Electronics Forum: fine pitch components (Page 4 of 222)

fine pitch QFP

Electronics Forum | Thu Jun 16 22:14:51 EDT 2005 | davef

16 thou pitch parts: Use a 5 thou laser cut electropolished stencil with 0.008"x0.045" apertures and type 3 solder paste. Bridges Connecting or Partially Connecting Adjacent Leads or Lands * Excessive solder paste * Excessive component placement pre

fine pitch on thick copper

Electronics Forum | Mon Dec 20 07:58:02 EST 1999 | pascal MATHIEU

hello guys ; we are using a fine pitch component(0.65mm) on a thick copper PCB (Cu = 90�m) ; in this case we notice that we are in the process'limits , because the different supplier of the PCB are not able to ensure a good stability of it's process

Thermocouple attachment on fine pitch component.

Electronics Forum | Wed Apr 11 11:02:53 EDT 2001 | dave

Hi I found it's hard to attach thermocouple on profile board at fine pitch component by high temp solder. Does any one know the good way to do it? Thanks in advance. Dave

Thermocouple attachment on fine pitch component.

Electronics Forum | Wed Apr 11 11:40:44 EDT 2001 | gcs

High temp solder is the best, but your profiler manufacturer will have some type of adhesive. I know KIC does.

Thermocouple attachment on fine pitch component.

Electronics Forum | Wed Apr 11 17:15:54 EDT 2001 | davef

More often than not lately, we use Al tape [like Brian W mentioned in a recent thread].

Thermocouple attachment on fine pitch component.

Electronics Forum | Tue Apr 17 09:19:11 EDT 2001 | Terry Burnette

Dave, I use Dexter Hysol epoxy 9340 gray. It's a two part epoxy kit. Thermally conductive and electrically insulative. Cures in about 10 minutes at 100C. Terry

Thermocouple attachment on fine pitch component.

Electronics Forum | Wed Apr 11 17:03:28 EDT 2001 | mparker

I've used Super Glue, with Kapton tape. The glue leaves a small residue and the tape acts as a strain relief. If you can sacrifice the board, drill a small hole through the board, push the exposed ends of the thermocouple up from the back side, lay

super fine pitch paste & dispensing questions

Electronics Forum | Mon Aug 16 13:38:35 EDT 2010 | rl

i would like to request some advice on manually dispensing paste for super fine pitch components. first some background. i am a small design house and specialize in sub-miniature prototypes for avionics. so far, i have mostly used stainless steel st

Thermocouple attachment on fine pitch component.

Electronics Forum | Wed Apr 11 14:05:30 EDT 2001 | davef

No, there's not a really great epoxy product for attaching thermocouples in reflow. Specifically, what's your problem? From Sanders Temprobe verbage ... Adhesives There are two general classes of material commonly used to adhesive bond thermoc

Solder mask and fine pitch devices

Electronics Forum | Tue Jan 15 10:53:18 EST 2013 | boriskilk

We wouldn't advocate extending the soldermask beyond the component body but yes to ganging for fine pitch. To ensure we don't run into issues with flaking our preference is not to add solder mask when the space between pins is less than 6 mil.


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