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Re: [Homebrew_PCBs] Re: Copper Foil Vias, Correct URL

2010-08-18 by Malcolm Parker-Lisberg

I think you have misunderstood what we are discussing, if you are doing a double sided board and a track is required to be connected under the device then you will need a pad. What would you connect the track to? If you have room you could add a via adjacent to the device pad but if not then you need a pad!

I don't suffer from insanity I enjoy it!

--- On Wed, 8/18/10, Bob Macklin <macklinbob@...> wrote:

From: Bob Macklin <macklinbob@...m>
Subject: Re: [Homebrew_PCBs] Re: Copper Foil Vias, Correct URL
To: Homebrew_PCBs@yahoogroups.com
Date: Wednesday, August 18, 2010, 5:35 PM







 



  


    
      
      
      Don't put socket pads on the top side of boards. That's a really dumb thing 

to do!



Bob Macklin

K5MYJ

Seattle, Wa.

"Real Radios Glow In The Dark"



----- Original Message ----- 

From: "Malcolm Parker-Lisberg" <mparkerlisberg@...>

To: <Homebrew_PCBs@yahoogroups.com>

Sent: Wednesday, August 18, 2010 9:13 AM

Subject: Re: [Homebrew_PCBs] Re: Copper Foil Vias, Correct URL



If you have a socket on the board you can't get at the top pad to solder it!



I don't suffer from insanity I enjoy it!



--- On Wed, 8/18/10, Bob Macklin <macklinbob@msn.com> wrote:



From: Bob Macklin <macklinbob@...>

Subject: Re: [Homebrew_PCBs] Re: Copper Foil Vias, Correct URL

To: Homebrew_PCBs@yahoogroups.com

Date: Wednesday, August 18, 2010, 4:23 PM



What's wrong with simply sticking a wire through the hole and 

soldering on



both sides?



Bob Macklin



K5MYJ



Seattle, Wa.



"Real Radios Glow In The Dark"



----- Original Message ----- 



From: "Leon Heller" <leon355@...>



To: <Homebrew_PCBs@yahoogroups.com>



Sent: Wednesday, August 18, 2010 8:02 AM



Subject: Re: [Homebrew_PCBs] Re: Copper Foil Vias, Correct URL



> On 18/08/2010 15:00, Malcolm Parker-Lisberg wrote:



>> I tried that method back in the 1980s using a product called Circuitstick



>> and it is not worth the bother, much too fiddly and slow, difficult to



>> get a good solder joint between via copper and pad. It does give you a



>> through hole though. I found it much simpler to solder a thin strand of



>> copper to the top pad insert the device and solder both on the bottom. I



>> now just double up and provide an adjacent set of via pads where a



>> through via is needed on a component lead.



>



>



> Multicore used to sell little inserts that were pressed into the holes,



> flared with a special tool, and then soldered on both sides. They are



> probably still available.



>



> Leon



> -- 



> Leon Heller



> G1HSM



>



>



> ------------------------------------



>



> Be sure to visit the group home and check for new Links, Files, and



> Photos:



> http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links



>



>



>



>



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------------------------------------



Be sure to visit the group home and check for new Links, Files, and Photos:

http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links





    
     

    
    


 



  






      

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