We typically on V-Grooved boards have been requested by our vendors to spec
1.010. Are you dimensioning your board outline to include the burr and take
into account the scoreline or are you dimensioning to the top of the score
angle as your board outline?

Steve

----------
> From: Padmanabha Anandapuram Halappa <[log in to unmask]>
> To: [log in to unmask]
> Subject: [TN] BURR
> Date: Friday, January 16, 1998 10:39 AM
>
>      Good day Folks,
>
>      We face dimension problem after depanellise the v-scoring board. The
>      board's thickness is 0.062" and the v-scoring remaining thickness is
>      0.015". After depanellise, the board dimension is found to increase
by
>      0.01".
>
>      According to the fab. house, this is caused by the burr (protrusion)
>      after depanelling the board.
>
>      Is there any standard spec. for the burr after depanelling the
>      v-scoring board? What is the general dimension tolerance used in
>      design the board with v-scoring?
>
>
>      Thanks
>
>
>      Robert
>
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