pressure | 10 Bar (145 psi) |
| Max Operating Temperature | 200° C |
| Typical Capacity | 24 Magazines |
| Nitrogen Enabled | (option) |
| Up to Cleanroom Class 100 | (option) |
| Vacuum down to 10 Torr | (option) |
| Loading Type | Manual Loading |
This product video introduces PCO Series by summarizing its general working principle and typical application scenarios.
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