WHATS NEW

Flux elimination system: in a radical departure from conventional maintenance techniques, flux residue is now removed constantly, virtually eliminating downtime for heat exchanger cleaning or filter cleaning and disposal. 

Greater thermal capacity: higher performance heating and cooling modules speed processing of high mass components such as ceramic BGAs, CGAs and backplanes.

Increased flexibility in board handling: computer-controlled center board support features auto location in both lateral and vertical directions.

With these reflow innovations, Heller's engineering team has eliminated the need to stop the oven for routine maintenance, and made further advances in reflow productivity. 

The new systems, developed to meet customer requirements, have been incorporated into all Heller "EXL" series reflow ovens. On-site retrofitting of these features to existing Heller installations is also available.

 

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Heller Vertical Experience Supports Transition to Flip Chip Assembly

The trend to rising pin counts in component design is driving a natural transition to Flip Chip assembly, according to Heller's Engineering Manager, Jim Neville. The more complexity we see in leaded components, the more feasible the Flip Chip concept appears by comparison," he states. As assemblers evaluate Flip Chip process, they are likely to find themselves considering curing for the first time.

"Heller has been building in-line, ovens in a space-saving vertical format since 1994," says Neville, "Over the years, we've refined our transport mechanisms and zone controls to maximize consistency for all outputs, including two-stage profiles."

Heller also won the prestigious 1996 Vision Award in the adhesives application category for its Model 788 vertical cure oven.

Heller applications engineering assistance is available to assemblers implementing curing processes for Flip Chip.

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Global Video-Linked Service Enters Fourth Year at Heller

For Heller reflow oven users operating in all areas of the world, direct access to factory-based support has been available for four years. The company's Remote Modem-Accessible Technical Support (RMATS) program allows Heller factory-based engineers to access any oven's internal electronic system.

RMATS may be implemented with PC to PC communication or optional face-to-face video link. In addition, the face-to-face communication option enables the customers to reduce downtime by providing immediate, on-line diagnosis, troubleshooting, and visual process analysis

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