Talk:Chemical milling

Merge with Industrial etching
See merge discussion at Talk:Industrial_etching

What is meant by "Recording Heat Frets" ?

 * Is this recording to components of a Tape Drive
 * "Recording Head Frets" may make sense for the word for that in my head at least
 * Any idea what was meant by this / some clarification, thanks

--Eric Lotze (talk) 20:53, 1 September 2023 (UTC)