Aha..found it.. - jneutron - Tweakers' Asylum

Aha..found it..

Posted by jneutron (A) on November 7, 2005 at 07:40:59

In Reply to: Re: Newbie Question - Solder posted by Jacques on November 4, 2005 at 14:19:31:

Thought I was gonna leave you out in the cold..I had a lot of articles to go through..

The article is "Ultrasonic Soldering in the Electronics Industry", John Fuchs, Blackstone Ultrasonics, Jamestown, N.Y. It was in "Printed Circuit Assembly", July 1989. Pages 42-45.

Left column, page 43.

Quote

""Fluxes also act as wetting agents, reducing the contact angle between the solder and the base metal. This property leds to wicking and capillary flow which is essential for solder to penetrate into typical solder joints such as those found.....""

I stopped looking after I found this. From what I recall, I had some other papers I had read from in that time period, I can't seem to get Texas Instruments out of my thoughts re this, as I believe they elaborated moreso on the contact angle thing, including some high mag pictures. What I find more interesting is that I remembered that from '89, but can't remember which days are trash days..duh..

I can scan the article if you're interested, but methinks you don't want to embark on U/S soldering techniques..and I'm sure you already understand the bulk of the article.

Cheers, John

This post is made possible by the generous support of people like you and our sponsors:

Follow Ups Full Thread

Topic - Newbie Question - Solder - James L 10:44:35 11/03/05 (20)

Re: Newbie Question - Solder - Julien43 05:01:50 11/06/05 (0)

Re: Newbie Question - Solder - pkell44 12:47:23 11/04/05 (2)

Re: Newbie Question - Solder - Pars 13:24:01 11/08/05 (1)

Re: Newbie Question - Solder - pkell44 08:53:49 11/09/05 (0)

Get a big enough iron - jnorv 20:30:39 11/03/05 (4)

What about for terminating cables? - James L 23:02:57 11/03/05 (3)

Re: What about for terminating cables? - Pars 11:20:43 11/09/05 (0)

Re: What about for terminating cables? - jnorv 18:24:28 11/04/05 (0)

IC's are not the place to start - Russ57 09:20:00 11/04/05 (0)

Re: Newbie Question - Solder - Jon Risch 18:44:32 11/03/05 (9)

Second your recommendation of 'Multicore' - gads 04:30:28 11/05/05 (1)

Third recommendation of Multicore - Duster 08:28:57 11/05/05 (0)

Re: Newbie Question - Solder - James L 00:37:28 11/04/05 (6)

Re: Newbie Question - Solder - Jacques 10:58:25 11/04/05 (4)

Re: Newbie Question - Solder - jneutron 11:13:19 11/04/05 (3)

Re: Newbie Question - Solder - Jacques 14:19:31 11/04/05 (2)

Aha..found it.. - jneutron 07:40:59 11/07/05 (1)

Re: Aha..found it.. - Jacques 16:10:39 11/07/05 (0)

Re: Newbie Question - Solder - jneutron 10:39:08 11/04/05 (0)

Re: Newbie Question - Solder - Tweekeng 13:08:15 11/03/05 (0)

Follow Ups

Aha..found it.. - jneutron 07:40:59 11/07/05 (1)

Re: Aha..found it.. - Jacques 16:10:39 11/07/05 (0)

You can not post to an archived thread.