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Metalorganic chemical vapor deposition of ferroelectric thin films
(United States Patent and Trademark Office, 1995-07-11)
A method to produce high quality doped and undoped lead zirconate titanate (PZT) thin films by metalorganic chemical vapor deposition is disclosed. The PZT thin films with the perovskite structure were deposited on sapphire ...
Bridge-buck converter with self-driven synchronous rectifiers
(United States Patent and Trademark Office, 2005-02-22)
A non-isolated bridge-buck DC—DC converter has self-driven synchronous rectifiers Q5 Q6 in the buck circuits 28 30. Gate electrodes of the synchronous rectifiers Q5 Q6 are connected to midpoints 24A 24B of the bridge ...
Methods for improved single photon emission computed tomography using exact and stable region of interest reconstructions
(United States Patent and Trademark Office, 2015-02-10)
The present invention provides systems, methods, and devices for improved computed tomography (CT) and, more specifically, to methods for improved single photon computed tomography (SPECT) using exact and stable region of ...
Hydrogen-selective silica-based membrane
(United States Patent and Trademark Office, 2005-02-15)
A hydrogen permselective membrane, a method of forming a permselective membrane and an apparatus comprising a permselective membrane, a porous substrate and an optional intermediate layer are described. Using chemical vapor ...
Asymmetrical interleaving strategy for multi-channel power converters
(United States Patent and Trademark Office, 2010-06-29)
In a power converter having m=two or more channels of power factor correction (PFC) circuits connected in parallel and an electromagnetic interference (EMI) filter connected in series therewith, phase shifts in switching ...
Mono- and Di(functionally-substituted phenylene) semi-rigid crowns and processes for making
(United States Patent and Trademark Office, 1992-08-25)
Bis(carboalkoxy-substituted m-phenylene)-32-crown-10 compounds, useful as polymerizable monomers, can be formed in one step by reacting a functionalized dihydroxy aromatic compound with a dihalopolyether. In the same ...
Chemical modification of shaped hydrogels in non-aqueous medium
(United States Patent and Trademark Office, 1996-06-25)
A method is described for the chemical modification of pre-shaped hydrogels in non-aqueous medium. The conditions permit the reaction of highly expanded, porous hydrogel particles, such as spherical beads, using pseudo ...
Transgenic non-human mammals producing fibrinogen in their milk
(United States Patent and Trademark Office, 2006-01-10)
A transgenic, non-human mammalian animal is capable of expressing a heterologous gene for human or other recombinant physiologically functional fibrinogen holoprotein or individual subunit chain polypeptides thereof or a ...
Interior tomography and instant tomography by reconstruction from truncated limited-angle projection data
(United States Patent and Trademark Office, 2010-04-13)
A system and method for tomographic image reconstruction using truncated limited-angle projection data that allows exact interior reconstruction (interior tomography) of a region of interest (ROI) based on the linear ...
System, device, and method for detecting perturbations via a fiber optic sensor
(United States Patent and Trademark Office, 2007-03-13)
Certain exemplary embodiments comprise a spatially distributed multimode optical fiber; a photodetector configured to detect optical signals provided from said fiber; a wireless digital module coupled to said photodetector ...