At 15.04 2005.09.29 +0100, you wrote:
>Recently I designed a board and sent it away to manufacture.
>After it was soldered I discovered that not all components work.
>
>Do you know any "good" literature about designing PCBs?

I'd say for this and other useful info:

"The Circuit Designer's Companion", by Tim Williams (a recent 2nd
edition is now available).

Very useful book.

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