[PCB_FORUM] Customized solermask for pads in Allegro

  • From: Michael Catrambone <mcatramb@xxxxxxxxxxx>
  • To: ICU PCB Exploder <icu-pcb-forum@xxxxxxxxxxxxx>
  • Date: Tue, 23 Nov 2010 17:37:50 +0000 (UTC)


Forwarded on behalf of  Judy Huang, she accidently sent it to the admins email 
address. 


----- Forwarded Message ----- 
From: "Judy Huang" 

To: icu-pcb-forum-admins@xxxxxxxxxxxxx 
Sent: Tuesday, November 23, 2010 4:04:53 AM 
Subject: Customized solermask for pads in Allegro 


Dear All, 

Does anyone know if we can customize solder mask for pads?  It seems to me that 
when I finish a design (after generating gerber files), my solder mask 
top/bottom have voids (open areas) for all pads by default.  Can I change it to 
a certain distances away (let's say 5 mils away) from each pads?  

I tried looking into the padstacks in allegro and the library creater.  None 
gave such choices.  So I'm assuming Allegro generates soldermask to surround 
all pads by defaults....?   

Any help would be appreciated.  Thanks! 

-- 
Regards, 

Judy Huang 

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