Hi,but for this kind of micro surgery i use fine solder,is it not?

Choong


Jon Elson <[EMAIL PROTECTED]> wrote:

>
>
>Bagotronix Tech Support wrote:
>
>>>I can solder 0.5mm (19.685 mil) SMT IC's by hand no problem. BGAs are a
>>>    
>>>
>>different story...
>>
>>I can do that too.  And my hand can slip, causing a solder bridge to an
>>adjacent pin.  It's a PITA to clear away that solder bridge from those small
>>pins.
>>  
>>
>I have developed manual techniques to do these, and they work quite 
>well.  I'm
>still fine tuning it, but I'm doing pretty well with it.
>
>What I do is manually squeeze out a VERY fine line of solder paste with 
>standard
>syringe and a fine needle with the point ground off.  I lay this line 
>around the
>outer perimiter of the component pads.  I then place the chip with 
>tweezers, and


__________________________________________________________________
McAfee VirusScan Online from the Netscape Network.
Comprehensive protection for your entire computer. Get your free trial today!
http://channels.netscape.com/ns/computing/mcafee/index.jsp?promo=393397

Get AOL Instant Messenger 5.1 free of charge.  Download Now!
http://aim.aol.com/aimnew/Aim/register.adp?promo=380455


* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* To post a message: mailto:[EMAIL PROTECTED]
*
* To leave this list visit:
* http://www.techservinc.com/protelusers/leave.html
*
* Contact the list manager:
* mailto:[EMAIL PROTECTED]
*
* Forum Guidelines Rules:
* http://www.techservinc.com/protelusers/forumrules.html
*
* Browse or Search previous postings:
* http://www.mail-archive.com/[EMAIL PROTECTED]
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

Reply via email to