Electronics Forum | Wed Feb 24 13:05:04 EST 1999 | Mike Larsen
| I am profiling a BGA for the first time and I am seeing temperature flucuations on the ramp and cool down from the thermocouple I have placed through the pcb and under the component. I am using a 5 zone convection oven.Any suggestions on the plobl
Electronics Forum | Fri Nov 19 22:31:30 EST 1999 | mark
Please be carefull handling these mechanical "foil only" systems. Many people have recieved serious cuts from the razor like foils. People to be concerned about include the reciever who takes it out of the box, the technician who has to mount it in a
Electronics Forum | Mon Feb 22 21:34:14 EST 1999 | Dave F
| A rash of new products here at my company have designs with multi-pin connectors 90 out-of-phase (orientation)wiht respect to wave direction, which has lead to massive bridging (shorts) problems.... | | Does anyone still use the 45 Degree Pallet
Electronics Forum | Mon Feb 22 22:52:32 EST 1999 | Chris G.
| A rash of new products here at my company have designs with multi-pin connectors 90 out-of-phase (orientation)wiht respect to wave direction, which has lead to massive bridging (shorts) problems.... | | Does anyone still use the 45 Degree Pallet
Electronics Forum | Mon Mar 01 15:29:16 EST 1999 | Chad Haima
| A rash of new products here at my company have designs with multi-pin connectors 90 out-of-phase (orientation)wiht respect to wave direction, which has lead to massive bridging (shorts) problems.... | | Does anyone still use the 45 Degree Pallet
Electronics Forum | Mon Feb 22 05:39:58 EST 1999 | Scott Davies
We are currently using circle, cross and double-cross(#) fiducial patterns with SiPlace equipment. Most of the problems seem to occur when, in the case of a HASL fiducial mark, a PCB is topside reflowed, goes away for thru-hole and comes back for bot
Electronics Forum | Thu Feb 18 17:06:33 EST 1999 | Dave Jurena
| Hope some of you out there can help me with this one. | I am getting feedback from our test department that they are showing opens on solder joints which have visually good wetting. The touch-up operators confirm that the joint looks good. All they
Electronics Forum | Fri Feb 12 18:48:19 EST 1999 | Jon Medernach
Bill, You should wipe clean. The thin layer will dry out quickly and cause other problems. Remember squeegee down stop and squeegee pressure are seperate issues. If your downstop is to low the stencil and board will flex down, after the squeegee p
Electronics Forum | Tue Feb 16 08:54:57 EST 1999 | Ross Berntson
| I am fairly new to the SMT game and I am getting conflicting answers to the following. Maybe someone can help me! When printing, one person is telling me that the stencil should be wiped completely clean of all paste because the quality of the
Electronics Forum | Tue Feb 16 14:19:29 EST 1999 | Steve Gregory
Hi Kris!! There used to be a company named Fancourt Industries that sold tools that would "recondition" leads...but I did a pretty throrough NET search and they didn't show up...hmmmm, must've went out of business or they got bought... A
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