Electronics Forum: scavenger flux spread (Page 8 of 10)

bulbous joint

Electronics Forum | Fri Feb 20 12:55:43 EST 2004 | russ

Ah, the old contour wave. I don't really know how to adjust those to get correct backflow to reduce your solder volume. I need to ask why you are worried about this. Do you have a QC requirement in excess of IPC class3 wich allows for this joint t

Re: Tape residue cleaner

Electronics Forum | Fri Apr 07 17:17:55 EDT 2000 | Dave F

Ashok: You should select and use low residue tapes. But ya know, ya go out and research a great tape and if yer not careful, the buyer will second source ya and (surprise) ya got residues again. We have found that Lemme say this about Katon tape

Re: Bridge on BGA

Electronics Forum | Fri Aug 20 17:17:14 EDT 1999 | K.T

| | | | Yesterday as I was creating a profile on a plastic BGA using Conceptronics freedom 2000 rework station, I happend to discover that I was able to remove solder bridging from a plastic BGA. | | | | | | | | This is what I did. | | | | | | | |

Re: optimized profile

Electronics Forum | Mon Apr 26 16:39:46 EDT 1999 | JohnW

| | Hello all, | | | | Our guys here still have some questions on the "optimized" profile which sees a more moderate ramp up straight to reflow temperatures versus the conventional profile which has a plateau at around 150 Celsius. If the optimized

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

Electronics Forum | Mon Apr 26 11:04:53 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 chemi

Re: Bridge on BGA

Electronics Forum | Fri Aug 20 14:51:47 EDT 1999 | Tony

| | | Yesterday as I was creating a profile on a plastic BGA using Conceptronics freedom 2000 rework station, I happend to discover that I was able to remove solder bridging from a plastic BGA. | | | | | | This is what I did. | | | | | | Created a

Re: Bridge on BGA

Electronics Forum | Fri Aug 20 14:51:55 EDT 1999 | Tony

| | | Yesterday as I was creating a profile on a plastic BGA using Conceptronics freedom 2000 rework station, I happend to discover that I was able to remove solder bridging from a plastic BGA. | | | | | | This is what I did. | | | | | | Created a

Re: BGA repair/rework

Electronics Forum | Sun Mar 07 08:19:24 EST 1999 | Earl Moon

| | | | | | | | I'm having a fun time between BGA rework/repair using an SRT 1000 and SPC efforts (much easier) using DEK stencil printing processes and BTU reflow with 6 Fuji lines in between. | | | | | | | | Concerning the BGA stuff, I'm getting

Re: all powerfull UP78..or is it..?

Electronics Forum | Sun May 02 11:53:43 EDT 1999 | Chrys Shea

| | Ok folk's has anyone used Alpha Metal's UP78 solder paste ? | | | | Our place is looking to move to that as the way to go, getting rid of the Hereaus 362's and Alpha 737's of the current set up. | | | | My question's are really : | | how is the

Re: all powerfull UP78..or is it..? - Homeplates..??

Electronics Forum | Sun May 02 19:09:46 EDT 1999 | JohnW

| | | Ok folk's has anyone used Alpha Metal's UP78 solder paste ? | | | | | | Our place is looking to move to that as the way to go, getting rid of the Hereaus 362's and Alpha 737's of the current set up. | | | | | | My question's are really : | |


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