GOST R 56252-2014 Printed circuit boards Test Methods for Influence of chemical factors and environment《印刷电路板 化学因素和环境影响的试验方法》.pdf

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1、 56252 2014 562522014 II 1 - 2 420 , 3 26 2014 . 1789- 4 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , 562522014 1 Printed circuit boards. Test Methods for Influence of chemical factors and environment 20150601 1 , , . , . , - , , , , . , , . 2 : 53386 2009 . 548492011 . 556932013 . 557442013 .

2、 1 , , , . , , (). , , , , , . , , , , . 3 , 3.1 53386. 3.2 : . 562522014 2 4 4.1 : , , . . : , , , . . . . . 4.2 4.2.1 , : - 15 35 ; - 86 106 (645 795 . ); - 45 % 75 % : 23 25 48 % 52 %; 27 63 % 67 %, . 4.2.2 , -, . - . -, , . 5 5.1 , , . 5.1.1 , . 75 25 , . . 5.1.1.1 , : - ; - ; - ; - 30 %- ; - 3

3、 %- ; - 10 %- ; - 50 %- ; - ; - ; - 4- ; - 10 %- ; - 5 %- ; - 10 %- ; - 10 %- ; - 10 %- ; - 2 %- ; - 3 %- ; - 10 %- . 5.1.1.2 562522014 3 48 (23 1) , (50 4) %. , 0,025 . , 60 , (23 1) , . 24 . , , . , . , , (, ), . 4 . 5.1.2 , . : - ( ) , , : 4,6 203,2 , 0,51 203,2 ; 12,7 4,6 , - 55693; - ( ) , 11,7

4、 203,2 . 5.1.2.1 , : - , ; - ; - : 0, 5 % / 5 % 0,5 % , (55 5) ; - : 2N , (23 5) ; - : , (23 5) - , . , , , . 5.1.2.2 . 24 (23 2) , (50 5) %. ( ) 1 , . , , (55 5) 1 . 15 30 , , , , . 55744 ( 5.3.2). 100 = % . (1) 100 %. 562522014 4 24 (23 2) (50 5) %. . 1530 , , . 1624 , . 5.1.3 , . -, . , . 5.1.2.1 , : - ; - 2 ; - ; - , 2 / 10 /; - 10 %- , : 5 % , 2,5 % 2-, 2,5 % , 90 % ; - 5.1.3.2 ( ) , 1. 1 , , 2 75 %- 46 2 15 10 %- 57 2 2 57 2 2 60 2 5 . 10 , , . 5.1.4 , - . , . , , , , . . 10 1 2. - 35 2. 5.1.4.1 , : - ; , ; - 25 75 ; - 60 . 5.1.4.2 - . - 0,25 0,50 , 562522014 5 , . ,

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