SJ/T 10586.4-1994 DW-270 type electronic glass technical data SJ/T10586.4-1994 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 DW-270 electronic glass Technical data of type DW-270 electronic glassSubject content and scope of application This standard specifies the chemical composition and physical and chemical performance indicators of DW-270 electronic glass. This standard applies to glass materials used in ultra-high frequency electronic devices. 2 Reference standards GB9000 Standard method for chemical analysis of electronic glass GB9622 Technical requirements for test methods for physical and chemical properties of electronic glass Chemical composition is shown in Table 1. Chemical composition Weight percentage (%) 69.0±1.0 Note: 1) Fe, O, as impurity control, are not counted 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/T10586.4-94 Replaced SJ671-83 Test method GB9000.10 GB9000.14 Implemented on 1994-12-01 Indicator namebZxz.net SJ/T10586.4--94 03 Average linear thermal expansion coefficient a within 00℃ Density Softening point Annealing point Strain point Dielectric loss tangent value tg8×10 at frequency 6MHz and temperature 20℃ Temperature (Tk-10) when volume resistivity is 100Mn·cm Thermal stability Water resistance Chemical stability level Additional instructions: This standard is under the jurisdiction of the Standardization Institute of the Ministry of Electronics Industry. 1/℃ This standard was drafted by the Standardization Institute of the Ministry of Electronics Industry and the 776th Factory. The main drafters of this standard are Liu Chengjun and Jiang Daohua. This standard was first issued in 1973 and revised for the second time in August 1994. Refers to (37.0±1.0)×10-1 2.130±0.015 710±10 470±10 420±10 ≥370 ≥280 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.