Electronics Forum: side (Page 61 of 507)

What Is This On This Board?

Electronics Forum | Tue Dec 05 21:11:35 EST 2000 | Dave F

The CDROM player in my personal computer just died and I replaced it with a more lively unit. Being an inveterate gearhead, of course I had to field strip the old CDROM player as soon as I pulled from my PC [and got the new one running]. There are

Re: double sided step by step

Electronics Forum | Tue Oct 05 02:31:06 EDT 1999 | Eric

| | Hi everyone, I need some help on the whole process of double sided surface mount. We have been doing surface mount for about 3 months and we're getting ready to take on our first doule sided board. I just need some step by step process regarding

Re: BGA collapse during reflow

Electronics Forum | Mon Jul 12 12:28:10 EDT 1999 | Wolfgang Busko

| I need some advice concerning reflow of a BGA-292. Since I am not ready to change my entire process to no-clean, I decided to place the lone BGA-292 on a proto run using our BGA re-work station. The pcb is a moderately dense, single-sided, 8-laye

Re: BGA collapse during reflow

Electronics Forum | Mon Jul 12 12:39:39 EDT 1999 | M Cox

| I need some advice concerning reflow of a BGA-292. Since I am not ready to change my entire process to no-clean, I decided to place the lone BGA-292 on a proto run using our BGA re-work station. The pcb is a moderately dense, single-sided, 8-laye

Wave solder edge covers

Electronics Forum | Wed Jun 30 10:37:11 EDT 1999 | Boca

We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design). Inste

Re: Wave solder edge covers

Electronics Forum | Wed Jun 30 11:38:05 EDT 1999 | Brian Conner

| We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design). Ins

Re: Double sided reflow

Electronics Forum | Wed Feb 18 12:08:04 EST 1998 | Eyal Epstein

Hi, I am from Celtronix Ltd. we are a provider of Odd Form assembly equipment and have gained a lot of experience in double side reflow, both the chemical side of it as well as the automatic insertion of all types of TH components in paste. Enclosed

Solder balls on Cleaned process

Electronics Forum | Wed Oct 17 17:43:27 EDT 2001 | davef

2) Open time: A 15-minute queue between paste, place, and reflow SB fine, assuming humidity is not too great. 3) Wash temperature: Yes. A wash temperature of 130-140�F SB fine. 4) Reflowed board was left too long prior wash: Are you washing: * After

Noob needs a little help

Electronics Forum | Tue Nov 04 15:17:52 EST 2008 | iziris

This is my first circuit board that I am attempting to build and need a little help. Not exactly sure what is going on but maybe one of you guys could give some input. I am attaching the electrical diagram I am using. Everything thing seems to be wor

Re: Cure/Reflow Profile

Electronics Forum | Tue Feb 22 11:53:16 EST 2000 | JAX

Sal, To answer your first statement; Yes, you can cure paste and reflow solder using one profile. Question on your second statement; Are you talking about running passive side glue, flipping it over, running active side solder, and then putting the


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