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| Number | Title | Issue Date |
| 6848277 | Projection lithography photomasks and method of making The present invention is a method of making a lithography photomask and photomask blank. The method of making the lithography photomask and photomask blank includes providing a silicon oxyfluoride glass tube having an OH content less than 50 ppm. The method further ... | 02/01/2005 |
| 6553789 | Quartz glass plates with high refractive index homogeneity A method produces homogenous quartz glass plates without streaks. The method is applied to starting quartz glass body which has an X--X geometrical axis and good refractive index homogeneity in its central area, and a refractive index homogeneity decreasi... | 04/29/2003 |
| 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 molten glass ribbon (18) to a surface of a mold (20) having a... | 10/16/2001 |
| 6196026 | Method of making a glass array plate with closure A method of making a glass multiwell plate for use in biological or chemical laboratory applications whereby the plate is formed by a single ribbon of molten glass passing twice over a mold such that the first section of glass takes the form of the mold a... | 03/06/2001 |
| 6143676 | Synthetic silica glass used with uv-rays and method producing the same An object of the present invention is to provide a synthetic silica glass optical material which exhibits excellent transmittance as well as durability for high output power vacuum ultraviolet rays, being emitted from, for example, ArF excimer lasers and ... | 11/07/2000 |
| 6134919 | Method for forming a glass article possessing an aperture The present invention is directed to an apparatus and method for forming glass article from sheet glass. More specifically the apparatus comprises a mold, a plunger being cooperative alignment with the mold, wherein the mold and the plunger form a cavity ... | 10/24/2000 |
| 6067819 | Method for manufacturing glass container and apparatus therefor A method for manufacturing a glass container and an apparatus therefor capable of providing the container by pressing of a glass substrate using a die while keeping the glass substrate uniformly heated and softened. The glass substrate is heated while bei... | 05/30/2000 |
| 5992178 | Method for stepwise bending of glass sheets Glass sheets are bent in stages into the final shape in a horizontal position in two successive bending stations. The glass sheets heated to bending temperature are laid on a fabric carrier arranged resiliently on a rigid support frame. The glass sheets a... | 11/30/1999 |
| 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 channel-forming ribbon of molten glass to a surface of a mol... | 01/12/1999 |
| 5683483 | Manufacturing method and equipment for large, high-purity flat or curved quartz glass plate The present invention provides large, high-purity quartz glass plate with a high degree of smoothness and flatness, its manufacturing method and equipment. The invention is characterized by the procedure in which a quartz glass tube with an opening over a... | 11/04/1997 |
| 5460638 | Method for vacuum forming dishes from a ribbon A method and apparatus for producing a glass ware, such as a bowl or plate, via vacuum forming. A deformable glass ribbon is passed through a pair of parallel rolls or rollers, one of the rollers having a recessed cavity thereon for forming a thicker prod... | 10/24/1995 |
| 4572730 | Method of making a ribbon blown glass article A method and apparatus is disclosed to produce a blown glass article on a ribbon machine having a self supporting closed end. Said ribbon formed glass envelope has a cylindrical neck portion terminating at one end in a bulb portion of larger cross section... | 02/25/1986 |
| 4361429 | Method and apparatus for pressing glass articles Method and apparatus are set forth for forming articles from molten sheet glass wherein the molten sheet glass initially substantially conforms to a mold cavity by a combination of vacuum and/or gravity, and then while still in a semi-molten condition the... | 11/30/1982 |
| 4303436 | Process and apparatus for the production of glass foil A process and apparatus for producing glass foil is disclosed in which a thin glass foil is produced by conveying a glass melt from a rotatable crucible of a smelting furnace through an annular distribution reservoir and a distributing disk having flow-th... | 12/01/1981 |
| 4243398 | Method of producing dielectric diffraction gratings or dielectric multilayer interference filters There is disclosed a method of producing dielectric diffraction gratings. This method comprises (a) preparing a preform by forming one upon another layers of two or more glasses having different refractive indices at a given period, and (b) cutting the pr... | 01/06/1981 |
| 4047915 | Method of manufacturing glass vacuum envelopes A method of manufacturing a vacuum envelope comprises heating a glass plate clamped at at least several points around its periphery and, when the glass begins to soften, pressing a stamp against the glass to deform it, the deformed glass then having its r... | 09/13/1977 |
