ELEMENTAL ZINC SULFIDE

transparent material in the nature of lenses and optics assemblies for use in infrared detectors for use in military, law enforcement, civil, scientific and industrial applications; transparent material in the nature of lenses and optics assemblies for use in electronic components in the nature of infrared detectors for use in further manufacture; transparent material in the nature of lenses and optics assemblies for use in electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors