SUMITA OPTICAL GLASS, Inc.
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About Us
A brief introduction to SUMITA
Value Chain
Company Profile
Company History
Discover the Stories behind Leading Products
Awards
Map
R&D, Manufacturing and Global Sales
Environmental / Quality Policy
Downloads
News
Exhibitions
Nazetaro’s Room
How Optical Glasses Are Manufactured
How Optical Fibers are Manufactured
Why Use Glass Fiber Optics?
How to Make Aspheric Lenses
What is Aspheric Lens?
In 1950s
Basics of Optical Glass
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2012.08.21
High index optical glass, K-LaSFn23 was developed.