Homebrew PCBs

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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