SU1214372A1 - Soldering paste for soldering and tinning - Google Patents

Description

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Trimethylbenzylammonium chloride Modified polyester resin Benzyl alcohol Powder-like solder POSV-50

(known a |

one

2 3 4 5 I

2 3 4 5 1

2 3 4 5

one

2 3 4

12.0 8.0 6.0 8.0 6.0 10.0 6.0 8.0 10.0 12.0 8.0 10.0 8.0 10.0 8.0 42 48 52 40

2,93,8

10,99,4

5.64.7

19,482.1

Table

Coupling force of the joint, kg / cm

4СО lOjO iO, 0 6.0 10.0 10.0

-,about

6.0 10.0 10.0

4.0 0 10 12.0

8.0 40 42 50 48

60 70 68 75 80 82 98 90 100 120 80 78 70 85 90 45 35 42 35

71 72 76 75 85 84

100 80 88

100 85 70 78 85

100 40 38 45 35

68 80 80 80 90 84

100 85 92

100 80 72 BO 75

1 10 40 52 40 42

Claims (2)

Soldering paste for soldering and tinning, containing a polymer resin, a fluxing element, a solvent and a powdery solder, is different in that, in order to increase the fluxing activity of the paste at a soldering temperature of 100-180 ° C, it contains trimethylbenzylammonium chloride as a fluxing element , as a polymer resin, a modified polyester resin, and as a solvent, benzyl alcohol, in the following ratio of components, wt.%: Trimethylbenzylammonium chloride Modified Polyester Resin Benzyl Alcohol Powder Solder 2.0-3.8 9.4-12.4 4.7-6.5 Rest