Maxim Integrated Products, Inc.

Intersil Americas Inc.

Joy T Jones

Nicole Dorene Kerness

Arkadii V Samoilov

Zhihai Wang

Dong Zheng

Alexander Kalnitsky

Xijian Lin

Phillip J Benzel

Christopher Francis Edwards

Gregory Keith Cestra

Arvin Emadi

Pirooz Parvarandeh

Sean S Cahill

Ronald Bonshaw Koo

Sudarsan Uppili

Cheng-Wei Pei

Qi Luo

Albert Song

Xiaoming Yan

Paul G Schroeder

Peter R Harper

Perumal Ratnam

Anand K Chamakura

Ke-Cai Zeng

David Skurnik

Nevzat Akin Kestelli

Khanh Tran

Dan G Allen

John Philip Hanks

Henry Grage

Richard I Olsen

Craig A Easson

Sunny Kweisun Hsu

Timothy K McGuire

Patrick Tam

Bjoy Santos

Perumal Ratman

A sensor package, a sensor system, and a method for fabricating the sensor package are described that include a sensing chip having dispense chemistry disposed over an array of conductive elements. In an implementation, the sensor package may include a sensing chip that may include at least one conductive element, wherein the at least one conductive element may be part of an array of conductive elements defining a M by N matrix, where M is a number of rows of the at least one conductive element and N is a number of columns of the at least one conductive element. The sensing chip may further include dispense chemistry that may be disposed on the at least one conductive element and at least one contact pad. The sensor package may further include a microfluidic cap that may be positioned over at least a portion of the sensing chip, wherein the microfluidic cap and the sensing chip may define a cavity that may be configured to receive a fluid sample. The microfluidic cap may further include at least one electrode that may be configured to sense an analyte in the fluid sample. The at least one electrode may be coupled to the at lease one contact pad of the sensing chip via a conductive adhesive.

Analyte sensor package and method for analyzing fluid samples

A sensor system includes an assay chamber configured to receive a fluid sample. Dispense chemistry disposed within the assay chamber. A first electrode structure includes at least one conductive element and a second electrode structure proximate to the first electrode structure is configured to transmit an electrical signal through the fluid sample. The first electrode structure is configured to receive the electrical signal transmitted through the fluid sample and responsively generate a sense signal. The sense signal being indicative of an interaction of the fluid sample with the dispense chemistry. A controller is electrically coupled to the first electrode structure and configured to identify at least one analyte in the fluid sample based on at least the sense signal generated by the first electrode structure. The first electrode structure is embedded within a base substrate and the second electrode structure is embedded within a microfluidic cap that is coupled to the base substrate.

Analyte sensor package with dispense chemistry and microfluidic cap

An optical sensor package includes a substrate, a wall disposed upon the substrate, and a cover layer disposed on the wall. The substrate, the wall, and the cover layer at least partially define a cavity. The optical sensor package also includes a sensor disposed upon the substrate within the cavity. A cloaking layer is disposed upon to the cover layer. The cloaking layer is transmissive to at least a portion of a light spectrum and is configured to at least partially conceal the sensor. In some examples, the optical sensor package also includes a light source disposed upon the substrate within another cavity at least partially defined by the wall and the cover layer.

Optical sensor packages employing cloaking layers

Aspects of the disclosure pertain to a system and method for reducing ambient light sensitivity of Infrared (IR) detectors. Optical filter(s) (e.g., absorption filter(s), interference filter(s)) placed over a sensor of the IR detector (e.g., gesture sensor) absorb or reflect visible light, while passing specific IR wavelengths, for promoting the reduced ambient light sensitivity of the IR detector.

System and method for reducing ambient light sensitivity of infrared (IR) detectors

Techniques are provided to furnish a light sensor that includes a filter positioned over a photodetector to filter visible and infrared wavelengths to permit the sensing of ultraviolet (UV) wavelengths. In one or more implementations, the light sensor comprises a semiconductor device (e.g., a die) that includes a substrate. A photodetector (e.g., photodiode, phototransistor, etc.) is formed in the substrate proximate to the surface of the substrate. In one or more implementations, the substrate comprises a silicon on insulator substrate (SOI). A filter (e.g., absorption filter, interference filter, flat pass filter, McKinlay-Diffey Erythema Action Spectrum-based filter, UVA/UVB filter, and so forth) is disposed over the photodetector. The filter is configured to filter infrared light and visible light from light received by the light sensor to at least substantially block infrared light and visible light from reaching the photodetector. The thickness of the SOI substrate can be tailored to modify received UV/visible wavelength ratios.

Ultraviolet sensor having filter

Light sensors are described that include a trench structure integrated therein. In an implementation, the light sensor includes a substrate having a dopant material of a first conductivity type and multiple trenches disposed therein. The light sensor also includes a diffusion region formed proximate to the multiple trenches. The diffusion region includes a dopant material of a second conductivity type. A depletion region is created at the interface of the dopant material of the first conductivity type and the dopant material of the second conductivity type. The depletion region is configured to attract charge carriers to the depletion region, at least substantially a majority of the charge carriers generated due to light incident upon the substrate.

Light sensor with vertical diode junctions

A system includes one or more optical sensors for the measuring and monitoring of physiological information of a motorized system operator. The system is configured to determine an incapacitation state of the motorized system operator based upon the measured physiological information. When the measured physiological information indicates an incapacitation state (intoxication level, stress level, and so forth), the system is configured to provide a response thereto including, but not limited to: lock out operation of the motorized system, provide a warning on a display, transmit a message from the motorized system, assume automatic control of the motorized system, and so forth. The system includes a plurality of light sources (e.g., light-emitting diodes (LEDs)), one or more photodetectors, and control circuitry coupled to the plurality of light sources and/or photodetectors to non-invasively measure physiological information (e.g., blood alcohol concentration, stress levels, and so forth).

System including integrated optical sensors for determination of impairment of motorized system operators

The present disclosure describes an ultraviolet (UV) sensor configured to detect a target UV spectrum (e.g., UVB spectrum). The UV sensor includes a first photodiode with a first UV spectral response and a second photodiode with a second UV spectral response. A filter layer having a graded spectral response is formed over the second photodiode, and the second UV spectral response is affected by a controlled parameter (e.g., thickness) of the filter layer. The UV sensor further includes a subtraction circuit coupled with the first photodiode and the second photodiode. The subtraction circuit is configured to provide a differential response based on a difference between the first UV spectral response and the second UV spectral response. The controlled parameter of the filter layer can be selected such that the differential response provides a detected spectral response of the target spectrum.

Multi-channel UV detection for improved solar spectrum and UV index estimation

Techniques are described to furnish an IR suppression filter, or any other interference based filter, that is formed on a transparent substrate to a light sensor. In one or more implementations, a light sensor includes a substrate having a surface. One or more photodetectors are formed in the substrate. The photodetectors are configured to detect light and provide a signal in response thereto. An IR suppression filter configured to block infrared light from reaching the surface is formed on a transparent substrate. The light sensor may also include a plurality of color pass filters disposed over the surface. The color pass filters are configured to filter visible light to pass light in a limited spectrum of wavelengths to the one or more photodetectors. A buffer layer is disposed over the surface and configured to encapsulate the plurality of color pass filters and adhesion layer.

Light sensor having a contiguous IR suppression filter and transparent substrate

Techniques are described to furnish an IR suppression filter that is formed on a glass substrate to a light sensor. In one or more implementations, a light sensor includes a substrate having a surface. One or more photodetectors are formed in the substrate and configured to detect light and provide a signal in response thereto. An IR suppression filter configured to block infrared light from reaching the surface is formed on a glass substrate. The light sensor also includes a plurality of color pass filters disposed over the surface. The color pass filters are configured to filter visible light to pass light in a limited spectrum of wavelengths to the one or more photodetectors. A buffer layer is disposed over the surface and configured to encapsulate the plurality of color pass filters and adhesion layer. The light sensor further includes through-silicon vias to provide electrical interconnections between different conductive layers.

Light sensor having transparent substrate and through-substrate vias and a contiguous IR suppression filter

A planar diffractive optical element (DOE) lens is described herein. The planar DOE lens includes a substrate. The planar DOE lens further includes a first layer, the first layer being formed upon the substrate. The planar DOE lens further includes a diffractive optical element, the diffractive optical element being formed upon the first layer. The planar DOE lens further includes a second layer, the second layer being formed upon the first layer. The second layer is also formed over the diffractive optical element. The second layer encloses the diffractive optical element between the first layer and the second layer. The second layer includes a planar surface.

Planar diffractive optical element lens and method for producing same

Optical devices are described that integrate multiple heterogeneous components in a single, compact package. In one or more implementations, the optical devices include a carrier substrate having a surface that includes two or more cavities formed therein. One or more optical component devices are disposed within the respective cavities in a predetermined arrangement. A cover is disposed on the surface of the carrier substrate so that the cover at least substantially encloses the optical component devices within their respective cavities. The cover, which may be glass, is configured to transmit light within the predetermined spectrum of wavelengths.

Multichip wafer level package (WLP) optical device

A light sensor is described that includes a glass substrate having a diffuser formed therein and at least one color filter integrated on-chip (i.e., integrated on the die of the light sensor). In one or more implementations, the light sensor comprises a semiconductor device (e.g., a die) that includes a semiconductor substrate. At least one photodetector (e.g., photodiode, phototransistor, etc.) is formed in the substrate proximate to the surface of the substrate. The color filter is configured to filter light received by the light sensor to pass light in a limited spectrum of wavelengths (e.g., light having wavelengths between a first wavelength and a second wavelength) to the photodetector. A glass substrate is positioned over the substrate and includes a diffuser. The diffuser is configured to diffuse light incident on the diffuser and to pass the diffused light to the at least one color filter for further filtering.

Light sensor having transparent substrate and diffuser formed therein

Light sensor devices are described that have a glass substrate, which includes a lens to focus light over a wide variety of angles, bonded to the light sensor device. In one or more implementations, the light sensor devices include a substrate having a photodetector formed therein. The photodetector is capable of detecting light and providing a signal in response thereto. The sensors also include one or more color filters disposed over the photodetector. The color filters are configured to pass light in a limited spectrum of wavelengths to the photodetector. A glass substrate is disposed over the substrate and includes a lens that is configured to collimate light incident on the lens and to pass the collimated light to the color filter.

Light sensor having transparent substrate with lens formed therein

A device having one or more optical elements and an ambient light sensor integrated on a single substrate (e.g., wafer) and a method (e.g., process) for making same is described herein. The process includes the step of forming the ambient light sensor on a first surface of the substrate. The process further includes the step of forming a plurality of recesses in a second surface of the substrate, the second surface being located opposite the first surface. The process further includes depositing silicon dioxide into the plurality of recesses. The process further includes etching a pattern into the silicon dioxide (e.g., glass) to form the optical elements.

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Fremont, CA, United States of America

Joy T Jones