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Webinar: Basic Design Guide 2013

Würth Elektronik Circuit Board Technology

www.we-online.de Seite 1 08.05.2013

Agenda

What is standard?

Stackup, track width and spacing

Plated through hole vias

Solder mask

Other design parameters

www.we-online.de Seite 2 08.05.2013

What is standard?

Standard / Basic

No µViasBGA

Pitch ≥ 0,8mmOnly through

holesOne bonding

processStandardstackup

Layoutaccording toBasic Design

Rules

www.we-online.de Seite 3 08.05.2013

Prepreg ≥ 100 µm

Stackup

www.we-online.de Seite 4 08.05.2013

Prepreg ≥ 60 µm

Core ≥ 100µm

Prepreg ≥ 100 µm

Stackup

www.we-online.de Seite 5 08.05.2013

Prepreg ≥ 60 µm

Core ≥ 100µmStandardstackup

2-14 layers

17,5 – 105µmcopper

Layerdistance min.

100µm

0,8 – 2,4mmthickness

Track width and spacing – inner layers

www.we-online.de Seite 6 08.05.2013

Track width

Spacing

Track width and spacing – outer layers

www.we-online.de Seite 7 08.05.2013

Track width

Spacing

We will have a…

08.05.2013www.we-online.de Page 8

Which parameter have the biggest influence onthe minimum distances and traces width?

Plated through holes

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Drill tool

Final diameter

Via-Pad

Plated through holes

www.we-online.de Seite 10 08.05.2013

Drill tool

Final diameter

Via-Pad

We will have a poll…

08.05.2013www.we-online.de Page 11

Which drill tool size could be used on a 55µm via pad?

Soldermask

www.we-online.de Seite 12 08.05.2013

Soldermask

www.we-online.de Seite 13 08.05.2013

Soldermask

www.we-online.de Seite 14 08.05.2013

Other design parameters

www.we-online.de Seite 15 08.05.2013

Other design parameters

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08.05.2013www.we-online.de Page 17

Thank you for your attention!

Dominic BüchWÜRTH ELEKTRONIK GmbH & Co. KGProdukt ManagementLasercavityCircuit Board TechnologyP.: +49 7622 397 223E. dominic.buech@we-online.deW. www.we-online.com

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