Electronics Forum: board (Page 1121 of 1638)

Re: Adding a trace to a PB

Electronics Forum | Tue Jun 22 10:05:33 EDT 1999 | Chrys Shea

| | We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process. | | | |

Re: Adding a trace to a PB

Electronics Forum | Tue Jun 22 12:22:34 EDT 1999 | David Spilker

| We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process. | | Does a

Re: problem when testing the RF product

Electronics Forum | Mon Jun 21 12:03:20 EDT 1999 | Scott Cook

Since Vic posted me privately and asked for the SIR test parameters I spoke of in my other post, I thought I'd respond on the forum. Ok, here they are, per Joe Keller--Solder / process consultant AKA Manko..... This is an accelerated SIR / dendrite

Re: Docu for PCT 395 bbl

Electronics Forum | Wed Jun 16 22:16:26 EDT 1999 | Dave F

| We are looking for documentation on a PCT 395 bare board loader, manufactured 6/95. Since March 28 we are trying to get this docu from PCT but they "do not have the man power" to copy and send this docu right now. Can anyone help us? Wiring diagram

Wave Soldering DPPM

Electronics Forum | Mon Jun 14 07:41:47 EDT 1999 | Vinesh gandhi

Dear All, We are having a big debate over what is the industry standard in DPPM on the wave sodlering process. is a DPPM of about 800 satisfactory. As per our big bosses it should not be more than 50 DPPM. Is the figure realistic. We are typicall

Re: Metal based PCB reflow.

Electronics Forum | Thu Jun 10 12:10:41 EDT 1999 | Earl Moon

| | | I am starting a new project which involve 3 oz copper layer with 20 mil components on the top of the board and 0.040" thick copper with D2Pak on the bottom of the board. | | | There is anybody has experience on metal-based PCB reflow process?

Re: Anyone know a independent PCB inspection of BGA (X-Ray).

Electronics Forum | Tue Jun 08 12:53:01 EDT 1999 | Dave F

| Anyone know a independent PCB inspection of BGA (X-Ray). We have several test boards that need BGA inspection. | Try: Fein Focus 614.885.3040 Bob Ward Pantak 203.468.3011 Bob Maziuk Accurel (Feinfocus) Sunnyvale, CA 408-737-3892 Regina Campbell F

Re: Anyone know a independent PCB inspection of BGA (X-Ray).

Electronics Forum | Tue Jun 08 14:25:28 EDT 1999 | Tony

| Anyone know a independent PCB inspection of BGA (X-Ray). We have several test boards that need BGA inspection. | Rob, Try Qtron, Inc. They have a CRT X-ray machine. They also have BGA rework capabilities. Contact: Frances San Clemente (619) 530-3

Re: measuring pitch

Electronics Forum | Mon Jun 07 20:06:45 EDT 1999 | Frank

Thanks for the clarification! So in generic settings what are the normally the components with the smallest pitch? Will a machine with 20 mil capability handle almost anything? | | I was wondering what measurements are used to define pitch? | | |

Re: Thanks.

Electronics Forum | Fri Jun 04 17:26:11 EDT 1999 | C.K.

| | | | Geez, those test guys are always whining about via holes, aren't they? I even had one test guy go over to our finals/add-on department and instruct everone to look for unfilled vias and fill them by hand! Without consulting the area manage


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