Electronics Forum: used (Page 616 of 2487)

Re: 0603 Tombstoning

Electronics Forum | Wed Feb 23 17:03:01 EST 2000 | CFraser

What machine are you using to place the components? I assume that you have checked placement prior to the refow process?

Re: Stencil printers, what's really out there?

Electronics Forum | Tue Feb 22 17:03:48 EST 2000 | Chris

Dek 249 and Dek 260 models use to have fiducial recognition where table would adjust to the stencil. However, I would still recomend you buy an inline model because the change over will be much faster. Probably 10 times faster.

Cure/Reflow Profile

Electronics Forum | Tue Feb 22 10:45:56 EST 2000 | Sal

Guys, Can I cure adhesive and solder paste in a single operation ? Currently running a double-sided product, paste on one side and glue on the other, Management (YUK!!!) want to run this product simultaenously in the convection oven using the reflo

Re: Squeegee Blades

Electronics Forum | Sat Feb 19 05:24:42 EST 2000 | Dane Stokes

I agree with Scott. When not in use we store the squeegee blades in the original plastic shipping containers. Keeping them in the containers also gives you something to label the sqeegees with as to different pitches or lenghts and different machine

Re: Convection Oven Reflow Modeling Simulations

Electronics Forum | Thu Feb 17 01:58:29 EST 2000 | Roni Haviv

Hi Richard, You can use "MOLE" profiler, an accelent profiling tool. Good luck, Roni

Re: deHarrt Parts

Electronics Forum | Mon Feb 14 12:31:54 EST 2000 | Dave F

Ed: Two things: 1 DeHaart: Lake Madsen Inc 12 Wilmington Rd Burlington, MA 01803 service and parts, Charlie @ (781) 270-3285 2 Buy a used EL20 for parts Good luck Dave F

How long to burn in a circuit board

Electronics Forum | Fri Feb 11 10:37:54 EST 2000 | Leslie Hall

I'm trying to find out what is considered a standard or what other companies are doing to test their cuircuit boards. Is everyone using a envirmental room if so what is the ramp up and how long do you test it? Thanks

Re: Solder Beading under Cap...Need help

Electronics Forum | Mon Feb 14 02:59:03 EST 2000 | Joe

check the solderablity of the board and the thickness of the solder before screening, if you are using HASL finished boards.

washing BGA`s

Electronics Forum | Thu Feb 10 17:33:43 EST 2000 | Ivan Rojas

I will just like to know if is ok to build a board with a BGA ,with water soluable paste and washed or is better to use a no clean paste . And one last question , what do you guys think about the better paste Kester or Indium .

Re: washing BGA`s

Electronics Forum | Thu Feb 10 18:53:04 EST 2000 | Russ

It is okay to use OA flux if you have a very robust cleaning process. lots of water and saponafier are good things. No-Clean is much safer when it comes to reliability. I personally like the Indium no-clean products. Russ


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