Electronics Forum: 280 (Page 7 of 9)

Problems with SN100C in a Soltec Delta C Wave

Electronics Forum | Fri Jun 09 20:13:36 EDT 2006 | grantp

Hi, We have spent the day trying to profile our Vitroncis Soltec Delta C wave with the new SN100C solder, but having problems with the heavy pins on some BNC connectors we are using. We have Interflux no residue flux, and we are using palettes, whi

SMT Lead-Free Reflow

Electronics Forum | Tue Apr 15 15:10:28 EDT 2008 | markhoch

We currently are using an older Electrovert Convection 7-Zone reflow oven for our Lead-Free assemblies. It has a maximum per zone Temperature setting of 280 Degrees C. This is causing an issue with one particular customer who has a fairly dense produ

gpu removal

Electronics Forum | Fri Sep 18 11:23:32 EDT 2009 | isd_jwendell

I know nothing about Xbox specific rework, but have a lot of experience with PCB repairs. "...maybe think its a bad idea now not knowing what im doing" Don't get discouraged, it's a learning process. If it was that easy everyone would be doing it.

HS60

Electronics Forum | Tue Oct 20 10:31:50 EDT 2009 | lloyd

Seth, From the Siemens technical information document: Raceway monitoring detects incorrect positioning of the Z axis with respect to the raceway during motion of the star. This is done by monitoring the current drawn by the Z axis while the star i

Vapour Phase Reflow Profiling (Would like to understand more on how to determine a PCB's Profile/Recipe)

Electronics Forum | Mon Jun 27 12:02:47 EDT 2022 | proceng1

I have never used a VP oven, but I did get a pretty good demo of one and was pushing hard for my company to acquire one. The issue ended up being that there was not an East Coast distributor for the "juice" and that became cost prohibitive to get sh

Re: lid soldering problems (CQFP, Au/Sn solder)

Electronics Forum | Thu Sep 17 10:45:27 EDT 1998 | Justin Medernach

| We have problems with voids when we solder lids to | ceramic flatpackages. | The sealring of the package is gold(100 micro inches or 2.5 micro meters)with a underlayer of Nickel | The solder is attached to the lid (preform) and the solder material

Type K thermocouple for Super M.O.L.E

Electronics Forum | Mon Nov 05 20:31:09 EST 2001 | davef

Most people do not intend to �solder� Type K thermocouples. They use solder to �attach� the thermocouple. Search the fine SMTnet Archives for a posting by Chrys Shea. 1 Common thermocouple types commonly used for thermal profiling are: * Type K �

Re: Solder surface tension

Electronics Forum | Sat Oct 09 09:07:48 EDT 1999 | Brian

| | | Can anyone tell me the formula/method to determine | | | the amount of weight that solder's surface tension can support. | | | (ie: Maximum weight of components soldered onto a bottom side | | | of a board during a top side reflow on a Paste/Pa

Re: Solder surface tension

Electronics Forum | Sat Oct 09 09:18:21 EDT 1999 | Dave F

| | | | Can anyone tell me the formula/method to determine | | | | the amount of weight that solder's surface tension can support. | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | of a board during a top side reflow on a

Re: lid soldering problems (CQFP, Au/Sn solder)

Electronics Forum | Tue Sep 22 10:52:31 EDT 1998 | Wayne Bracy

| We have problems with voids when we solder lids to | ceramic flatpackages. | The sealring of the package is gold(100 micro inches or 2.5 micro meters)with a underlayer of Nickel | The solder is attached to the lid (preform) and the solder material


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