Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-05 19:38 UTC

Message

Re: [Homebrew_PCBs] darkness requirements for UV PCB handling?

2014-09-04 by Harvey White

On Wed, 03 Sep 2014 19:14:24 -0400, you wrote:

>"Harvey White madyn@... [Homebrew_PCBs]"
><Homebrew_PCBs@yahoogroups.com> writes:
>>>Yeah, all my basement lights are CF "daylight" bulbs.  Dunno if they're
>>>full spectrum, but they're not the usual yellow-y lights.
>>
>> Don't use them then,
>
>Thanks, but I'll keep using them.  Most of the basement has another
>purpose that's best served by daylight bulbs.  Like I said, I remove the
>one at the UV area when I'm doing UV, and I haven't had any problems.

OK, slight misunderstanding here.... "don't use them for the
photoresist".

Darkrooms, for instance, have a safelight lighting system and a
regular lighting system for tank developing, setting up trays, etc.

Harvey

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.