Technical data of Type DW-203 electronic glass

SJ/T 10586.1-1994 DW-203 electronic glass technical data SJ/T10586.1-1994 standard download decompression password: www.bzxz.net

Electronic industry standard of the People's Republic of China
SJ/T 10586.1-94
Electronic glass technical data1994-08-08 Issued
1994-12-01 Implementation
Ministry of Electronic Industry of the People's Republic of China
Electronic industry standard of the People's Republic of China
Technical dataof typeDw-203electronicglass1 Subject content and scope of applicationbZxz.net
This standard specifies the chemical composition and physical and chemical performance indicators of DW-203 electronic glass. This standard applies to glass materials used in electronic devices such as ultra-high frequency tubes. 2 Reference standards
GB9000
GB9622
3 Technical requirements
Standard methods for chemical analysis of electronic glass
Test methods for physical and chemical properties of electronic glass
Chemical composition is shown in Table 1.
Weight percentage
70.8±1.0
Note: 1) FeO, as an impurity control, is 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/T10586.1--94
Replaced SJ667-83
Test method
GB9000.12
GB9000.10
GB9000.14
Implemented on 1994-12-01
Indicator name
SJ/T10586.1-94
Average linear thermal expansion coefficient in the range of 0～300℃Density
Softening point
Annealing point
Strain point
Dielectric loss tangent value tgg×10 at a rate of 6MHz and a temperature of 20℃Temperature (Tx-10) when the volume resistivity is 100Mn·cmThermal 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 Standardization Institute of the Ministry of Electronics Industry and the No. 772 Factory. The main drafters of this standard are Liu Chengjun and Wang Yongmei. This standard was first issued in 1973 and revised for the second time in August 1994. 2
(33.0±1.0)×10-7
2.150±0.015
730±10
490±10
450±10
≥350
≥250
Test method
GB9622.11
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