Ohara Corp.

Manufactures precision optical glasses: strip/slab, cut/molded blanks, high homogeneity blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (standard/excimer grade). Ohara CCZ ultralow expansion (excellent CTE uniformity, blank form, to 1.8m diam.) Double-side polished substrates (low surface roughness, excellent flatness).