Technical data of Type DB-413 electronic glass

SJ/T 10588.5-1994 Technical data of DB-413 electronic glass SJ/T10588.5-1994 Standard download decompression password: www.bzxz.net

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 pointWww.bzxZ.net
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)×10-7
2.520±0.015
695±10
530±10
495±10
≥240
≥130
Test method
GB9622.11
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