24873 used results

Electronics Forum: used (Page 756 of 2488)

Solid Solder Deposit

Electronics Forum | Thu Aug 05 17:26:21 EDT 2004 | russ

What happens to the flux and pads on the second side of a double sided board during the first reflow? It seems to me like the solder would dome and the flux would be used up and migrated to other areas. Russ

Solder balls - Pb wave soldering

Electronics Forum | Thu Aug 05 17:29:24 EDT 2004 | russ

what type of flux are you using and what type of solder resist is on the PCB solder resist (Gloss or Matte), also what is the orientation of the connector to the wave flow and what is the pitch of the leads? Russ

Matte tin finish

Electronics Forum | Thu Aug 05 10:55:19 EDT 2004 | jim_bob

Thanks. Yes, this is a interesting topic, and one that keeps our component engineers busy these days. I'm familiar with the data you referenced. Is there a "easy" method (test method) to use at incoming inspection to verify a termination is "matte

Inspection criteria on PIH parts

Electronics Forum | Wed Aug 04 18:43:42 EDT 2004 | davef

We agree with you. Since when do failures ask themselves about the process used to attach them to the board, before failing. Smack your colleagues for us!!!

If we could bake the Board with OSP finish?

Electronics Forum | Thu Aug 05 13:37:28 EDT 2004 | davef

Baking your boards will redue the amount of OSP on the board. If you use the boards quickly, you probably will not have a problem with baking [and don't bake too long]. Why do you want bake this board?

RC Filter

Electronics Forum | Thu Aug 05 09:23:36 EDT 2004 | blnorman

We're using a RC filter network that we're having solderability problems with. There are 4 RC pairs with 2 ground connections (this is a leadless component). The problem we're having is non-wetting of one of the castellations (9 of the 10 scallops

Screw

Electronics Forum | Thu Aug 05 11:37:24 EDT 2004 | Andrew

I was told by the customer to change the screw with washer to a screw without washer as the washer causing the overlay Lexan Material underneath the washer to bulge.What should I be looking at to make this change?Can I just use the same screw without

Screw

Electronics Forum | Thu Aug 05 20:24:58 EDT 2004 | Haran

The customer asked me to propose the type of screw and if possible the type that we are using for other products.With that proposal he will create documentation to make the changes.This customer always discuss with us for any improvement.