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Mon, 11 May 1998 04:34:48 -0500 |
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Ernie,
Over the years we have not been able to tent holes unless we are able
to keep .012"-.015" of film around each hole. If we have a constant
tent breaking problem it is usually because the design does not give us
this clearance. With the proper amount of clearance I haven't had a
problem.
Doug Jeffery
Electrotek, Inc.
You wrote:
>
> We seem to have an issue with tents breaking on
large
> holes ( .180 to .250 dia. ) as well as slots, typically .118 x
.250.
> No matter whose film we have tried, the tents break. It is not
always
> every panel, nor every lot. We have an idea that it may be being
> caused by the developer. Has anyone out there wrestled with this
> problem, and if so how was it resolved. To switch to secondary
drill
> would just impact that departments output Any help will be deeply
> appreciated.
>
> Ernie Smith
> Electropac Co. Inc.
>
> e-mail to [log in to unmask]
>
> or on the technet
>
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