[PCB_FORUM] Re: Silk legend

First, the "photoplot width" listed below is set to "0.0". The fab shop must
apply a line width to get it to print. The smallest typically used is 5 mils.
It might be helpful to set the "photoplot width" to that. You will then see
the text closer to WYSIWYG.
 
Second, on occasion, we have specified "LPI Silkscreen" which is a
photo-imageable process. They can go much smaller and everything looks much
sharper. Of course it adds $$$, although there are some proto shops that use
LPI silk exclusively.
 
 
 

________________________________

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Jean Bratton
Sent: Wednesday, October 19, 2005 11:50 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Silk legend



Same with us. Also for decoupling caps and any other part that you would
rather label than delete the label. We try for larger text, though, wherever
possible.

 

________________________________

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Dave Mattice
Sent: Wednesday, October 19, 2005 2:35 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Silk legend

 

This will be a fun topic.

 

we use this size for adding labels numbering

our bga columns and rows. It's very small but

is totally legible on the boards. This was in use

when I came here so I have never questioned

it. But it works... FYI

  font:            ANSI

  height:          31.0

  width:           23.0

  photoplot width: 0.0

  spacing:         8.0

  line spacing:    39.0

 

 

 

-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of Weinberg, Richard
(Richard)
Sent: Wednesday, October 19, 2005 11:30 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Silk legend

 

Just a survey question:

 

What is the smallest text size that is printable/readable on a silk screen
layer?

 

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  agere                             76 Sandy Point Road

                                                    Yarmouth, Maine 04096

                                    USA

 

Richard Weinberg           Tel: 207 846 4539

Applications Engineer                 rweinberg@xxxxxxxxx

        ReferenceDesigns                                   

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