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Subject: Re: [Homebrew_PCBs] laminator roller pressure for dry film

From: "Todd F. Carney" <k7tfc@...>
Date: 2013-01-21

Jeff,

It is almost always the case that a pressure specification is in
"psi"--pounds per square inch. With paid, the board could be and inch wide
or a foot and it wouldn't matter.

73,

Todd
On Jan 20, 2013 1:46 PM, "Jeff" <jeff.heiss@...> wrote:

> ∗∗
>
>
> For laminating dry film photoresist to copper clad, the datasheet for
> Riston film says to use a laminator roller pressure of 40 pounds but it
> does not state the width of the board which is needed for lb/in. If the
> width of the board for 40 pounds is 12 inches, then a 6 inch wide board
> would use 20 pounds.
>
> Do the experienced have any hints for roller pressure?
>
> Jeff
>
>
>


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