Electronics Forum | Fri Dec 03 11:44:52 EST 2004 | vinod
Hi Barb, First of all I think you are looking for AOI system, not AOL. As per my experience AOI checks for present, absence of the component, wrong polarity, wrong component, misaligned component, tomb stone, upside down etc. It also looks for solde
Electronics Forum | Fri Dec 03 15:56:47 EST 2004 | Indy
Hi Everyone, Could someone please tell me - What happens if a N-type connector having chromate coating over silver plating is hand soldering to a PCB. Does the Chromate coating form a compound with silver, Or does it come off while cleaning excess
Electronics Forum | Wed Mar 16 06:52:00 EST 2005 | Bob R.
I won't speak for the person asking the original question, but one reason I can think of is in a high reliability application where the CSP needs underfilled and, depending on the underfill, cleaning may be necessary for underfill adhesion. Why use
Electronics Forum | Tue Dec 07 05:16:12 EST 2004 | kanwal324
We are using solder paste of Alpha Metals 390DH4. As per manufacturer guidelines the viscosity of paste after 1/2 hr. conditioning and after mixing in paste mixer,it shoule be between 800-1250KCP. Our customer is asking for viscosity to be maintained
Electronics Forum | Tue Jan 04 15:33:05 EST 2005 | davef
We seemed to replace a lot of optical couplers and absolutely hated that the calibration instuctions in the manual were not translated from German. [Got politely escorted from the Novastar Booth at a trade show for complaining to the company preside
Electronics Forum | Wed Jan 05 15:17:36 EST 2005 | rogerwilson
I'd be interested to hear people's views on the following please: I have a board that has both THT and SMT on it. I have to remove one of the SMT devices and replace it with a small module. The shape of the module is such that the connection legs ar
Electronics Forum | Wed Jan 05 15:54:51 EST 2005 | Frank R.
Hi, Now in my wave the PCB TOP Side temperature before WAVE is 110 - 115 DegC and the Peak temp in the wave is 240 - 245. These informations are for an 63/37 Alloy. What is the PCB TOP Side temperature and the peak temperature for Lead Free Wave Sn
Electronics Forum | Mon Jan 17 11:23:49 EST 2005 | Brad
Ya Russ is right for Ti Parts they tend to use more pelladium, which requires a bit more heat average temp increase is about 10 degrees C. from 225-235. As far as optimum solder joint I look for fillets on all sides of leads. The back of the lead is
Electronics Forum | Tue Jan 18 12:41:14 EST 2005 | paulom
I am having some problems with regard to soldering of PBGAs. In the factory had high humidity. Can I make Bake in different temperatures of 125 and 40 degrees? Which the minimum temperature? How many times I can effect bake without damaging the com
Electronics Forum | Fri Jan 21 13:57:52 EST 2005 | saragorcos
Hi esoderberg - I was wondering if you had tried altering your soldering profile to try and fully solublize the no clean flux residues and elimate your cleaning dilemma? You can check out my company's website if you want some free reference material
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