G01L19/145

PRESSURE SENSOR
20170292885 · 2017-10-12 ·

A sensor module and a joint are made of different metal materials. The sensor module includes a first portion located near a diaphragm and a second portion having a large-diameter portion whose diameter is larger than that of the first portion. A step engaged with a peripheral edge of the large-diameter portion is formed on the joint. The large-diameter portion and the joint are mutually bonded through a bonding portion. The bonding portion is bonded by a plastic deformation bonding that is so-called metal flow. A space is defined between the joint and the module body.

Pressure sensor including an integrated position determining member

A pressure sensor includes a sensor element, an inner frame configured to receive at least a portion of the sensor element, and a housing configured to receive the inner frame therein. The inner frame is formed of a metal material and includes a printed circuit board assembly to be electrically connected to the sensor element. The housing is formed of a resin material.

Microfused silicon strain gauge (MSG) pressure sensor package

Methods and apparatus for a microfused silicon strain gauge pressure sensor. A pressure sensor package includes a sense element configured to be exposed to a pressure environment, the sense element including at least one strain gauge, an electronics package disposed on a carrier and electrically coupled to the sense element, the carrier disposed on a port that includes the sense element, the port enabling a decoupling feature for sealing and parasitic sealing forces and a reduction of a port length, a housing disposed about the sense element and electronics package, and a connector joined to the housing and electrically connected to the electronics package, the connector including an external interface.

STRUCTURE FOR CONTROLLING TENSION ON A THREADED HEADER
20170276554 · 2017-09-28 ·

Certain embodiments of the disclosed technology provide systems and methods for an improved header and corresponding port associated with a transducer assembly. The header and port define mating threaded portions, thread stop portions, and a weld gap region. The thread stop portions are configured to mate and maintain a pre-loading tension between the threaded portions during and after applying a weld in the weld gap region. The weld gap region is configured to have a predetermined gap distance such that the weld seals the transducer without stress in the weld. The mating of the first and second thread stops are configured to maintain at least a portion of the pre-loading tension.

LOW STRESS INTEGRATED DEVICE PACKAGES
20170320725 · 2017-11-09 ·

An integrated device package is disclosed. The integrated device package can include a packaging structure defining a cavity. An integrated device die can be disposed at least partially within the cavity. A gel can be disposed within the cavity surrounding the integrated device. A portion of the gel can be disposed between a lower surface of the integrated device die and an upper surface of the packaging structure within the cavity.

PRESSURE SENSOR AND MANUFACTURING METHOD THEREOF

A pressure sensor has a housing, an air lead-in hole, a pressure lead-in hole, an inner cavity, a sensor chip, a lead frame and a cover plate. One end of the air lead-in hole is in communication with the inner cavity of the housing, and the other end of the air lead-in hole is in communication with the air; the pressure lead-in hole is perpendicularly disposed at the center of the upper surface of the housing, two steps are disposed on the upper surface of the inner cavity, and a horizontal surface-mounted device surface is disposed on each of the steps. The center of the sensor chip is aligned with the centers of the pressure lead-in hole, and the lower end of the pressure lead-in holes are in communication with the cavity of the sensor chip.

PRESSURE SENSOR ASSEMBLY

A pressure sensor assembly includes a pressure sensor, a pedestal and an electrically conductive header having a header cavity. The pressure sensor includes, an electrically conductive sensing layer having a sensor diaphragm, an electrically conductive backing layer having a bottom surface that is bonded to the sensing layer, an electrically insulative layer having a bottom surface that is bonded to a top surface of the backing layer, and a sensor element having an electrical parameter that changes based on a deflection of the sensor diaphragm in response to a pressure difference. The pedestal is bonded to the electrically insulative layer and attached to the header within the header cavity.

PRESSURE SENSOR AND PACKAGING METHOD THEREOF

A pressure sensor and a packaging method thereof. The pressure sensor comprises: a sensitive chip, which comprises a thin-wall part and a supporting part connected to the periphery of the thin-wall part, the supporting part being provided with an electrode; a sealing element, which is fitted over the sensitive chip and partially surrounds together with the sensitive chip to form a sealing cavity, the sealing element being provided with a through hole corresponding to the electrode; a conductive component, which is provided in the through hole in a sealed mode and electrically connected to the electrode, the conductive component and the sealing element being arranged in an insulating mode, and the conductive component comprising a filling part and a leading-out part embedded in the filling part.

PRESSURE SENSOR
20220155166 · 2022-05-19 · ·

A pressure sensor configured to prevent tearing or cracking of an insulating film for insulating between a stem and a detection circuit from occurring. A stem having a planar outer bottom surface, an outer side surface intersecting the outer bottom surface, and a pressure receiving inner surface that is the opposite surface to the outer bottom surface and receives pressure from a fluid to be measured; and a detection circuit provided to the outer bottom surface with an insulating film interposed therebetween. The stem has a foot part that: is formed to surround the outer bottom surface; consists of a surface which, when observed parallel to the outer bottom surface, faces a direction different from the direction of the outer bottom surface and the outer side surface; and connects between the outer bottom surface and the outer side surface. The insulating film covers a portion of the foot part.

Pressure sensor device and method for forming a pressure sensor device

In an embodiment a pressure sensor device includes a substrate body, a pressure sensor having a membrane and a cap body having at least one opening, wherein the pressure sensor is arranged between the substrate body and the cap body in a vertical direction which is perpendicular to a main plane of extension of the substrate body, and wherein the mass of the substrate body amounts to at least 80% of the mass of the cap body and at most 120% of the mass of the cap body.