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Are librarians adding a pin one dot to tiny comps? |
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lsday 
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Joined: 15 Dec 2014 Status: Offline Points: 24 |
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 Topic: Are librarians adding a pin one dot to tiny comps?Posted: 29 Mar 2019 at 8:30am |
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I am getting quite a few die size components. I am wondering about the pin one marking. Should I mark it? Should the dot size be less than 20 mils?
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Tom H
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Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5716 |
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Posted: 29 Mar 2019 at 8:37am |
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A 15 Mil dot is about the smallest for both the fabrication shop and the human eye.
Why not box Pin 1 in a square? Or are the pins too close? These are the Polarity Marking in Library Expert.  |
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lsday
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Posted: 29 Mar 2019 at 8:56am |
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I will try the box method. Thank you Tom.
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Tom H
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Posted: 29 Mar 2019 at 9:05am |
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If you're in FP Designer, temporarily move the origin to Pin 1 and then place the box a 0,0 and make the line width minimum 0.10 and make the box 0.15 larger than the pad.
Box size = 0.10 line with 0.10 space + pad size. If you use a 0.12 line / 0.12 space then make the box 0.18 larger than the pad. |
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