Yttrium aluminum garnet fluorescent glass, manufacturing method thereof and use thereof
A technology of yttrium aluminum garnet and fluorescent glass is applied in lighting and heating equipment, optical elements for changing the spectral characteristics of emitted light, lighting devices, etc. Consistency and product yield, stable performance, easy to process and shape
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[0024] Example 1:
[0025] According to the glass matrix initial material formula, weigh the required drug powder, namely BaCO 3 (1g), Na 2 CO 3 (0.4g), H 3 BO 3 (0.9g), SiO 2 (0.3g), Al 2 O 3 (0.56g), YAG (0.83g), grind the weighed glass substrate starting material with a mortar to make it evenly mixed. Put the ground mixed material into the corundum crucible, add the crucible cover, and put it into the atmosphere protection resistance furnace. Calcined at 1300°C for 4 hours, annealed, cut, polished and polished at 500°C to form YAG fluorescent glass sheets after casting. The glass matrix is BaO-Na 2 O-B 2 O 3 -SiO 2 -Al 2 O 3 , Used for white light LED packaging.
Example Embodiment
[0026] Example 2:
[0027] According to the glass matrix initial material formula, weigh the required drug powder, namely BaCO 3 (1g), Na 2 CO 3 (0.4g), H 3 BO 3 (0.9g), SiO 2 (0.3g), Al 2 O 3 (0.56g), Y 3-X Ge X Al 5 O 12 : Ce (0.83g), grind the weighed glass substrate starting material with a mortar to make it evenly mixed. Put the ground mixed material into the corundum crucible, add the crucible cover, and put it into the atmosphere protection resistance furnace. Calcined at 1300°C for 4 hours, annealed, cut, polished and polished at 500°C to form YAG fluorescent glass sheets after casting. The glass matrix is BaO-Na 2 O-B 2 O 3 -SiO 2 -Al 2 O 3 , Used for low color temperature white light LED package.
Example Embodiment
[0028] Example 3:
[0029] According to the glass matrix initial material formula, weigh the required drug powder, namely BaCO 3 (1g), Na 2 CO 3 (0.4g), H 3 BO 3 (0.8g), SiO 2 (0.3g), Al 2 O 3 (0.65g), YAG (0.83g), grind the weighed glass substrate starting material with a mortar to make it evenly mixed. The corundum crucible filled with the ground mixed material is placed in a high-temperature resistance furnace. Calcined at 1400°C for 4 hours, annealed, cut, polished and polished at 500°C into YAG fluorescent glass flakes after casting. The glass matrix is BaO-Na 2 O-B 2 O 3 -SiO 2 -Al 2 O 3 , Used for white light LED packaging.
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