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How to describe different vias in gerber files using PCAD?

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SFactor

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pcad 4 layer

I just want to ask how can i describe the different via types in gerber files
using PCAD tool ? ....

for example i have a 5 layer PCB and it contains 4 types of vias ...
1-from COMP layer to INT1 layer (Blind)
2-from COMP layer to INT2 layer (Blind)
3-from SOLDER layer to INT1 layer (Blind)
4-form SOLDER layer to INT2 layer (Blind)
5-from COMP layer to SOLDER (Through hole)

How can the PCB manufacterer differentiate between them in the gerber files

PLZ help me
 

Re: 4 layer PCB using PCAD

from the main menu click (options) and then click (via style) ..
Add new via and click properties , then define each via and describe in which layers it will be exist ...Repeat these procedure for all kind of vias you have ....
then when you rout your file use these vias in its correct positions
 

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    SFactor

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