Homebrew PCBs

----- Original Message ----- 
From: "Don Jackson AE5K" <don@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Wednesday, November 05, 2008 2:46 PM
Subject: [Homebrew_PCBs] Determining copper weight


>A little different subject from most message traffic: Anyone know of a 
> method to (hopefully easily) determine the copper weight on unetched 
> material (probably FR-4)?
> 
> In my case, I've collected various pieces of copper clad board but have 
> no idea if copper is 1/2 oz., 1 oz, or more.

Peel off a piece of copper and measure the thickness.

Leon