Patent ID: 7528792
Filing Date: 2009-05-05
Classification: H01L

Abstract:
1. A microwave and millimeter wave structure comprising: a thin dielectric layer having a pocket with precisely dimensioned vertical sidewalls formed through the dielectric layer; the thin dielectric layer having a thickness that is less than ten mils; an RF metal trace and a DC metal trace formed on a first side of the dielectric layer, at least one of the RF and DC metal traces coupled to a bond pad adjacent one of the precisely dimensioned vertical sidewalls; a metal thermal and electrical ground plane attached to the dielectric layer on a second side of the dielectric layer that is opposite the first side of the dielectric layer; a device selected from the group consisting of a microwave circuit, a millimeter wave circuit, and a discrete semiconductor component, the device disposed in the pocket and having opposing sides substantially parallel to the precisely dimension vertical sidewalls and a surface substantially coplaner to the traces; an interconnection between the device and the bond pad having a length resulting in a high frequency, low loss transition for the microwave and millimeter wave structure; and wherein the length of the interconnection is less than 15 mils.