Electronics Forum: lead free solder (Page 601 of 650)

Flat flexible cable to PCB (RoHS assembly)

Electronics Forum | Fri Dec 29 08:14:19 EST 2006 | joey_dragon

Thank you for the quick reply! Actually, the "type B" I referred to applies to a flex cable that can be found in this page: http://www.tennrich.com/trtw/cabling_3.php It is a reverse Engineering project and, from what I can see, there is, indeed,

gpu removal

Electronics Forum | Fri Sep 18 11:23:32 EDT 2009 | isd_jwendell

I know nothing about Xbox specific rework, but have a lot of experience with PCB repairs. "...maybe think its a bad idea now not knowing what im doing" Don't get discouraged, it's a learning process. If it was that easy everyone would be doing it.

Re: Warpage at Wave Soldering Stage

Electronics Forum | Mon Jun 14 13:47:54 EDT 1999 | Chrys Shea

| We are a medium sized PCB assy. house manufacturing about 2000 motherboards a day. There is a major problem we are facing at the wave soldering stage, i.e. warpage of the PCB. As soon as the PCB touches the wave it warps severely from the centre

Re: Warpage at Wave Soldering Stage

Electronics Forum | Wed Jun 16 07:34:17 EDT 1999 | Glynn Technologies and Manufacturing

| | We are a medium sized PCB assy. house manufacturing about 2000 motherboards a day. There is a major problem we are facing at the wave soldering stage, i.e. warpage of the PCB. As soon as the PCB touches the wave it warps severely from the centr

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 14:25:24 EDT 1998 | Earl Moon

| | Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | | Mike | There has b

Re: Brush-Up Your Intermetalics!!!

Electronics Forum | Thu Jun 17 22:10:48 EDT 1999 | Earl Moon

| | | Does anyone know where I can find a list of things to do to when troubleshooting issues during the wave solder process? | | | | | | for example: | | | | | | Solder Bridge | | | 1.verify amount of flux been aplied. | | | 2.verify turbulance on

Solder Spotting on Gold

Electronics Forum | Thu Aug 06 09:51:20 EDT 1998 | Bob Willis

This text may be of interest to any one with tin lead spots Guide to Solder Spots - A New Plague in Manufacture ? So what are solder spots ? They appear to be the next big problem in modern reflow assembly in fact in any process that involves solder

Part sliding in reflow?

Electronics Forum | Tue Apr 17 13:33:00 EDT 2001 | Kris W

Howdy all! Nothin' up my sleeve!!! While attempting to reflow an RF antennae on std FR4, HASL coated, using no clean paste, in a Research Thermaflo 10, the part sometimes slides on one of the pads (as much as 0.125"). There is a slight amount of w

Re: Noclean soldering to gold

Electronics Forum | Tue Dec 07 16:34:54 EST 1999 | Russ

Wolfgang, I appreciate your continued feedback! The main reason that I shortened the Time Above Liquidous (TAL) was it appeared that I was burning off all of the flux from the paste. By shortening the TAL to 45 seconds and decreasing peak temp to

Re: Paste Printing @ 45 degrees

Electronics Forum | Sat Aug 14 01:21:29 EDT 1999 | Dean

| | Has anybody adopted the method of stencil printing with the board at a 45 degree angle to the squeegee blade? What are the benefits and drawbacks? I've heard you get better fine pitch results. | | | | TX | | Mark | | | I have used thetechni


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