Enhancements to the stackup and assembly data have the supply chain signing on to the electronics data transfer format.
Eighteen months ago, Fujitsu Networks Communications CAD engineering manager Gary Carter shipped CAD files for a 12-layer PCB in the IPC-2581A format to a major board fabricator. The fabricator responded, asking for a drawing and profile information. It’s all there, Carter said, it just has to be derived from the CAD file.
The fabricator proceeded, and other than missing some data for machine routing for cutouts and V groove, Carter recalls, “They worked around what their CAM tool couldn’t handle, and they built it.”