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News from BTU International

BTU Debuts SWIFT Inline Diffusion Technology at SNEC for Scalable, Ultra-High Throughput

May 14, 2014

Meridian™ inline diffusion system

Meridian™ inline diffusion system

BTU International, Inc., a leading supplier of advanced thermal processing equipment for the electronics manufacturing and alternative energy markets, will highlight the company’s new Stacked Wafer Inline Furnace Technology (SWIFT), ultra-high throughput technology for solar cell diffusion, in booth E3-210 at the 8th SNEC Power Expo 2014, scheduled to take place May 20-22, 2014, at the Shanghai New International Expo Center in Shanghai, China. BTU will also exhibit the SinTerra, the latest technology for metallization firing.

As PV demand continues to grow vigorously, manufacturers are strategizing the best ways to expand capacity. We’re presenting a scalable technology that can provide up to 15,000 wafers per hour, while conserving factory floor space and lowering cost per watt,” said Bob Bouchard, corporate marketing manager for BTU International. “This technology is adaptable to both traditional and PERC p-type cells and provides a real game-changing process solution,” added Bouchard.

The Meridian™ inline diffusion system featuring new Stacked Wafer Inline Furnace Technology (SWIFT) can be configured to produce up to 15,000 wafers per hour for both high efficiency PERC and traditional p-type cells. The process can be integrated into new and existing solar cell lines.

BTU will also be presenting its latest advancements for co-diffusion processing of n-type advanced cell structures. The inline co-diffusion process dramatically lowers cost per watt by eliminating process steps, enabling cost-effective mass production of n-type bi-facial cells. An innovative dopant application method enables patterned emitter formation for IBC and other back contact cell structures.

The SinTerra, the latest technology for metallization drying and firing from BTU, offers outstanding value by providing high-performance heating and low-bow cooling technologies. SinTerra delivers the lowest cost of ownership with industry-leading uptime, unmatched process repeatability and competitive pricing.

To learn more about BTU’s solar cell process equipment for inline diffusion, metallization and solar cell annealing, visit BTU in booth E3-210 at SNEC. For more information, visit

BTU International is global supplier and technology leader of advanced thermal processing equipment and processes to the electronics and alternative energy manufacturing markets. BTU equipment is used in the production of printed circuit board assemblies and semiconductor packaging as well as in solar cell and nuclear fuel manufacturing. BTU has operations in North Billerica, Massachusetts and Shanghai, China with direct sales and service in the USA, Asia and Europe. Information about BTU International is available at

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