Robert Boschgmbh

Akustica, Inc.

Formfactor Beaverton, Inc.

Jay Scott Salmon

Eric Ochs

Kuldeep Saxena

Roy Swart

Uwe Hansen

Brandon Liew

A semiconductor package. The semiconductor package includes a first side, a second side, a molded substrate, a die, and a lead frame. The second side of the semiconductor package is opposite the first side of the semiconductor package. The die and lead frame are embedded into the molded substrate. The lead frame is also positioned between the first side and the second side of the semiconductor package to provide a first electrical connection between the first side and the second side of the semiconductor package.

Molded lead frame package with embedded die

Probe head assemblies and probe systems for testing integrated circuit devices are disclosed herein. In one embodiment, the probe head assemblies include a contacting structure and a space transformer assembly. In another embodiment, the probe head assemblies include a contacting structure, a suspension system, a flex cable interface, and a space transformer including a space transformer body and a flex cable assembly. In another embodiment, the probe head assemblies include a contacting structure, a space transformer, and a planarization layer. In another embodiment, the probe head assemblies include a contacting structure, a space transformer, a suspension system, a platen, a printed circuit board, a first plurality of signal conductors configured to convey a first plurality of signals external to the space transformer, and a second plurality of signal conductors configured to convey a second plurality of signals via the space transformer. The probe systems include the probe head assemblies.

Probe head assemblies and probe systems for testing integrated circuit devices

Systems and methods for lead frame-based chip carriers for use with MEMS transducers. One embodiment provides a method for manufacturing a MEMS microphone package. In one exemplary embodiment, the method includes flip chip bonding a first plurality of I/O pads on an application specific integrated circuit to a plurality of traces on a lead frame. The method further includes removing at least one of the plurality of traces such that at least one of the first plurality of I/O pads is electrically isolated from the lead frame. The method further includes bonding the lead frame to a lid and electrically connecting, via at least one wire bond, a MEMS microphone mounted to the lid to the application specific integrated circuit using a second plurality of I/O pads of the application specific integrated circuit. The method further includes bonding a substrate to the lead frame to form an air tight volume within the lid.

Lead frame-based chip carrier used in the fabrication of MEMS transducer packages

A MEMS microphone package and a method of manufacturing a MEMS microphone package having a lid and a substrate cap. The lid includes a wire bonding shelf that provides a surface internal to the MEMS microphone for connection points for internal wire bonds. One or more conductive traces deposited on the bonding shelf are provided to connect internal electronic components via the wire bonds to a substrate cap. The substrate cap is configured to connect to external devices or components. The internal electronic components include a MEMS microphone die and an application specific integrated circuit. The internal electronic components are configured to transmit signals to external electronics indicative of acoustic energy received by the MEMS microphone die by the configurations described herein.

Metalized microphone lid with integrated wire bonding shelf

In one embodiment a micro-electro-mechanical system (MEMS) microphone package includes a multiple layer substrate, an upper acoustic port formed through a plurality of upper layers of the multiple layer substrate and exposing an upper surface of a membrane portion, a lower acoustic port formed through a plurality of lower layers of the multiple layer substrate and exposing a lower surface of the membrane portion, a ring trench formed through at least one of the plurality of upper layers and exposing a metal ring, a MEMS die located above the ring trench, a copper pillar ring extending between the metal ring and the MEMS die, and a solder pillar ring positioned on a first surface of the copper pillar ring, the copper pillar ring and solder pillar ring attaching the MEMS die to the metal ring.

MEMS microphone package

A microelectromechanical system (MEMS) microphone package including a MEMS microphone die configured to sense acoustic pressure and to generate a signal based on the acoustic pressure. An application specific integrated circuit (ASIC) electrically connects to the MEMS microphone die. The MEMS microphone package includes a molded package spacer that connects to a conductive lid and to a substrate. The molded package spacer forms side walls of the MEMS microphone package and is adapted to route electrical connections from the MEMS microphone die and the ASIC to the substrate.

Microphone package with molded spacer

MEMS microphone packages are described that include an ASIC integrated in the base substrate of the package housing. Methods of manufacturing the same and methods for separating individual microphone packages from wafer form assembly arrays are also described.

Microphone package with integrated substrate

A semiconductor device. The device including a substrate having electrical traces, at least one of a MEMS die and a semiconductor chip mounted on the substrate, and a spacer. The spacer has a first end connected to the substrate and includes electrical interconnects coupled to the electrical traces. The at least one MEMS die and a semiconductor chip are contained within the spacer. The spacer and substrate form a cavity which contains the at least one MEMS die and a semiconductor chip. The cavity forms an acoustic volume when the semiconductor device is mounted to a circuit board via a second end of the spacer.

Cavity package design

A microphone package is described that includes a plastic lid, a substrate base, and two electrical components. The plastic lid includes a first conductive lid trace and the substrate base includes a first conductive substrate trace. The plastic lid is sealably coupled to the substrate base to form a sealed cavity. The substrate trace and the lid trace are arranged such that, when the cavity is sealed, an electrical connection is formed between the substrate trace and the lid trace. The first component is mounted on the substrate base and electrically coupled to the substrate trace. The second component is mounted on the lid and is electrically coupled to the lid trace. The electrical connection between the substrate trace and the lid trace provides electrical coupling between the first component and the second component. At least one of the first component and the second component includes a MEMS microphone die.

Growing community of inventors

Pittsburgh, PA, United States of America

Jay Scott Salmon