SCHOTT North America

i-line Products

Product Information

LITHOTEC^® i-line glass is a type of optical glass which offers both high UV-transmittance at 365 nm and high refractive index homogeneity.

Benefits

LITHOTEC^® i-line glass offered by SCHOTT North America has the following outstanding properties:

High refractive index homogeneity values (<0.5 ppm at 200 mm diameter)
Excellent internal quality
Negligible stress birefringence due to a well-defined annealing process
Variation of absolute refractive index values per lot of less than 5 x 10^-5
Availability of a wide range of high transmission glass types FK5HT to F14 HT ensures high flexibility in optical designs

Key Applications

LITHOTEC^® i-line glasses are most often used in applications such as:

Projection lenses and illumination systems for use in i-line wafer steppers and scanners
Standard optical applications requiring high transmission in the UV region

Forms of Supply

SCHOTT North America offers customized forms in accordance to the geometries requested by the customer for discs and plates.

Specifications

SCHOTT North America offers i-line glasses with:

Diameter up to 300 mm
Thickness up to 100 mm
Homogeneity, bubbles/inclusions, dispersion values according to the SCHOTT Optical Glasses catalog

Quality Assurance

SCHOTT North America offers i-line glasses with 100% control of homogeneity, stress birefringence, striae, bubbles, and inclusions. We utilize statistical control of refractive index and transmittance.

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Contact

SCHOTT North America, Inc.
Corporate Office

555 Taxter Road
Elmsford, NY 10523
USA

+1 (914)831-2200

+1 (914)831-2201

E-mail

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