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From: geda AT psjt DOT org (Stephan =?utf-8?Q?B=C3=B6ttcher?=)
To: <geda-user AT delorie DOT com>
Subject: Re: [geda-user] pcb slotted holes for relay
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Date: Sun, 13 Aug 2017 16:46:50 +0200
In-Reply-To: <BA0CB6E8-8B98-4967-99AE-908550D6F3AB@gmail.com> (Carlos Nieves's
	message of "Sun, 13 Aug 2017 16:05:19 +0200")
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"Carlos Nieves (cnieves DOT mail AT gmail DOT com) [via geda-user AT delorie DOT com]"
<geda-user AT delorie DOT com> writes:

> Hi,
> I think both options can be needed. The usual way would be option B.
>
> Option A can be used for other complex things...
>
> I remember seeing some special PCB supplier supports components inside
> a cavity. I mean being able to place a smd component to be soldered at
> layer 3, for example, in a PCB with more than 4 layers. There is a
> hole or cavity in layers 1 and 2 to allow this.
>
> Of course this is not usual... But please design the core properly so
> everything could be done at some point in the future...

Also: Rigid-flex boards, with components on rigid outer layers, and on
flex outer/inner layers.

> Regards,
>
> Carlos
>

-- 
Stephan