From fbd91e668cc25b72aaa9961ed006e541589e3c39 Mon Sep 17 00:00:00 2001
From: "Pavel V. Shatov (Meister)" <meisterpaul1@yandex.ru>
Date: Wed, 23 Sep 2020 16:25:22 +0300
Subject: Design tech parameters. Can be used to fill out your assembly house
 board order form.

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 PCB_Notes.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 PCB_Notes.txt

(limited to 'PCB_Notes.txt')

diff --git a/PCB_Notes.txt b/PCB_Notes.txt
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+++ b/PCB_Notes.txt
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+Alpha rev.04 PCB Description:
+
+Number of layers:  8
+Type of material:  FR-4
+Board thickness:   1.6 mm
+Board size:        99.5 x 122.0 mm
+Surface finish:    ENIG
+Outer layers:      35 um
+Inner layers:      35 um
+Soldermask side:   Top & Bottom
+Soldermask color:  Green
+Silkscreen side:   Top & Bottom
+Silkscreen color:  White
+Smallest track:    0.15 mm
+Smallest drill:    0.25 mm
+Smallest gap:      0.1 mm
+Extra:             0.25 and 0.5 mm vias must be plugged
+                   according to IPC4761 type VII ("via in pad")
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