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Quick look at: SRO-i-Line


Our all-new and groundbreaking SRO-i-Line is a high volume production tool used for vacuum reflow soldering. Implementing this tool within the ATV single chamber approach will help to fulfil all your current and future demands. Since 1982 ATV‘s single chamber approach has proven equally successful in the R&D and pilot line production market.

With more than 550 devices in use worldwide ATV is ready to step into high volume production with its brand-new SRO-i-Line. This system can easily be upgraded from the basic one process chamber version to three process chambers all within the same footprint. Each chamber is individually programmable to perform its own process. This allows for the most flexible solution within your production. 

The SRO-i-Line comes standard with formic acid bubblers and auto refill assembly. This in combination with the standard equipped vacuum pump guarantees the best reflow soldering results compared to any other standard equipment in the market. Formic acid together with vacuum results in significant void reduction over the full reflow soldering area as well as the entire product load.

With the new generation of flux based solder pastes requiring a very low oxygen content to be present during the process run, the SRO-i-Line has embedded this capability as a standard application to achieve a process environment in the sub-ppm range with minimal nitrogen consumption. Thanks to its flexible design the SRO-i-Line can be tailored to your specific requirements – Manual Loading (ML), Cassette to Cassette (CTC) or directly placed into your automated production line (CB). 


Facts SRO-i-Line

Technical information and figures

Technical Data SRO-i-Line

depending on system configuration


1.825 x 1.820 x 2.415.5mm (Up to 3 individual Process Chambers)



1.000kg (1 Process Chamber, minimum configuration) up to 1.500kg (3 Process Chambers, maximum configuration)

Hot Plate:    

410 x 440mm (1 Hot Plate/Process Chamber)

IR Heating:    

Assy of 18 IR lamps (1KVA each)

Power connection:    

3Ph-N-PE 230/400V, 50/60 Hz

Peak Power: 20 KW (1 Process Chamber),  58 KW (3 Process Chambers)

Common Applications SRO-i-Line

depending on system configuration



Power Semiconductors


MEMS Devices

DIE Attachment

High Power LED

Hybrid Assembly

Flip Chip

Package Sealing

Features SRO-i-Line

depending on system configuration/optionals


High Throughput

Short cycle times

Vacuum level 10¯² mbar

Formic Acid 

Process temperature up to 450°C

Temperature ramp-up rate 3K/sec.

Temperature cool-down rate 2K/sec.

Excellent temperature uniformity 

IR Heating

Small footprint (No footprint change up to 3 Process Chambers)


Options SRO-i-Line

Additional values depending on application and final configuration

Additional Process Chamber

Hot Plate Return System

Integrated Camera for process control

Flux Management Assembly

Spring Pin Array

Substrate Fixture


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