SJ/T 10588.21-1994 Technical data of DB-474 electronic glass SJ/T10588.21-1994 Standard download decompression password: www.bzxz.net

Electronic industry standard of the People's Republic of China
SJ/T 10586~105S294
Electronic glass technical data1994-08-08Release
1994-12-01Implementation
The Ministry of Electronics Industry of the People's Republic of China has issued the electronic industry standard of the People's Republic of ChinaWww.bzxZ.net
Technical data of.type DH-474 electronic glass
Technical data of.type DH-474 electronic glass Subject content and applicable scope This standard specifies the chemical composition and physical and chemical performance indicators of DB-474 electronic tubes. This standard is applicable to glass materials used in color picture tubes, etc. 2 Reference standards CISDOO CE9622 GT/T14G17 3 Technical requirements for the general specification of the casing 3.1 Chemical composition See Table 1. 50. 21-1. 3 4.x0 +0. 15 s0+613 3.15+0.13 23. ou - 0. 20 s. su+u, 15
3- 30 1. 0, [5
Continued c, as miscellaneous, not counting the percentage of the group, 3. 2 Physical and chemical properties are listed in Table 3
People's Republic of China Electronic Industry 1994-8-08 approved SJ/T 10588.21 S4
GB uut. 2
GBuuo,7
GE 20u.-1
GB JGJU..2
GB gCK..2
1594-12-01 implemented
SJ/T 10538. 21-94
~310C stock A average line hot grinding account model soft ratio point
Annealing point
Sequence change point
6MHz 21 according to the angle tangent value
30 volume resistivity g
K line win system effect (n.06mm, 35keV)
Water resistance chemical ranking
(07. $±C.7)X10-1
3. 91+3. 915
665±3
495±3
365,06
Test method
GB 9622-2
H5h224
GE 9G22.5
GB9622.8*1
GB/E 14D12
Article 4.5. 4
G89623.11
Method: 2) The 4.5 and 1.6 are combined and carried out according to the following regulations: the measurement starts from the starting point, keeps at 300℃ for 10min, starts full measurement, continues to increase the furnace standard, measures 10 times at the height, and measures at the height of 3 stations. Additional remarks:
This standard was drafted by the Standardization Research Institute of the Ministry of Industry and Information Technology under the Ministry of Electronics Industry. The main drafters of this standard are: Su Mei, Du Chengju, 55
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