Electronics Forum: measuring (Page 105 of 265)

Re: Component wastage

Electronics Forum | Mon Sep 27 18:06:26 EDT 1999 | Scott Cook

| Does anyone have any figures on what % extra compnents should be supplied on chip components for a particular product build. Typicaly there is wastage due to dropout in loading, 1st board build and machine rejections. Is there any industry standard

Re: SMT productivity measurement

Electronics Forum | Fri Sep 10 13:25:37 EDT 1999 | Earl Moon

| Currently, I have been requested to measure our SMT productity, capacity levels. I employed "pcs/day" as a base to come out with | indicators for the top management decision-making. Anyone has | other ideas to measure these two items? | | What

Re: SPC Data Entry System

Electronics Forum | Thu Sep 09 13:31:26 EDT 1999 | Brian W.

| | My company is looking to perform "real time" statistical process control on our current SMT operations. I have identified the critical processes for SPC but have not had much luck in finding a system(s) that can monitor the required processes for

Re: Solder Paste Testing

Electronics Forum | Fri Jul 23 13:14:17 EDT 1999 | Steve Schrader

| Has anyone ever heard of testing solder paste quality by pasting a board and making a determination of the quality by measuring paste height and width after the board is pasted. Would you consider this a valid test for solder paste testing? | Mar

BGA REBALLING

Electronics Forum | Fri Jul 23 01:03:28 EDT 1999 | KYUNG SAM PARK

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 ] ��DESOLDERING HEAT ��IRON TIP TEMP : 350-370��(MEASURED) ��REBALLING

PCb surface Resistance

Electronics Forum | Fri Jun 18 08:19:12 EDT 1999 | Sergio Luiz Vito

There is a PCB with SMD components glued on bottomside. When I make tests for checking the resistance of glue the result is a break in the surface of PCB. How can I measure the surface resistance of PCB surface? How can I increase this resistance?

Re: Hunter Paste Height Measurer

Electronics Forum | Thu Apr 29 16:19:15 EDT 1999 | keith cathcart

| Has anyone heard of this company? We have one at our facility and I can't find them listed anywhere. I looked through this years NEPCON directory with no listing there either. We have some parts that need replacing so any help would be greatly a

Re: Hunter Paste Height Measurer

Electronics Forum | Thu Apr 29 16:21:26 EDT 1999 | Dave F

| | Has anyone heard of this company? We have one at our facility and I can't find them listed anywhere. I looked through this years NEPCON directory with no listing there either. We have some parts that need replacing so any help would be greatly

Re: Hunter Paste Height Measurer

Electronics Forum | Thu Apr 29 16:22:57 EDT 1999 | Dave F

| | | Has anyone heard of this company? We have one at our facility and I can't find them listed anywhere. I looked through this years NEPCON directory with no listing there either. We have some parts that need replacing so any help would be great

jedic qfp trays

Electronics Forum | Tue Mar 16 09:31:21 EST 1999 | Dave Manero

I am looking for the dimensions of the qfp trays. I need to no the center to center as well as the edge to center. I will use this information to program the fuji QP machine for placing 44pin QFP from the tray, or other devices. I can measure this by


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