Electronics Forum: electron (Page 2198 of 7893)

Screen Printing Print Validation

Electronics Forum | Wed Nov 02 01:51:53 EST 2005 | Adnahn

It is not common practice to perform this function.What is advisible is to cover the PCB surface with white copy paper.Screening onto the copy paper will give you a clear indication of your solder screening profile.This way your PCB's will stay clean

Laser Soldering

Electronics Forum | Tue Nov 01 10:39:06 EST 2005 | CEB

Just checking to see if anyone is using the any laser soldering equipment for through-hole connectors?? If you what equipment are you using??

Laser Soldering

Electronics Forum | Tue Nov 01 21:38:15 EST 2005 | davef

While you're waiting for replies, serch the fine SMTnet archives for previous discussion. For instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=28313

Support for PRINTEK II semi-auto screen printer

Electronics Forum | Tue Nov 01 11:47:54 EST 2005 | jasont

Hi, Please let me know if you know who supports Printek II semi-auto screen printers in Canada, USA. I have tried to find them on web but lucked out. Thanks, jason@tekmart.com

Support for PRINTEK II semi-auto screen printer

Electronics Forum | Tue Nov 01 13:43:57 EST 2005 | jasont

transition automation no longer supports; please advise me who can support this TA PrinTEK II in Canada area.

Fudical, where, size, etc

Electronics Forum | Wed Nov 02 20:27:08 EST 2005 | davef

Why stop at fids: * IPC-2221 - Generic Standard On Printed Board Design * IPC-2222 - Sectional Design Standard For Printed Board For Organic Printed Boards

Fudical, where, size, etc

Electronics Forum | Thu Nov 03 13:09:30 EST 2005 | erokc

Davef, pardon my ignorance. Where is and who is IPC. http://www.ipc.com is a financial institute. Please lead the way Dave

Fudical, where, size, etc

Electronics Forum | Thu Nov 10 20:14:44 EST 2005 | davef

FREE DOWNLOAD - SMEMA3.1 - Fiducial Mark Standard http://webvision.ipc.org/scripts/mgrqispi.dll?APPNAME=IPCWEB&PRGNAME=TOCFRAME&ARGUMENTS=-N,-N,-A,-A,-N50

does copper wire become thinner when it dip to leadfree solder?

Electronics Forum | Wed Nov 02 03:35:09 EST 2005 | Slaine

I thought it was the tin content that leached the copper so presumed 100Sn would be more aggressive?

does copper wire become thinner when it dip to leadfree solder?

Electronics Forum | Thu Nov 03 04:31:21 EST 2005 | arnold

davef, how can you convince me that 100Sn dissolved copper much faster?


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