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Qiang Zhao

Qiang Zhao, Natick, MA US

Patent application numberDescriptionPublished
20080257380PROCESS OF CLEANING A SUBSTRATE FOR MICROELECTRONIC APPLICATIONS INCLUDING DIRECTING MECHANICAL ENERGY THROUGH A FLUID BATH AND APPARATUS OF SAME - An apparatus of cleaning a workpiece for microelectronic applications can include fixture to help position the workpiece. In one aspect the apparatus can include a tank and a transducer. In another aspect the apparatus can include a nozzle. The fixture, the tank, the nozzle, or any combination thereof can include an electrostatic dissipative material having a volume resistivity R10-23-2008
20090013907Treatment of Fly Ash For Use in Concrete - A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based upon foam index testing. The fly ash is mixed with an activator solution sufficient to initiate a geopolymerization reaction and for a geopolymerized fly ash. The geopolymerized fly ash is granulated. The geopolymerized fly ash is considered usable fly ash for concrete according to foam index testing. The geopolymerized fly ash may have a foam index less than 35% of the foam index of the untreated fly ash, and in some cases less than 10% of the foam index of the untreated fly ash. The activator solution may contain an alkali metal hydroxide, carbonate, silicate, aluminate, or mixtures thereof.01-15-2009
20100035747PARTIALLY STABILIZED ZIRCONIA MATERIALS - A ceramic material formed from a mixture including between about 50 wt % and about 85 wt % of a first zirconia-based material comprising between about 2 mol % and about 6 mol % yttria and between about 5 wt % and about 50 wt % of a second zirconia-based material comprising not greater than about 1 mol % yttria. The mixture can further include between about 1 wt % and about 10 wt % of an alumina material.02-11-2010
20100255289Aluminosilicate-Based Oxide Composite Coating and Bond Coat for Silicon-Based Ceramic Substrates - An article is disclosed in one embodiment of the invention as including a silicon-based ceramic substrate and a top coat. A bond coat is provided between the silicon-based ceramic substrate and the top coat. The bond coat is derived from a mixture containing preceramic polymer precursors, such as polycarbosilanes, polycarbosilazanes, or other silicocarbon polymers and pyrolyzed preceramic polymer precursors. A filler material may also be included in the mixture to modify the coefficient of thermal expansion (CTE) of the bond coat to more closely match the CTE of the silicon-based ceramic substrate, top coat, or both.10-07-2010
20120216715TREATMENT OF FLY ASH FOR USE IN CONCRETE - A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based upon foam index testing. The fly ash is mixed with a quantity of spray dryer ash (SDA) and water to initiate a geopolymerization reaction and form a geopolymerized fly ash. The geopolymerized fly ash is granulated. The geopolymerized fly ash is considered usable fly ash for concrete according to foam index testing. The geopolymerized fly ash may have a foam index less than 40%, and in some cases less than 20%, of the foam index of the untreated fly ash. An optional alkaline activator may be mixed with the fly ash and SDA to facilitate the geopolymerization reaction. The alkaline activator may contain an alkali metal hydroxide, carbonate, silicate, aluminate, or mixtures thereof.08-30-2012
20120216716TREATMENT OF FLY ASH FOR USE IN CONCRETE - A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based upon foam index testing. The fly ash is mixed with an activator solution sufficient to initiate a geopolymerization reaction and for a geopolymerized fly ash. The geopolymerized fly ash is granulated. The geopolymerized fly ash is considered usable fly ash for concrete according to foam index testing. The geopolymerized fly ash may have a foam index less than 35% of the foam index of the untreated fly ash, and in some cases less than 10% of the foam index of the untreated fly ash. The activator solution may contain an alkali metal hydroxide, carbonate, silicate, aluminate, or mixtures thereof.08-30-2012

Patent applications by Qiang Zhao, Natick, MA US

Qiang Zhao, Taizhou CN

Patent application numberDescriptionPublished
20100127463SELF-LOCKING KEYLESS DRILL CHUCK - This invention provides a self-locking keyless drill chuck comprising a drill body, three clamping jaws, a nut, a front sleeve and a rear sleeve. A thread connection is adopted between the clamping jaws and the nut, wherein the rear sleeve is rotatably installed outside the drill body, the inner side of the front sleeve is provided with a ring gear at the rear part of the nut, a ring which cannot rotate relative to the drill body is arranged outside the drill body, the ring is provided with a member which is with the gear and takes part in self-locking, the rear sleeve is provided with or connected with an inner sleeve rotated with the rear sleeve, the inner sleeve is provided with a structure acting on the member taking part in self-locking. This invention has the advantages of more conveniently assembling and achieving self-locking of the drill chuck through operating the rear sleeve. The drill bit clamped by the clamping jaw cannot be easily loosened and slipped even under the impact of an impulsive load.05-27-2010

Qiang Zhao, Shenzhen CN

Patent application numberDescriptionPublished
20080264767PUSH BUTTONS - An exemplary push button (10-30-2008
20090126429INPUT KEY AND METHOD OF MAKING THE SAME - An exemplary key includes a main body and a glazed layer. The main body has a contact receiving surface. The glazed layer is formed on at least one part of the contact receiving surface of the main body. The main body is made of ceramic materials. A method of making the present key is also provided.05-21-2009

Qiang Zhao, Tianjin CN

Patent application numberDescriptionPublished
20090036566BIODEGRADABLE COMPOSITE, PRODUCT MADE THEREFROM, AND METHOD OF MANUFACTURE THEREOF - Biodegradable composites and products, and methods of their manufacture are presented. The composites typically comprise 10 wt % to 80 wt % of a lignocellulosic material derived from an agricultural residue or obtained from a natural source, 20 wt % to 80 wt % of a polymer binder, 5 wt % to 20 wt % of a compatibilizer, and an effective amount of a processing aid. One method of manufacture of a product is by injection molding.02-05-2009

Qiang Zhao, Dong Guan CN

Patent application numberDescriptionPublished
20090015968Voice coil motor and disk drive unit with the same - A voice coil motor for a disk drive includes a permanent magnet, a voice coil adapted to move in an arc proximate to the permanent magnet, a top plate positioned above the voice coil, and a bottom plate positioned below the voice coil. The permanent magnet has two halves that are magnetized in opposite direction. The two halves of the magnet are split into a right half magnet portion and a left half magnet portion. The right half magnet portion and the left half magnet portion are attached to the top plate and the bottom plate respectively at opposite sides of the voice coil motor. The invention also discloses a disk drive unit with such VCM.01-15-2009

Qiang Zhao, Nanjing CN

Patent application numberDescriptionPublished
20120251261CARGO MANAGEMENT SYSTEM FOR VEHICLE - A cargo management system for a vehicle having a cargo area such as a pickup bed is disclosed. The system includes a rail attachable to the interior surface of the cargo box inner panel, at least one reinforcement plate positionable against the outer surface of the inner panel, and a plurality of fasteners for holding the rail to the inner panel backed by the reinforcement plate. At least one cleat is fitted to the rail. The cleat can be moved and selectively positioned on the rail. The rail has a rail portion and a body portion. The body portion is positioned through a slot formed in the bedliner. The body portion of the rail includes a base and a pair of opposed side walls connecting the base with the rail portion. The body portion of the rail may include one or more interior walls between the base wall of the body portion and the rail portion. Each reinforcement plate has apertures to accommodate multiple mechanical fasteners, thus eliminating the multiple reinforcement plates of the known technology. Each reinforcement plate includes a plurality of reinforcement segments and reinforcement segment bridges. Each reinforcement segment is attached to an adjacent reinforcement segment by a reinforcement segment bridge.10-04-2012