Stmicroelectronics S.r.l.

Distretto Tecnologico Sicilia Micro E Nano Sistemi S.c.a.r.l.

Maria Eloisa Castagna

Giuseppe Bruno

Enri Duqi

Antonello Santangelo

Michele Vaiana

Sabrina Conoci

Salvatore Cascino

Viviana Cerantonio

Massimo Orazio Spata

Anna Muscara'

Salvatore Leonardi

Salvatore Coffa

Marco Angelo Bianchessi

Angelo Recchia

Alessandro Cocci

Mariantonietta Monaco

Giuseppe Catania

Federica Guerinoni

Anna Muscara′

Alberto Mario Piro

Dario Russo

Integrated thermal sensor having a housing delimiting an internal space. A support region extends through the internal space; a plurality of thermocouple elements are carried by the support region and are electrically coupled to each other. Each thermocouple element is formed by a first and a second thermoelectrically active region of a first and, respectively, a second thermoelectrically active material, the first thermoelectrically active material having a first Seeback coefficient, the second thermoelectrically active material having a second Seeback coefficient, other than the first Seeback coefficient. At least one of the first and second thermoelectrically active regions is a silicon-based material. The first and second thermoelectrically active regions of each thermocouple element are formed by respective elongated regions extending at a mutual distance into the internal space of the housing, from and transversely to the support region.

Integrated thermal sensor and manufacturing process thereof

A thermographic sensor is proposed. The thermographic sensor includes one or more thermo-couples, each for providing a sensing voltage depending on a difference between a temperature of a hot joint and a temperature of a cold joint of the thermo-couple; the thermographic sensor further comprises one or more sensing transistors, each driven according to the sensing voltages of one or more corresponding thermo-couples for providing a sensing electrical signal depending on its temperature and on the corresponding sensing voltages. A thermographic device including the thermographic sensor and a corresponding signal processing circuit, and a system including one or more thermographic devices are also proposed.

Thermographic sensor with thermal transistors driven by thermo-couples

Radiation sensor including a detection assembly and a chopper assembly, which are mechanically coupled to delimit a main cavity; and wherein the chopper assembly includes: a suspended movable structure, which extends in the main cavity; and an actuation structure, which is electrically controllable to cause a change of position of the suspended movable structure. The detection unit includes a detection structure, which faces the main cavity and includes a number of detection devices. The suspended movable structure includes a first shield of conductive material, which shields the detection devices from the radiation, the shielding of the detection devices being a function of the position of the suspended movable structure.

Radiation sensor with an integrated mechanical optical modulator and related manufacturing process

A thermographic sensor is proposed. The thermographic sensor includes a plurality of sensing elements each comprising at least one thermo-couple. The thermographic sensor is integrated on a semiconductor on insulator body that is patterned to define a grid suspended from a substrate; for each sensing element, the grid has a frame with the cold joint of the thermo-couple, a plate with the hot joint of the thermo-couple and one or more arms sustaining the plate from the frame. The frames include one or more conductive layers of thermally conductive material for thermally equalizing the cold joints with the substrate. Moreover, each sensing element may also include a processing circuit for the thermo-couple that is integrated on the corresponding frame. A thermographic device including the thermographic sensor and a corresponding signal processing circuit, and a system including one or more thermographic devices are also proposed.

Thermographic sensor with thermo-couples on a suspended grid and processing circuits in frames thereof

The device is formed in a casing including a support, a spacer body, and a mirror element fixed together. A light-emitting element and a light-receiving element are arranged on a bearing surface of the support and face a reflecting surface of the mirror element. The light-emitting element is configured to generate infrared radiation, and the light-receiving element is configured to receive light radiation reflected by the reflecting surface. The spacer body has an emission opening housing the light-emitting element and a reception opening housing the light-receiving element; the reception opening comprises a radiation-limitation portion configured to enable entry of reflected light radiation having an angle, with respect to a normal to the bearing surface, of less than a preset value.

NDIR detector device for detecting gases having an infrared absorption spectrum

A microreactor includes: a substrate () made of semiconductor material; a plurality of wells () separated by walls () in the substrate (); a dielectric structure () coating at least the top of the walls (); a cap (), bonded to the substrate () and defining a chamber () above the wells (); and a biasing structure (), configured for setting up a voltage (VB) between the substrate () and the chamber ().

Microreactor and method for loading a liquid

A cartridge for an optical analysis, including a supporting body, having a first face and a second face opposite to one another; a plurality of wells adapted to receive a biological solution to be analyzed, the wells extending in the supporting body on the first face; at least one biocompatible layer extending inside each well; an anti-reflection layer extending on the first face outside the wells; and a reflection layer extending inside each well. Methods of using same are also provided.

Lab on chip cartridge

A device having an FET structure for the emission of an optical radiation integrated on a substrate of a semiconductor material, includes a first mirror, a second mirror of a dielectric type and an active layer comprising a main zone designed to be excited to generate the radiation. The device also includes a first electrically conductive layer containing two doped regions constitutes a source well and a drain well between which a current flows, a second electrically conductive layer which constitutes a gate, and a dielectric region between the first and second layer, to space corresponding peripheral portions of the first and second layers so that the current is channeled in the main zone for generating excitation radiation. The first and second electrically conductive layers and the active layer define an optical cavity.

Resonant cavity optical radiation emission device and process for manufacturing same

An analyzer for biochemical analysis includes a seat for receiving a recipient. A first light source and a second light source illuminate the recipient with a luminous radiation, respectively, in a first excitation band and in a second excitation band, including a first excitation wavelength and a second excitation wavelength of fluorophores of a first type and of a second type. A first image sensor and a second image sensor are oriented so as to receive light emitted by fluorophores contained in the recipient and are, respectively, provided with a first detection filter and a second detection filter, having, respectively, a first detection passband and a second detection passband, including, respectively, a first emission wavelength and a second emission wavelength of the fluorophores of the first type and of the second type.

Analyzer for biochemical analyses and method of determining concentrations of fluorescent substances in a solution

An electrically pumped lateral emission electroluminescent device may include a slotted waveguide including a top silicon layer having a thickness between 150 nm and 300 nm and a refraction index associated therewith, and a bottom silicon layer having a thickness between 150 nm and 300 nm and a refraction index associated therewith. A core layer may include silicon oxide between the top and bottom layers and a thickness less than 70 nm. A core layer refraction index may be greater than each of the top and bottom layer refraction indices. A core layer portion may be in a direction of light propagation and may be doped with erbium, and may include silicon nanocrystals. A portion of each of the top and bottom layers may coincide with the core layer portion and may be doped so that the top and bottom layer portions are electrically conductive to define top and bottom plates.

Electrically pumped lateral emission electroluminescent device integrated in a passive waveguide to generate light or amplify a light signal and fabrication process

A cartridge for biochemical analysis includes a support, a structure, which is set on the support and contains wells for receiving a solution, and photodetectors on the support, in positions corresponding to respective wells.

Cartridge for biochemical analyses, system for biochemical analyses, and method of carrying out a biochemical process

A device for emitting optical radiation is integrated on a substrate of semiconductor material. The device includes an active layer having a main area for generating radiation, and first and second electro-conductive layers having an electric signal that generates an electric field to which an exciting current is associated. In the device, a dielectric region is formed between the first and second layers to space peripheral portions of the first and second layers so that the electric field in the main area is higher than the electric field between the peripheral portions, thereby facilitating generation of the exciting current in the main area. A method of manufacturing is also disclosed.

Growing community of inventors

Catania, Italy

Maria Eloisa Castagna