Electronics Forum | Thu Aug 31 18:48:25 EDT 2023 | SMTA-64387600
I presume you have a local flux spray with your selective solder machine (I have no idea what you use). If I have a group of leads in close proximity like this, I would be trying to design a well and nozzle setup that I can use to solder all the joi
Electronics Forum | Fri Sep 17 15:01:05 EDT 1999 | Dave F
| | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a re
Electronics Forum | Fri Apr 30 03:49:25 EDT 1999 | Charles Stringer
| | | | We use Immersion Gold (AuNi) for our 20 mil pitch and BGA boards. | | | | Lately, we have been having solderability problems with boards with this surface from some of our suppliers. | | | | | | | | We are considering trying boards with Whit
Electronics Forum | Sun Aug 30 16:36:31 EDT 1998 | Steve Gregory
Hi Kc! I went to Surface Mount International last week, and had a chance to see a way to reball BGA's that is very simple, and not expensive at all. I've seen the advertisements in a few magazines, but this was the first time I've seen it live. It's
Electronics Forum | Fri Jul 10 13:16:27 EDT 1998 | Bill Schreiber
To electropolish or not to nickel plate, that is the question. Whether it be nobler in the minds of the competition could be the answer. I think it will probably depend upon whom you ask the question. If the stencil mfgr. has nichel plating capibil
Electronics Forum | Mon Jul 20 23:40:31 EDT 1998 | Alex Ondi
| To electropolish or not to nickel plate, that is the question. Whether it be nobler in the minds of the competition could be the answer. | I think it will probably depend upon whom you ask the question. If the stencil mfgr. has nichel plating cap
Electronics Forum | Fri Jun 27 10:27:59 EDT 2003 | davef
Since you�re asking the question about proper handling of OSP board, there may still be time to talk you out of using that material. * Cleaning of mis-printed board could cause non-wetting problems. This tends to remove a fraction of OSP coating. 0.3
Electronics Forum | Sat Feb 14 19:35:51 EST 1998 | C. Lao
Mr Lao We have some specialist knowledge on this subject and offer both equipment and services for these tests. My first recommendation is that take coupons manufactured by your PC Fabricator and then samples at each manufacturing stage: Bare coupon
Electronics Forum | Wed Mar 28 17:22:18 EST 2001 | billschreiber
Hello Mike, Let me try to explain the Certification vs. Verification for you. There are two EPA programs. The California Environmental Protection Agency's Certification Program where Cal/EPA Certifies the entire cleaning process for environmental sa
Electronics Forum | Tue Oct 12 05:46:12 EDT 1999 | Brian
| Thank you all for your replies. I guess my age in this industry is showing. This military spec. does not appear to be in existance. So, let me make my request a little more to the point: | | Is anyone aware of a specification specifically refer
