B81C1/00071

MICROFLUIDIC CHANNEL MADE OF HYDROPHILIC SILICONE RESIN
20210032393 · 2021-02-04 · ·

A microfluidic channel made of a hydrophilic silicone resin includes a crosslinked material obtained by curing a composition containing a silicone macromer represented by the following general formula (1). Consequently, a microfluidic channel made from a resin having high oxygen permeability, where a surface after formation shows high hydrophilicity without a secondary treatment and the hydrophilicity is sustained for a long period of time.

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Method for inflating micro-channels

The invention belongs to the technical field of metal micro-forming, and in particular relates to a method for inflating micro-channels. The present invention is aimed at the problems of low process flexibility, single product type, and non-closed structure of the micro-channel when preparing metal micro-channels by micro-plastic forming of ultra-thin metal strips. The present invention uses a method combining numerical simulation and bond rolling experiment to analyze the effect of the hydrogen pressure and bond strength of the metal composite ultra-thin strip after bond rolling on the pore diameter of the micro-channel, and the corresponding relationship between the micro-channel pore diameter and the titanium hydride content, heating temperature, and bond strength of the metal composite ultra-thin strip is obtained.

USE OF AN UNCOUPLING STRUCTURE FOR ASSEMBLING A COMPONENT HAVING A CASING

In an assembly between a MEMS and/or NEMS electromechanical component and a casing, the electromechanical component includes at least one suspended and movable structure which is provided with at least one fixing zone, on which a region for receiving the casing is fixed, the suspended structure being at least partially formed in a cover for protecting the component or in a layer which is different from the one in which a sensitive element of the component is formed.

METHOD FOR PRODUCING MULTI-LAYERED TYPE MICROCHANNEL DEVICE USING PHOTOSENITIVE RESIN LAMINATE

Provided is a method for producing a multi-layered microchannel device by using a photosensitive resin laminate, which is highly-defined and excellent in dimension accuracy and enables channels to be partially hydrophilized or hydrophobilized, wherein the method comprises step (i) of sequentially carrying out (i-a) forming a first photosensitive resin layer on a substrate, (i-b) light-exposing the first photosensitive resin layer, and (i-c) developing the light-exposed photosensitive layer and forming a channel pattern layer, to form a first channel pattern layer; and step (ii) of sequentially carrying out (ii-a) laminating a second photosensitive resin laminate on the first channel pattern layer formed in the step (i), (ii-b) light-exposing a photosensitive layer of the second photosensitive resin laminate, and (ii-c) developing the light-exposed photosensitive layer and forming a channel pattern layer, to form a second channel pattern layer.

FABRICATION OF NANOCHANNEL WITH INTEGRATED ELECTRODES FOR DNA SEQUENCING USING TUNNELING CURRENT

A DNA sequencing device and related methods, wherein the device includes a substrate, a nanochannel formed in the substrate, a first electrode positioned on a first side of the nanochannel, and a second electrode. The second electrode is positioned on a second side of the nanochannel opposite the first electrode and is spaced apart from the first electrode to form an electrode gap that is exposed in the nanochannel. At least a portion of first electrode is movable relative to the second electrode to decrease a size of the electrode gap.

Multilayer fluidic devices and methods for their fabrication

A fluidic device including an inorganic solid support attached to an organic solid support by a bonding layer, wherein the inorganic solid support has a rigid structure and wherein the bonding layer includes a material that absorbs radiation at a wavelength that is transmitted by the inorganic solid support or the organic solid support; and a channel formed by the inorganic solid support and the organic solid support, wherein the bonding layer that attaches the inorganic solid support to the organic solid support provides a seal against liquid flow. Methods for making fluidic devices, such as this, are also provided.

Manufacturing method of micro channel structure

A manufacturing method of micro channel structure is disclosed and includes steps of: providing a substrate; depositing and etching to form a first insulation layer; depositing and etching to form a supporting layer; depositing and etching to form a valve layer; depositing and etching to form a second insulation layer; depositing and etching to form a vibration layer, a lower electrode layer and a piezoelectric actuating layer; providing a photoresist layer and depositing and etching to form a plurality of bonding pads; depositing and etching to from a mask layer; etching to form a first chamber; and etching to form a second chamber.

Microfabricated gas flow structure

A microfabricated gas flow structure includes an array of vertical gas flow channels in a side-by-side parallel flow arrangement. Adjacent gas flow channels are separated by a thin wall having a thickness which can be an order of magnitude or more less than the channel width, offering exceptionally high area efficiency for the array. Channel walls can be formed from a dielectric material to provide the walls with sufficient integrity at nanoscale thicknesses and to provide thermal insulative properties in the lateral direction, thereby controlling power losses when the gas flow structure is employed as a Knudsen pump. The gas flow structure can be microfabricated as a monolithic structure from an SOI wafer, with the gas flow channels formed in the device layer and the heat sink formed from the handle layer.

MICROFLUIDIC CHANNELS IN A SUBSTRATE WITH A SURFACE COVERED BY A LAYER STACK

Structures for a microfluidic channel and methods of forming a structure for a microfluidic channel. The structure comprises a semiconductor substrate including a trench and a layer stack on the semiconductor substrate. The layer stack includes a first layer, a second layer between the first layer and the semiconductor substrate, and an opening penetrating through the first layer and the second layer to the trench. The structure further comprises a third layer inside the opening in the layer stack. The third layer, which comprises a semiconductor material, obstructs the opening to define a cavity inside the trench.

Nanochannel arrays and their preparation and use for high throughput macromolecular analysis

Nanochannel arrays that enable high-throughput macromolecular analysis are disclosed. Also disclosed are methods of preparing nanochannel arrays and nanofluidic chips. Methods of analyzing macromolecules, such as entire strands of genomic DNA, are also disclosed, as well as systems for carrying out these methods.