Patent ID: 8592932

Claim:
An electronic apparatus, comprising: a first level package structure comprising a silicon space transformer chip carrier structure and an integrated circuit chip flip chip mounted on a first surface of the silicon space transformer chip carrier structure using an first pattern of electrical contacts with pitch Pl; and a second level package substrate comprising a second pattern of electrical contacts with pitch P 2 , wherein P 2 >P 1 , formed on a mounting surface thereof, wherein the first level package structure is mounted to the mounting surface of the second level package substrate with the silicon space transformer chip carrier structure providing space transforming electrical interconnections between the first pattern of electrical contacts and the second pattern of electrical contacts on the mounting surface of the second level package structure, and wherein the silicon space transformer chip carrier structure comprises an open cavity that extends from the first pattern of electrical contacts to the second pattern of electrical contacts, and wherein an electronic device is disposable in the open cavity.