Allegro artwork soldermask顶层和soldermask底层需要出那些信息

1. SOLDERMASK_TOP

1) BOARD GEOMETRY/OUTLINE

2) BOARD GEOMETRY/SOLDERMASK_TOP

3) PACKAGE GEOMETRY/SOLDERMASK_TOP

4) VIA CLASS/SOLDERMASK_TOP

5) PIN/SOLDERMASK_TOP

2. SOLDERMASK_BOTTOM

1) BOARD GEOMETRY/OUTLINE

2) BOARD GEOMETRY/SOLDERMASK_BOTTOM

3) PACKAGE GEOMETRY/SOLDERMASK_BOTTOM

4) VIA CLASS/SOLDERMASK_BOTTOM

5) PIN/SOLDERMASK_BOTTOM

原文：http://www.cnblogs.com/huoyan007/p/5142444.html