摘要:
A method of connecting a conductive trace and an insulative base to a semiconductor chip includes providing a semiconductor chip, a metal base, an insulative base, a routing line and an interconnect, wherein the chip includes a conductive pad, the metal base is disposed on a side of the insulative base that faces away from the chip, the routing line is disposed on a side of the insulative base that faces towards the chip, and the interconnect extends through a via in the insulative base and electrically connects the metal base and the routing line, forming an opening that extends through the insulative base and exposes the pad, forming a connection joint that electrically connects the routing line and the pad, and etching the metal base such that an unetched portion of the metal base forms a pillar that overlaps and is aligned with the via and contacts the interconnect, wherein a conductive trace includes the routing line, the interconnect and the pillar. Preferably, the opening extends through an insulative adhesive that attaches the routing line to the chip.
摘要:
A method of making a semiconductor chip assembly includes providing a semiconductor chip, a metal base, an insulative base and a conductive trace, wherein the chip includes a conductive pad, the metal base is disposed on a side of the insulative base that faces away from the chip, the conductive trace includes a contact terminal that extends through the insulative base, and the pad is exposed through an opening that extends through the metal base and the insulative base and is spaced from the contact terminal, then forming a connection joint that contacts and electrically connects the conductive trace and the pad, and then removing a portion of the metal base that contacts the contact terminal. Preferably, the opening extends through an insulative adhesive that attaches the chip to the conductive trace.
摘要:
A method of making a semiconductor chip assembly includes providing a metal base, a routing line, a bumped terminal and a filler, wherein the routing line is adjacent to the bumped terminal, then mechanically attaching a semiconductor chip to the metal base, the routing line, the bumped terminal and the filler, then forming an encapsulant, then etching the metal base to expose the bumped terminal, and then grinding the bumped terminal to expose the filler.
摘要:
A method of making a semiconductor chip assembly includes providing a metal base, a routing line, a bumped terminal and a metal filler, then mechanically attaching a semiconductor chip to the metal base, the routing line, the bumped terminal and the metal filler, then forming an encapsulant, then etching the metal base to expose the bumped terminal, and then grinding the bumped terminal to expose the metal filler.
摘要:
A three-dimensional stacked semiconductor package includes first and second semiconductor chip assemblies. The first semiconductor chip assembly includes a first chip, a first conductive trace and a first encapsulant, and the first conductive trace includes a first metal pillar. The second semiconductor chip assembly includes a second chip, a second conductive trace and a second encapsulant, and the second encapsulant includes a second aperture. The first metal pillar extends into the second aperture.
摘要:
A method of connecting a conductive trace to a semiconductor chip includes providing a semiconductor chip, a conductive trace and a base, wherein the chip includes a conductive pad, the conductive trace includes a bumped terminal, the base includes a recess, the conductive trace is disposed proximate to the pad, the base contacts and covers the conductive trace on a side opposite the chip, the bumped terminal is in the recess, and the conductive trace and the base are different metals, etching the base to expose the conductive trace, and forming a connection joint that contacts and electrically connects the conductive trace and the pad. Preferably, the bumped terminal is outside a periphery of the chip, and an encapsulant provides compressible mechanical support for the bumped terminal.
摘要:
A method of making a three-dimensional stacked semiconductor package includes providing a first semiconductor chip assembly that includes a first chip, a first conductive trace and a first encapsulant, wherein the first conductive trace includes a first metal pillar, providing a second semiconductor chip assembly that includes a second chip, a second conductive trace and a second encapsulant, wherein the second encapsulant includes a second aperture, and then positioning the first and second assemblies such that the first assembly overlaps the second assembly and the first metal pillar extends into the second aperture.
摘要:
A semiconductor chip assembly includes a semiconductor chip that includes a conductive pad, a conductive trace that includes a routing line, a bumped terminal and a metal pillar, a connection joint that electrically connects the routing line and the pad, and an encapsulant. The routing line is contiguous with the bumped terminal and extends laterally beyond the bumped terminal and the metal pillar, and the metal pillar contacts and extends vertically beyond the bumped terminal.
摘要:
A test probe includes a conductive trace with a bumped terminal, the bumped terminal includes a jagged contact surface and a cavity that face in opposite directions, and the contact surface includes a plated metal. The contact surface is jagged due to particles which may protrude, be covered or dislodged. Preferably, the test probe includes an elastomer that fills the cavity so that the bumped terminal is compliant. The test probe is well-suited for pressure contact with semiconductor chips, BGA packages and other electronic devices.
摘要:
A method of making a semiconductor chip assembly includes providing a semiconductor chip and a laminated structure, wherein the chip includes a conductive pad, the laminated structure includes a conductive trace, an insulative base and a metal base, the conductive trace includes a routing line and a bumped terminal, the metal base and the routing line are disposed on opposite sides of the insulative base, and the bumped terminal includes a cavity that extends through the insulative base and into the metal base, removing a portion of the metal base that contacts the bumped terminal, and forming a connection joint that contacts and electrically connects the conductive trace and the pad.