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7415843 |
Apparatus and method for producing a glass optical element and glass optical element produced thereby
In a method of manufacturing a glass optical element by press-forming a glass material in a chamber by using a forming mold comprising upper and lower dies at least one of which is movable, where a...
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6813904 |
Differential pressure process for fabricating a flat-panel display faceplate with integral spacer support structures
A process for fabricating a faceplate for a flat-panel display such as a field emission cathode type display is disclosed, the faceplate having integral spacer support structures. Also disclosed is...
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6685525 |
Method for manufacturing an incandescent lamp
A method for manufacturing an inexpensive lamp, which suppresses distortion of a bulb and prevents decrease in commercial value and breakage of the bulb. In a glass bulb having one end thereof...
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6598426 |
Method of making a vehicle window with opaque layer
A method of making a vehicle windshield or other window. An opaque layer (e.g., enamel or water-based) is applied to a glass sheet and then “fired” or cured. The opaque layer is preferably...
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6568217 |
Method for manufacturing fluorescent lamp
A method for manufacturing a fluorescent lamp that can achieve stable luminous characteristics and discharge characteristics and also does not suffer from cracks in the interconnected portion of...
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6489717 |
Channeled glass article and method therefor
The method herein shapes a thin glass article ( 10 ), as well as a thin glass interface ( 20, 22 ) between two laminated sheets ( 16, 18 ) as they seal together to form the glass article ( 10 )....
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6393868 |
Process for the production of sequences of interface layers
The present invention relates to a novel process for the production of sequences of interference layers composed of layers i of prescribed thicknesses d(i) and refractive indices n(i). In this...
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6301932 |
Method for forming an internally channeled glass article
The present invention is directed to a method for forming glass articles containing enclosed channels. The method comprises the following steps: a) delivering and depositing a first length of a...
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6270605 |
Method of manufacturing lightweight glazing by multilayer glass/plastic sheets
A method of manufacturing a curved glass/plastic laminate sheet for lightweight automotive glazing is disclosed. A flat laminate is build up with two thin glass layers, one inner and one outer, and...
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6216492 |
Methods and apparatus for providing quartz glass connectors
A preferred embodiment of the present invention comprises a vitreous quartz pipe or container having a connector including a flange formed from at least one strip or rod-shaped piece of transparent...
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5858046 |
Method of making an internally channeled glass article
The present invention is directed to a method for forming glass articles containing internal enclosed channels. The method comprises the following steps: (a) delivering and depositing a first or...
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5827343 |
Process for changing the bend of anodically bonded flat composite bodies made of glass and metal or semiconductor materials
A method for the controlled bending of anodically bonded two-dimensional composites of glass and metal or semiconductor materials. The composite is heated after bonding, for up to 200 hours to a...
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5733162 |
Method for manufacturing x-ray tubes
Improved methods of exhausting and combined exhausting and seasoning of x-ray tube envelopes for high performance x-ray system having a rotating anode therein which includes providing a glass...
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5599368 |
Device and process for the production of multiple-fold, single-tube glass vessels
Multiple fold, single tube glass vessels, as well as a process and device for producing multiple fold, single tube glass vessels. An even number of parallel glass tubes open at both ends are...
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5563743 |
Base body of a reflecting mirror and method for the preparation thereof
The invention provides a light-weight base body of a reflecting mirror such as a mirror in a reflecting astronomical telescope, which is very stable not only thermally but also mechanically and is...
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5549496 |
Method of producing a low-pressure mercury vapor discharge lamp
A low-pressure mercury vapour discharge lamp comprises two or more glass discharge tubes disposed in side-by-side relationship. The tubes are joined by a tapered joint region defining a generally...
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5547483 |
Spacers for flat display screens
A method for assembling a spaced flat panel display screen having a first plate and second plate, each with an internal facing surface that are opposing comprises the steps of positioning spacers...
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5322539 |
Quartz tank member and method of production thereof
A quartz tank member produced by a new method of production having continuous inner corner surfaces formed through bending and welding processes with welded seams being smooth without any hills,...
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5316564 |
Method for preparing the base body of a reflecting mirror
The invention provides a method of preparing a light-weight base body of a reflecting mirror such as a mirror in a reflecting astronomical telescope, which is very stable not only thermally but...
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5236486 |
Shaped gradient fabrication in lenses by molding from axial gradient
Shaped gradient profiles of index of refraction in lenses are fabricated from axial gradients. While the resulting lens has both radial (or cylindrical) and axial components, and, strictly...
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5221311 |
Evacuated sampling vial
An evacuated vial for collecting a fluid sample and a method for manufacturing the vial comprising a cylindrical glass tube, one end of the tube formed into a frangible tip, a glass bottom closing...
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5187761 |
Method of making an inlet cone on a connection endpiece for optical fibers, and apparatus for performing the method
A method of making an inlet cone at one of the ends of a connection endpiece for optical fibers, the endpiece being in the form of a cylindrical rod of outside diameter D and including an internal...
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5108478 |
Methods of and apparatus for the further processing of gobs of glass
A gob of glass sucked from a glass metal and held in a suction mold (7) is further processed by preshaping the glass in the mold by a punch (4) having a projection (9) for forming in a recess or...
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5106403 |
Organic lens mould method with process for making a countersink
A method of producing a blank for the primary member of a glass mould in which an organic polymer, multifocal, ophthalmic lens is cast. A glass major element is formed that has a raised countersink...
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5021074 |
Method of and apparatus for joining edges of glass sheets, one of which has an electroconductive coating and the article made thereby
An insulated glass unit formed from a pair of glass sheets, one of which has an electroconductive coating, i.e. a first sheet, is fabricated by positioning the first sheet on a vacuum support and...
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4999039 |
Method and apparatus for manufacture of thin sheet glass
First chucks feed material sheets of glass to a heating device and a drawing device. Third chucks hold the first material sheet of glass after it is lowered and the first chucks then release the...
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4885945 |
Micropipettes and fabrication thereof
A novel method for fabricating glass micropipettes comprises assembling glass tubes side-by-side in a bundle, softening an axially central region of the bundle by heating, axially elongating the...
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4883529 |
Circular tube shaping apparatus
An apparatus for shaping a tube into circle includes a dummy rod to be engaged to a rear end of the tube for constituting an extention of the tube and a support for supporting the combination of...
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4830648 |
Method of making a unitary tubular generally U-shaped discharge vessel, particularly for compact fluorescent lamps
To prevent weakened corners when forming a U-shaped discharge tube with sharp corners (28, 29) during a bending operation from a straight tube, two glass tubes (1, 3) having a wall dimension...
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4812344 |
Composite capillary tube structure and method of forming
A composite capillary tube structure made of a plurality of glass layers and methods for making same. This composite includes inner and outer layers of fused silica glass separated by an...
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4648850 |
Low-pressure arc discharge lamp having a common passageway and method of manufacturing same
A method of manufacturing a low-pressure arc discharge lamp formed by interconnecting two or more adjacent glass discharge tubes. A hermetically sealed common passageway between the two adjacent...
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4530710 |
Low-pressure arc discharge lamp having parallel discharge tubes with an arc-containing interconnecting channel; and method of manufacturing same
A method of manufacturing a low-pressure arc discharge lamp formed by interconnecting two or more parallel glass discharge tubes, each tube being sealed at one end. A hermetically sealed...
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4430664 |
Glass-moulded type semiconductor device
A glass-moulded type semiconductor device comprising semiconductor arrangement composed of at least one semiconductor pellet having at least one P-N junction, edges of which are exposed to...
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4426215 |
Method of fabricating a low loss fused biconical taper fiber optic coupler
A known low loss fused biconical taper fiber optic coupler is fabricating by heating and pulling a plurality of fused optical fibers which may be twisted to provide a minimum biconical taper...
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4350515 |
Method of producing glass edge multiple glazed units
A glass edge multiple glazed unit having fillets of substantially uniform thickness is produced by the application of heat to marginal edge portions of adjacent sheets, followed by a delay...
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4243401 |
Apparatus for producing double-walled heat insulating containers
Inner and outer blow-moulded glass bulbs, each open at one end thereof, are positioned one inside another on an apparatus having a chuck means which holds the bulbs in a spaced apart relation. The...
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4235645 |
Process for forming glass-sealed multichip semiconductor devices
The preferred embodiment of the invention comprises a glass sealed thyristor and a method for simultaneously constructing a plurality of thyristors and a common semiconductor wafer. The thyristor...
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4168960 |
Method of making a glass encapsulated diode
A glass encapsulated semiconductor diode and a method for glass encapsulation of a fusion to form a semiconductor diode is disclosed. The fusion comprises a body of semiconductor material having a...
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4101303 |
Perforate glass structures and method of making the same
A channel-type electron multiplier made in the shape of a glass wafer having holes through a central portion thereof, and an imperforate glass border fused to the periphery of the wafer, the wafer...
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4078910 |
Glass sleeve fiber joining
A permanent butt joint between optical fibers is made by inserting the bare fiber ends into the opposite ends of a slightly oversized bore in a sleeve of glass of lower melting point than the...
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4032337 |
Method and apparatus for pressurizing hot-isostatic pressure vessels
A method and apparatus for the rapid, high-capacity pressurization of hot-isostatic pressing vessels, specifically of the type adapted for the hot-isostatic pressing of alloy shapes from powder...
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4032316 |
Method of sealing a glass/tubulation to a plate
The disclosure is of a method of preparing an envelope assembly including a glass tubulation in which the tubulation includes a portion of reduced diameter at which a tip-off is formed during the...
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4025327 |
Method for fabricating a mass spectrometer inlet leak
A method of fabricating an inlet leak for measuring chemically reactive gases. The method involves the steps of preparing a selected internal surface of a high melting point metal tubing for...
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4019645 |
Crucible of fused vitreous silica
A crucible of pure transparent silica glass or pure translucent or opaque silica glass for the production of monocrystals used in making semiconductor elements which includes a hollow cylindrical...
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3980461 |
Method of manufacturing a preform for use in drawing glass fibers
A method of manufacturing a preform from which glass fibers are to be drawn including making a groove in a first cladding glass element, filling the groove with core glass, grinding or otherwise...
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3960533 |
Lamp having crystallizable light diffusing envelope
An incandescent lamp has an envelope made of partially crystallized glass in order to diffuse the light emanating from the filament.
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3954435 |
Laser construction and tuning method
Two central bore assemblies are constructed, each including a ceramic tube having a plurality of drilled disc assemblies frictionally attached thereon. A cathode element is inserted in the central...
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3879182 |
Method of making minature prisms
Manufacturing miniature plural element wavelength multiplexing prisms by preparing an accurately proportioned greatly oversized preform of each element of the respective prisms and assembling the...
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3859072 |
METHOD OF FABRICATING CATAPHORETIC LASERS
Two central bore assemblies are constructed, each including a ceramic tube having a plurality of drilled disc assemblies frictionally attached thereon. A cathode element is inserted in the central...
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3837830 |
METHOD FOR FORMING INTEGRAL INTERNAL CHANNELS IN GLASS TUBING
A method for forming integral internal channels defined by a wall with an annular cross-section inside high softening temperature glass tubing is described. In particular, a reduced pressure is...
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