Vanadium-silver low melting glass and conductive slurry containing the glass
A low-melting glass, electronic paste technology, applied in the field of conductive electronic paste, can solve the problems of inability to chemically react adverse effects, and achieve the effects of good hardness and chemical stability, low sintering temperature, and overcoming damage
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Embodiment 1
[0032] The various raw materials in the glass composition use the corresponding industrial grade oxide or carbonate powder, and the glass composition is: V 2 o 5 75%, Ag 2 O 8%, B 2 o 3 7%, ZnO 2%, Bi 2 o 3 5%, BaO 3%. Grind commercially available industrial grade vanadium pentoxide, silver oxide, boron trioxide, zinc oxide, bismuth oxide and barium carbonate, measure them accurately according to the formula, and mix them evenly. Melt in an alumina crucible at 750°C for 30 minutes, and then pour and press the molten glass into thin sheets. After the glass flakes are ground, pass through a 100-mesh sieve, and then be ground to an ultrafine powder with an average particle size of 3 μm by airflow for use.
[0033] The glass transition temperature of the glass obtained by differential thermal analysis was 201°C.
[0034]Low-melting glass is used to make silver conductive pastes. Silver conductive paste consists of ultra-fine flake and spherical silver powder, organic c...
Embodiment 2
[0037] The various raw materials in the glass composition use the corresponding industrial grade oxide or carbonate powder, and the glass composition is: V 2 o 5 60%, Ag 2 O 5%, P 2 o 5 10%, SiO 2 1%, B 2 o 3 5%, Bi 2 o 3 5%, Sb 2 o 3 2%, Al 2 o 3 1%, SnO 2 3%, BaO5%, CaO2%, Na 2 O 1%. Commercially available industrial grade vanadium pentoxide, silver oxide, ammonium dihydrogen phosphate, silicon oxide, boron trioxide, antimony oxide, bismuth oxide, aluminum oxide, tin oxide, barium carbonate, calcium carbonate and sodium carbonate , after accurate measurement according to the formula, mix well. In an alumina crucible, it is first kept at 250°C for 60 minutes to fully decompose ammonium dihydrogen phosphate, and then it is kept at 850°C for 50 minutes to melt, and then the molten glass is poured and pressed into thin sheets. After the glass flakes are ground, pass through a 100-mesh sieve, and then be ground to an ultrafine powder with an average partic...
Embodiment 3
[0042] The various raw materials in the glass composition use the corresponding industrial grade oxide or carbonate powder, and the glass composition is: V 2 o 5 50%, Ag 2 O10%, P 2 o 5 8%, SiO 2 2%, ZnO 5%, Bi 2 o 3 10%, Al 2 o 3 1%, SnO 2 3%, BaO 5%, MgO 2%, Na 2 O 2%, K 2 O 2%. After grinding commercially available industrial grade vanadium pentoxide, silver oxide, diammonium hydrogen phosphate, silicon oxide, zinc oxide, bismuth oxide, aluminum oxide, stannous oxide, barium carbonate, magnesium carbonate, potassium carbonate and sodium carbonate, After accurately measuring according to the recipe, mix well. In an alumina crucible, it is first kept at 250°C for 60 minutes to fully decompose the diammonium hydrogen phosphate, then it is kept at 900°C for 60 minutes to melt, and then the molten glass is poured and pressed into thin sheets. After the glass flakes are ground, pass through a 100-mesh sieve, and then be ground to an ultrafine powder with an ave...
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