Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems

A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive index, and a plurality of elongated elements azimuthally and periodically spaced apart, and disposed between the first layer and the second layer. The plurality of elongated elements interact with electromagnetic waves of radiation to transmit transverse electric polarization of electromagnetic waves of radiation. One aspect of the invention is, for example, to use such polarizer device in a lithographic projection apparatus to increase imaging resolution. Another aspect is to provide a device manufacturing method including polarizing a beam of radiation in a transverse electric polarization.

Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems

A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive index, and a plurality of elongated elements azimuthally and periodically spaced apart, and disposed between the first layer and the second layer. The plurality of elongated elements interact with electromagnetic waves of radiation to transmit transverse electric polarization of electromagnetic waves of radiation. One aspect of the invention is, for example, to use such polarizer device in a lithographic projection apparatus to increase imaging resolution. Another aspect is to provide a device manufacturing method including polarizing a beam of radiation in a transverse electric polarization.

Bleed housing

A gas turbine engine compressor has a number of shroud rings, at least a bleed one of which defines a number of bleed ports. A structural hub is downstream of the shroud rings and secured relative to the shroud rings. A structural hub case extends from an aft joint with the structural hub to a fore joint with a joined one of the shroud rings and has a number of valve ports. At least a portion of the structural case extends structurally between the fore and aft joints. A valve element is shiftable between first and second conditions for respectively blocking and not blocking communication through the valve ports.

Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems

A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive index, and a plurality of elongated elements azimuthally and periodically spaced apart, and disposed between the first layer and the second layer. The plurality of elongated elements interact with electromagnetic waves of radiation to transmit transverse electric polarization of electromagnetic waves of radiation. One aspect of the invention is, for example, to use such polarizer device in a lithographic projection apparatus to increase imaging resolution. Another aspect is to provide a device manufacturing method including polarizing a beam of radiation in a transverse electric polarization.

Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems

A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive index, and a plurality of elongated elements azimuthally and periodically spaced apart, and disposed between the first layer and the second layer. The plurality of elongated elements interact with electromagnetic waves of radiation to transmit transverse electric polarization of electromagnetic waves of radiation. One aspect of the invention is, for example, to use such polarizer device in a lithographic projection apparatus to increase imaging resolution. Another aspect is to provide a device manufacturing method including polarizing a beam of radiation in a transverse electric polarization.

Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems

A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive index, and a plurality of elongated elements azimuthally and periodically spaced apart, and disposed between the first layer and the second layer. The plurality of elongated elements interact with electromagnetic waves of radiation to transmit transverse electric polarization of electromagnetic waves of radiation. One aspect of the invention is, for example, to use such polarizer device in a lithographic projection apparatus to increase imaging resolution. Another aspect is to provide a device manufacturing method including polarizing a beam of radiation in a transverse electric polarization.

Use of ceramics in dental and orthodontic applications

The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications.

Extractor electrode for electron source

Extractors and extractor systems minimize the generation of secondary electrons which interact with and degrade the primary electron beam. This can improve the performance of an electron beam system, such as a scanning electron microscope. The extractor may include a frustoconical aperture that widens as distance from the source of the electron beam increases. The entrance into the frustoconical aperture also can include a curved edge.

Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems

A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive index, and a plurality of elongated elements azimuthally and periodically spaced apart, and disposed between the first layer and the second layer. The plurality of elongated elements interact with electromagnetic waves of radiation to transmit transverse electric polarization of electromagnetic waves of radiation. One aspect of the invention is, for example, to use such polarizer device in a lithographic projection apparatus to increase imaging resolution. Another aspect is to provide a device manufacturing method including polarizing a beam of radiation in a transverse electric polarization.

Perfluoropolyether liquid pellicle and methods of cleaning masks using perfluoropolyether liquid

A patterning device, for example a mask, for use in a photolithographic apparatus includes a blank layer, a layer of patterned opaque material on a surface of the blank layer and a pellicle of perfluoropolyether (PFPE) liquid that covers the surface. A method of manufacturing a patterning device includes providing a patterning device having a blank layer and a patterned layer of opaque material on a surface of the blank layer, applying PFPE liquid to the surface that covers the surface to form a PFPE liquid layer, and removing at least a portion of the PFPE liquid layer. A method of cleaning a patterning device for use in photolithographic projection apparatus, the patterning device including a blank layer and a patterned layer of opaque material on a surface of the blank layer, the method including applying PFPE liquid to the surface of the blank layer that covers the surface to form a PFPE liquid layer and removing at least a portion of the PFPE liquid layer.

Perfluoropolyether liquid pellicle and methods of cleaning masks using perfluoropolyether liquid

A patterning device, for example a mask, for use in a photolithographic apparatus includes a blank layer, a layer of patterned opaque material on a surface of the blank layer and a pellicle of perfluoropolyether (PFPE) liquid that covers the surface. A method of manufacturing a patterning device includes providing a patterning device having a blank layer and a patterned layer of opaque material on a surface of the blank layer, applying PFPE liquid to the surface that covers the surface to form a PFPE liquid layer, and removing at least a portion of the PFPE liquid layer. A method of cleaning a patterning device for use in photolithographic projection apparatus, the patterning device including a blank layer and a patterned layer of opaque material on a surface of the blank layer, the method including applying PFPE liquid to the surface of the blank layer that covers the surface to form a PFPE liquid layer and removing at least a portion of the PFPE liquid layer.

Hardenable dental article and method of manufacturing the same

Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.

Embedded etch stop for phase shift masks and planar phase shift masks to reduce topography induced and wave guide effects

Attenuating phase shift masks and alternating phase shift masks provide increased resolution of the apparatus by introducing a phase shift in the radiation transmitted between adjacent features of the pattern on the mask. A phase shift mask is provided with a layer of inorganic material that is etchable. The inorganic material layer is formed on a mask blank having a glass or quartz layer and an etch stop layer. The etch stop layer provides uniform etch depth of the pattern in the inorganic material layer as the etch stop layer is formed of a material that is not etched by the etching process. The phase shift mask may be provided with a layer of attenuating material instead of the resinous inorganic polymer layer. The features of the pattern of the phase shift mask may also be filled with an optically transparent or translucent material or with an opaque material having an index of refraction and a dielectric constant selected to reduce the boundary effect at side walls of features of the ...

Dental crown forms and methods

Dental crown forms and methods of using them are disclosed. The dental crown forms may include one or more of the following features: a handle attached to the dental crown form at a location removed from the base of the dental crown form; a vented handle through which excess amounts of hardenable dental material can pass during placement of the crown form; and one or more lines of weakness that may be separated to remove a dental crown form from hardenable dental material after placement of the filled crown form. The dental crown forms may also be located in packages with hardenable dental material located within the dental crown forms as packaged.

Shim lock/pin anti-rotation bumper design

The present invention relates to a bumper system for use with a compressor variable vane system. The bumper system broadly comprises a synchronizing ring, a bumper, a shim for defining a gap between a bumper pad and the bumper, a pin for preventing rotation of the bumper relative to the synchronizing ring, and a device for fully trapping the shim. In a first embodiment, the device for fully trapping the shim comprises a sleeve passing through the synchronizing ring. In a second embodiment, the device for fully trapping the shim comprises a pin which passes through the synchronizing body. In a third embodiment, the device for fully trapping the shim comprises a fastener with a shoulder.

Use of ceramics in dental and orthodontic applications

The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications.

DENTAL MILL BLANKS

A dental mill blank comprising a resin, and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may have superior cuttability and hardness.

KNEE GONIOMETER TO MEASURE KNEE EXTENSION DIFFERENCE AND EXTENSOR LENGTH

A device and method for measuring the amount of knee extension loss, hyperextension, or extensor length associated with arthritis, trauma, surgery or other medical conditions. This device and method includes measuring the difference in heel heights of a patient while patient is lying prone on a table with their legs, at the level of their knee caps, off the table. This device and method also measures extensor length in a patient's knee joint, by assessing heel height difference while a patient is lying prone on a table with a prone knee bend. This device and its methods provide accurate distance measurements that correlate to knee straightness and flexibility; these distinguishing metrics are unattainable by a standard “disc” goniometer. In addition, this device permits convenient measuring of a knee's mobility for two unique perspectives, namely in prone with legs straight or with a knee bent. 1. A device , comprising:an elongated ruler member having at one end a concave fossa to receive a heel and calibrated indicia disposed on the elongated ruler member; andan elongated movable member moveably coupled to the elongated ruler member;wherein the elongated movable member provides a reference on the indicia of the elongated ruler member to measure a heel height difference of a patient.2. The device of claim 1 , wherein the elongated movable member and the elongated ruler member are made of a rigid or a semi-rigid material.3. The device of claim 1 , wherein the elongated movable member at location proximate to the end of the movable member has a flange to engage the elongated ruler member in a perpendicular manner.4. The device of claim 3 , wherein the flange has a width equal to the width of the elongated ruler member.5. The device of claim 1 , wherein the elongated ruler member has an abutment with a perpendicular planar surface on the topside of the abutment creating a shelf claim 1 , wherein the elongated movable member rests on the shelf indicating a measurement ...

Fuel additive system for a diesel fuel engine

A fuel additive system includes a fuel supply having an intake manifold, a fuel tank, a fuel supply line, and a fuel delivery system. A fuel additive supply is fluidly connected to the fuel supply for adding fuel additive to fuel from the fuel supply. The fuel additive supply includes a fuel additive tank and a fuel additive supply line connecting the fuel additive tank to the fuel supply.

Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems

A radial transverse electric polarizer device includes a substrate material having a first refractive index and a plurality of elongated azimuthally oriented elements coupled to the substrate material, the plurality of elongated elements having a second refractive index. The plurality of elements are periodically spaced apart to form a plurality of gaps such that the radial transverse electric polarizer device interacts with an electromagnetic radiation including first and second polarizations to reflect substantially all of the radiation of the first polarization and transmit substantially all of the radiation of the second polarization. The plurality of elongated elements are coated with this thin layer of absorbing material which absorbs radiation at a wavelength of the electromagnetic radiation. The polarizer device may be used, for example, in a lithographic projection apparatus to increase imaging resolution.

Dental mill blanks

A dental mill blank comprising a resin and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may have superior cuttability and hardness.

Hardenable dental article and method of manufacturing the same

Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.

Systems and methods of creating multiple electron beams

An electron-beam device includes upper-column electron optics and lower-column electron optics. The upper-column electron optics include an aperture array to divide an electron beam into a plurality of electron beamlets. The upper-column electron optics also include a lens array with a plurality of lenses to adjust the focus of the plurality of electron beamlets. Respective lenses of the plurality of lenses are to adjust the focus of respective electron beamlets of the plurality of electron beamlets. The upper-column electron optics further include a first global lens to adjust the focus of the plurality of electron beamlets in a manner opposite to the lens array.

Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems

A radial transverse electric polarizer device includes a substrate material having a first refractive index and a plurality of elongated azimuthally oriented elements coupled to the substrate material, the plurality of elongated elements having a second refractive index. The plurality of elements are periodically spaced apart to form a plurality of gaps such that the radial transverse electric polarizer device interacts with an electromagnetic radiation including first and second polarizations to reflect substantially all of the radiation of the first polarization and transmit substantially all of the radiation of the second polarization. The plurality of elongated elements are coated with this thin layer of absorbing material which absorbs radiation at a wavelength of the electromagnetic radiation. The polarizer device may be used, for example, in a lithographic projection apparatus to increase imaging resolution.

Use of ceramics in dental and orthodontic applications

The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications.

Embedded etch stop for phase shift masks and planar phase shift masks to reduce topography induced and wave guide effects

Attenuating phase shift masks and alternating phase shift masks provide increased resolution of the apparatus by introducing a phase shift in the radiation transmitted between adjacent features of the pattern on the mask. A phase shift mask is provided with a layer of inorganic material that is etchable. The inorganic material layer is formed on a mask blank having a glass or quartz layer and an etch stop layer. The etch stop layer provides uniform etch depth of the pattern in the inorganic material layer as the etch stop layer is formed of a material that is not etched by the etching process. The phase shift mask may be provided with a layer of attenuating material instead of the resinous inorganic polymer layer. The features of the pattern of the phase shift mask may also be filled with an optically transparent or translucent material or with an opaque material having an index of refraction and a dielectric constant selected to reduce the boundary effect at side walls of features of the ...

Dental mill blanks

A dental mill blank comprising a resin and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may have superior cuttability and hardness.

FUEL ADDITIVE SYSTEM FOR A DIESEL FUEL ENGINE

A fuel additive system includes a fuel supply having an intake manifold, a fuel tank, a fuel supply line, and a fuel delivery system. A fuel additive supply is fluidly connected to the fuel supply for adding fuel additive to fuel from the fuel supply. The fuel additive supply includes a fuel additive tank and a fuel additive supply line connecting the fuel additive tank to the fuel supply. 1. A fuel additive system , comprising:a fuel supply including an intake manifold, a fuel tank, a fuel supply line, and a fuel delivery system; anda fuel additive supply fluidly connected to the fuel supply for adding fuel additive to fuel from the fuel supply, the fuel additive supply includes a fuel additive tank and a fuel additive supply line connecting the fuel additive tank to the fuel supply.2. The fuel additive system according to claim 1 , wherein the fuel additive tank includes a filling port that may be selectively opened and closed to allow for selective filling thereof.3. The fuel additive system according to claim 1 , wherein a coupling member connects the fuel additive supply line to the fuel supply line.4. The fuel additive system according to claim 3 , wherein the coupling member is a Y-shaped valve having a fuel first pipe and a fuel additive second pipe that meets the fuel first pipe at an acute angle claim 3 , the fuel first pipe and the fuel additive second pipe intersecting at a mixing chamber located in a central portion of the fuel first pipe between a first end and a second end of the coupling member.5. The fuel additive system according to claim 4 , wherein the coupling member utilizes the Venturi effect to pull a controlled amount of fuel additive into diesel fuel passing through the fuel supply line and the fuel first pipe so as to produce an additive fuel mixture.6. The fuel additive system according to claim 3 , wherein the coupling member utilizes the Venturi effect to pull a controlled amount of fuel additive into diesel fuel passing through the ...

DENTAL FILLERS, METHODS, COMPOSITIONS INCLUDING A CASEINATE

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided. 1. A dental composition comprising:a hardenable resin; anda caseinate, wherein the caseinate is at least partially dissolved, suspended, or dispersed in the hardenable resin.2. The dental composition of claim 1 , wherein the caseinate comprises a salt of calcium claim 1 , phosphate claim 1 , fluoride claim 1 , or combinations thereof.3. The dental composition of claim 1 , wherein the hardenable resin comprises acid functionality.4. The dental composition of claim 3 , wherein the acid functionality comprises carboxylic acid functionality claim 3 , phosphoric acid functionality claim 3 , phosphonic acid functionality claim 3 , sulfonic acid functionality claim 3 , or combinations thereof.5. The dental composition of claim 1 , further comprising an initiator system.6. The dental composition of claim 1 , further comprising an additional filler.7. The dental composition of claim 1 , wherein the hardenable resin comprises an ethylenically unsaturated compound.8. The dental composition of claim 7 , wherein the ethylenically unsaturated compound is selected from the group consisting of an ethylenically unsaturated compound with acid functionality claim 7 , an ethylenically unsaturated compound without acid functionality claim 7 , and combinations thereof.9. The dental composition of claim 1 , wherein the composition is selected from the group consisting of dental primers claim 1 , dental adhesives claim 1 , cavity liners claim 1 , cavity cleansing agents claim 1 , cements claim 1 , coatings claim 1 , varnishes claim 1 , orthodontic adhesives ...

Machined Aerodynamic Intercompressor Bleed Ports

An air bleed system for a jet engine is provided. The air bleed system is located in the low pressure compressor chamber and comprises a movable bleed valve and a stationary, annular bleed case having a forward section and an aft section and ligaments connecting the two sections and providing structural support to the bleed case. The ligaments are machined from the bleed case into an aerodynamic shape that maximizes the flow of air through the bleed ports. 1. An air bleed system for a jet engine having a low pressure compressor chamber , a low pressure rotor which generates swirling air that impinges on the air bleed system at an angle thereto , an engine core inlet , a fan duct , a combustion chamber and a longitudinal axis , the air bleed system comprising:a stationary, annular bleed case having a forward section and an aft section and ligaments connecting the two sections, the forward section, the aft section and the ligaments defining a series of bleed ports circumferentially disposed around the bleed case and through which air can be bled from the engine core inlet and into the fan duct; anda bleed valve operably connected to the bleed case to open and close the bleed ports;wherein the ligaments provide structural support for the bleed case and have an aerodynamic shape that maximizes the flow of air through the bleed ports.2. The air bleed system of in which each ligament has an arced top face on a fan duct facing side claim 1 , an arced bottom face on an engine core inlet facing side claim 1 , a first end face extending from the top face to the bottom face and a second end face opposite the first end face claim 1 , and in which the first and second end faces are angled to match the angle of the swirling air coming off the low pressure compressor.3. The air bleed system of in which the first and second end faces define planes that are substantially parallel to the flow of the swirling air coming off the low pressure compressor.4. The air bleed system of in ...

AERODYNAMIC INTERCOMPRESSOR BLEED PORTS

An air bleed system for a gas turbine engine includes an annular bleed case with a manifold therein. The annular bleed case has a forward section and an aft section and ligaments connecting the two sections. The forward section, the aft section and the ligaments define bleed ports. The manifold is disposed radially outward of the ligaments and communicates with the series of bleed ports. 1. An air bleed system for a gas turbine engine , comprising:an annular bleed case having a forward section, an aft section, ligaments connecting the forward section to the aft section, and bleed ports defined by the forward section, the aft section and the ligaments defining bleed ports; anda manifold disposed radially outward of the ligaments and communicating with the series of the bleed ports.2. The air bleed system of claim 1 , wherein the manifold extends circumferentially about a circumference of the bleed case.3. The air bleed system of claim 2 , wherein the manifold allows for circumferential flow between the bleed ports.4. The air bleed system of claim 2 , wherein the manifold is formed between the forward and aft sections of the bleed case and an outer radial surface of the ligaments.5. The air bleed system of claim 4 , further comprising a bleed valve mounted to the bleed case claim 4 , and wherein the manifold is additionally bounded by the bleed valve when the bleed valve is in a closed position6. An air bleed system for a gas turbine engine claim 4 , comprising:a compressor section; and a forward section;', 'an aft section;', 'ligaments connecting the forward and aft sections;', 'bleed ports are defined by the forward section, the aft section, and the ligaments, and wherein the bleed ports communicate with the inlet; and', 'a manifold formed within the case adjacent the outlet and communicating with the bleed ports., 'a bleed case having an inlet and an outlet, the inlet communicating with the compressor section; the bleed case comprising7. The gas turbine engine of ...

Four bar bracket

A bracket for use with a four bar linkage, has a head portion having a triangular shape, and a shank extending from a corner of the triangular head portion, the shank thickening depthwise and narrowing widthwise along its length.

Four bar drive mechanism for bleed system

An actuation system for a bleed valve includes first and second bell cranks connected by a connecting link. The first bell crank has a first arm that is coupled to a bleed valve and a second arm that is coupled to the connecting link. The connecting link has a first end coupled to the second arm of the first bell crank and a second end coupled to a first arm of the second bell crank. A second arm of the second bell crank is coupled to an actuating element. Input is communicated through the actuating element to move the bleed valve between open and closed positions via the first and second bell cranks.

BULB SEAL WITH METAL BACKED FASTENER

A seal for use with a duct has a body having a partially circumferential shape, a bulb extending from the body and extending circumferentially with the body, and a reinforcement strip disposed in the body. 1. A seal for use with a duct in a bleed duct assembly , said seal comprising:a body having a partially circumferential shape,a bulb extending from said body and extending circumferentially with said body,a reinforcement strip disposed in said body, anda shaft extending radially through said reinforcement strip.2. (canceled)3. The seal of further comprising:a fastener extending through said shaft for attaching said seal to a seal holder.4. The seal of wherein said fastener is a rivet.5. The seal of wherein said bulb has an opening for registration with said duct wherein pressure in said duct pressurizes said bulb.6. The seal of further comprising:a first seal holder in which said seal is disposed such that said seal is configured to engage a first surface to seal the duct.7. The seal of wherein said first surface comprises a portion extending radially outwardly from said duct.8. The seal of wherein said first surface comprises an outer portion of said duct.9. The seal of wherein said seal holder has a bottom surface and a countersunk opening therein for securing a first end of a fastener therein.10. The seal of wherein said seal holder has a top surface and a countersunk opening therein for securing a second end of a fastener therein.11. The seal of further comprising:an arm holding said first seal holder and a second seal holder.12. The seal of wherein a first seal of first seal holder engages a first surface and a second seal of said second seal holder engages a second surface.13. The seal of wherein said first surface comprises a portion extending radially outwardly from said duct.14. The seal of wherein said second surface comprises an outer portion of said duct.15. The seal of wherein said seal holder comprises a u-shape without any inwardly depending flanges ...

Spherical-link end damper system with near constant engagement

A link includes a link body with two ends, a ring bore with a ring bore axis and a bearing, a mount bore with a mount bore axis and a bearing. The link also has an end curvature at the end having the ring bore wherein the curvature axis is substantially perpendicular to the ring bore axis.

TWO-PIECE DUCT ASSEMBLY

A duct assembly for venting flow from an internal portion of a gas turbine engine, has a first piece having a first duct portion extending therethrough, the first piece configured to withstanding backbone loads of the engine, the first piece having a first portion of a duct passing therethrough, and a second piece, the second piece having a second portion of the duct passing therethrough, the second portion and the first portion aligning, the second piece constructed of a lighter material than the first piece. 1. A duct assembly for venting flow from an internal portion of a gas turbine engine , said duct assembly comprising:a first piece having a first duct portion extending therethrough, said first piece configured to withstanding backbone loads of said engine, said first piece having a first portion of a duct passing therethrough, anda second piece, said second piece having a second portion of said duct passing therethrough, said second portion and said first portion aligning, said second piece constructed of a lighter material than said first piece.2. The duct assembly of wherein said first piece is constructed of titanium.3. The duct assembly of wherein said second piece is constructed of aluminum.4. The duct assembly of wherein said aluminum is cast.5. The duct assembly of wherein said first piece has a plurality of first portions and said second piece has a plurality of second portions.6. The duct assembly of wherein said second portions are separated by ligaments that minimize losses flowing through said first portions and aligned second portions.7. The duct assembly of wherein said ligaments are have an airfoil shape.8. The duct assembly of wherein a seal is disposed between said first piece and said second piece.9. The duct assembly of wherein said seal is disposed in a groove in one of said first piece and said second piece.10. The duct assembly of further comprising a flange extending axially from one of said first piece and said second piece and a ...

REDUCED HEIGHT LIGAMENTS TO MINIMIZE NON-INTEGRAL VIBRATIONS IN ROTOR BLADES

A system for minimizing non-integral vibrations in rotor blades located in a compressor section of a gas turbine engine includes a casing having a plurality of bleed slots, at least one of the bleed slots being located in close proximity to a row of rotor blades, a plurality of structural ligaments, at least one of the structural ligaments extending between two adjacent ones of the bleed slots; and a channel for reducing the height of at least one of the structural ligaments so as to minimize the non-integral vibrations in the rotor blades in the row. 1. A system for minimizing non-integral vibrations in rotor blades , comprising:a casing having a plurality of bleed slots;at least one of said bleed slots being located in close proximity to a row of rotor blades;a plurality of structural ligaments;at least one of said structural ligaments extending between two adjacent ones of said bleed slots; andmeans for reducing the height of at least one of said structural ligaments so as to minimize said non-integral vibrations in said rotor blades in said row.2. The system of claim 1 , further comprising a plurality of valves for sealing said bleed slots and for preventing a flow of air through said bleed slots.3. The system of claim 2 , wherein said height reducing means comprises means for creating a gap between an end surface of said at least one of said structural ligaments and at least one of said valves.4. The system of claim 3 , wherein said means for creating said gap comprises a channel in said at least one structural ligament.5. The system of claim 4 , wherein said channel extends from a first end of said at least one structural ligament to a second end of said at least one structural ligament.6. The system of claim 5 , wherein said channel is formed by a curved surface of said at least one structural ligament.7. The system of claim 3 , wherein said gap creating means is present in each of said structural ligaments.8. The system of claim 1 , wherein said rotor blades ...

SPLIT RING VALVE

A valve includes a body with bleed ports and a ring. The ring surrounds the body and includes two adjacent ring segments. The ring is movable between an open position and a closed position, the latter of which prevents flow through the ports.

DENTAL FILLERS INCLUDING A PHOSPHORUS-CONTAINING SURFACE TREATMENT, AND COMPOSITIONS AND METHODS THEREOF

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. 2. The dental composition of claim 1 , wherein the dental filler is selected from the group consisting of porous particles claim 1 , porous agglomerates of particles claim 1 , and combinations thereof.3. The dental composition of claim 1 , wherein the dental filler comprises nanoparticles claim 1 , agglomerates of nanoparticles claim 1 , or combinations thereof.4. The dental composition of claim 1 , wherein the dental filler comprises a glass claim 1 , an amorphous material claim 1 , or a crystalline material.5. The dental composition of claim 1 , wherein the dental filler comprises a source of fluoride ions.6. The dental composition of claim 1 , wherein the dental filler comprises a fluoroaluminosilicate glass.7. The dental composition of claim 1 , wherein the dental composition further comprises a repeating unit that includes a polar or polarizable group.8. The dental composition of claim 7 , wherein the polar or polarizable group is derived from the formula:{'br': None, 'sub': 2', 'd, 'sup': '2', 'CH═CRG-(COOH)'}{'sup': '2', 'where R═H, methyl, ethyl, cyano, carboxy or carboxymethyl, d=1-5 and G is a bond or a hydrocarbyl radical linking group containing from 1-12 carbon atoms of valence d+1 and optionally substituted with and/or interrupted with a substituted or unsubstituted heteroatom.'}9. The dental composition of claim 7 , wherein the polar or polarizable group is derived from the formula:{'br': None, 'sub': 2', 'd, 'sup': 2', '3, 'CH═CR—CO-L-R—(OH)'}{'sup': 2', '3, 'where R═H, methyl, ethyl, cyano, carboxy or carboxyalkyl, L=O or NH, d=1-5 and Ris a hydrocarbyl radical of valence d+1 containing from 1-12 carbon atoms.'}10. The dental composition of claim 7 , wherein the polar or ...

DENTAL FILLERS, METHODS, AND COMPOSITIONS INCLUDING A PHOSPHATE SALT

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a phosphate salt. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a phosphate salt and a hardenable resin or a water-dispersible, polymeric film former are also provided. 2. The dental filler of claim 1 , where x=3.3. The dental filler of claim 1 , wherein M is selected from the group consisting of Group 2 metals claim 1 , Group 3 metals claim 1 , transition metals claim 1 , Lanthanides claim 1 , and combinations thereof.4. The dental filler of claim 1 , wherein M is selected from the group consisting of Mg claim 1 , Ca claim 1 , Sr claim 1 , Ba claim 1 , Zn claim 1 , Ag claim 1 , Zr claim 1 , Sn claim 1 , and combinations thereof.5. The dental filler of claim 4 , wherein M is Ca.6. The dental filler of wherein the treated surface is amorphous.7. The dental filler of wherein the treated surface is at least partially crystalline.8. The dental filler of claim 1 , wherein the dental filler is porous.9. The dental filler of claim 8 , wherein the porous dental filler is selected from the group consisting of porous particles claim 8 , porous agglomerates of particles claim 8 , and combinations thereof.10. The dental filler of claim 1 , wherein the dental filler comprises nanoparticles claim 1 , agglomerates of nanoparticles claim 1 , or combinations thereof.11. The dental filler of claim 1 , wherein the dental filler comprises metal oxides claim 1 , metal fluorides claim 1 , metal oxyfluorides claim 1 , or combinations thereof; wherein the metal is an element selected from the group consisting of Groups 2-5 elements claim 1 , Groups 12-15 elements claim 1 , Lanthanide elements claim 1 , and combinations thereof.1214-. (canceled)15. The dental filler of claim 1 , wherein the dental filler comprises a ...

DENTAL FILLERS INCLUDING A PHOSPHORUS-CONTAINING SURFACE TREATMENT, AND COMPOSITIONS AND METHODS THEREOF

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. 1. A dental composition comprising a dental filler and a hardenable resin , the dental filler comprising a treated surface , wherein the treated surface comprises phosphorus and a divalent cation selected from the group consisting of Mg , Ca , Sr , Ba , Zn , and combinations thereof , dissolving, dispersing, or suspending a phosphorus precursor and a precursor for the divalent cation in one or more liquids;', 'combining the one or more liquids with the dental filler;', 'removing at least a portion of the one or more liquids to provide the treated surface;, 'the dental filler obtained by a method comprising the steps ofand 'wherein the hardenable resin comprises acid functionality.', 'heating the dental filler,'}2. The dental composition of claim 1 , wherein the dental filler is selected from the group consisting of porous particles claim 1 , porous agglomerates of particles claim 1 , and combinations thereof.3. The dental composition of claim 1 , wherein the dental filler comprises nanoparticles claim 1 , agglomerates of nanoparticles claim 1 , or combinations thereof.4. The dental composition of claim 1 , wherein the dental filler comprises metal oxides claim 1 , metal fluorides claim 1 , metal oxyfluorides claim 1 , or combinations thereof.5. The dental composition of claim 4 , wherein the metal is selected from the group consisting of heavy metals claim 4 , non-heavy metals claim 4 , and combinations thereof.6. The dental composition of claim 1 , wherein the dental filler is an oxide claim 1 , a fluoride claim 1 , or an oxyfluoride of an element selected from the group consisting of Groups 2-5 elements claim 1 , Groups 12-15 elements claim 1 , Lanthanide elements claim 1 , and ...

DENTAL COMPOSITIONS WITH CALCIUM PHOSPHORUS RELEASING GLASS

The present application provides a glass composition comprising 10-50% by weight CaO, at least 15% and less than 50% by weight PO, less than 3% by weight AlO, less than 10% by weight LiO, NaO, and KO combined, and 0-60% by weight of SrO, MgO, BaO, ZnO, or combinations thereof; dental compositions comprising the glass composition, and methods of making and using such dental compositions. 1. A glass composition comprising 10-50% by weight CaO , at least 15% and less than 50% by weight PO , less than 3% by weight AlO , less than 10% by weight LiO , NaO , and KO combined , and 0-60% by weight of SrO , MgO , BaO , ZnO , or combinations thereof.2. The glass composition of claim 1 , wherein the glass is amorphous.3. The glass composition of claim 1 , wherein the glass is at least partially crystalline.4. The glass composition of claim 1 , wherein the glass is in a finely divided form of particles claim 1 , fibers claim 1 , or platelets.65. The glass composition of claim claim 1 , wherein the particles claim 1 , fibers claim 1 , or platelets are surface-treated.7. The glass composition of claim 6 , wherein the surface treatment comprises a silane.8. The glass composition of claim 1 , further comprising fluoride in an amount less than 25% by weight of the glass composition.9. The glass composition of claim 1 , further comprising BOin an amount less than 30% by weight of the glass composition.10. The glass composition of claim 1 , further comprising SiOin an amount less than 20% by weight of the glass composition.11. The glass composition of claim 10 , wherein the amount is less than 1% by weight of the glass composition.12. The glass composition of claim 1 , further comprising up to 40% by weight of a rare earth oxide.13. The glass composition of claim 1 , further comprising ZrOin an amount less than 15% by weight of the glass composition.14. A dental composition comprising the glass composition of .15. The dental composition of claim 14 , wherein the dental composition ...

ALIGNMENT TOOL FOR USE IN A GAS TURBINE ENGINE

An alignment tool for use in a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a clamp portion, a component engagement portion and an arm portion that extends between the clamp portion and the component engagement portion. The clamp portion establishes a fixed datum surface for positioning a component within the gas turbine engine. 1. An alignment tool for use in a gas turbine engine , comprising:a clamp portion;a component engagement portion; andan arm portion that extends between said clamp portion and said component engagement portion, wherein said clamp portion establishes a fixed datum surface for positioning a component within the gas turbine engine.2. The alignment tool as recited in claim 1 , wherein said clamp portion includes a pair of spaced apart clamp arms.3. The alignment tool as recited in claim 2 , comprising a backing plate between said pair of spaced part clamp arms.4. The alignment tool as recited in claim 3 , wherein said backing plate is moveably positioned between said pair of spaced apart clamp arms by a capture pin.5. The alignment tool as recited in claim 1 , wherein said component engagement portion includes an engagement claw.6. The alignment tool as recited in claim 5 , wherein said engagement claw includes a first claw arm and a second claw arm spaced from said first claw arm.7. The alignment tool as recited in claim 1 , comprising a fastener that extends through said component engagement portion and engages a trunion of said component.8. The alignment tool as recited in claim 1 , wherein said arm portion includes a slotted opening.9. The alignment tool as recited in claim 8 , comprising a pin that is received though said slotted opening to position said arm portion relative to a synchronizing ring.10. The alignment tool as recited in claim 1 , wherein said clamp portion is clamped to a casing of the gas turbine engine and the component engagement portion engages said component ...

Lithographic apparatus with a radial polarizer

Dental Fillers, Methods, Compositions Including a Caseinate

The present application provides dental compositions, and methods for using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former. A method for preparing a dental article is also provided.

Dental fillers including a phosphorus containing surface treatment, and compositions and methods thereof

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.

Dental fillers and compositions including phosphate salts

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a phosphate salt. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a phosphate salt and a hardenable resin or a water-dispersible, polymeric film former are also provided.

Dental fillers, methods, compositions including a caseinate

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided.

Dental compositions with calcium phosphorus releasing glass

The present application provides dental compositions, and methods of making and using dental compositions that include a calcium and phosphorus releasing glass. Such dental compositions can be useful for delivering ions to the oral environment.

Dental fillers including a phosphorus-containing surface treatment, and compositions and methods thereof

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.

Dental compositions with calcium phosphorus releasing glass

The present application provides a glass composition comprising 10-50% by weight CaO, at least 15% and less than 50% by weight P 2 O 5 , less than 3% by weight Al 2 O 3 , less than 10% by weight Li 2 O, Na 2 O, and K 2 O combined, and 0-60% by weight of SrO, MgO, BaO, ZnO, or combinations thereof; dental compositions comprising the glass composition, and methods of making and using such dental compositions.

Dental fillers, methods, compositions including a caseinate

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided.

Dental fillers and compositions including phosphate salts

The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a phosphate salt. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a phosphate salt and a hardenable resin or a water-dispersible, polymeric film former are also provided.

Remineralizing compositions and methods

The present application provides compositions comprising a divalent metal cation source or divalent metal cations dissolved in a substantially anhydrous liquid, and methods of making and using the compositions. Such compositions can be useful for remineralizing dental structures and/or providing other useful effects including an anticaries effect.

Use of ceramics in dental and orthodontic applications

The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications.

Method of manufacturing a hardenable dental article

Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.

Use of ceramics in dental and orthodontic applications

The present invention relates to an article comprising Al 2 O 3 and at least one of REO or Y 2 O 3 , wherein at least 80 percent by weight of the glass or glass-ceramic collectively comprise the Al 2 O 3 and the at least one of REO or Y 2 O 3 , based on the total weight of the glass or glass-ceramic.

Use of ceramics in dental and orthodontic applications

The present invention relates to an article comprising at least one of a glass or glass-ceramic comprising at least 35 percent by weight Al 2 O 3 , based on the total weight of the glass or glass-ceramic, and a first metal oxide other than Al 2 O 3 , wherein the Al 2 O 3 and the first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the glass or glass-ceramic.

Use of ceramics in dental and orthodontic applications

The present invention relates to an article comprising at least one of a glass or glass-ceramic comprising Al 2 O 3 and at least one of REO or Y 2 O 3 , wherein at least 60 percent by weight of the glass or glass-ceramic collectively comprise the Al 2 O 3 and the at least one of REO or Y 2 O 3 , and wherein the glass or glass-ceramic contains not more than 20 percent by weight SiO 2 and not more than 20 percent by weight B 2 O 3 , based on the total weight of the glass or glass-ceramic.

Use of ceramics in dental and orthodontic applications

The present invention relates to an article comprising at least one of a glass+ or glass-ceramic comprising at least 35 percent by weight Al 2 O 3 , based on the total weight of the glass or glass-ceramic, and a first metal oxide other than Al 2 O 3 , wherein the glass or glass-ceramic contains not more than 10 percent by weight collectively B 2 O 3 , GeO 2 , P 2 O 5 , SiO 2 , TeO 2 , and V 2 O 5 , based on the total weight of the glass or glass-ceramic.

Use of ceramics in dental and orthodontic applications

The present invention relates to an article comprising at least one of a glass or glass-ceramic comprising Al 2 O 3 and at least one of REO or Y 2 O 3 , wherein at least 60 percent by weight of the glass or glass-ceramic comprise the Al 2 O 3 and the at least one of REO or Y 2 O 3 , and wherein the glass or glass-ceramic contains not more than 40 percent by weight collectively SiO 2 , B 2 O 3 , and P 2 O 5 , based on the total weight of the glass or glass-ceramic.

Liquid Perfluoropolyether Masking Overcoat

Remineralizing compositions and methods

The present application provides compositions comprising a divalent metal cation source or divalent metal cations dissolved in a substantially anhydrous liquid, and methods of making and using the compositions. Such compositions can be useful for remineralizing dental structures and/or providing other useful effects including an anticaries effect.

Selectively sorbent article and method for use in dental applications

The present specification describes a cleanup article which selectively sorbs hydrophobic dental resins. The article is particularly useful in the removal of excess resin-containing materials from the mouth during dental procedures. The article preferable is of sufficient integral strength to prevent break-up of the article during use.

Embedded etch stop for phase shift masks and planar phase shift masks to reduce topography induced and wave guide effects

Attenuating phase shift masks and alternating phase shift masks provide increased resolution of the apparatus by introducing a phase shift in the radiation transmitted between adjacent features of the pattern on the mask. A phase shift mask is provided with a layer of inorganic material that is etchable. The inorganic material layer is formed on a mask blank having a glass or quartz layer and an etch stop layer. The etch stop layer provides uniform etch depth of the pattern in the inorganic material layer as the etch stop layer is formed of a material that is not etched by the etching process. The phase shift mask may be provided with a layer of attenuating material instead of the resinous inorganic polymer layer. The features of the pattern of the phase shift mask may also be filled with an optically transparent or translucent material or with an opaque material having an index of refraction and a dielectric constant selected to reduce the boundary effect at side walls of features of the pattern. A device for use in an integrated circuit, an integrated optical system, magnetic domain memories, liquid-crystal display panels, and thin-film magnetic heads may be manufactured by exposing a radiation sensitive material on a substrate to a projection beam of radiation patterned with a phase shift mask having an etch stop layer and/or a pattern filled with optically transparent or translucent material or with an opaque material.

Pattern writing method during X-ray mask fabrication

A pattern writing method for X-ray mask fabrication including forming a uniform membrane layer on an X-ray absorbing layer and forming an etch mask on the layer of X-ray absorbing material including the steps of providing a layer of material sensitive to radiation. The layer of material has internal stresses which are altered by exposure to the radiation. The material is exposed in associated areas (e.g. a spiral) such that the internal stresses within the layer of material and altered internal stresses in the associated areas are substantially offset to reduce distortion in the X-ray mask.

Dental mill blanks

A dental mill blank comprising a resin and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may hav e superior cuttability and hardness.

Hardenable dental article and method of manufacturing the same

Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.

Embedded etch stop for phase shift masks and planar phase shift masks to reduce topography induced and wave guide effects

Attenuating phase shift masks and alternating phase shift masks provide increased resolution of the apparatus by introducing a phase shift in the radiation transmitted between adjacent features of the pattern on the mask. A phase shift mask is provided with a layer of inorganic material that is etchable. The inorganic material layer is formed on a mask blank having a glass or quartz layer and an etch stop layer. The etch stop layer provides uniform etch depth of the pattern in the inorganic material layer as the etch stop layer is formed of a material that is not etched by the etching process. The phase shift mask may be provided with a layer of attenuating material instead of the resinous inorganic polymer layer. The features of the pattern of the phase shift mask may also be filled with an optically transparent or translucent material or with an opaque material having an index of refraction and a dielectric constant selected to reduce the boundary effect at side walls of features of the pattern. A device for use in an integrated circuit, an integrated optical system, magnetic domain memories, liquid-crystal display panels, and thin-film magnetic heads may be manufactured by exposing a radiation sensitive material on a substrate to a projection beam of radiation patterned with a phase shift mask having an etch stop layer and/or a pattern filled with optically transparent or translucent material or with an opaque material.

Use of ceramics in dental and orthodontic applications

The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications.

Hardenable dental article and method of manufacturing the same

Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.

Split ring valve

A valve includes a body with bleed ports and a ring. The ring surrounds the body and includes two adjacent ring segments. The ring is movable between an open position and a closed position, the latter of which prevents flow through the ports.

REMOVAL TOOL FOR DISC COVER

Shim lock/pin anti-rotation bumper design

A bumper system for use with a compressor variable vane system comprises a synchronizing ring 46, a bumper 32, a shim 38 for defining a gap between a bumper pad 47 and the bumper 32, a pin 36 for preventing rotation of the bumper 32 relative to the synchronizing ring 46, and a device for fully trapping the shim 38. In a first embodiment (Fig.2), the device for fully trapping the shim 38 comprises a sleeve 34 passing through the synchronizing ring 46. In a second embodiment (Fig. 5), the device for fully trapping the shim 38 comprises a pin 72 which passes through the synchronizing body 46. In a third embodiment (Fig. 6), the device for fully trapping the shim comprises a fastener 30 with a shoulder (82).

Use of ceramics in dental and orthodontic applications

The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications.

Dental compositions with calcium phosphorus releasing glass

Four bar drive mechanism for bleed system

Lithographic apparatus with a radial polarizer

Dental mill blanks

A dental mill blank comprising a resin and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may have superior cuttability and hardness.

Dental compositions with calcium phosphorus releasing glass

The present application provides dental compositions, and methods of making and using dental compositions that include a calcium and phosphorus releasing glass. Such dental compositions can be useful for delivering ions to the oral environment.

Dentalfüllstoffe und zusammensetzungen mit phosphatsalzen

Dentalfüllstoffe, verfahren, zusammensetzungen mit einem caseinat

Two-piece duct assembly

A duct assembly for venting flow from an internal portion of a gas turbine engine, has a first piece having a first duct portion extending therethrough, the first piece configured to withstanding backbone loads of the engine, the first piece having a first portion of a duct passing therethrough, and a second piece, the second piece having a second portion of the duct passing therethrough, the second portion and the first portion aligning, the second piece constructed of a lighter material than the first piece.

Spherical-link end damper system with near constant engagement

A link includes a link body with two ends, a ring bore with a ring bore axis and a bearing, a mount bore with a mount bore axis and a bearing. The link also has an end curvature at the end having the ring bore wherein the curvature axis is substantially perpendicular to the ring bore axis.

Spherical-link end damper system with near constant engagement

A link includes a link body with two ends, a ring bore with a ring bore axis and a bearing, a mount bore with a mount bore axis and a bearing. The link also has an end curvature at the end having the ring bore wherein the curvature axis is substantially perpendicular to the ring bore axis.

Dentale zusammensetzungen mit calziumphosphor- freisetzendem glas

Herstellungsverfahren eines härtbaren dentalartikels und verpackter härtbarer dentalartikel

Four bar bracket

A bracket for use with a four bar linkage, has a head portion having a triangular shape, and a shank extending from a corner of the triangular head portion, the shank thickening depthwise and narrowing widthwise along its length.

Systems and methods of creating multiple electron beams

An electron-beam device includes upper-column electron optics and lower-column electron optics. The upper-column electron optics include an aperture array to divide an electron beam into a plurality of electron beamlets. The upper-column electron optics also include a lens array with a plurality of lenses to adjust the focus of the plurality of electron beamlets. Respective lenses of the plurality of lenses are to adjust the focus of respective electron beamlets of the plurality of electron beamlets. The upper-column electron optics further include a first global lens to adjust the focus of the plurality of electron beamlets in a manner opposite to the lens array

Method for patterning a semiconductor wafer using a mask that has several regions with different scattering ability

Certified cells and method of using certified cells for fabricating a device

A method of using a cell library to create a device, includes projecting a series of masks, each mask of the series corresponding to a layer of each of one or more selected cells, onto a substrate according to a data layout of the device or combining a series of masks, each mask of the series corresponding to a layer of one or more of the selected cells, into a series of global masks, each of global masks of the series of global masks embodying a layer of the device according to a data layout of the device.

Verfahren zur Erzeugung eines Musters auf einem Halbleiterwafer mittels einer Maske die mehrere Bereiche mit verschiedenen Streuungseigenschaften aufweist

Method for manufacturing a semiconductor wafer using a mask that has several regions with different scattering ability

Verfahren zur Erzeugung eines Musters auf einem Halbleiterwafer mittels einer Maske die mehrere Bereiche mit verschiedenen Streuungseigenschaften aufweist

Systems and methods of creating multiple electron beams

Extractor electrode for electron source

Extractors and extractor systems minimize the generation of secondary electrons which interact with and degrade the primary electron beam. This can improve the performance of an electron beam system, such as a scanning electron microscope. The extractor may include a frustoconical aperture that widens as distance from the source of the electron beam increases. The entrance into the frustoconical aperture also can include a curved edge.

Four bar bracket

A bracket for use with a four bar linkage, has a head portion having a triangular shape, and a shank extending from a corner of the triangular head portion, the shank thickening depthwise and narrowing widthwise along its length.

Extractor electrode for electron source

Extractors and extractor systems minimize the generation of secondary electrons which interact with and degrade the primary electron beam. This can improve the performance of an electron beam system, such as a scanning electron microscope. The extractor may include a frustoconical aperture that widens as distance from the source of the electron beam increases. The entrance into the frustoconical aperture also can include a curved edge.

Datenverarbeitungssystem zur Verwaltung von Objekten

Fertigungsjustierung während Produktherstellung

Dental crown forms and methods

Dental crown forms and methods of using them are disclosed. The dental crown forms may include one or more of the following features: a handle attached to the dental crown form at a location removed from the base of the dental crown form; a vented handle through which excess amounts of hardenable dental material can pass during placement of the crown form; and one or more lines of weakness that may be separated to remove a dental crown form from hardenable dental material after placement of the filled crown form. The dental crown forms may also be located in packages with hardenable dental material located within the dental crown forms as packaged.

Method for manufacturing a semiconductor wafer using a mask that has several regions with different scattering ability

Four bar bracket

Machined aerodynamic intercompressor bleed ports

An air bleed system for a jet engine is provided. The air bleed system is located in the low pressure compressor chamber and comprises a movable bleed valve and a stationary, annular bleed case having a forward section and an aft section and ligaments connecting the two sections and providing structural support to the bleed case. The ligaments are machined from the bleed case into an aerodynamic shape that maximizes the flow of air through the bleed ports.