Electronics Forum: past (Page 919 of 990)

Re: Solder Balls.........Blah

Electronics Forum | Wed Jun 24 16:45:18 EDT 1998 | Bill Schreiber

| I know this topic has probably been talked about before...But I ran into a small situation where Solder Balls were appearing in large quantities on the PCB....the Problem has been isolated and taken care of, my question is, what are some good metho

Wavesoldering Organic Copper Coated Vias

Electronics Forum | Wed Jun 24 14:08:34 EDT 1998 | Henry Lee

I have a single-sided board with test vias that pass through the board. The test vias are pasted and reflowed with the SMT components on the top side. When the boards are wavesoldered, the solder coverage on the vias is spotty. Some will solder

Re: Wavesoldering Organic Copper Coated Vias

Electronics Forum | Thu Jun 25 08:30:39 EDT 1998 | Earl Moon

| I have a single-sided board with test vias that pass through the board. The test vias are pasted and reflowed with the SMT components on the top side. When the boards are wavesoldered, the solder coverage on the vias is spotty. Some will sold

Re: Wavesoldering ENTEK PLUS Coated Vias

Electronics Forum | Thu Jun 25 09:29:01 EDT 1998 | Henry Lee

| | I have a single-sided board with test vias that pass through the board. The test vias are pasted and reflowed with the SMT components on the top side. When the boards are wavesoldered, the solder coverage on the vias is spotty. Some will so

Re: Why use Nitrogen ??

Electronics Forum | Fri Jun 12 06:53:54 EDT 1998 | Earl Moon

| I am looking at purchaseing a full convection bench top oven from OK Industrys. (Model JEM-310) | It seems to have all the features that we will need for low volume production runs. | It has a Nitrogen input option, and I am intrested if anyone on

Re: TCP solder / desolder / rework

Electronics Forum | Tue Jun 09 09:40:47 EDT 1998 | Wolfgang Hantz

| We offer an upgrade service for notebooks with 486 SX/DX CPUs up to 586-133 MHz using the AMD 5x86-133 MHz CPU in the PQFP package. We are pretty succesful with this service and until today we did more than 1000 notebook upgrades this way. | Now,

Re: Nice philosophy

Electronics Forum | Wed Jun 10 14:22:07 EDT 1998 | Chrys

| | We offer an upgrade service for notebooks with 486 SX/DX CPUs up to 586-133 MHz using the AMD 5x86-133 MHz CPU in the PQFP package. We are pretty succesful with this service and until today we did more than 1000 notebook upgrades this way. | | N

Re: 1206 Jumper

Electronics Forum | Thu May 28 09:30:42 EDT 1998 | Chrys

| I have a component that is glue cured on the bottom of a pcb. The component is a 1206 size jumper. It is made up of iron/nickel alloy. The problem I am having is that the part will fall off the board during wave solder. Is the component not abl

Re: QP2 vs GSM

Electronics Forum | Fri Jun 26 13:52:05 EDT 1998 | jcc

| We are currently comparing the Fuji QP2 machine to the Universal GSM. The primary use will be for QFP's down to .4 mm pitch and for 300+I/O BGAs. My initial input has been that you spend alot of time tweeking PD's on the QP because the vision sys

Re: QP2 vs GSM

Electronics Forum | Tue Jun 09 00:31:56 EDT 1998 | Dave McDermid

| We are currently comparing the Fuji QP2 machine to the Universal GSM. The primary use will be for QFP's down to .4 mm pitch and for 300+I/O BGAs. My initial input has been that you spend alot of time tweeking PD's on the QP because the vision sys


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