| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention pertains to compounds for leaded glass, used in microelectronics, in the radio engineering industry. The low-melting glass contains PbO, B2O3, SiO2, Nd2O3 and extra MgO in the following percentage mass ratios: PbO - 73.0-77.0, B2O3 - 10.0-15.0, SiO2 - 3.5-5.0, Nd2O3 - 1.0-1.5, MgO - 6.0-8.0. ^ EFFECT: lower softening temperature of glass. ^ 1 tbl |
