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BTU'S Solar Experts Present at CPTIC 2012

Apr 25, 2012

Dr. Frank Bottari

Dr. Frank Bottari

Dr. Tianming Bao

Dr. Tianming Bao

 BTU International, Inc., a leading supplier of advanced thermal processing equipment for the alternative energy and electronics manufacturing markets, announces that Dr. Frank Bottari and Dr. Tianming Bao presented technical papers at the China PV Technology International Conference (CPTIC) that took place March 21-22, 2012 in Shanghai, China.

The CPTIC conference promotes technical and business exchange in all areas of the photovoltaic industry with a focus on industrial applications. This is the first year that CPTIC was held as a standalone conference and it had a successful turnout of nearly 1,000 participants. Papers were presented by authors from China, the United States, Europe and Taiwan.

Dr. Bao’s presentation, “In-line Thermal Annealing to Repair Finished c-Si Solar Cells,” described how thermal annealing processes have been shown to improve the efficiency of silicon solar cells through a number of mechanisms. Dr. Bao is process applications manager/senior scientist at BTU-Shanghai and holds a Ph.D. in chemical engineering from Case Western Reserve University in Ohio.

Dr. Bottari’s presentation, “Rapid Metallization Firing of Metal Contacts for High Efficiency Crystalline Silicon Solar Cells,” reported on the progress made in the metallization firing process in silicon solar cell manufacturing to achieve higher cell efficiencies through optimization of both the front and back contacts. Dr. Bottari is BTU’s director of solar applications, based in the company’s headquarters in the U.S., and holds a Ph.D. in chemistry from Brown University.

Related technical papers can be downloaded from BTU’s online knowledge center at: For more information about BTU, visit


BTU International is a market-leading, global supplier of advanced thermal processing equipment and processes to the alternative energy and electronics assembly markets. BTU’s equipment and expertise are used in the manufacturing of solar cells and nuclear fuel as well as the production of printed circuit board assemblies and semiconductor packaging. BTU has design and manufacturing operations in North Billerica, Massachusetts and Shanghai, China with direct sales and service worldwide. Information about BTU International is available at

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