Electronics Forum: leaching and h and solder (Page 1 of 3)

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

OSP and SIR

Electronics Forum | Wed Aug 21 17:44:32 EDT 2002 | davef

Splitting hairs, I expect SIR of all solderability protection, including OSP, to decrease after reflow. What�s more, I expect the SIR of all solderability protection to pretty much decrease over time. The �comb pattern� test specimens meet requirem

CSP and BGA soldering difference.

Electronics Forum | Mon Apr 02 01:24:52 EDT 2007 | Haris

Dear all, I want to know the difference between the CSP and the BGA (I think there is only in the mesh pin difference). Secondly, if their solder balls have same dia, LxBxH are also same with the the manufacturing of the pin coating chemical elemen

Heat guns and component damage

Electronics Forum | Tue Jan 31 15:40:44 EST 2006 | mgdrouin1

Comp is relay. I've pulled the spec. Max 240. Using Leister h/g with manual temp settings from 1-6 (20 - 600C)set by the operator. Gun was set to setting 4. They are using the heat gun to reflow the solder after SMT but before wave. High fai

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 10:03:46 EDT 1998 | Earl Moon

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, We and ind

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 12:20:16 EST 2006 | cvoyles

Hi Bruno, I am an equipment reseller in business since 1994. I have a Smart Sonic MG3000 ultra sonic stencil cleaner in inventory. It is a stainless steel model with Delta Sonics brand ultra sonic generator. It is the guillotine type that raises a

Heat guns and component damage

Electronics Forum | Tue Jan 31 15:51:04 EST 2006 | russ

Relays huh? I can tell you from previous experience that relays are not a good heat gun candidate. Did you check how long this part can withstand the 240? I do not know what the 4 setting is on a liester but it is probably well in excess of the 24

Solder Paste Storage and Control

Electronics Forum | Thu Oct 30 11:34:51 EDT 2008 | davem

Guys, So I recently started working for a small CM in Southern N.H. We currently use 2 Magic Chef Mini wine friges to store the solder paste (63/37, RoHS). I've been monitoring the room temp (and humidity) and the frige temps all this week. The pro

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 14:25:24 EDT 1998 | Earl Moon

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 There has b

Cracking Capacitors and Solder Balls

Electronics Forum | Mon Jun 08 14:19:30 EDT 1998 | Gary Simbulan

Earl, et al, Boy things get old and cold around here fast. I promised more detail on my capactior problem and I thought I could drop something completely different in the same message and tell a tale of solder balls. First the caps. We still have

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