Electronics Forum: double sided pcb (Page 7 of 194)

support pins for double sided boards

Electronics Forum | Wed Sep 06 06:57:39 EDT 2006 | pavel_murtishev

Good afternoon, Check this out: http://www.novatec-eap.com/technology/vacunest.htm Can be a good solution. BR, Pavel

support pins for double sided boards

Electronics Forum | Thu Sep 07 01:01:28 EDT 2006 | pavel_murtishev

Good morning, I am not a sales representative, unfortunately. Ask Novatec the quote. BR, Pavel

Reflow profiling of double sided assemblies

Electronics Forum | Fri May 24 14:42:35 EDT 2013 | dilogic

Google for this: "weight_limit_qfn_smta.pdf" Although it is focused on QFN, formula can be used for most parts...

Re: double sided step by step

Electronics Forum | Tue Oct 05 02:31:06 EDT 1999 | Eric

Hi everyone, I need some help on the whole process of double sided surface mount. We have been doing surface mount for about 3 months and we're getting ready to take on our first doule sided board. I just need some step by step process regarding

support pins for double sided boards

Electronics Forum | Wed Sep 20 15:56:44 EDT 2006 | Rapid

There is a quick change dedicated tooling solution. It involves a "h-tower" and a machined vacuum (or non-vacuum) plate. There are two 8mm threaded holes on the table that are there for support tooling interface. The tower or tooling bolts to thos

support pins for double sided boards

Electronics Forum | Tue Sep 05 08:40:33 EDT 2006 | CL

SMAINTECH, Good Morning, We have installed the Gridlock tooling pin with stealth mode on our DEK's. It is a hard tooling pin array that resets the height if the pin for every board. The pin comes up until it comes into contact with something then lo

Reflow profiling of double sided assemblies

Electronics Forum | Fri May 24 19:18:03 EDT 2013 | hegemon

The formula is a great help, where was it 20 years ago? LOL After running a few thousand different products over the years, you start to get a feel for what is going to be trouble with regards to falling off the bottomside during the secondary refl

Reflow profiling of double sided assemblies

Electronics Forum | Fri May 24 09:34:57 EDT 2013 | markhoch

I run the same profiles for Top and Bottomside assemblies for all of my products. Only in rare instances have I been forced to run a profile with cooler bottom zone settings. This was obviously driven by assemblies with heavier components on the bott

Re: Double sided parts stuffing

Electronics Forum | Mon Nov 22 10:15:50 EST 1999 | Boca

Will, Wolfgang and Deon are exactly right on target. You just have to watch which side is built first. I began doing double sided reflow like this in the mid '80's, it works great. I used FR4/ GT material to hold the PCB up off of the conveyor,

Re: Double sided parts stuffing

Electronics Forum | Thu Nov 18 19:45:26 EST 1999 | Deon Nungaray

Deon Response: Hello Will, Yes, you can reflow a double sided board using 63/37 solder paste on both sides. There are some limitations as far as the mass of the components to reflow the second time. If you have doubts or are concerned that a compone


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