Film Creation

Question

Greetings, 
 I have been doing PCB layout for a few years now working in a two person team. Each of us has been on our own with creating films. Now, we would like to attempt a "standard" of film content. 
 The etch layers are mostly simple. Included are tooling corners, etch/layer, pin/layer, via class/layer. Although, I am open to improving etch artwork. Solder, silk, and paste art are similar 
 The other artwork is more in question. 
 What films do you usually make and what layers are you adding to each film? 
 Thank you! 
 Best regards, 
 Fred

excellon1 · Answer

Hi Fred, 
 So at my end I basically split the files out. What I mean by this is that basically the board house gets everything they need to make the physical board only and the same applies to the Assembly house. For example usually the Assembly house gets component outline with ref-dez for top and bottom of the board. I also generate a PDF of these layers for the Assy House. Any layer I output gets the board outline. The generation of the final package can be somewhat involved. It is very easy to miss something. To solve this potential problem I created templates for the common board types. 2, 4,6,8 Layer boards and saved these out as a board file. The physical board files contain everything such as title block and a generic board outline and the actual gerber settings too. Doing this means ya dont have to spend alot of time setting up output files. It also helps with things like revisions etc. In a team environment it can help keep designs consistent. One could call this a standard of sorts. I call it, I don't want to screw with this every time I do a board... Here is a picture by way of an example. In the picture yo can see the title block with it's revision top right in red so as to keep track of any eco's etc. Also in the picture you can see the fab drawing setup. This would be the board outline with drill sizes and notes. company logo, board stack up etc. Basic idea is to convey the board intent to the fabs as simply as possible. Maybe this will help you out. All the best.

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