gEDA-user: land patterns

[norwoods <norwoods@xxxxxxxxxxxxx>]

IPC, http://www.ipc.org,
has a new standard, IPC-7351 Generic Requirements for Surface Mount 
Design and Land Pattern Standards, replacing IPC-SM-782.  there is a 
viewer available and a number of land patterns from http://pcblibraries.com

here is an announcement:
IPC-7351 Land Pattern Viewer and Tools
IPC-7351, /Generic Requirements for Surface Mount Design and Land
Pattern Standards/, is supplemented by a suite of software tools
composed of land pattern viewers, calculators and generators for the
creation of new part libraries.
The IPC-7351 Land Pattern Viewer is a shareware program that allows
users to view component and land pattern dimensional data in tabular
form as well as graphical images that illustrate how a component is
attached to the land pattern on the board. Download the latest IPC-7351
Land Pattern Viewer here: IPC-7351 Land Pattern Viewer â Version 3.000
<http://landpatterns.ipc.org/IPC_Viewer_V3-000.zip> (.zip)

http://pcblibraries.com      has the viewer and some other documents 
available:
Zero Orientation for CAD Library Part Construction
CAD Library of the Future - Technical Paper
CAD Library of the Future - MS-PowerPoint Presentation
IPC-7351 Land Pattern Naming Convention 1/07/05

norwood sisson