Technical data of Type DM-320 electronic glass

SJ/T 10587.3-1994 DM-320 electronic glass technical data SJ/T10587.3-1994 standard download decompression password: www.bzxz.net

Electronic Industry Standard of the People's Republic of China
Technical data of typeDM-320 electronic glass
Technical data of typeDM-320 electronic glassSubject content and scope of application
This standard specifies the chemical composition and physical and chemical performance indicators of DM-320 electronic glass. This standard is applicable to glass materials used in electronic devices such as optoelectronic devices and high-power tubes. Reference standards
Standard method for chemical analysis of electronic glass
GB9000#
GB9622 Technical requirements for test methods for physical and chemical properties of electronic glasswwW.bzxz.Net
Chemical composition is shown in Table 1.
Chemical composition
Weight percentage (%)
68.5±1.0
Note: 1) FeO, as an impurity control, is not included in the percentage composition. 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/T10587.3-94
Replaced SJ674-83
Test method
GB9000.10
GB9000.14
Implemented on 1994-12-01
Indicator name
SJ/T10587.3-94
0~3 Average linear thermal expansion coefficient in the range of 00℃ α Density
Softening point
Annealing point
Strain point
Dielectric loss tangent value tgg×10 when the frequency is 6MHz and the temperature is 20℃ Temperature when the volume resistivity is 100Ma·cm (Tx-10e) Thermal stability
Water resistance Chemical stability level
Additional remarks:
This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. 1/℃
This standard was drafted by the 741 Factory and the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are Ling Bin, Liu Chengjun and Sun Biaochun. This standard was first issued in 1973 and revised for the second time in August 1994. 2
(47.5±1,0)×10-7
2.255±0.015
725±10
510±10
475±10
≥280
≥210
Inspection method
GB9622.11
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