SJ/T 10588.4-1994 Technical data of DB-405 electronic glass SJ/T10588.4-1994 Standard download decompression password: www.bzxz.net
Some standard content:
Electronic Industry Standard of the People's Republic of China Technical data of typeDB-405electronic glass Technical data of typeDB-405electronic glass1Subject content and scope of application This standard specifies the chemical composition and physical and chemical performance indicators of DB-405 electronic glass. This standard is applicable to glass materials used in electronic devices such as medium-sized receiver amplifiers. 2Referenced standardsWww.bzxZ.net GB9000 Standard method for chemical analysis of electronic glass. Test method for physical and chemical properties of electronic glass GB9622 3Technical requirements Chemical composition is shown in Table 1. Weight percentage 63.5±1.0 20.5±1.0 14.0±0.5 Note: 1) Fe2O, as an impurity control, is not included in the percentage composition. 3.2Physical 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/T10588.4-94 Replaced SJ2409-83 Test method GB9000.12 GB9000.10 GB9000.14 Implemented on 1994-12-01 Indicator name SJ/T10588.4—94| |tt||Average linear thermal expansion coefficient in the range of 0~300℃αDensity 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 100MQ·cm (Tx-10)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. 1/℃ This standard was drafted by the Standardization Institute of the Ministry of Electronics Industry and the 772 Factory. The main drafters of this standard are Wang Yongmei and Liu Chengjun. Refers to (88.0±2.0)×10- 2.200±0.030 635±10 460±10 420±10 ≥160 ≥110 This standard was first issued in December 1983 and revised for the second time in August 1994. 2 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.