Patent ID: 7075186

Claim:
A semiconductor chip assembly, comprising: a semiconductor chip that includes first and second opposing surfaces, wherein the first surface of the chip includes a conductive pad; a conductive trace that includes a routing line, a metal pillar and a contact terminal, wherein the routing line extends laterally beyond the metal pillar and the contact terminal; the metal pillar includes first and second opposing surfaces and sidewalls therebetween, the first surface of the metal pillar faces in a first direction and contacts and is non-integral with the routing line, the second surface of the metal pillar faces in a second direction opposite the first direction, is spaced from the routing line and contacts and is non-integral with the contact terminal, the sidewalls include first and second sidewall portions that are adjacent to one another, the first sidewall portion is adjacent to the first surface of the metal pillar, is spaced from the second surface of the metal pillar and extends vertically beyond the second sidewall portion in the first direction, and the second sidewall portion is adjacent to the second surface of the metal pillar, is spaced from the first surface of the metal pillar and extends vertically beyond the first sidewall portion in the second direction; and the contact terminal includes a body and a flange and is spaced from the routing line, the first surface of the metal pillar and the first sidewall portion, the body contacts the second surface of the metal pillar, is spaced from the second sidewall portion, is adjacent to the flange, covers and extends vertically beyond the second surface of the metal pillar and the flange in the second direction and includes a solder surface that faces in the second direction, and the flange extends vertically beyond the body in the first direction, contacts and extends laterally beyond the second sidewall portion, is spaced from the second surface of the metal pillar and includes solder; a connection joint that electrically connects the routing line and the pad; an encapsulant; and an insulative base, wherein the chip is embedded in the encapsulant, the metal pillar is embedded in the insulative base and extends vertically beyond the routing line in the second direction, the body is not covered in the second direction by any material of the assembly, the encapsulant contacts the chip and extends vertically beyond the routing line, the metal pillar, the contact terminal, the connection joint and the insulative base in the first direction, and the insulative base contacts the routing line, the metal pillar and the contact terminal, is overlapped by the chip, extends vertically beyond the contact terminal in the first direction and extends vertically beyond the chip, the routing line, the metal pillar, the flange, the connection joint and the encapsulant in the second direction.