Technical data of Type DM-346 electronic glass

SJ/T 10587.4-1994 DM-346 electronic glass technical data SJ/T10587.4-1994 standard download decompression password: www.bzxz.net

Electronic industry standards of the People's Republic of China
SJ/T 10586~105S294
Electronic glass technical data
Electronic glass technical data1994-08-08 Issued
1994-12-01 Implementation
The Ministry of Electronics Industry of the People's Republic of China has issued the electronic industry standards of the People's Republic of China
DM-346 electronic glass according to technical data
Techntcal data nf 1yTe TM-346 electronic. glass Subject content and applicable scope
This standard specifies the chemical composition and chemical performance indicators of DM-346 type electronic glass. This standard is suitable for glass materials used in electronic devices such as high-power tubes and medium-sized circuits. 2 Reference standards
GB Standard method for chemical analysis of electronic glass
GB6622 Physical and chemical test methods for electronic equipment 3 Technical requirements
3.1 Chemical composition see Table 1.
Direct percentage
68.511.67
2. 5±D. 5
5.0±0. 3
Note: 1) F0, as a control, does not count the percentage exceeding 3.2 Inhibitory lipid index see Table 2.
1994-08-08 approved by the Ministry of Electric Industry of the People's Republic of China SJ/T 10587. 4 94
Test method
GB 9000.7
GB 9000.3
G 3800. 8
GB 3000.6
GB3000.14
19941201 implementation
Indicator name
SJT30587.4·94
0~309T range average linear drop effect
softening point
decrease point
study pointwwW.bzxz.Net
single 5MHs plate 20 hours loss material cut tg×19
also the area of ​​1DOM1·cm when the resistance is (F,-1%9
thermal qualitative
anti-hydration seasonal dispersion qualitative and other
additional remarks,
this standard is approved by the Standardization Research Institute of the Ministry of Electronics Industry, 17 :
This standard was drafted by the 772nd Factory and the Standardization Research Institute of the Ministry of Industry. The main authors of this standard are Wang Qiushu and Liu Chenggou. This standard was first issued in 2973 and was finalized in 1991. 16
(47.0±1.D)×)c-
2.340±D.D15
720+1u
540116
490120
Test method
GB 9628.4
GB 9622-11
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