Electronics Forum | Thu Aug 20 15:29:45 EDT 1998 | D. Lange
Re: Questions #2 Are you having solderability problems with that arrangement? Sounds like problems could be solved at the wave solder. If the customer has already spun pcb then sometimes for low volume it would be easier to correct the problem at wa
Electronics Forum | Fri Jul 04 21:09:04 EDT 2003 | ramanandkini
I have a CEM-1 PCB board with 35 microns copper. This is PCB is finished with SMOBC+HALS. We do solder SMT LEDs, but till date we do not have problems that you have listed. The LEDs are good & bright. It even passed high & low temp cycle tests (-40 t
Electronics Forum | Thu Aug 12 00:02:29 EDT 1999 | dean
| We currently have 32 LEDs per board and are looking to change the LED from a gull wing package to another package. (possibly a chip type package). I have heard that some cases and LEDs do not like reflow. This part is not cost effective to have to
Electronics Forum | Tue Oct 12 15:20:44 EDT 1999 | Jim Schultz
I need your help! We have been doing double sided surface mount for 4 years now. Up until 6 months ago I have not had a tombstoning problem. Since then I have a fairly high incidence rate of tombstones on the 0603 size resistors (no other parts).
Electronics Forum | Tue Jan 05 13:03:28 EST 1999 | Michael Allen
Another concern is that some bulk feeders present resistors upside-down 50% of the time; I'm told that this can affect heat dissipation and cause other problems (e.g., hidden partmark). Note: this is not a problem with chip capacitors because they'r
Electronics Forum | Fri Feb 05 09:39:58 EST 1999 | Dave F
| Can anyone help me with the pros and cons of trying to wave | solder tantalum and large (1812) ceramic capacitors. I do | know that one may see fractures on larger cermaic caps, but have not seen much on the tantalums. Any insight as to what proble
Electronics Forum | Sun Aug 01 12:08:32 EDT 2004 | Ace
Hello An asset to any production floor. I worked with the Sony the SI-E1000 and SI-E2000, The SI-E1000 has a 12 nozzle planet head, I actually ran many placement trials with these machines 0603 (metric) 0201 (Imp). What can I say!! capabillity was
Electronics Forum | Thu Jul 14 01:08:30 EDT 2005 | pyramus
I too experience it too component being blown out of the pad also using heller 1800. In my case I also did check entry and exit of reflow so far no obtruction. Also checked profile setting also ok. Mine is a 0603 Chip capacitor... but problem is o
Electronics Forum | Fri Dec 02 08:52:05 EST 2005 | pavel_murtishev
Good evening, I�ve just solved very similar soldering issue. In my case the problem was with 0603 chips. Solder joint had same appearance. I suspected that solder do not melted and increased TAL and peak temperature. No result. Next thing I tried to
Electronics Forum | Thu Nov 20 17:46:48 EST 2014 | warwolf
If they asked you should try it? Im really interested in the outcome in general. We use no clean on 6 layer multi micro-BGA boards, chip size only goes as small as 0603 though. Around ~500 parts over a 4"x3" area. we haven't noticed any independe
