Electronics Forum: electronics (Page 6561 of 7890)

Re: Metal baskets for cleaning of PCBA's

Electronics Forum | Tue Apr 27 12:04:44 EDT 1999 | Bob

I hope I'm not too late with some help for you. I have purchased stainless steel wire cleaning baskets for a vapor degreaser from: Cooley Wire Products 5025 North River Road Schiller Park, IL 60176 847-678-8585 fax 847-678-8612 They do a very nice

Re: Cleaning procedures for Entek-Plus Cu-106A

Electronics Forum | Wed Apr 21 20:01:00 EDT 1999 | Dave F

Earl said, in essence: | Justin is absolutely right ... | | Again, Entek is not much more than a flux coating ... | | Metallic coatings protect best, as we all know - especially those electroplated. Those coatings chemical come in next to no coati

Re: Low-temperature, lead-free solders

Electronics Forum | Thu Apr 22 16:07:36 EDT 1999 | Rick

| | Do solders exist that are both lead-free and low-temperature (e.g. 100-170 Celsius range)? If so, who supplies these materials? Any websites or contact information would be most helpful. | | | | Also, I am not an expert on soldering, so any

Re: Floor Wire less strap

Electronics Forum | Mon Apr 19 13:17:00 EDT 1999 | Dave F

| Dear all | Considering Anti static precautions? | 1-Do we need to add a layer of ...say . Epoxy for the floor in our factory? | provided that .The current floor is hard top concrete of 250 Kg/cm2. | 2- Anti body heared about Wire less Hand strap So

Re: Lifted Leads on Fine pitch QFP's

Electronics Forum | Mon Apr 19 08:50:46 EDT 1999 | J.H.

25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo

Re: Lifted Leads on Fine pitch QFP's

Electronics Forum | Mon Apr 19 14:38:01 EDT 1999 | Chrys Shea

25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo

Re: Lifted Leads on Fine pitch QFP's

Electronics Forum | Mon Apr 19 22:52:59 EDT 1999 | Dean

25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo

Re: Lifted Leads on Fine pitch QFP's

Electronics Forum | Tue Apr 20 23:18:48 EDT 1999 | KEVIN SIMPSON

25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo

Re: What is spec on stretch????

Electronics Forum | Fri Apr 16 17:19:59 EDT 1999 | Dave F

| | Hi, | | I just cheesed my previous attempt at this. I looked through IPC 600 and couldn't find anything relating to dimensional stability of a board with regard to stretch. I found bow and twist but nothing on size. I have a PCB that is .030"

Re: Humidity bake bends leads

Electronics Forum | Fri Apr 16 19:02:39 EDT 1999 | Dave F

| While trying to sell me a low temperature baking system for SMDs the salesman mentioned that the 125C for 24hr bake had been known to cause co-planarity defects. | I thought I'd ask some experts. Any help guys? | Gerry: I imagine there could be s


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