Describes an intelligent, digital format for transfer of drawings between printed wiring board designers, manufacturers and customers. Also conveys additional requirements, guidelines and examples necessary to provide the data structures and concepts for drawing description in digital form. Supplements ANSI-IPC-D-350. Pertains to four basic types of drawings: master drawings, schematics, assembly drawings and miscellaneous part drawings. This document is frozen; no future updates are planned. 52 pages. Released August 1985. Preview the table of contents .pdf file.Included in the E-500 Collection.