|
Match
|
Document |
Document Title |
|
|
4239645 |
Phosphate base laser glasses
A phosphate base laser glass comprising 55-70% P 2 O 5 , 1-15% Al 2 O 3 , 0-25% Li 2 O, 0-25% Na 2 O, 0-8% K 2 O, the total proportion of Li 2 O, Na 2 O, and K 2 O being 10-25%, 0-15% BaO,...
|
|
|
4231892 |
Manganese doped zinc silicate luminescent phosphors with III-V oxide substitutions
A series of solid solutions in the systems Zn 2 SiO 4 -Zn 2 M +3 .5 M +5 .5 O 4 , is synthesized by practice of this disclosure. Solid reaction technique is used where M +3 and M +5 signify...
|
|
|
4222890 |
Gadolinium-activated phosphate phosphor
A gadolinium-activated phosphate phosphor expressed by the general chemical formula: (R 1 -x-y Gd x M y ) 3 (PO 4 ) (2+x-y)z where R denotes calcium, zinc, strontium, barium, or magnesium; M...
|
|
|
4172920 |
Pigment coated phosphor
A pigment coated phosphor used as a green emitting phosphor for a high contrast color television cathode ray tube. A green emitting phosphor is coated with TiO 2 --ZnO--CoO--NiO system pigment...
|
|
|
4150321 |
Luminescent aluminates and mercury vapor discharge lamp containing the same
Luminescent aluminate with magnetoplumbite crystal structure, activated by cerium, by cerium and terbium or by cerium and manganese. The aluminate comprises at least one of the elements B, Si and P...
|
|
|
4076647 |
Optical glass
An optical glass with a path length independent of temperature comprises between 40 and 55% by weight P 2 O 5 , between 40 and 54% by weight BaO and between 6 and 12% by weight Nb 2 O 5 . Part of...
|
|
|
4024298 |
Method of providing storage dielectric of phosphor particles coated with secondary emissive material
An improved method for manufacturing a charge image storage dielectric capable of bistable storage is described. The storage dielectric is made by coating phosphor particles with a secondary...
|
|
|
4022707 |
Athermal laser glass
A neodymium-doped phosphate laser glass composition having a low threshold for stimulated emission, a negative temperature coefficient of refractive index, high acid resistence and homogeneity even...
|
|
|
3979322 |
Phosphate glass for laser use
Glass for laser use, comprising the oxides of the following elements having the following mol percentage composition: TBL ______________________________________ phosphorus pentoxide 35-49; ...
|
|
|
3928229 |
Transparent glass-ceramic laserable articles containing neodymium
Glass ceramics capable of luminescence or induced emission. An activator, e.g. neodymium, is used to impart said properties. The glasses can be used in lasers and masers.
|
|
|
3927240 |
Haze resistant cathode luminescent sulfide phosphors and method of preparing same
A cathodoluminescent phosphor composition consisting essentially from about 99.6 percent to about 99.9 percent by weight of discrete particles of an activated host containing a divalent metal...
|
|
|
3923682 |
Process for manufacturing phosphors
Phosphor raw ingredients are homogeneously dispersed or dissolved in a liquid which is then spray dried to form particles having a predetermined particle size range, each particle containing...
|
|
|
3919109 |
Process for preparing substituted halophosphate phosphors
A process of making calcium halophosphate phosphors containing cadmium wherein the cadmium loss due to volatilization is substantially decreased by introducing a cadmium phosphate source into the...
|
|
|
3887725 |
Process for improving lumen maintenance of calcium halophosphate phosphors used in a fluorescent lamp
Addition of zinc orthophosphate to a calcium halophosphate-lacquer slurry before application to a fluorescent lamp tube increases the lumen maintenance thereof. The additive quantity is in the...
|
|
|
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...
|
|
|
3867303 |
Neodymium doped borate 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...
|
|
|
3816327 |
STRONTIUM HALOPHOSPHATE PHOSPHOR WHICH INCORPORATES A SMALL AMOUNT OF CALCIUM
Improved strontium halophosphate phosphor having a preferred composition which emits primarily in the yellow-green region of the visible spectrum. A small amount of the strontium is replaced by...
|
|
|
3764555 |
PROCESS OF PREPARING POROSITY-FREE CALCIUM HALOPHOSPHATE PHOSPHORS
A process for the production of relatively porosity-free calcium halophosphate phosphors activated such as with antimony and manganese. The process involves using either calcium pyrophosphate, Ca 2...
|
|
|
3666674 |
URANYL-ACTIVATED STRONTIUM ZINC PYROPHOSPHATE PHOSPHORS
Uranyl-activated strontium zinc pyrophosphate, with allowable substitution of minor amounts of barium for strontium and cadmium for zinc, efficiently produces green light having sharp emission...
|
|
|
3655576 |
PRODUCTION OF CALCIUM HALOPHOSPHATE PHOSPHORS
An improved process for the production of calcium halophosphate phosphors comprising forming a first substantially uniform admixture of (a) a calcium phosphate source selected from mono and di...
|
|
|
3636352 |
STRONTIUM PYROPHOSPHATE AS ADHESIVE IN LUMINESCENT SCREENS
The invention relates to a luminescent screen including a luminescent calcium halophosphate phosphor using a strontium pyrophosphate adhesive layer provided on a transparent support. Furthermore...
|
|
|
3549554 |
LASER PHOSPHATE GLASS COMPOSITIONS
|
|
|
3549553 |
METHOD FOR PRODUCING HALOPHOSPHATE PHOSPHOR OF PLATE-LIKE PARTICLE SHAPE
|
|
|
3538013 |
METHOD OF IMPROVING HALOPHOSPHATE PHOSPHOR BY TREATING THE PHOSPHOR WITH DIETHYLENETRIAMINE PENTAACETIC ACID
|
|
|
3843556 |
Title is not available
|
|
|
3663473 |
Title is not available
|
|
|
3647708 |
Title is not available
|
|
|
3661792 |
Title is not available
|
|
|
3597366 |
Title is not available
|