Electronics Forum | Tue Jun 25 09:29:50 EDT 2002 | CPI
I�m looking for some type of fastener to secure identification tags to boards. The method would be inserting through a tooling hole on the brd .25� npt. We had been using nylon fasteners much like those used in the garment industry. However I am look
Electronics Forum | Sun Jun 30 20:00:56 EDT 2002 | redmary
the SOIC encounter solder crack after reliability test, the common process is: SMT---manual soldering---IPT(in process test)---potting---T/C(thermal cycling,only add current and voltage)---B/T and F/T (burn in and functional test). the condition is 2
Electronics Forum | Mon Jul 01 00:09:47 EDT 2002 | Ben
Hi all How can I clean the white residue between QFP 0.5 mil Pitch? The white residue was created from mistake adding liquild No-clean flux Lonco 23F for reworking clean board. I can clean almost of it by using EC7M cleaning solvent except between
Electronics Forum | Fri Jul 12 10:33:02 EDT 2002 | Gary Bremer
Does anyone have experience using Sn43Pb43Bi14 solder on high performance circuit boards that are subjected to temperatures from -55� Celsius to +85� Celsius and vibration requirments at 6g? What companies/industries do you know that are using this s
Electronics Forum | Thu Jul 18 14:34:48 EDT 2002 | Kenny
I am looking for advise on making(soldering) and ensuring of a quality solder joint. We are doing the process by hand and are soldering wires onto PC boards and transducers. Looking for any suggestions that may help in either; overall ways of making
Electronics Forum | Mon Jul 22 11:51:28 EDT 2002 | philclegg
Has anyone had experience using Copper Passivate coated PWB's, our supplier calls them "flux coated" but as it's an Organic finish is it handled the same as Entek and where can I get details about it?. I have used Entek CU56 & Entek Plus coated PWB's
Electronics Forum | Tue Jul 23 11:12:08 EDT 2002 | yngwie
Hi Experts, Anybody know whatis the alternative to the PCBA's barcode, should you don't have a space on your highly populated PCBA ? This refer to the boards' serial number, be it for tracebility purposes or shopfloor data collection purposes. I hav
Electronics Forum | Tue Jul 23 14:55:06 EDT 2002 | colnat
I am looking for defect rates on hand soldering. Specifically - I have a large number of wire jumpers that need to be hand soldered across two boards (connectors are not an option). I am looking for a defect rate so I can perform a cost analysis in
Electronics Forum | Mon Aug 04 10:28:55 EDT 2003 | jseagle
Dave, Where can I get the rubber boots you are talking about? We are going to have to start doing 100% conformal coating of boards for some of our customers in high volume, we currently only do a selective coat. We currently use a silicon coating,
Electronics Forum | Thu Jul 25 21:58:20 EDT 2002 | davef
How do you �physically remove the solder from the fiducal prior to disposing of the balance of the rail�? We don�t HASL our fiducals. Easier to see with vid head. If you need to HASL your fiducals, consider: * Disposing of the rails with your scra
