Electronics Forum: pope (Page 1 of 1)

pcb component defect

Electronics Forum | Thu Oct 20 19:18:22 EDT 2011 | eadthem

Something also to consider is, if you don't need to remove the mark, look in to a uniPOSCA paint markers (water based paint). For us we find the arrows take so much longer than the paint, just poping the cap and dotting the problem and moving on.

Lead Free and Leaded Process Mix

Electronics Forum | Mon Jul 18 13:34:31 EDT 2005 | jzaccari

Francisco, You need to be concerned about "lead-free" BGAs. The SAC balls will not reflow at at standard tin-lead process temps. I have seen many examples where this has been a very big problem. In once case the BGAs just poped-off when the board was

Fuji CP4 feeding sensor problem

Electronics Forum | Sat Sep 08 23:36:14 EDT 2012 | mtech88

Can anyone help me out this Fuji CP4 problem? I just move my machine to a new place, The feeding sensor error keep on poping up. but the mahine work on manual mode. When we switch to auto mode, it just to pick up the part and the machine stop on t

Re: Double Reflow

Electronics Forum | Tue Dec 28 15:35:21 EST 1999 | Mike Naddra

Edmund, An 0603 component should not fall from the board durring an inverted reflow pass, provided that: Your land geometries are correct for the package type (Start with SM 782 guidlines)- as surface tension of the liquidous solder is what holds

SMT low volume

Electronics Forum | Sat Dec 17 02:15:25 EST 2005 | manyhats

Fastek, i believe your right something manual or semi will work great... don't waste time or money buying that fully auto printer, they all do that same Sh&t... i have 2 TP-11 and think you should be ok placing the 0402 using the C14 tool and mechani

EL Cap _ Missing & Shifted out of the Copper Pad

Electronics Forum | Fri Jul 21 03:51:06 EDT 2006 | Rob

Hi CKH, Here's some things to consider: 1) Moved by obstruction in/entering oven, such as nitrogen skirts 2) Incorrect air pressure/air leak in oven (large surface area on component) 3) Reflow temperature too hot & electrolyte/air in cap is expandi

Solder wave

Electronics Forum | Mon May 07 22:28:17 EDT 2007 | colormaker

radiant heat. 137c The hollis was a great machine. The one I had the prehead wass on or off there was no setting. The pot temperature guage was brocken so I had to guess and manually turn the heater on and off. The whole machine was covered with 1 i


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