Electronics Forum: (4) (Page 116 of 630)

Questions on J-STD-033A procedure (Table 4-1)

Electronics Forum | Fri Apr 21 08:07:10 EDT 2006 | amol_kane

I struggled with the std too, when trying to justify the need for a desiccant cabinet. according to my interpretation: 1. the components are baked at 125 or 150 dec C within 24 hrs of manufacture (this is MET) and sealed in the MBBs at the component

Stencil thickness

Electronics Forum | Thu Mar 02 13:29:30 EST 2006 | russ

6 mils maybe? instead of 6mm? We go down to 5 mils and up to 7 with 0603. You could even use a 4mil stencil for these without any problems. The .2mm (.0078")apart however might get you in trouble unless your equipment is rock solid.

Stencil thickness

Electronics Forum | Mon Mar 13 04:18:42 EST 2006 | pedestrian

0.2mm gap between parts is small and easy to solder short. I prefer 5mils or 4mils.

does potato can absorbed the solder or lead

Electronics Forum | Sat Mar 04 12:01:28 EST 2006 | slthomas

Slightly related story....my dad (vision not so good) put a gallon of WATER in with 4 gallons of cooking oil to deep fry a turkey. Of course the water was on the bottom and when it started boiling, whoooheeee!

type of machine

Electronics Forum | Wed Mar 08 22:20:11 EST 2006 | pmperreca

I was wondering what type of machine would be the best for high production rate of small pcb boards. A rate of somewhere near 800,000 units a month on a board that is approx 1"x2" 4layer with 20 components.

Fighting solder beads

Electronics Forum | Thu Mar 23 06:38:30 EST 2006 | pavel_murtishev

Good afternoon, We can use type-3 solder paste, but what for? Type-3 solder particles are larger than type-4. Probably this will cause even worse release. BR, Pavel

AIM SN100C Solder paste

Electronics Forum | Thu May 25 16:12:13 EDT 2006 | steve_ucsd

I find it hard to believe that AIM never contacted you either by the rep or directly. I switched to AIM solder 4 years ago after using several of their competitor�s pastes for the very fact that the products were as good but Aim�s technical support w

Solder Saver ??

Electronics Forum | Wed Apr 12 16:28:18 EDT 2006 | scombs

Has anyone out there have any experience with this product? It looks to good to be true. http://pkaymetal.com/dross.php4

sot363 placement issues

Electronics Forum | Sat Apr 15 16:49:53 EDT 2006 | ausajid

hi we had also the same problem a time ago on the said package. we have taught his legs as 1, 3 and 5 instead of 1, 3 and 4 or 6. after doing this 98% problem solved. try this method...

CP4 of death

Electronics Forum | Thu Apr 13 15:31:52 EDT 2006 | daxman

Yes, you are correct, no fiducial correction. If I force a fiducial correction, then the placement is alright. I should also mention that the placement gets worse as the production continues. I checked the lead screws and bearing holder...looks o


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