Homebrew PCBs

35 microns = 35x10^-3 mm

(35X10^-3mm) ÷ (25.4mm/in) = 1.38X10^-3 inch =  1.38 mil

John

 
  ----- Original Message ----- 
  From: kbyrne10 
  To: Homebrew_PCBs@yahoogroups.com 
  Sent: Thursday, October 04, 2012 9:02 AM
  Subject: [Homebrew_PCBs] Re: Copper Clad Board Info


    
  Thanks for the help. Is there a good conversion calculator site available as I suffer thru math?

  --- In Homebrew_PCBs@yahoogroups.com, Leon Heller <leon355@...> wrote:
  >
  > On 04/10/2012 11:54, kbyrne10 wrote:
  > > I know of a trace calculator on a web site for determining width's of
  > > traces but I need a question answered. If I buy stock PCB boards what is
  > > the thickness of the copper itself? It asks for thickness like 1mil,
  > > 2mil, 5mil, & 10mil. To be exact I need to figure this out. Thank you Kevin
  > 
  > Copper thickness for most board material available to hobbyists is 1 oz 
  > per sq. ft. which equates to 35 microns.
  > 
  > Leon
  > -- 
  > Leon Heller
  > G1HSM
  >



  

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