Matsushita Electric Works Ltd. (both of JPX 03) Nippon Electric Glass Co. Ltd. (both of JPX 03)
인용정보
피인용 횟수 :
21인용 특허 :
0
초록▼
A glass fiber forming composition exhibits a remarkably high dielectric constant eG2.5 poise, so as to be readily spun into corresponding glass fibers. The composition consists essentially of 40 to 65 mol % of SiO2; 20 to 45 mol % of at least one component selected from the group consisting of MgO,
A glass fiber forming composition exhibits a remarkably high dielectric constant eG2.5 poise, so as to be readily spun into corresponding glass fibers. The composition consists essentially of 40 to 65 mol % of SiO2; 20 to 45 mol % of at least one component selected from the group consisting of MgO, CaO, SrO and BaO; 5 to 25 mol % of at least one component selected from the group consisting of TiO2 and ZrO2; and 0.5 to 15 mol % of NbO5/2 as calculated from an incorporated amount of Nb2O5. Alternately, the composition consist essentially of 40 to 65 mol % of SiO2; 20 to 45 mol % of at least one component selected from the group consisting of CaO, SrO and BaO; 5 to 25 mol % of at least one component selected from the group consisting of TiO2 and ZrO2; 0.5 to 15 mol % of NbO5/2 as calculated from an incorporated amount of Nb2O5; and 0.5 to 15 mol % of AlO3/2 as calculated from an incorporated amount of Al2O3. The composition is also characterized to incorporate at least 85 mol % of a total amount of the oxides and have a dielectric constant [eG
대표청구항▼
A glass fiber forming composition consisting essentially of 0 to 15 mol % of at least one oxide selected from the group consisting of TaO2.5, LaO1.5, CeO2, ZnO, Li2O, Na2O, K2O, MnO2, and BO1.5, and 85-100 mol % of an oxide mixture, said oxide mixture consisting essentially of: 40 to 65 mol % of SiO
A glass fiber forming composition consisting essentially of 0 to 15 mol % of at least one oxide selected from the group consisting of TaO2.5, LaO1.5, CeO2, ZnO, Li2O, Na2O, K2O, MnO2, and BO1.5, and 85-100 mol % of an oxide mixture, said oxide mixture consisting essentially of: 40 to 65 mol % of SiO2; CaO, SrO and BaO each being present, said CaO, SrO and BaO being present in respective amounts which total 20 to 45 mol % of the oxide mixture; TiO2 and ZrO2 in amounts which total 5 to 25 mol % of the oxide mixture; and 0.5 to 15 mol % of NbO5/2; said composition having a dielectric constant eG9 or more at 1 MHz and 25°C.; and said composition being characterized to show a devitrification temperature which is lower than a spinning temperature at which said composition exhibits a viscosity of 102.5 poise.
Harris,Edwin James; Vyas,Tushar; Pachla,Timothy; Colby,James A., Direct application voltage variable material, devices employing same and methods of manufacturing such devices.
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