Matches 51 - 96 out of 96 < 1 2
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4164610 Glasses exhibiting high lithium ion mobility  
The present invention relates to the preparation of essentially silica-free glasses which can be melted at low temperatures and which have compositions within the Li 2 O--Al 2 O 3 and/or F--B 2 ...
4141741 Compositions of fluoride glasses and process for manufacturing fluoride glasses  
Compositions of fluorinated glasses are disclosed which result from the ternary composition of ZrF 4 or HfF 4 , BaF 2 and ThF 4 or UF 4 , each component being within a specified range of...
4098610 Biocidal glass additive for marine paints  
This invention relates to the production of borate-based or silicate-based glasses containing copper which are operable as biocidal additives in marine anti-fouling coatings. Zinc and/or tin may be...
4043852 Anomalous dispersion glass exhibiting the anomalous partially dispersing property in the long wave length region  
This invention provides an anomalous dispersion glass exhibiting an η d value of 1.54-1.71 and anν d value of 55-30, and the anomaly of a partially dispersing property in the long wave length...
4038203 Certain alkali metal-rare earth metaphosphate photoluminescent glasses  
High intensity photoluminescent glasses comprising certain alkali metal-rare earth metaphosphates are suitable for use in display panels, indicator lights, and decorative illumination, etc. These...
4032351 Rare earth ceramic for frequency conversion of radiation  
A rare earth ceramic having a microcrystal phase buried in a glassy phase for the coversion of radiation in the near-infrared band from about 0.85 to 1.06 um into visible light. It comprises a...
3960578 Arsenic pentoxide glasses  
Arsenic pentoxide glasses characterized by containing 8 - 60 wt.% arsenic pentoxide and correspondingly 92 - 40 wt.% polyvalent metal fluorides exhibit improved processing characteristics while...
3960754 Multi-wavelength optical filter  
A multi-wavelength optical filter, particularly useful for shielding against laser light, includes compounds incorporated into a glass base which produce Cu 2 + ions, Er 3 + ions, and Ce 3 + ...
3958970 Method of casting fluorescent lenses  
Fluorescent material for the optical frequency conversion of near infrared radiation from 0.85 to 1.06 μm into visible radiation. The constituents of the material are (i) vitrifying fluorides of...
3951669 Fusion seals and sealing compositions for their production  
This invention relates to sealing mixtures consisting essentially of a sealing glass having a low sealing temperature and a high coefficient of thermal expansion, and a glass-ceramic additive that...
3907535 Process of making a partially crystallizable seal  
Soldering glass compositions which can be soldered to form airtight joints having a high mechanical strength are provided by employing an admixture of a thermally devitrifiable solder glass and an...
3880663 Fluoroborate glass exhibiting fluorescence at 1.06 micrometers  
A novel glass exhibits fluorescence from trivalent neodymium ions at a wavelength of approximately 1.06 micrometers. The glass consists essentially of about 98 weight percent of a host glass and...
3877995 Potassium borate glass compositions  
An amorphous glass sytem based on potassium borate, which may also contain additives to modify viscosity, expansion coefficient, and the like, has found particular utility as the membrane material...
3869404 Neodymium doped Na2 O. P2 O5 -ZnCl2 glass exhibiting fluorescence at 1.06 micrometers  
A novel glass exhibits fluorescence from trivalent neodymium ions at a wavelength of approximately 1.06 micrometers. The glass consists essentially of 98 to 99 weight percent of a host glass and 1...
3869405 Glass exhibiting fluorescence at 1.06 micrometers  
A novel glass exhibits fluorescence from trivalent neodymium ions at a wavelength of approximately 1.06 micrometers. The glass consists essentially of about 98 weight percent of a host glass and...
3791859 STRESS GRADING COATINGS FOR INSULATORS  
A stress grading coating for insulators comprising a non-linear semiconducting coating, such as silicon carbide, or the like using a glass binder having a fusion temperature of less than 850°C.
3779948 VITREOUS COMPOUNDS WITH BISTABLE ELECTRICAL CHARACTERISTICS  
A new class of vitreous compounds having bistable electrical characteristics, that is to say, two different states of electric resistance is described. The new class of vitreous compounds can be...
3773528 IMPROVED UV TRANSMITTING LANTHANIUM-ZINC-BORATE GLASS COMPOSITION  
An improved ternary lanthanum-zinc-borate glass composition having improved ultraviolet light transmission in near ultraviolet spectral range, and a process for preparing such a glass composition...
3771375 PRECISION LINEAR MOTION CONVERTING AND POSITION MEASURING APPARATUS  
A roller-band device including an idler roller, drive roller and band, is mounted on a carriage movable linearly relative to the band so that the angle of rotation of the drive roller is related to...
3650778 LOW-EXPANSION, LOW-MELTING ZINC PHOSPHOVANADATE GLASS COMPOSITIONS  
Low-melting, low-expansion, lead-free glass compositions are provided for sealing ceramics parts and encapsulating ceramic substrates. In addition to having a thermal expansion matching that of...
3615762 THORIUM-FREE, LANTHANUM BORATE OPTICAL GLASS  
Thorium-free optical glass having increased resistance to acids and improved devitrification characteristics, and containing by weight as essential ingredients from 37 to 45% B 2 O 3 , from 45 to...
3615764 ARSENIC PENTOXIDE GLASS COMPOSITIONS  
Optical glass compositions comprising 8 to 60 percent by weight arsenic pentoxide and 40 to 92 percent by weight simple and/or complex inorganic fluorides.
3545989 LOW LOSS LEAD FLUORIDE SEALING GLASSES  
3531271 METHOD OF DRYING GLASSES BY AN ANHYDROUS AGENT  
3531305 METHOD OF MAKING INFRARED TRANSMITTING GERMANATE GLASSES  
3473935 SYNTHESIS OF BERYL  
3454408 SOLDER GLASS COMPOSITIONS AND METHOD OF SEALING METAL THEREWITH  
3454433 LOW TEMPERATURE TEMPORARY PROTECTIVE CERAMIC COATING COMPOSITIONS FOR METALS,AND RESULTING COATED METAL ARTICLES  
3421915 METHOD FOR FORMING STRONG METALLIC BONDS TO LEAD-CONTAINING GLASS  
3408212 Low melting oxide glass  
3350341 Silver compositions containing novel vitreous binders and a vehicle  
3320170 Transparent magnetic glass compositions  
3305490 Fluorescent phosphate glass  
3282711 Preshaped two-phase glass ceramic body and process for preparing the same  
3258349 Light porous refractory brick and method  
3188216 Glass containing strontium and gallium compounds  
3178322 Metal preheat-treat coating  
3156573 Novel fluosulfate glasses  
3151982 Xerographic plate  
2995468 Glaze and enamel compositions including lithium fluosilicate and method of making them  
2954300 Method of preparation of single crystal ferroelectrics  
2840478 Coating composition  
3816576 Title is not available  
3734754 Title is not available  
3829331 Title is not available  
3690908 Title is not available  
Matches 51 - 96 out of 96 < 1 2