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123results about How to "Reduce the amount of metal" patented technology

Flexible capacitive sensor fabricated by employing silver nanowire flexible electrode and fabrication method of flexible capacitive sensor

The invention relates to a flexible capacitive sensor fabricated by employing a silver nanowire flexible electrode. The flexible capacitive sensor comprises an upper-layer flexible electrode plate, alower-layer flexible electrode plate and an intermediate flexible dielectric layer, wherein each flexible electrode comprises a flexible substrate, a silver nanowire electrode thin film layer, and thesilver nanowire electrode thin film layer is arranged in the flexible substrate. A fabrication method of the electrode employs a transfer printing method, the silver nanowire electrode thin film layer is fabricated in an electrode template, a flexible polymer is injected for curing, so that the silver nanowire conductive thin film layer is transferred to the flexible substrate. The flexible dielectric layer is divided into two types comprising a thin film structure and a porous structure, the thin film structure is fabricated by uniformly coating a flexible polymer prepolymer on a silicon wafer to form a thin layer, the porous structure is fabricated by a template method, the flexible polymer prepolymer is uniformly mixed with salt, a film formation structure is fabricated and cured, andthe porous dielectric layer structure is obtained after salt removal. The flexible capacitive sensor is simple in fabrication method and has favorable signal response.
Owner:BEIHANG UNIV

Auto-Injector

The invention relates to an auto-injector (1) for administering a dose of a liquid medicament (M), comprising:
    • an elongate housing (2) arranged to contain a syringe (3) with a hollow needle (4) and a stopper (6) for sealing the syringe (3) and displacing the medicament (M), the housing (2) having a distal end (D) and a proximal end (P) with an orifice intended to be applied against an injection site, wherein the syringe (3) is slidably arranged with respect to the housing (2),
    • spring means (8) capable of, upon activation:
      • pushing the needle (4) from a covered position inside the housing (2) into an advanced position through the orifice and past the proximal end (P),
      • operating the syringe (3) to supply the dose of medicament (M), and
      • retracting the syringe (3) with the needle (4) into the covered position after delivering the medicament (M),
    • activating means (20) arranged to lock the spring means (8) in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring means (8) for injection. The spring means (8) is a single compression spring (8) arranged to be grounded at a distal end (8.1) in the housing (2) for advancing the needle (4) and for injecting the dose of medicament (M) via a plunger (9) and wherein the compression spring (8) is arranged to have its ground in the housing (2) switched to its proximal end (8.2) for retracting the syringe (3).
Owner:SANOFI AVENTIS DEUT GMBH

Auto-injector

The invention refers to an auto-injector for administering a medicament (M), comprising of a chassis, a syringe with a hollow needle and a stopper; a drive spring capable of, upon activation: advancing the needle (3), injecting the medicament (M), and retracting the syringe with the needle after delivering the medicament (M); and; activating means arranged to lock and release the drive spring, wherein the drive spring is a compression spring arranged to be grounded at a distal end in the chassis for advancing the needle and for injecting the dose of medicament (M) via a plunger and wherein the drive spring is arranged to have its ground in the chassis switched to its proximal end for retracting the syringe. A refraction sleeve is axially movable arranged around the syringe, wherein the retraction sleeve is fixable in a maximum proximal position for providing ground at the distal end of the drive spring, wherein the retraction sleeve is arranged to take the syringe with it when released and translated in distal direction (D), wherein the compression spring is wrapped over the retraction sleeve with its distal end bearing against a thrust face on the retraction sleeve and with its proximal end bearing against a thrust collar arranged to be coupled to the plunger for joint axial translation for advancing the needle and for injecting the dose of medicament (M) and to decouple from the plunger for retraction.
Owner:SANOFI AVENTIS DEUTSCHLAND GMBH
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