Basically landpatterns too widely spaced to avoid tombstoning.

Ioan

-----Original Message-----
From: Stadem, Richard D. [mailto:[log in to unmask]]
Sent: Tuesday, June 26, 2007 10:01 AM
To: TechNet E-Mail Forum; Tempea, Ioan
Subject: RE: [TN] SMT placement test PCB


Just curious, why did you find the Practical and Topline pwbs
unsatisfactory? 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Tempea, Ioan
Sent: Tuesday, June 26, 2007 8:56 AM
To: [log in to unmask]
Subject: [TN] SMT placement test PCB

Dear colleagues,

I am pondering the necessity of having a custom PCB designed, PCB that
would serve for periodical testing of the placement of our machines. We
have Fuji CP6 and IP3, just FYI as I don't think the board should be
speciffic to a machine in particular.

I am wondering if any of you felt the need of having a special PCB to
perform this, or you find the glass board for IP and the regular Fuji
test board sufficient?

I have checked the available boards from Practical and Topline and find
them unsatisfactory when it gets to 0402 and 0201 landpatterns.

If you would order a special PCB, how would you use it? What components
should it be there?

Thanks,

Ioan

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