What is a PCB acid trap? An acid trap is simply any sharp corner in your trace pattern that could trap the harsh chemical etchants used to strip excess copper from a board during manufacture.

What is acid trapping?

What is a PCB acid trap? An acid trap is simply any sharp corner in your trace pattern that could trap the harsh chemical etchants used to strip excess copper from a board during manufacture.

What is ionized and unionized drugs?

Most drugs are weak acids or bases that are present in solution as both the ionized and unionized forms. Ionized molecules are usually unable to penetrate lipid cell membranes because they are hydrophilic and poorly lipid soluble. Unionized molecules are usually lipid soluble and can diffuse across cell membranes.