solder paste for smt functions

T

tim gorman

Guest
I've been using regular soldering equipment for smt stuff like SOIC chips.

I'm getting ready to move to even smaller stuff like LQPF packages and is
probably time to start using equipment designed for this.

What's the best place to get solder paste in small quantities (I'm not doing
production work just prototyping work as part of my ham radio hobby)?

tim ab0wr
 
tim gorman wrote:
I've been using regular soldering equipment for smt stuff like SOIC chips.

I'm getting ready to move to even smaller stuff like LQPF packages and is
probably time to start using equipment designed for this.

What's the best place to get solder paste in small quantities (I'm not doing
production work just prototyping work as part of my ham radio hobby)?

tim ab0wr
Click to expand...
Wassco (www.wassco.com) sells 35g syringes of paste for about 1/3 of
what Digikey wants.
 
tim gorman wrote:
I've been using regular soldering equipment for smt stuff like SOIC chips.

I'm getting ready to move to even smaller stuff like LQPF packages and is
probably time to start using equipment designed for this.

What's the best place to get solder paste in small quantities (I'm not doing
production work just prototyping work as part of my ham radio hobby)?

tim ab0wr
Click to expand...
I went down to a local PCB assembly shop and got a free syringe of
expired solderpaste and it worked fine. I think for prototyping the
specs can be a lot less than if you are doing production work.

cheers,
Jamie
 
Rob Gaddi wrote:

tim gorman wrote:
I've been using regular soldering equipment for smt stuff like SOIC
chips.

I'm getting ready to move to even smaller stuff like LQPF packages and is
probably time to start using equipment designed for this.

What's the best place to get solder paste in small quantities (I'm not
doing production work just prototyping work as part of my ham radio
hobby)?

tim ab0wr

Wassco (www.wassco.com) sells 35g syringes of paste for about 1/3 of
what Digikey wants.
Click to expand...
Rob,

Thanks for the recommendation. They are just what I was looking for.
Reasonable price too.

Tim
 
On Tue, 04 Jan 2005 14:06:07 -0600, tim gorman <tgorman2@cox.net> wrote:

I've been using regular soldering equipment for smt stuff like SOIC chips.

I'm getting ready to move to even smaller stuff like LQPF packages and is
probably time to start using equipment designed for this.

What's the best place to get solder paste in small quantities (I'm not doing
production work just prototyping work as part of my ham radio hobby)?

tim ab0wr
Click to expand...
If by equipment you mean stencil and solder paste, than go ahead. If you
are going to syringe the soldepaste in pads you are going to make a mess. I
suggest 0.015" pitch solder (Digikey) fine tip and stereo microscope.



Regards,

Boris Mohar

Got Knock? - see:
Viatrack Printed Circuit Designs (among other things) http://www.viatrack.ca
 
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