Comparison ledger
Heller 1826, Varian 0332 F 9453 302 Diffusion, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 1826Heller | |
|---|---|---|
| OEM | Heller | Varian |
| Category | Thermal / Diffusion | Thermal / Diffusion |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | 2012 | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Heller 1826 | Varian 0332 F 9453 302 Diffusion |
| Cited variants |
| — |
| Specifications | ||
| Model | 1826 MK7 Reflow Oven System[2] | — |
| Type | High volume reflow oven system[2] | — |
| Heated zones | 8 heated zones[2] | — |
| Belt speed | Up to 1.88 m/min[2] | — |
| Oven length | 465 cm (183 in)[2] | — |
| Process gas options | Air, Nitrogen[2] | — |
| Heating arrangement | Convection: 10 Top / 10 Bottom[2] | — |
| Heated length | 360 cm (142 in)[2] | — |
| Cool zones | 2 Top (Bottom Option)[2] | — |
| Max working temperature | Standard: 350°C; Option: 400°C[2] | — |
| Maximum PCB width | 55.9 cm (22 in)[2] | — |
| Features | Built-in thermal monitoring, nitrogen capable to < 100 ppm, energy management system, virtually no maintenance, 12 in wide heater modules[2] | — |
| Thermal monitoring | Built-in Thermal Monitoring[2] | — |
| Nitrogen capability | Nitrogen capable to < 100 ppm[2] | — |
| Energy management | Energy Management System[2] | — |
| Maintenance | Virtually no maintenance[2] | — |
| Heater modules | 12 in wide heater modules[2] | — |
| Cleanroom option | Down to Class 1000[2] | — |
| Asset Number | — | 142841[3] |
| Last Confirm Date | — | October 14, 2025[4] |
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