Patent ID: 11881460
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method, comprising:
forming a ceramic substrate including:
a cavity;
a first metal layer below a floor of the cavity, the first metal layer configured to conduct signals having a frequency ranging from 2 GHz to 38 GHz; and
a ground shield positioned between the first metal layer and the floor of the cavity, the ground shield having a recessed area abutting an empty space, the empty space in a same horizontal plane as the ground shield;

coupling a device side of a semiconductor die to a conductive terminal extending through a floor of the cavity, a clearance between 1 millimeter and 3 millimeters in the horizontal plane circumscribing the semiconductor die;
plating a metal layer on a top surface of the ceramic substrate; and
forming a metal seal ring on the metal layer, the seal ring vertically aligned with the ground shield and not vertically aligned with the empty space.