Nxp Usa, Inc.

Freescale Semiconductor,inc.

Nxp B.v.

Akhilesh Kumar Singh

Nishant Lakhera

Navas Khan Oratti Kalandar

Chee Seng Foong

Varughese Mathew

Rama I Hegde

Stephen Ryan Hooper

Boon Yew Low

Nihaar N Mahatme

Dwight Lee Daniels

Gilles Montoriol

Darrel R Frear

Trung Duong

James R Guajardo

Andrew Jefferson Mawer

A semiconductor device comprises a substrate including a set of interconnect pads, a die mounted on the substrate, wherein the die includes circuitry that cannot withstand typical lead-free (Pb-free) solder reflow temperature during reflow process, and a reinforcing interposer including a first set of interconnect pads and a second set of interconnect pads. Low temperature solder material connects one of the set of interconnect pads on the substrate to a corresponding one of the first set of interconnect pads on the reinforcing interposer. A printed circuit board includes a set of interconnect pads. Low temperature solder material connects one of the set of interconnect pads of the printed circuit board to a corresponding one of the second set of interconnect pads of the reinforcing interposer. The low temperature solder material has a reflow temperature below typical Pb-free solder material.

Packaged semiconductor device assembly

Embodiments for a packaged semiconductor device and methods of making are provided herein, which includes a packaged semiconductor device including: a semiconductor die; a carrier; a plurality of electrical connections formed between the semiconductor die and the carrier; an electrical isolation layer that covers an outer surface of each of the plurality of electrical connections; and a conductive underfill structure between the semiconductor die and the carrier, and surrounding each of the plurality of electrical connections, wherein the electrical isolation layer electrically isolates each electrical connection from the conductive underfill structure.

Package with conductive underfill ground plane

A method of manufacturing a hybrid package including a flat package and a Wafer Level Chip Scale Package (WLCSP) is disclosed. The method includes fabricating a strip including a plurality of flat packages attached to each other via metal pins, turning the strip upside down, applying a layer of a thermal interface material (TIM) on each of the flat packages while the each of the flat packages is turned upside down, mounting the WLCSP on the layer of the TIM such that a top side of the WLCSP is interfaced with the layer of the TIM, curing the layer of the TIM and singulating each of the flat packages by cutting the metal pins and bending the metal pins.

Hybrid package

Embodiments are provided herein for a packaged semiconductor device and method of fabricating, the device including: a semiconductor die; a redistribution layer (RDL) structure on an active side of the semiconductor die, the RDL structure including a plurality of contact pads on an outer surface of the RDL structure; a plurality of external connections attached to the plurality of contact pads; and a support structure including an attachment portion and two or more standing members extending from an inner surface of the attachment portion, wherein a back side of the package body is attached to the inner surface of the attachment portion.

Package with support structure

A method for forming a packaged semiconductor device includes attaching a first major surface of a semiconductor die to a plurality of protrusions extending from a package substrate. A top surface of each protrusion has a die attach material, and the plurality of protrusions define an open region between the first major surface of the semiconductor die and the package substrate. Interconnects are formed between a second major surface of the semiconductor die and the package substrate in which the second major surface opposite the first major surface. An encapsulant material is formed over the semiconductor die and the interconnects.

Die attachment for packaged semiconductor device

A packaged semiconductor device includes a first package substrate having a first plurality of lead fingers, a first die attached to a first major surface of the first package substrate, a second package substrate having a second plurality of lead fingers, wherein each of the second plurality of lead fingers extends over the first die and the second package substrate is electrically isolated from the first package substrate. The device also includes a second die attached to a first major surface of the second package substrate, over the first die, and an encapsulant surrounding the first die, the first package substrate, the second die, and the second package substrate, wherein the encapsulant exposes a portion of the first package substrate and a portion of the second package substrate.

Apparatus and methods for multi-die packaging

A method of processing a semiconductor wafer includes forming a plurality of die in the semiconductor wafer. The semiconductor wafer has a first brittleness. The top surface the semiconductor wafer undergoes grinding to leave an inner planar surface and a rim, wherein the rim extends above the inner planar surface and around a perimeter of the grinded semiconductor wafer. The first encapsulant material is formed over the inner planar surface and contained within the rim to form a composite semiconductor wafer that has a second brittleness less than the first brittleness. The composite semiconductor wafer is singulated into the plurality of die in which each die of the plurality of die is a composite structure die.

Wafer level chip scale package with encapsulant

A packaged semiconductor device includes a substrate, an electronic device coupled to the substrate, encapsulant including a first major surface surrounding the electronic device, and an oxygen barrier layer within fifty percent of a thickness of the encapsulant from a second major surface of the encapsulant. The oxygen barrier covers at least a portion of an area of the second major surface of the encapsulant to help reduce or eliminate warping of the encapsulant and/or the substrate of the packaged semiconductor device due to oxidation. A thickness of the oxygen barrier layer is less than 100 microns.

Structure and method to minimize warpage of packaged semiconductor devices

An electronic component package that includes a heat spreader with a die pad. An electronic component is attached to each side of the die pad where each electronic component includes conductive terminals on a side facing away from the die pad. Conductive terminals of the top electronic component are wirebonded to conductive surfaces of a package substrate and conductive terminals of the bottom electronic component are physically and electrically attached to conductive surfaces of the package substrate. The heat spreader structure includes tie structures that extend in a direction away from the second electronic component.

Electronic component package with heatsink and multiple electronic components

A package device has a first lead frame having a first flag. A first integrated circuit is on the first flag. A first encapsulant is over the first integrated circuit. A first plurality of leads is electrically bonded to the first integrated circuit. A first lead of the first plurality of leads has an inner portion covered by the first encapsulant and an outer portion extending outside the encapsulant. The outer portion has a hole and a bend at the hole. The outer portion extends above the first encapsulant.

Packaged semiconductor device having bent leads and method for forming

A method of fabricating a plurality of semiconductor devices includes attaching a plurality of integrated circuit (IC) die to a substrate including forming electric connections between contacts on the IC die and contacts on the substrate. After the IC die is attached to the substrate, a first encapsulating material is placed over stress-sensitive areas of the IC die. The first encapsulating material includes thirty percent or less of filler particles greater than a specified size. A second encapsulating material is placed over the first encapsulating material. The second encapsulating material includes sixty percent or more of filler particles.

Method for packaging an integrated circuit device with stress buffer

A device in which an electronic circuit positioned within a cavity of a package housing is encased by a bubble restrictor material, with a media resistant material overlaying the bubble restrictor material. The bubble restrictor material functions to inhibit the formation and growth of moisture-related bubbles within the material, including at the interfaces of the material and surfaces within the package housing. The media resistant material is resistant to physical and chemical alterations by media within an external environment to which the device is exposed. The media resistant material and bubble resistant material function to transfer a sensed characteristic of the media to the electronic circuit.

Environmental sensor structure

A semiconductor structure includes a lead frame having a flag and a plurality of leads, a semiconductor die attached to a first major surface of the flag, and a plurality of re-routed lead fingers attached to the lead frame. The plurality of leads has a first pitch. The first end of each re-routed lead finger is attached to a lead of the plurality of leads. Each re-routed lead finger extends over the semiconductor die such that a second end of each re-routed lead finger is over and spaced apart from the flag of the lead frame. The second ends of the plurality of re-routed lead fingers has a second pitch different from the first pitch.

Growing community of inventors

Austin, TX, United States of America

Akhilesh Kumar Singh