DESIGNERCOUNCIL Archives

February 1998

DesignerCouncil@IPC.ORG

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Date:
Wed, 18 Feb 1998 10:37:00 +0000
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John McAllister <[log in to unmask]>
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GEC Marconi
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DesignerCouncil <[log in to unmask]>
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We are in discussions about using a Corporate Geometry Naming Convention
and I would be grateful if you could answer some questions on the IPC
Standard.

1/ Does the standard IPC-SM-782 take into account the physical size of
geometries (i.e height) or is it only for the footprints.

2/ What kind of naming convention does it use.

3/ I read in some newsgroups something about a program which you can use
to calculate tolerances and Land Fills, could you tell me more about
this.

4/ Our boardstations are three dimensional and the naming convention we
use just now describes the geometry i.e. dip_16_300. How would the IPC
Standard fit in with this. Would all our existing geometries need to be
archived.

5/ Do you know of any Naming Convention for Through Hole Geometries.

Hope you can answer some of my questions or steer me in the right
direction.

Thanks

John McAllister

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