Electronics Forum: applying the expected (Page 2 of 14)

Can the old datecode Entek PCB be converted to HASL ?

Electronics Forum | Wed Jul 04 12:35:19 EDT 2001 | davef

I thought I responded this this a while ago, guess NOT!!! Wow, Dano yagot Entek boards that are that old!!!! Coo. Sounds kwazy that you�d end-up with that volume of old boards, but it�s probably one of those deals where correcting the problem keep

Measuring the real pressure applied by Squegee

Electronics Forum | Wed Apr 11 21:06:49 EDT 2018 | jacobidiego

Hi experts, I have some stencils in a bad state. Some of the marks belongs to squegee operation. I wonder if it is possible to measure the pressure that is being applied, as we can set the pressure, but we don't know if that value is real and calib

Filling via holes during the reflow process

Electronics Forum | Mon Mar 04 11:08:56 EST 2002 | Matt Kehoe

We have a customer that desires to have their via holes plugged with solder after assembly. Is it possible to add the via holes to the stencil and print paste into them and expect them to plug? If so, how much paste? One to one on the stencil opening

Attending the IPC/SMTA Electronics Assembly Expo?

Electronics Forum | Fri Sep 18 11:54:43 EDT 1998 | Cunli Jia @ SMTnet

To All, SMTnet is considering exhibiting at the IPC/SMTA Electronics Assembly Expo, Oct. 27-29 in Providence, RI. We may also host a free conference session, discussing how to best use the Internet for speeding up product design, production, and del

Measuring the real pressure applied by Squegee

Electronics Forum | Mon Apr 16 15:28:10 EDT 2018 | emeto

If you have pressure sensors in there(most contemporary machines have), value is probably right. It doesn't mean though that the value is correct(see the upper post)

Re: Attending the IPC/SMTA Electronics Assembly Expo?

Electronics Forum | Sat Sep 19 12:40:50 EDT 1998 | Graham Naisbitt

Cunli, I will be there. Flying in from London on the Monday would be happy to meet y'all Regards Graham.Naisbitt@concoat.co.uk | To All, | SMTnet is considering exhibiting at the IPC/SMTA Electronics Assembly Expo, Oct. 27-29 in Providence, RI. We m

BGA drop off from the boards

Electronics Forum | Fri May 23 09:27:37 EDT 2014 | emeto

Hello, these pads look so clean.....I am not sure you had a good solder connection there. I would check the following. 1. Is the part RoHS in a lead process 2. X -ray boards after reflow(I assume you will see head in pillow) 3. Check for board con

Re: who makes the best conveyor??

Electronics Forum | Thu Jun 08 21:56:41 EDT 2000 | Thomas Ravener

There are many available: Simplimatic Process Control Technology (PCT) JOT PMJ Bosch Dynapace Nutek Applied Conveyor Engineering (ACE) A wholly owned division of Universal Instruments and made for UIC integration of their products. This is just but

Re: i wonder crack of the tsop

Electronics Forum | Fri Oct 29 04:51:11 EDT 1999 | Wolfgang Busko

Hi Eom, no matter what size the crack is it�s a no-no and you should take any precaution to avoid this cracking. Ask your vendor if you are not sure which moisture level applies for your part. Follow the recommended handling specifications for moistu

Measuring the real pressure applied by Squegee

Electronics Forum | Thu Apr 12 08:14:43 EDT 2018 | cyber_wolf

The way to determine correct pressure (in my experience) is to start out at what you would consider to be a low sq. pressure setting. You are looking for it to leave a slight film of paste on the stencil. Start increasing pressure in small incremen


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