Global Standards for the Microelectronics Industry
base plane (of a package)
A plane parallel to the seating plane through the lowest point on the body of the package. It may coincide with the seating plane.
References:
RS-308-A, 8/81
A plane parallel to the seating plane through the lowest point on the body of the package. It may coincide with the seating plane.
RS-308-A, 8/81