[time-nuts] Parts Selection - Short Run Assembly
tijddingen at yahoo.com
Sat Mar 26 21:16:52 UTC 2011
Didn't know that outfit, thanks for the link. :) Would you say they are durable
enough to say 5 boards with it? (I would hope so, but you never know...)
With regard to the delivery of the fine pitch stuff ... as long as the one
putting together the kit is ordering those as cut-tape then that should be no
Just cut the tape into smaller strips and include those with the kit.
----- Original Message ----
From: Steve Wiseman <sjwiseman at gmail.com>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Sat, March 26, 2011 3:10:13 PM
Subject: Re: [time-nuts] Parts Selection - Short Run Assembly
On 26/03/2011, Bob Camp <lists at rtty.us> wrote:
> Best bet - get / make a simple screen printer. A manual one is going to be
> cheap. A home made one is even cheaper. The solder screen it's self won't
> cost you much more than the time you would spend programming the robot and
> messing with it. Solder screen / stencil generation is a "push button" sort
> of thing with a modern pcb layout program.
plastic stencils are cheap, I get mine from
No need for any machinery, just tape it to the board, then squeegee
the paste using a credit card. Works fine, for low volume, and is
easily capable of 0.5mm pitch.
More of a concern, if issuing kits of parts, is how to deliver
fine-pitch QFPs with their legs intact. The best way to package them
for shipping may well be to attach them to a PCB with some kind of
(This is probably my first post here. Hobbyist / engineer running an
old but adequate True-time GPS and Rubidium , to keep the test gear
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