Electronics Forum: sample board (Page 1 of 41)

How do you do the 1st sample inspection?

Electronics Forum | Thu Apr 05 22:44:49 EDT 2018 | jandon

We have Quins Professional in use which is quite handy for first article/piece inspection. You can easily compare assembled board to the pick&place file and placement drawings.

How do you do the 1st sample inspection?

Electronics Forum | Wed Apr 04 10:32:10 EDT 2018 | dleeper

At an EMS I used to work for, our process for first article inspection was to have a human technician do a point to point comparison between the BOM and the PCB. They would verify component part #s were correct per the location, correct polarity and

How do you do the 1st sample inspection?

Electronics Forum | Tue Apr 03 01:56:37 EDT 2018 | sophyluo1985

Hi All, Anyone want to talk about how do you did the 1st sample inspection in your SMT department? I mean once you want to produce a new product. After the material on board, and before mass production, we always need to do 1 or 2 sample to test if a

How do you do the 1st sample inspection?

Electronics Forum | Thu Apr 05 06:59:30 EDT 2018 | philc

Here, there are two possibilities - either it is a new board to us (ie built elsewhere previously) or it is a new product for the company requesting the build. If new to us only, ask for a sample PCB. You will need CAD data for pick & place machines

Unusual board with BGA

Electronics Forum | Fri Dec 21 15:32:57 EST 2007 | rwyman

Hey SWAG- Not an uncommon scenario where I'm at. But the bottom line is, as others have said: Profile, profile, profile. Here, we have dedicated profile boards for each product we build and in most cases they're EXACT representations (my library i

Unusual board with BGA

Electronics Forum | Wed Dec 26 11:01:31 EST 2007 | swag

Thanks, rywman. I do have a solder sample along with dummy BGA's so we should have what we need. This BGA is actually 1152 pins (I didn't have that right in my original post). The bad part is that we are building only one board only and the actua

Re: bare board problem

Electronics Forum | Thu Jun 17 21:24:32 EDT 1999 | Dean

| first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pads. an

Mesh for board washer baskets

Electronics Forum | Tue Aug 03 18:04:28 EDT 2004 | kmakiya

Thanks for the info. I have looked at an EVA mesh that will pass esd test as well as exposure to w/s flux and hot water. Stainless is great but the the softer material is what I want. I want to get samples of the thermoplastics from Mcmaster. Thanks

Open board SiP PCB warpage measurement

Electronics Forum | Tue Jun 11 13:44:22 EDT 2013 | 7pcbassembly

Can you provide sample images to understand it in detail? It will give better idea about your explanation. http://www.7pcb.com

Re: Surface mount on perf board

Electronics Forum | Wed Sep 02 17:29:51 EDT 1998 | Dave F

| How would you mount a surface mount chip onto Perf board? I am doing a project for school and one of the chips is a surface mount, but everything else fits in Perf board. Any suggestions? Thanks Matt: Here's one way to do it: 1 Get a hot glue

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