Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

David Punsalan <david_punsalan@...> writes:

> You might try reducing your exposure time as well

Anyone doing photo exposures should get a step transmission gauge and
∗test∗ their exposure, so that they ∗know∗ it's correctly exposed.
They're cheap and they take all the guesswork out of it.