B81B7/0038

Structure for microelectromechanical systems (MEMS) devices to control pressure at high temperature

Various embodiments of the present disclosure are directed towards an integrated chip including a capping structure over a device substrate. The device substrate includes a first microelectromechanical systems (MEMS) device and a second MEMS device laterally offset from the first MEMS device. The capping structure includes a first cavity overlying the first MEMS device and a second cavity overlying the second MEMS device. The first cavity has a first gas pressure and the second cavity has a second gas pressure different from the first cavity. An outgas layer abutting the first cavity. The outgas layer includes an outgas material having an outgas species. The outgas material is amorphous.

Enclosures for Microphone Assemblies Including a Fluoropolymer Insulating Layer
20220201387 · 2022-06-23 ·

A microphone assembly comprises a substrate. An acoustic transducer is disposed on the substrate, the acoustic transducer configured to generate an electrical signal responsive to acoustic activity. An integrated circuit is disposed on the substrate and electrically coupled to the acoustic transducer, the integrated circuit configured to generate an output signal indicative of the acoustic activity based on the electrical signal from the acoustic transducer. An enclosure is coupled to the substrate and defines an internal volume between the enclosure and the substrate, the enclosure having an outer surface exposed to an outside environment of the microphone assembly, and an inner surface adjacent the internal volume. An insulating layer is disposed on the inner surface of the enclosure. The insulating layer comprises a fluoropolymer.

Miniature optical particulate matter sensor module

Embodiments of the disclosure include a miniature optical PM sensor module. A miniature optical particulate matter sensor module may comprise a housing; a micro airflow generator positioned within the housing; an actuator positioned adjacent to the micro airflow generator and configured to drive the micro airflow generator; a miniature particulate matter sensor board assembly in fluid communication with the micro airflow generator; and a flex cable assembly configured to attach to at least one of the housing and the miniature particulate matter sensor board assembly.

Electronic device and corresponding manufacturing method

An electronic integrated circuit (IC) component is mounted to a substrate. A cap member is applied onto the substrate and covers the electronic IC component. The cap member includes an outer wall defining an opening and an inner wall surrounding the electronic IC component. The inner wall extends from a proximal end at the substrate towards a distal end facing the opening in the outer wall to provide a reception chamber for the electronic IC component and a peripheral chamber between the inner wall and the outer wall of the cap member. An encapsulant material is provided in the reception chamber to seal the electronic IC component without being present in the peripheral chamber.

Selective gettering through phase segregation and temperature dependent storage and release structure for lubricant

A microelectronic device package includes a host material and a gettering material. The microelectronic device package also includes a polymeric component between the host material and the gettering material. The polymeric component substantially encapsulates the gettering material. The microelectronic device package further includes a fluorochemical lubricant. The polymeric component serves to prevent a reaction between the fluorochemical lubricant and the gettering material. Alternatively, the fluorochemical lubricant may be encapsulated by a polymeric component and may be released upon an increase in temperature during or after a packaging step.

PACKAGE STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
20220153573 · 2022-05-19 ·

A package structure that includes a pair of substrates arranged to oppose each other so as to form an internal space; a bonding portion sealing the pair of substrates; an element is sealed in the internal space and surrounded by the pair of substrates; an adsorption layer within the internal space and opposing at least one substrate of the pair of substrates, the adsorption layer constructed to adsorbs at least hydrogen; and a diffusion-inhibiting layer between the at least one substrate and the adsorption layer, and in which hydrogen is more difficult to diffuse compared with in the at least one substrate.

DETACHABLE MEMS PACKAGE TOP COVER
20220144626 · 2022-05-12 ·

A MEMS chip package is provided with a removable cover to allow non-destructive testing. The MEMS package has a container (with walls and a bottom) and a cover. The cover has a glass pane, and is secured to the MEMS package with an elastomeric gasket mounted between the walls of the MEMS package and the cover. A number of attachment mechanisms secure the cover to the MEMS package.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD FOR THE SAME
20230249961 · 2023-08-10 ·

The present disclosure provides a micro electro mechanical system (MEMS) structure, including a device substrate having a first region and a second region different from the first region, a capping substrate bonded over the device substrate, a first cavity in the first region and between the device substrate and capping substrate, wherein the first cavity has a first cavity pressure, a second cavity in the second region and between the device substrate and capping substrate, wherein the second cavity has a second cavity pressure lower than the first cavity pressure, an outgassing material, wherein the outgassing material includes a top surface and a sidewall exposed to the first cavity, the outgassing material is free from being in direct contact with the capping substrate, wherein the outgassing material includes a trench, and a passivation layer disposed over the device substrate, and is in direct contact with the outgassing material.

MEMS with small-molecule barricade

A MEMS element within a semiconductor device is enclosed within a cavity bounded at least in part by hydrogen-permeable material. A hydrogen barrier is formed within the semiconductor device to block propagation of hydrogen into the cavity via the hydrogen-permeable material.

WAFER LEVEL VACUUM PACKAGING (WLVP) OF THERMAL IMAGING SENSOR
20220128411 · 2022-04-28 ·

A complementary metal oxide semiconductor (CMOS) device embedded with microelectromechanical system (MEMS) components in a MEMS region. The MEMS components, for example, are infrared (IR) thermosensors. The device is encapsulated with a CMOS compatible IR transparent cap to hermetically seal the device using wafer-level vacuum packaging techniques.