Electronics Forum: electron (Page 7316 of 7890)

Re: THE ANSWER FOR MR. EARL MOON

Electronics Forum | Fri Jul 23 09:01:36 EDT 1999 | Earl Moon

| HI Earl | Thank you for your answer. | Let me know you about the hot you mentioned | First of all, The rework machine is the BGA3500 (manufactured by 0.k international:U.S.A) | ��DESOLDERING HEAT :OVER 200��(CENTIGRADE),30SEC(CHECKED

Bga reballing

Electronics Forum | Thu Jul 22 21:48:21 EDT 1999 | kyung sam park

Does anyone have any experiences with bga reballing. When I had reworked failed bga part with new part It was good. So I tried to reball bga detached but failed . I guess the cause of fail is thermal shock. IS IT OK TO REBALL BGA PARTS DETACHED ?

Re: Bga reballing

Electronics Forum | Thu Jul 22 22:57:14 EDT 1999 | Earl Moon

| Does anyone have any experiences with bga reballing. | When I had reworked failed bga part with new part It was good. | So I tried to reball bga detached but failed . | I guess the cause of fail is thermal shock. | IS IT OK TO REBALL BGA PARTS

Re: Bga reballing

Electronics Forum | Mon Jul 26 15:09:31 EDT 1999 | APE South

| Does anyone have any experiences with bga reballing. | When I had reworked failed bga part with new part It was good. | So I tried to reball bga detached but failed . | I guess the cause of fail is thermal shock. | IS IT OK TO REBALL BGA PARTS

Re: What's a good sub for 1,1,1-trichloroethylene

Electronics Forum | Thu Jul 22 16:36:06 EDT 1999 | Mike Konrad

Scott is right, Alpha' 2110 is a good saponifier (be careful though as it can dull your leads). Saponifiers in general are better if used in an aggressive spray-in-air system. Low agitation immersion systems (heated baths or refurbished vapor degre

Re: Stencil screen cleaners

Electronics Forum | Fri Jul 23 09:17:30 EDT 1999 | Earl Moon

| Dear Jason, | Smart Sonic has over 500 stencil cleaners in operation around the world. The Smart Sonic Stencil Cleaning Process is the only cleaning process that is Certified Environmentally Safe by the Environmental Protection Agency (EPA) and ve

Re: Epoxy fiducials

Electronics Forum | Fri Jul 23 12:47:20 EDT 1999 | Bill Schreiber

Dear Earl, At Smart Sonic, we have seen fiducial deterioration as a result of the epoxy not being water-safe. Unfortunately, many stencil manufacturers believe their customers are still cleaning with solvents and therefore use an epoxy that is solve

Re: Epoxy fiducials

Electronics Forum | Tue Jul 27 17:12:11 EDT 1999 | Earl Moon

| Dear Earl, | At Smart Sonic, we have seen fiducial deterioration as a result of the epoxy not being water-safe. Unfortunately, many stencil manufacturers believe their customers are still cleaning with solvents and therefore use an epoxy that is s

Re: Forum Sales

Electronics Forum | Wed Jul 28 16:05:12 EDT 1999 | Rob Fischer

| | | Just go look at the thread on stencil cleaners started by Scott Davies in the March 1-15, 1999 achives if you want to see some juicy stuff...then make your mind up about vendor inputs. Pretty obvious if you ask me... | | | | | | -Steve Gregory

Re: Profiling

Electronics Forum | Thu Jul 22 12:05:33 EDT 1999 | John Thorup

| | Which among the two profiling method is more reliable/accurate in getting the oven thermal profile? | | | | a) using a HIGH-TEMP solder wire then soldering the thermocouples onto the profile points of the board (e.g. component lead etc.) | | |


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