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June 2004

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Subject:
Re: Subject: V-Groove Keep Out Area
From:
Greg Scott <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 10 Jun 2004 12:57:20 -0700
Content-Type:
text/plain
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text/plain (45 lines) 
Yes,  Its true.  Ceramic components crack very easily.  We had several
board designs with ceramic caps within
5 mm from score edge.  Caps cracked almost every time the boards were
separated, until we built a fixture
to support PCA while boards were separated. We also use a Mistro (sp?)
to break v-score.



Barr, Bob wrote:

>I have been given a v-groove score keep out area dimension of 1mm from the
>edge of the groove to the component body; except the dimension becomes 5mm
>for ceramic components. 5mm seems like a very large value. Does anybody have
>experience with this? Is it really necessary to keep ceramic components that
>far from a v-groove score?
>
>Thanks.
>
>Bob
>
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