Electronics Forum: temperature and cycling (Page 10 of 48)

paste Sn42/Bi58 and Lead Finish

Electronics Forum | Fri Nov 02 14:46:18 EDT 2012 | ericrr

So how does this (lead free paste Sn42/Bi58) solder compare with the Sn-Ag-Cu (Tin-Silver-Copper) combination which does not flow as well (in the oven), needs higher oven temperature, (that can be adjusted by reducing the oven chain speed) and cost m

Solder Splash/Balls and Flux Splash/Balls

Electronics Forum | Wed Dec 09 18:51:06 EST 2020 | johndep7

My company has been having issues with a lot of solder balls, solder splash, and flux balls all over a specific board. Now this is one of the only companies that require us not to clean our boards after our work is finished but this is also causing a

Re: SMD Inspection and Touch-up

Electronics Forum | Mon Jul 26 10:44:08 EDT 1999 | Boca

| There is a practise within the industry of an Inspector inspecting a board, and that same Inspector performing touch-up. My opinion is that the Inspection and Touch-up operations should be separate functions whereby the Inspector is not performing

Re: BGA and Gold Boards

Electronics Forum | Wed Jun 24 16:23:29 EDT 1998 | Justin Medernach

| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike Mike, Your concer

Coils and Water Soluble Fluxes

Electronics Forum | Wed Oct 10 13:51:08 EDT 2007 | petep

Coilcraft has posted the following and I am wondering how you folks are handling the use of coils in a Water Soluble world. PCB Washing and Coilcraft Parts Coilcraft tests for resistance to solvents per the following specification: Resistance to s

MPM Accuflex questions and issues

Electronics Forum | Wed Mar 07 12:57:55 EST 2018 | aemery

Gerber EZ is not available on the Accuflex platform. Speedline (now ITW EAE), like most manufactures, do not want to offer new tools on old platforms. There is one feature in the AccuPro software that I don't believe was added in any version of the

Re: Reflow glue and past.

Electronics Forum | Wed Feb 09 21:29:28 EST 2000 | Dave F

Charlie: People cure glue using their paste reflow profile all the time. And most of them are happy. Personally, I�m with Dean and Travis. It�s possible to as you suggest, it�s appealing not to mess with your oven profile, but it just doesn�t s

Palladium finish and solder balls

Electronics Forum | Thu Jun 27 11:22:03 EDT 2002 | robbied

Hi there. We have had an out of control reflow oven that has allowed its temperature to fluctuate by up to +/- 20 deg C from set point in very short periods of time. We found the root cause of the problem and fixed it, but by then we had already run

01005 components and reflow profiles

Electronics Forum | Mon Apr 09 19:50:33 EDT 2012 | action_101

Hello, We're building some boards with 01005's and the only issue we are running into is the solder is not reflowing. It's the damnest thing, we are having no issues with the printing process or placing the components, the two areas we thought we wo

Soldering robot and solder balls

Electronics Forum | Thu Jun 22 15:05:55 EDT 2017 | solderingpro

There are several different technologies in the industry today to assist in the out-gassing of flux cores. On automated soldering systems, there are two main types of perforating solder feeders: - Hole Drilling - "V" Scoring By perforating the so


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