Making a dielectric optical waveguide glass

Method and apparatus for introducing a protective atmosphere int

Method and apparatus for making a modified amorphous glass mater

Method and device for preparing implant surfaces

Method and device for reducing the NO.sub.x emission in a glass

Method for forming fused quartz using deuterium

Method for forming fused quartz using deuterium

Method for increasing the strength and density of lead titanate

Method for making a ceramic lid for hermetic sealing of an EPROM

Method for making glass-ceramics with ferrimagnetic surfaces

Method for making oxide glasses

Method for manufacturing thin and flexible ribbon of dielectric

Method for melting fluorophosphate glass

Method for molding a fused quartz glass block

Method for preparing fluoride glasses

Method for preparing fluoride glasses

Method for producing mother rods for optical fibers

Method for reducing striations in fused silica

Method for the production of objects of quartz-glass by drawing

Method for the production of quartz-glass objects by drawing