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PLTcbv View Drop Down
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    Posted: 21 Aug 2013 at 2:04am
If I create a TAB padstack for a TO, DPAK shape in PCB LE Lite and built a padstack with Expedition ASCII output I get "r612_555m622_565p6xr147_192"
 

 
The paste mask name is  6xr147_192. This is a custom pad in Expedition with the name "COMPLEX 5.552X4.7 A26.0944 S6".
 
Please explain the custom pad syntax.
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Tom H View Drop Down
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r612_555m622_565p6xr147_192
 
r = rectangle
612_555 = length_width of pad
m = solder mask
622_565 = length_width of solder mask
p = paste mask
6x = 6 paste mask objects
r = rectangle
147_196 = size of each paste mask rectangle
 
You need to download the IPC-7351 padstack naming convention here - Padstacks
 
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PLTcbv View Drop Down
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Tom, I think you misunderstood me.

The explanation is for the generated custom pad with the name COMPLEX 5.552X4.7 A26.0944 S6.
Can you explain this syntax?
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Tom H View Drop Down
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No, where did that come from?
 
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This is the custom pad shape name in Expedition when used with ASCII input from LE Lite.

Maybe Chris can answer this question.
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Originally posted by PLTcbv PLTcbv wrote:

Tom, I think you misunderstood me.

The explanation is for the generated custom pad with the name COMPLEX 5.552X4.7 A26.0944 S6.
Can you explain this syntax?
Length X Width with an area of 26.0944, 6 squares.
 
Its simply a way of differentiating that complex padstack from others.
 
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Thanks Chris.

The Length, Width and 6 squares where clear.
Only the A26.0944 was puzzling me.
Now it is clear.
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