SJ/T 10588.5-1994 Technical data of DB-413 electronic glass SJ/T10588.5-1994 Standard download decompression password: www.bzxz.net
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Electronic Industry Standard of the People's Republic of China Technical, data of type DB-413 electronic glass Technical, data of type DB-413 electronic glass1 Subject content and scope of application This standard specifies the chemical composition and physical and chemical performance indicators of DB-413 electronic glass. This standard applies to glass materials used in electronic devices such as oscilloscopes. 2 Reference standards GB9000 Standard method for chemical analysis of electronic glass GB9622 3 Technical requirements Test method for physical and chemical properties of electronic glass Chemical composition is shown in Table 1. Chemical composition Weight percentage 69.5±1.0 11.0±0.5 Note: 1) Al, O, and FeO are controlled as impurities and are not included in the percentage composition. 3.2 Physical and chemical performance indicators are shown in Table 2. 1994-08-08 Ministry of Electronics Industry of the People's Republic of China approved SJ/T10588.5-94 Replaced SJ680-83 Test method GB9000.11 GB9000.10 GB9000.12 GB9000.14 Implemented on 1994-12-01 Indicator name SJ/T1058 8.5—94 Average linear thermal expansion coefficient α in the range of 0~300℃Density Softening point Annealing point Strain point Dielectric loss tangent value tg6×10* when the rated frequency is 6MHz and the temperature is 20℃Temperature when the volume resistivity is 100Ma·cm (Tk-1)Thermal stability Water resistance and chemical stability level Additional instructions: This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. This standard was drafted by the 774th Factory and the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are Ge Rongtian, Liu Chengjun, Su Mei and Liu Guangquan. This standard was first issued in 1973 and revised for the second time in August 1994. 2 (93.0±2.0)×10-7www.bzxz.net 2.520±0.015 695±10 530±10 495±10 ≥240 ≥130 Test method GB9622.11 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.