B81B2201/058

FLUID TRANSFER COMPONENT FOR TRANSFERRING THERMAL ENERGY COMPRISING A FILM WITH FLUID CHANNELS
20210373582 · 2021-12-02 ·

In one embodiment, a fluid transfer component for transferring thermal energy comprises a film comprising a polymer with a thickness less than 5 millimeters, an input side constructed to receive fluid that flows from the input side to an active region of the film, more than 20 fluid channels defined by interior surfaces within the film, each fluid channel separated spatially in at least 1 row in a thickness direction of the film, the more than 20 fluid channels have a channel density across the active region greater than 5 fluid channels per centimeter, wherein the thermal energy is transferred to or from an environment and the fluid in the active region. The film may be an extruded microcapillary film or interior surfaces may comprise a surface modified to produce a surface relief profile. The active region may cool or warm the environment, which may comprise an individual.

METHOD OF FABRICATING A MICROSCALE CANOPY WICK STRUCTURE HAVING ENHANCED CAPILLARY PRESSURE AND PERMEABILITY

One or more methods of fabricating a microscale canopy wick structure having an array of individual wicks having one or more canopy members. Each method includes selectively etching a substrate to control the thickness of the canopy members and also control the width of a fluid flow channel between adjacent wicks in a manner that enhances the overall performance of the microscale canopy wick structure.

FOLDABLE DIGITAL MICROFLUIDIC (DMF) DEVICE USING FLEXIBLE ELECTRONIC PLATFORM AND METHODS OF MAKING SAME
20220193677 · 2022-06-23 ·

A foldable digital microfluidic (DMF) device using a flexible electronic platform and methods of making same is disclosed. The foldable DMF device includes a flexible polyimide substrate with thin copper features that is foldable to provide opposing substrates. The foldable DMF device further includes a flexible polyimide dielectric layer also with thin copper features. In some embodiments, the structure for forming the presently disclosed foldable DMF device is based on the use of blind vias. In some embodiments, the foldable DMF device includes one droplet actuation layer. In other embodiments, the foldable DMF device includes multiple droplet actuation layers. Additionally, a method of making the foldable DMF device is provided.

Coplanar fluidic interconnect

An apparatus includes a polymer base layer having a surface. A die has a surface that is substantially coplanar with the surface of the polymer base layer. The die includes a fluidic actuator to control fluid flow across the surface of the die. A fluidic channel is coupled to the polymer base layer to provide a fluidic interconnect between the die and a fluidic input/output port.

WEARABLE GLOVES INCLUDING A FABRIC MATERIAL WORN BY A USER, A POSITION SENSOR, AND A MATRIX WITH A PLURALITY OF VOIDS THAT EACH INCLUDE AT LEAST ONE FLUIDIC ACTUATOR
20220187920 · 2022-06-16 ·

A wearable glove for interacting with virtual objects is described herein. An example wearable glove includes a fabric material to be worn on a user's hand. The wearable glove also includes a matrix made of an elastic polymer, the matrix including a plurality of voids, each respective void (i) including at least one fluidic actuator and (ii) not being fluidically coupled with a positionally adjacent void. The wearable glove additionally includes a non-fluidic actuator configured to restrict movement of one of the user's digits; and one or more position sensors for monitoring positional data used to a determine a position of the wearable glove within a three-dimensional space. The wearable device can control the at least one fluidic actuator and the at least one non-fluidic actuator to simulate real-world interactions in the artificial-reality environment based on the position of the wearable device as compared to respective positions of virtual objects.

Methods and systems for characterizing fluid composition and process optimization in industrial water operations using MEMS technology

A method is disclosed comprising determining a concentration of one or more compounds of a fluid in an industrial water operation in real time. The determining of the concentration of the one or more components comprises contacting an array of sensors of a microelectromechanical system (MEMS) device with a sample of the fluid to provide a sample response indicative of the concentration of the one or more components. The method further provides adjusting or maintaining at least one operating parameter of the industrial water operation based on the concentration of the one or more components of the fluid.

System and method for forming a biological microdevice

A method for forming a biological microdevice includes applying a biocompatible coarse scale additive process with an additive device and a biocompatible material to form an object. The coarse scale is a dimension not less than about 100 μm. The method also includes applying a biocompatible fine scale subtractive process with a subtractive device to the object. The fine scale is a dimension not greater than about 1000 μm. The method also includes moving the object between the additive device and the subtractive device. A system is also provided for performing the above method and includes the additive device, the subtractive device, a means for transporting the object between the additive device and subtractive device and a processor with a memory including instructions to perform one or more of the above method steps.

PHOTOSENSITIVE TRANSISTOR, METHOD FOR MANUFACTURING A PHOTOSENSITIVE TRANSISTOR, AND MICROFLUIDIC CHIP

A photosensitive transistor includes a substrate and a first semiconductor layer, a first gate, a first electrode, a second electrode and a second semiconductor layer which are located on a side of the substrate. The first semiconductor layer includes a first doped region, a second doped region and a channel region, the second semiconductor layer is in direct contact with the channel region, and an area of the second semiconductor layer is less than an area of the first semiconductor layer. The photosensitive transistor includes a main region and opening regions, and the opening regions are located at a periphery of the main region. The first electrode and the second electrode are in the same layer and insulated from each other and both surround the main region. The second semiconductor layer includes a main body portion located in the main region and auxiliary portions located in the opening regions.

Microfluidic component package

A microfluidic component package that is readily integratable within a microfluidic system.

Universal approach for decoupling sensitivity and dynamic range of a sensor

A fluidic device includes a fluidic layer, a capture material, and an electronics layer, the fluidic layer includes a main channel and a pair of sample channels fluidly coupled to the main channel. The pair of sample channels is configured to receive and introduce a sample material into the device. The sample material includes an analyte. The capture material is positioned in a portion of the main channel that is spaced from the pair of sample channels. The capture material has a three-dimensional matrix of receptors therein configured to bond with the analyte. The capture material has a length that is associated with a dynamic range of the fluidic device and a cross-sectional area that is associated with a sensitivity of the fluidic device. The electronics layer includes electrodes configured to measure an electrical resistance through a portion of the capture material.