Patent ID: 9484321
Filing Date: 2016-11-01
CPC Classification: H01L

Claim Text:
1. A high frequency device comprising: a base plate having a main surface and opposed first and second sides; a first dielectric layer on said main surface, along said first side of said base plate; a signal line on said first dielectric layer and extending from said first side toward a central portion of said main surface; an island pattern of a metal on said first dielectric layer, adjacent said signal line, and extending from said first side toward said central portion without contacting said signal line; a second dielectric layer on a portion of said signal line and a portion of said island pattern; a metal frame having a contact portion in contact with said main surface and having a bridge portion on said second dielectric layer, said contact portion and said bridge portion together enclosing said central portion of said main surface, wherein said signal line includes an outside signal line and an inside signal line respectively outside and inside said metal frame; a lead frame connected to said outside signal line; a semiconductor chip secured to said central portion of said main surface; a first wire connecting said semiconductor chip to said inside signal line; and a second wire connecting said signal line to said island pattern.