Environmental Technologies is another growth business for us,
and one in which we are focusing a significant portion of our
overall R&D investment. We have helped shape this industry since
our invention of the ceramic catalytic converter substrate in the
1970s. Today, we are working globally with the automotive
and truck industries to develop and manufacture innovative new
substrate and filter products to further reduce emissions from
both gasoline- and diesel-powered vehicles. By around 2008, the
diesel emission control business could be as big as our automotive
emission control business is today. Our new clean-air products plant
in Erwin, N.Y ., is expected to be up and running by mid-decade
in support of this great diesel opportunity.
Our Semiconductor Optics business — with some exciting new
developments in the production of calcium fluoride crystals
and continued breakthroughs in the creation of HPFS® fused  silica
— is helping the semiconductor industry develop faster and
more powerful integrated circuits. Our long-standing leadership
in optical materials composition and optics design continues to be
based on our unique set of skills in basic materials science, glass
chemistry and metrology.
S EMICONDUCTOR O PTICS : CALCIUM FLUORIDE CRYSTALS
E NABLING : MICROCIRCUIT LINES A T 1/1000 THE WIDTH OF A HUMAN HAIR
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C ORNING T ECHNOLOGIES