This is similar to the doctor knife method to make small samples of experimental dry film resists. Works fine. I suggest a beveled stainless steel straight edge would be preferable to a glass rod as it will not pick up as much resist
----- Original Message -----
From: Russell Shaw
To: Homebrew_PCBs@yahoogroups.com
Sent: Wednesday, October 06, 2004 3:31 AM
Subject: Re: [Homebrew_PCBs] Re: Using Photoresist Spray
Leon Crowther wrote:
>
> Although I have not tried it myself, It was suggested to me that for
> best results a layer of uniform thickness is essential.
> So to accomplish this place the PCB flat and with two strips strips
> of brass shim place them on the board along two opposite edges and
> then spray the board. Now with a glass tube or suitable rod gently
> roll this along the board with its ends bearing on the shim.
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