Yoshiko Kasuga

Optical glass, precision press-molding preform, process for production thereof, optical element and process for the production thereof

PREFORMS FOR PRECISION PRESS MOLDING, OPTICAL ELEMENTS, AND METHODS OF MANUFACTURING THE SAME

Optical glass, glass material for press molding, optical element, and method of manufacturing same

Optical glass, precision press-molding preform, process for producing the preform, optical element and process for producing the element

Optical glass, press-molding preform and optical element

Optical glass, precision press molding preform and method of manufacturing the same, optical element and method of manufacturing the same

Optical glass, preform for precision press-molding, process for the production of the preform, optical element, and process for the production of the element

Optical glass, precision press molding preform and manufacturing method of the same, optical element and manufacturing method of the same

Optical glass, preform for precision press molding and method of manufacturing thereof, optical element and method of manufacturing thereof

Optical glass, pressed glass material, optical elements, and methods for its preparation