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LITHOTEC® i-line products

Product Information

i-line Products

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:

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.


For further information please contact our sales team:

Advanced Optics
SCHOTT North America, Inc.
400 York Avenue
Duryea, PA 18642
USA
 +1 (570)457-7485
 +1 (570)457-6960
E-mail
www.us.schott.com/advanced_optics
Contact

Advanced Optics
SCHOTT North America, Inc.

400 York Avenue
Duryea, PA 18642
USA
 +1 (570)457-7485
 +1 (570)457-6960
E-mail
More contacts