摘要:
A glass substrate for a Cu—In—Ga—Se solar cell. The glass substrate includes the specific amounts of SiO2, Al2O3, B2O3, MgO, CaO, SrO, BaO, ZrO2, Na2O and K2O. In the glass substrate, MgO+CaO+SrO+BaO is from 10 to 30%, Na2O+K2O is from 8 to 20%, Na2O/K2O is from 0.7 to 2.0, and (2×Na2O-2×MgO—CaO)×(Na2O/K2O) is from 3 to 22. The glass substrate has a glass transition temperature of from 640 to 700° C., an average coefficient of thermal expansion of from 60×10−7 to 110×10−7/° C., and a density of from 2.45 to 2.9 g/cm3.
摘要翻译:一种用于Cu-In-Ga-Se太阳能电池的玻璃基板。 玻璃基板包括特定量的SiO 2,Al 2 O 3,B 2 O 3,MgO,CaO,SrO,BaO,ZrO 2,Na 2 O和K 2 O。 在玻璃基板中,MgO + CaO + SrO + BaO为10〜30%,Na2O + K2O为8〜20%,Na2O / K2O为0.7〜2.0,(2×Na2O-2×MgO·CaO) ×(Na 2 O / K 2 O)为3〜22。玻璃基板的玻璃化转变温度为640〜700℃,平均热膨胀系数为60×10 -7〜110×10 -7 /° C.,密度为2.45至2.9g / cm 3。
摘要:
The present invention provides a high-transparency glass having a high fining action at a low temperature and capable of achieving redox lowering more than before. The present invention relates to a glass containing 1 to 500 ppm of a total iron oxide (t-Fe2O3) in terms of Fe2O3, having a redox ([divalent iron (Fe2+) in terms of Fe2O3]/[total (Fe2++Fe3+) of divalent iron (Fe2+) and trivalent iron (Fe3+) in terms of Fe2O3]) of 0% or more and 25% or less, containing, as expressed by mass percentage based on oxides, 50 to 81% of SiO2, 1 to 20% of Al2O3, 0 to 5% of B2O3, 5 to 20% of Li2O+Na2O+K2O, and 5 to 27% of MgO+CaO+SrO+BaO, and having a bubble disappearance-starting temperature (TD) of 1485° C. or lower.
摘要:
To provide a glass plate excellent in the internal transmittance of light rays in the visible region.A glass plate consisting of multicomponent oxide glass, which has an effective optical path length of from 25 to 200 cm, a thickness of from 0.5 to 10 mm, and an average internal transmittance in the visible region of at least 80% and a chromaticity Y of tristimulus values in the XYZ colorimetric system as defined in JIS Z8701 (Appendix) of at least 90%, under the effective optical path length.
摘要:
To provide a glass plate excellent in the internal transmittance of light rays in the visible region.A glass plate consisting of multicomponent oxide glass, which has an effective optical path length of from 25 to 200 cm, a thickness of from 0.5 to 10 mm, and an average internal transmittance in the visible region of at least 80% and a chromaticity Y of tristimulus values in the XYZ colorimetric system as defined in JIS Z8701 (Appendix) of at least 90%, under the effective optical path length.
摘要:
The present invention provides a high-transparency glass having a high fining action at a low temperature and capable of achieving redox lowering more than before. The present invention relates to a glass containing 1 to 500 ppm of a total iron oxide (t-Fe2O3) in terms of Fe2O3, having a redox ([divalent iron (Fe2+) in terms of Fe2O3]/[total (Fe2++Fe3+) of divalent iron (Fe2+) and trivalent iron (Fe3+) in terms of Fe2O3]) of 0% or more and 25% or less, containing, as expressed by mass percentage based on oxides, 50 to 81% of SiO2, 1 to 20% of Al2O3, 0 to 5% of B2O3, 5 to 20% of Li2O+Na2O+K2O, and 5 to 27% of MgO+CaO+SrO+BaO, and having a bubble disappearance-starting temperature (TD) of 1485° C. or lower.
摘要:
A glass substrate for a CIGS solar cell, having high cell efficiency and high glass transition temperature is provided. The glass substrate for a vapor-deposited CIGS film solar cell has a glass transition temperature of at least 580° C. and an average thermal expansion coefficient of from 70×10−7 to 100×10−7/° C., wherein the ratio of the average total amount of Ca, Sr and Ba within from 10 to 40 nm in depth from the surface of the glass substrate to the total amount of Ca, Sr and Ba at 5,000 nm in depth from the surface of the glass substrate is at most 0.35, and the ratio of the average Na amount within from 10 to 40 nm in depth from the surface of the glass substrate after heat treatment to such average Na amount before the heat treatment is at least 1.5.
摘要:
A glass substrate for a CIGS solar cell containing specific amounts of SiO2, Al2O3, B2O3, MgO, CaO, SrO, BaO, ZrO2, TiO2, Na2O and K2O, respectively. The glass substrate satisfies the specific requirements regarding MgO+CaO+SrO+BaO, Na2O+K2O, MgO/Al2O3, (2Na2O+K2O+SrO+BaO)/(Al2O3+ZrO2), Na2O/K2O, the relation of Al2O3 and MgO, and the relation of CaO and MgO, respectively. The glass substrate has a glass transition temperature of 640° C. or higher, an average coefficient of thermal expansion within a range of 50 to 350° C. of 70×10−7 to 90×10−7/° C., the temperature (T4) of 1,230° C. or lower, the temperature (T2) of 1,650° C. or lower, and a density of 2.7 g/cm3 or less. The glass substrate satisfies the relationship of T4−TL≧−30° C.