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

----- Original Message -----
From: "Andrew" <andrewm1973@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, June 19, 2006 10:58 PM
Subject: [Homebrew_PCBs] UV Exposure Problems - was - Re: My best fine-pitch
PCB so far


>> Leon wrote:
>> <Stuff about jetstar>
>
>>> And Stuart wrote:
>>> <Stuff about trannys and inkjets>
>
> Guys, I followed this thread as far up as
> I can and I didn't see any mention of ink
> being used for the photo tool.
>
> I am only going off hear-say as I use a
> tidy laser printer for my photo tools
>
> BUT
>
> Stuart - have you read in the archives that
> yellow ink is better for the photo tool
> (more UV absorbant) than black ink. Some
> people claimed that black ink was almost
> invisable to the UV light. Though I guess
> how "invisable" black is depends on the ink
> make up.
>
> Leon - Do you use black ink or a colour ink
> for your phototools on the JetStar ?

I use black. I'll try yellow and see if it is any better.

Leon