B81B2207/093

Wafer level package for device
20230050181 · 2023-02-16 ·

According to an example aspect of the present invention, there is provided a wafer level package for a device, the package comprising: a first substrate and a second substrate, a sealing structure comprising a seal ring and a bonding layer between the first substrate and the second substrate, and a lateral electrical connection line on a surface of the first substrate, which lateral electrical connection line extends through the seal ring for creating an electrical connection between the device inside the package and an electrical circuit outside the package.

METHOD AND SYSTEM FOR FABRICATING A MEMS DEVICE CAP
20230045563 · 2023-02-09 ·

A device includes a substrate comprising a first standoff, a second standoff, a third standoff, a first cavity, a second cavity, and a bonding material covering a portion of the first, the second, and the third standoff. The first cavity is positioned between the first and the second standoffs, and the second cavity is positioned between the second and the third standoffs. The first cavity comprises a first cavity region and a second cavity region separated by a portion of the substrate extruding thereto, and wherein a depth associated with the first cavity region is greater than a depth associated with the second cavity. A surface of the first cavity is covered with a getter material.

Packaging method and associated packaging structure

The present disclosure provides a packaging method, including: providing a first semiconductor substrate; forming a bonding region on the first semiconductor substrate, wherein the bonding region of the first semiconductor substrate includes a first bonding metal layer and a second bonding metal layer; providing a second semiconductor substrate having a bonding region, wherein the bonding region of the second semiconductor substrate includes a third bonding layer; and bonding the first semiconductor substrate to the second semiconductor substrate by bringing the bonding region of the first semiconductor substrate in contact with the bonding region of the second semiconductor substrate; wherein the first and third bonding metal layers include copper (Cu), and the second bonding metal layer includes Tin (Sn). An associated packaging structure is also disclosed.

MEMS DEVICE WITH PERIMETER BAROMETRIC RELIEF PIERCE

A microelectromechanical systems (MEMS) die includes a first diaphragm and a second diaphragm, wherein the first diaphragm and the second diaphragm bound a sealed chamber. A stationary electrode is disposed within the sealed chamber between the first diaphragm and the second diaphragm. A tunnel passes through the first diaphragm and the second diaphragm without passing through the stationary electrode, wherein the tunnel is sealed off from the chamber. The MEMS die further includes a substrate having an opening formed therethrough, wherein the tunnel provides fluid communication from the opening, through the second diaphragm, and through the first diaphragm.

Fabrication Method of MEMS Transducer Element

A method of fabricating a plurality of individual microelectromechanical transducer elements includes forming a plurality of microelectromechanical transducer elements on a wafer. Each microelectromechanical transducer element has a sensitive region with a membrane and a sensing element monitoring at least one measurand and generating an electrical signal correlated with the at least one measurand, and an electrical contact outputting the electrical signal. The method includes providing, for each microelectromechanical transducer element, a sealing structure around a sensitive region and an electrical connection connected to the electrical contact. The sealing structure and the electrical connection are made out of a reflow solder material. The method includes dicing the wafer to form individual microelectromechanical transducer elements.

Low Temperature Self-Sealing Vacuum Packaging

A method and system involves vacuum sealing a semi-enclosure at room temperature without requiring mechanical actions within the vacuum chamber. The semi-enclosure has an inlet channel that extends inwardly into the vacuum chamber from an exterior opening (entryway) into the semi-enclosure. An uncured entryway vacuum sealant is provided at the entryway for the semi-enclosure. A vacuum is established in the vacuum chamber until the vacuum pressure reaches a desired vacuum pressure that causes the uncured entryway sealant to be provided to the entryway for the semi-enclosure. The uncured entryway vacuum sealant is cured under vacuum pressure in the semi-enclosure in the vacuum chamber.

Process for manufacturing a lid for an electronic device package, and lid for an electronic device package
09822001 · 2017-11-21 · ·

A process for manufacturing a packaged microelectromechanical device includes: forming a lid having a face and a cavity open on the face; coating the face of the lid and walls of the cavity with a metal layer containing copper; and coating the metal layer with a protective layer.

PACKAGING METHOD AND ASSOCIATED PACKAGING STRUCTURE
20170225947 · 2017-08-10 ·

The present disclosure provides a packaging method, including: providing a first semiconductor substrate; forming a bonding region on the first semiconductor substrate, wherein the bonding region of the first semiconductor substrate includes a first bonding metal layer and a second bonding metal layer; providing a second semiconductor substrate having a bonding region, wherein the bonding region of the second semiconductor substrate includes a third bonding layer; and bonding the first semiconductor substrate to the second semiconductor substrate by bringing the bonding region of the first semiconductor substrate in contact with the bonding region of the second semiconductor substrate; wherein the first and third bonding metal layers include copper (Cu), and the second bonding metal layer includes Tin (Sn). An associated packaging structure is also disclosed.

Thermocompression bonding of electronic components
11456277 · 2022-09-27 · ·

A method for producing an electronic module includes providing a first substrate including at least one first electrical contacting surface, an electronic component including at least one second electrical contacting surface, and a first material layer made of a thermoplastic material including at least one recess extending through the material layer. The first substrate, the electronic component and the first material layer are arranged with the first material layer disposed between the first substrate and the electronic component, and the at least one first electrical contacting surface, the at least one second electrical contacting surface and the at least one recess aligned relative to one another. The first substrate, the electronic component and the material layer are thermocompression bonded. A joint formed between the at least one first electrical contacting surface and the at least one second electrical contacting surface is surrounded or enclosed by the first material layer.

Microelectromechanical device with signal routing through a protective cap

A microelectromechanical device includes: a body accommodating a microelectromechanical structure; and a cap bonded to the body and electrically coupled to the microelectromechanical structure through conductive bonding regions. The cap including a selection module, which has first selection terminals coupled to the microelectromechanical structure, second selection terminals, and at least one control terminal, and which can be controlled through the control terminal to couple the second selection terminals to respective first selection terminals according, selectively, to one of a plurality of coupling configurations corresponding to respective operating conditions.