December 8, 2004 |
"...(the company) has demonstrated in its pilot operations that it
can manufacture wafers using one third of the silicon required by conventional
methods."
- Richard M. Feldt, President and Chief Executive Officer
"Evergreen Solar's mission since its inception has been to produce
high-quality solar products at a fraction of the cost of conventional
methods," said Richard M. Feldt, President and Chief Executive Officer.
"With the latest enhancement to our Gemini II double ribbon growth process,
(the company) has demonstrated in its pilot operations that it can manufacture
wafers using one third of the silicon required by conventional methods."
The enhancements Feldt was talking about are altered growing conditions in the
Gemini II furnaces that allow the company to produce silicon wafers that are
half the thickness of their current standard. Many wafer manufacturers saw
slices off of silicon ingots to produce wafers, according to Brown F. Williams,
who is the vice president of Research and Development at Evergreen. Silicon is
lost to the saw cut, he said, and the string ribbon process used at Evergreen
avoids that loss.
"There is some concern that the tightening silicon supplies may limit the
growth of the photovoltaic industry for the next year or two, Feldt said.
"We expect that production of our thin wafers will entail other savings in
material costs, and the thin wafers will perform at a higher level of
efficiency."
Evergreen has produced enough of the string ribbon wafers to assemble them into
a panel. Now they will work on perfecting their production process, and Feldt
said the company expects to achieve production status by the end of 2005.
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