B81C2201/019

CMOS-MEMS structure and method of forming the same

The present disclosure provides a semiconductor device. The semiconductor device includes a substrate, a metallization layer over the substrate, and a sensing structure over the metallization layer. The sensing structure includes an outgassing layer over the metallization layer, a patterned outgassing barrier in proximity to a top surface of the outgassing layer, the patterned outgassing barrier exposing a portion of the outgassing layer, and an electrode over the patterned outgassing barrier. The method for manufacturing the semiconductor device is also provided.

DEVICE AND METHOD FOR BONDING SUBSTRATES

A method for bonding a contact surface of a first substrate to a contact surface of a second substrate comprising of the steps of: positioning the first substrate on a first receiving surface of a first receiving apparatus and positioning the second substrate on a second receiving surface of a second receiving apparatus; establishing contact of the contact surfaces at a bond initiation site; and bonding the first substrate to the second substrate along a bonding wave which is travelling from the bond initiation site to the side edges of the substrates, wherein the first substrate and/or the second substrate is/are deformed for alignment of the contact surfaces.

Multilayer fluidic devices and methods for their fabrication

A method of making a flowcell includes bonding a first surface of an organic solid support to a surface of a first inorganic solid support via a first bonding layer, wherein the organic solid support includes a plurality of elongated cutouts. The method further includes bonding a surface of a second inorganic solid support to a second surface of the organic solid support via a second bonding layer, so as to form the flowcell. The formed flowcell includes a plurality of channels defined by the surface of the first inorganic solid support, the surface of the second inorganic solid support, and walls of the elongated cutouts.

Device and method for bonding substrates

A method for bonding a contact surface of a first substrate to a contact surface of a second substrate comprising of the steps of: positioning the first substrate on a first receiving surface of a first receiving apparatus and positioning the second substrate on a second receiving surface of a second receiving apparatus; establishing contact of the contact surfaces at a bond initiation site; and bonding the first substrate to the second substrate along a bonding wave which is travelling from the bond initiation site to the side edges of the substrates, wherein the first substrate and/or the second substrate is/are deformed for alignment of the contact surfaces.

Method of fabricating semiconductor structure

A method includes forming a recess in a first substrate, bonding a micro-electro-mechanical systems (MEMS) substrate to the first substrate after forming the recess in the first substrate, forming an anti-stiction layer over the micro-electro-mechanical systems (MEMS) substrate, pattering the anti-stiction layer, etching the MEMS substrate to form a MEMS device, and bonding the MEMS device and the first substrate to a second substrate. The patterned anti-stiction layer is between the MEMS device and the second substrate.

Methods of making microfluidic devices

Microfluidics has advanced in terms of designs and structures, however, fabrication methods are either time consuming or expensive to produce, in terms of the facilities and equipment needed. A fast and economically viable method is provided to allow, for example, research groups to have access to microfluidic fabrication. Unlike most fabrication methods, a method is provided to fabricate a microfluidic device in one step. In an embodiment, a resolution of 50 micrometers was achieved by using maskless high-resolution digital light projection (MDLP). Bonding and channel fabrication of complex or simple structures can be rapidly incorporated to fabricate the microfluidic devices.

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.

METHOD FOR MANUFACTURING AT LEAST ONE MEMBRANE SYSTEM, MEMBRANE SYSTEM FOR A MICROMECHANICAL SENSOR, AND COMPONENT
20210238031 · 2021-08-05 ·

A method for manufacturing at least one membrane system for a micromechanical sensor for the calorimetric detection of gases. A wafer-shaped substrate is provided. At least one reference volume is introduced from a front side into the wafer-shaped substrate with the aid of a surface or volume micromechanical process while forming a reference membrane covering the reference volume at least in some areas. At least one measuring volume, which is adjacent to the at least one reference volume, is introduced into the substrate from a back side or the front side of the wafer-shaped substrate while forming a measuring membrane. A wafer-shaped cap substrate is applied onto the front side of the wafer-shaped substrate. A membrane system and a component are described.

Haptic actuators fabricated by roll-to-roll processing
11078071 · 2021-08-03 · ·

Described is a micro-haptic actuator device that can be fabricated with roll-to-roll MEMS processing techniques. The device includes a first body having a first surface and a second, opposing surface, the body has a chamber defined by at least one interior wall, a piston member disposed in the chamber, physically spaced from the at least one interior wall of the chamber, the piston member having a first surface and a second opposing surface. A membrane layer is disposed over and attached to the first surface of the body, with a portion of the membrane attached to the first surface of the piston member. The device also includes a first electrode supported on a second surface the membrane, and a second body that supports a second electrode, with the second body attached to the second surface of the first body.

MICROPHONE DEVICE AND METHOD OF FORMING A MICROPHONE DEVICE
20210193899 · 2021-06-24 ·

A microphone device may include: a substrate wafer, a support member bonded to a front surface of the substrate wafer, a single-crystal piezoelectric film provided over the support member, a top electrode and a bottom electrode. The single-crystal piezoelectric film may have a first surface and an opposing second surface. The top electrode may be arranged adjacent to the first surface of the single-crystal piezoelectric film. The bottom electrode may be arranged adjacent to the second surface of the single-crystal piezoelectric film. The substrate wafer may have a through-hole formed therein. The through-hole of the substrate wafer may be at least substantially aligned with at least one of the top electrode and the bottom electrode.