Electronics Forum: care (Page 6 of 128)

Is there a Selective Soldering board design IPC standard?

Electronics Forum | Wed Mar 02 02:37:52 EST 2022 | davef

None of the IPC standards care how boards are soldered

In your experience, do your customers care....

Electronics Forum | Thu Mar 13 15:43:47 EDT 2008 | pms

IPC design standards ??? hahahahahahahahahahaha !!!!!! 99% of our customers could care less, let alone WHAT IPC design standards are, and WHY. Tell a design engineer ? hahahahahahahaha !!!! You'll might bruise there fragile little ego.... and.

Solder balls

Electronics Forum | Mon Jul 28 13:16:47 EDT 2008 | realchunks

Be careful of just reducing your aps. Too much can cause tombstoning if your print is slightly off or your placement isn't right on. Also be careful of the "pac-man" type of ap - it can lean to asty cuts if you wipe off your stencils by hand. Do

Conformal Coating Guidelines

Electronics Forum | Fri Aug 06 11:25:48 EDT 2021 | stephendo

You really need your customer to provide a drawing of coated, keep out, and don't care. People new to coating don't realise the importance of having a don't care buffer area around the keep out areas. And conformal coating wicks up leads quite easil

To overcome human problem

Electronics Forum | Mon Dec 22 08:20:34 EST 2003 | kauerr

Hi,I am a Mfg. Engineering Tech. and do Maintenance on all of our Equipment. 4796 HSPs, Dek 265 LT screen printers, GSMs, ect. We have 6 lines of equipment with certain operators assigned to each line, and you can really tell which operators do or do

In your experience, do your customers care....

Electronics Forum | Thu Mar 13 15:17:03 EDT 2008 | slthomas

about WHY violating IPC design standards gives you grief? Do they even know they exist? We've got one in particular that seems to shoot from the hip. I want to tell them the "why" as well as the "what" so they'll be a little more proactive. My fee

Non-wettig on chip cap.

Electronics Forum | Mon Dec 10 13:56:51 EST 2001 | slthomas

1) The additional activity of the OA flux probably took care of the oxydation. How do you plan on taking care of the presence of conductive and corrosive residues from it now, though? You're not supposed to wash those parts with water. 2) The tomb

SMT Production Capability

Electronics Forum | Tue Jan 27 20:03:11 EST 2004 | davef

Consider contacting other university SMT laboratories. Among them are: * Purdue University * Georgia Tech * SUNY Binghamton Actually, you really don't care what the machines do. You care about, 'Which companies will donate machines' [even if they'

Type of NEXLEV Connector

Electronics Forum | Sat Apr 23 13:54:09 EDT 2005 | Indy

I don't know wat are the types.. but wat I can tell you is you need care while profiling them. it needs a peak of around 215-220 if Sn/Pb.. at the ball. So the plastic on top will reach a higher temp. Care must be taken so that it doesn't roast. al

Manncorp Wave Solder

Electronics Forum | Thu Aug 11 16:25:27 EDT 2005 | pjc

Just be careful on preheat. They tend to be weak on those small low cost machines. How well they work for you depends on what type of boards you plan to run. Large thick boards or high thermal mass boards will not likley run too well. Take boards to


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