Solar Awards Silicon Innovation Award Final DR 3/9/09 12:19 Page 20
SOLAR AWARDS
Silicon Innovation Award
Blue Square Energy
produces faster, more precise cuts. The
CR-400 gives users a lower cost in a
Bright Point more versatile option. This saw is
adaptable enough to meet any production
Bright Point is Blue Square Energy’s line requirement for cropping. It is designed
of high-efficiency solar cells. It utilises low with manually adjustable v-blocks as well
Issue IV 2009
cost, abundantly available silicon that is as with a top and tail holder.
enriched with impurities. While other solar
companies spend much time and money Diamond Wire Technology’s extensive
removing impurities from silicon, the team of design, electrical and software
company has found a way to use them to engineers has developed a line of
advantage. products that will enhance performance
and lower costs. These saws combine
-pv-management.com While impurities help to reduce the cost, it diamond wire and a tangential cutting
is the proprietary design and process that process to provide radical new cutting
.solar
increases efficiency. Commercial-size solutions for a broad range of
www
samples have already demonstrated applications and needs.
greater than 12 percent, and the
20
company is quickly enhancing the
technology to achieve market-leading
efficiency. Proprietary manufacturing
techniques mean the Bright Point line will In addition to removing residual phospho
soon have the most cost-efficient solar silicate glass (PSG) left behind following a
cells on the market. standard hydrofluoric acid (HF) bath,
BakerClean PV-160 surface modifier is the
BSE is developing new and emerging
ways to utilise the Bright Point platform to
Mallinckrodt Baker, Inc
only commercially available cleaning
chemistry able to deliver the high-value,
meet growing energy demands. The BakerClean PV-160 competitive advantage of improved cell
company’s manufacturing expertise efficiency. Solar cells made using
enables them to quickly introduce new The BakerClean PV-160 Solar Cell Surface BakerClean PV-160 surface modifier
Bright Point lines into the market as they Modifier is a wet chemical surface produce more electricity and are more
are produced. The distribution partners modifier applicable to in-line valuable than cells made without the
are ready and able to make them manufacturing processes of crystalline product.
available to the world. silicon (c-Si) solar cells. Following emitter
formation, BakerClean PV-160 surface Produces more efficient solar cells that
modifier’s modification of cell surface provide higher electrical output and are
Diamond Wire
properties delivers higher value solar cells more valuable than cells made without
by improving cell conversion efficiency. BakerClean PV-160 surface modifier.
Technology
Solar Cropping Saw CR-400 Developed in cooperation with Energy A 100% water soluble formulation
research Centre of the Netherlands eliminates the need for an intermediate
CR-400 has the highest production (ECN), BakerClean PV-160 surface solvent rinse, decreasing total processing
capability while maintaining the smallest modifier improves cell conversion time and cost. Long bath life, typically
kerf in the industry, claims the company. efficiency by enabling an enhanced cell greater than 80 hours; process
This solar cropping saw allows customers response to blue light. Modifying surface optimization resulted in bath lives of more
to make four cuts with a multitude of properties of c-Si solar cells after emitter than 100 hours in high volume
materials in only one cycle with a kerf of formation, BakerClean PV-160 surface manufacturing.
300 micron. Users are able to cut two modifier provides photovoltaic cell
ingots at a time on dual tables with manufacturers with a powerful surface A self-limiting surface modification
independent cutting yokes. modification chemistry proven to increase process designed to slow down with
the value of their solar cells by improving treatment time, thereby diminishing the
The Patented Tangential Cutting system absolute cell efficiency by up to 0.3%. chance of destructive processing.
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