Electronics Forum: stencil (Page 305 of 540)

Stenciless Solder Print

Electronics Forum | Thu Jul 07 08:21:27 EDT 2011 | scottp

I don't understand the long lead times comment. You should be able to get stencils next day.

Stenciless Solder Print

Electronics Forum | Mon Jul 11 09:07:27 EDT 2011 | don7888

Long lead times was a slight exaggeration we wait approx 3 days for a stencil, although we can purchase them next day at a much higher cost. But when you are working to tight prdcution schedules this can prove costly.

solder paste

Electronics Forum | Fri Jul 29 10:03:02 EDT 2011 | blnorman

At a previous location we used the Semco cartridges. Occasionally the operator would have to scrape down the stencil and knead the paste back in. That would keep the paste on the edges from drying out. It was just standard procedure.

Solder Ball issue

Electronics Forum | Mon Aug 22 11:00:04 EDT 2011 | emeto

This problem means that you have too much paste. I would design a new stencil with reduced apertures. Emil

Paste Printers

Electronics Forum | Thu Sep 01 09:34:08 EDT 2011 | ev

Looking for any feedback from those of you who have had any experience working with paste printers. How well do they work? Can we really get away from stencils? How do they handle fine pitch parts?

Paste Printers

Electronics Forum | Sat Sep 24 16:42:23 EDT 2011 | tech1

I assume you mean dispensers? They are slow and limited on how fine they can go. Paste is much more expensive. The money you save in stencils will be eaten up by other consumable items on the dispenser. They are flexible but how flexible do you need

Stencil-PCB Alignment Mehods - Printing process

Electronics Forum | Sun Dec 11 22:49:23 EST 2011 | darby

7mm FOV with graduations of 0.05mm. They'll cost around $100 - $150. Fun for measuring other "stuff" as well. Enjoy yourself amigo and you're right, printin' is REAL important.

screen thickness

Electronics Forum | Fri Jan 27 07:30:54 EST 2012 | scottp

We're in the high rel market and use a lot of 5 mil stencils. They give plenty of paste to meet IPC class 3 and survive over 1000 cycles of -40/+125C thermal cycle testing.

SMT Stencil Printer Recommendations

Electronics Forum | Wed Feb 22 19:04:24 EST 2012 | tech1

I Have quite a few used printers that are in excellent shape. I will e-mail you the details if you are interested

SMT Stencil Printer Recommendations

Electronics Forum | Sun Mar 04 02:39:27 EST 2012 | eadthem

I don't have our DEK printer part numbers memorized, In general we have a older machine running NT4.0 . It has 2Di inspection but we never use it because you can only inspect/setup 1 camera shot at once, making for very long programming. Our newer D

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