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82results about How to "Delay deployment" patented technology

Modular endovascular graft

InactiveUS20050228484A1Ease of deploymentLow profile deliveryStentsBlood vesselsThree vesselsMultiple methods
A modular endovascular graft wherein the graft body sections may be secured to each other by a variety of methods, including attachment elements having inflatable circumferential channels that interlock with other inflatable channels, recessed pockets or the like. Embodiments may have inflatable cuffs for sealing against an inside surface of a patient's fluid flow lumen, such as a blood vessel. Embodiments may also include expandable stents secured to and extending from ends of the various graft body sections for mechanically securing the graft, or sections thereof, to the patient's fluid vessels.
Owner:TRIVASCULAR2

Novel photonic waveguide structures for chip-scale photonic integrated circuits

InactiveUS20050002628A1Simplifies refractive index requirementLow costMaterial nanotechnologyOptical waveguide light guideOptical pickupRefractive index
The present invention discloses a concept of natural index contrast (NIC) for producing photonic waveguides and methods of fabrication thereof. Such waveguide forms the basis of a class of chip-scale micro- and nano-photonic integrated circuits (PICs). The NIC method utilizes the built-in refractive index difference between two layers of dielectric thin films of two different materials, one laid on top of another. This new class of waveguides simplifies the PIC fabrication process significantly. Based on the NIC based waveguides, PICs can be fabricated for a number of photonic applications such as arrayed waveguide grating (AWG), reflective arrayed waveguide grating (RAWG), interleaver, interferometer, and optical sensor. Additionally, several other PICs can also be fabricated via tiers of integration, such as triple-phase integration. Examples of such devices include optical amplifier, wavelength router, sensor, optical modulator, transmitter, receiver, transponder, fully built dense wavelength division multiplexer and demultiplxer, optical power splitter, multicahnnel tunable optical attenuator, and multicahnnel tunable optical add-drop multiplexer. Unlike hybrid integration, triple-phase integration monolithically integrates multiple optical functionalities on a single chip.
Owner:APPLIED RES & PHOTONICS
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