# 301 surface tension results

## Electronics Forum: surface tension (Page 1 of 31)

### Solder surface tension

Electronics Forum | Fri Oct 08 20:23:23 EDT 1999 | Bix

Can anyone tell me the formula/method to determine the amount of weight that solder's surface tension can support. (ie: Maximum weight of components soldered onto a bottom side of a board during a top side reflow on a Paste/Paste process). Thanks, S

### Re: Solder surface tension

Electronics Forum | Wed Oct 13 14:42:39 EDT 1999 | John Thorup

Brian You're quite right. I frequently break this formula. The source recommends it as an almost assured success rather than an absolute. Given all the variables involved Steve should use it as a reality check and then just see what works. John T

### Re: Solder surface tension

Electronics Forum | Sat Oct 09 04:17:21 EDT 1999 | Brian

| Can anyone tell me the formula/method to determine | the amount of weight that solder's surface tension can support. | (ie: Maximum weight of components soldered onto a bottom side | of a board during a top side reflow on a Paste/Paste process). |

### Re: Solder surface tension

Electronics Forum | Sat Oct 09 07:33:23 EDT 1999 | Dave F

| | Can anyone tell me the formula/method to determine | | the amount of weight that solder's surface tension can support. | | (ie: Maximum weight of components soldered onto a bottom side | | of a board during a top side reflow on a Paste/Paste proc

### Re: Solder surface tension

Electronics Forum | Sat Oct 09 09:07:48 EDT 1999 | Brian

| | | Can anyone tell me the formula/method to determine | | | the amount of weight that solder's surface tension can support. | | | (ie: Maximum weight of components soldered onto a bottom side | | | of a board during a top side reflow on a Paste/Pa

### Re: Solder surface tension

Electronics Forum | Sat Oct 09 09:18:21 EDT 1999 | Dave F

| | | | Can anyone tell me the formula/method to determine | | | | the amount of weight that solder's surface tension can support. | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | of a board during a top side reflow on a

### Re: Solder surface tension

Electronics Forum | Tue Oct 12 05:09:13 EDT 1999 | Brian

| | | | | | | Can anyone tell me the formula/method to determine | | | | | | | the amount of weight that solder's surface tension can support. | | | | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | | | | of a board during

### Re: Solder surface tension

Electronics Forum | Sat Oct 09 10:30:24 EDT 1999 | bix

| | | | | Can anyone tell me the formula/method to determine | | | | | the amount of weight that solder's surface tension can support. | | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | | of a board during a top side refl

### Re: Solder surface tension

Electronics Forum | Mon Oct 11 12:49:11 EDT 1999 | John Thorup

| | | | | | Can anyone tell me the formula/method to determine | | | | | | the amount of weight that solder's surface tension can support. | | | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | | | of a board during a top s

### RMA flux affecting surface tension

Electronics Forum | Tue Aug 26 15:51:42 EDT 2008 | kpm135

Did you check to see if the manufacturer's recommended reflow profile varied significantly for the new flux?

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