Homebrew PCBs

teardrop? i dont understand what is this? where i can get it 

--- On Sun, 7/6/08, Leon <leon355@...> wrote:
From: Leon <leon355@btinternet.com>
Subject: Re: [Homebrew_PCBs] etched 5/5 results
To: Homebrew_PCBs@yahoogroups.com
Date: Sunday, July 6, 2008, 7:11 AM










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

From: "Stefan Trethan" <stefan_trethan@ gmx.at>

To: <Homebrew_PCBs@ yahoogroups. com>

Sent: Sunday, July 06, 2008 3:00 PM

Subject: Re: [Homebrew_PCBs] etched 5/5 results



> The burrs seemed a bit rough, but it's hard to judge with

> magnification sometimes.

> I found the proxxon tools have better runout, probably in part due to

> the precision collets. The power of the small cheap 12V tools is more

> than plenty for PCB drills.

>

> Ideal drilling results can only be achieved with backing sheet (and

> cover sheet), not that i bother with the size rules i use, but that's

> what i'm told anyway.

>

> If you are going to solder via-wire to the traces it seems a good idea

> to widen the first couple mm of trace, to get a solid joint.



I often use teardrops on my home-made boards. They make the joints more 

reliable, especially for vias.



Leon




      

    
    
	
	 
	
	








	


	
	


      

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