IPC D 351 : 0

1.0 Scope
1.1 Format Compatibility
2.0 Applicable Documents
2.1 IPC
2.2 American National Standards Institute
2.3 Department of Defense
3.0 Terms and Definitions
3.1 Annotation
3.2 Comment Records
3.3 Complex of Composite Records
3.4 Data Information Module (DIM)
3.5 Data Layer
3.6 Feature Location Record
3.7 Job Set
3.8 Modal Form
3.9 Parameter Record
3.10 Physical Layer
3.11 Subroutine
3.12 Subroutine Call
4.0 General Requirements
4.1 Data Hierarchy
4.2 Basic Record Types
4.3 Data Set Descriptions
4.4 Data Orientation
4.5 Transfer Media and Data Formats
5.0 Parameter Records
5.1 Parameter - JOB
5.2 Parameter - DIM
5.3 Parameter - UNITS
5.4 Parameter - TITLE
5.5 Parameter - NUM
5.6 Parameter - REV
5.7 Parameter - SHEET
5.8 Parameter - SCALE
6.0 Comment Records
7.0 Feature/Location Area Format
7.1 General Information
7.2 Operations Code Description
7.3 Feature Description Area (FDA)
7.4 Location Description Area (LDA)
7.5 Unassigned Columns
8.0 Line Record Definition
8.1 Special Requirements for Line Records
8.2 Operations Code Definitions
8.3 'D' field Definition
8.4 'L' Field Definition
8.5 'S' Field Definition
8.6 'H' Field Definition
8.7 'P' Field Definition
8.8 'G' Field Definition
8.9 LDA Field Definition
9.0 Point Record Definition
9.1 Operations Code Definition
9.2 'D' Field Definition
9.3 'L' Field Definition
9.4 'S' Field Definition
9.5 'H' Field Definition
9.6 'P' Field Definition
9.7 'G' Field Definition
9.8 'LDA' Field Definition
10.0 Annotation/Dimension Record Definition
10.1 Annotation Record
10.2 Special Requirements for Annotation Records
11.0 Subroutines
11.1 General
11.2 Subroutine Definition - Operation Code 2
11.3 Subroutine CALL Records
Appendix

Intended to supplement IPC-D-350, specifically in the area of describing printed wiring board related drawings in digital form. It is intended that the basic record format described in IPC-D-350 also apply to the record format described in this supplement. These formats may be used for transfer of drawings between printed wiring board designers, manufacturers and customers. The intent is to convey additional requirements, guidelines and examples necessary to provide the data structures and concepts for drawing description in digital form.