Patent ID: 9219017
Filing Date: 2015-12-22
Classification: B23K,H01L

Abstract:
1. A radio frequency semiconductor device package comprising: a metal base plate; a first metal wall provided with first and second openings and connected onto the metal base plate, the first and second openings being set back from a lower surface side of the first metal wall and not reaching an upper surface of the first metal wall, a second metal wall connected to the upper surface of the first metal wall, the second metal wall being thicker than the first metal wall; a first feed-through part including a first insulator and a first line pattern insulated from the first and second metal walls and joined to an inner wall of the first opening and the metal base plate; and a second feed-through part including a second insulator and a second line pattern insulated from the first and second metal walls and joined to an inner wall of the second opening and the metal base plate.