Hi Guys,
Well I guess a little more info would be helpful. Seems everybody is
typically mentioning cheaper little stations. Maybe they are fine but I suspect
they don't go far enough for what we are looking for. I have never used any of
these things so pardon my ignorance.
What we will typically be using it for reworking your regular
assortment of QFPs, QFNs, SOIC, TQFP, PLCC and TSOP devices. A fair number of
devices that give us the greatest difficulties are the ones containing a
central Tab pad under the device (and there are becoming more of these each
day). There would/could be some attempts to use it for BGAs but they are not
the largest concern because we have no way to inspect BGAs anyway. Most devices
don't give our people much trouble until it comes to those with the central
thermal pad. So we believe that what we are looking for would probably best
include a hotplate to assist heating the board from underneath, then the
regular assortment of air nozzles/hoods with some form of vacuum nozzle to pick
the device off the board as it is freed.
The engineer looking at this has commented that he is thinking we may
have to get a Metcal station that costs approx. $70K. I told him I had seen
various comments from members of this group so I would make an enquiry for him.
Sincerely,
Brad Velander
Senior PCB Designer
Northern Airborne Technology
#14 - 1925 Kirschner Road,
Kelowna, BC, V1Y 4N7.
tel (250) 763-2232 ext. 225
fax (250) 762-3374
-----Original Message-----
From: Darren Moore [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 22, 2007 3:50 PM
To: 'Protel EDA Discussion List'
Subject: Re: [PEDA] Hot Air reflow stations.
Hi Brad,
Too remove, replace BGA type components I guess ?
Regards,
Darren
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