Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7267129 | Device and process for liquid treatment of wafer-shaped articles A device for liquid treatment of a defined area of a wafer-shaped article, especially of a wafer, near the edge, in which the liquid is applied to a first surface, flows essentially radially to the outside to the peripheral-side edge of the wafer-shaped article and ... | 09/11/2007 |
| 7204911 | Process and apparatus for forming discrete microcavities in a filament wire using a polymer etching mask A microcavity-forming system for making microcavities in a wire (especially a tungsten filament wire). The system has a coating station receiving the wire and applying a polymer coating to the wire. A mask-forming station receives the polymer-coated wire and blows m... | 04/17/2007 |
| 7172674 | Device for liquid treatment of wafer-shaped articles A device for liquid treatment of a defined area of a wafer-shaped article, especially of a wafer, in which a mask is kept at a defined short distance to the wafer-shaped article such that liquid can be retained between the mask and the defined area of the wafer-shap... | 02/06/2007 |
| 7029597 | Anodized aluminum etching process and related apparatus A process for selectively etching a surface of an anodized aluminum article. A preferred process includes: providing an aluminum sheet or web including first and second sides having anodized finishes; etching the first side to improve the adhesion capabilities of th... | 04/18/2006 |
| 6951317 | Vehicle, lightweight pneumatic pilot valve and related systems therefor A vehicle, such as a missile, with a pilot valve system controls the vehicle's thrust valves despite a hostile propellant gas environment. The pilot valve system can have one or more pilot valves. Using refractory elements, the pilot valve ball reciprocates between ... | 10/04/2005 |
| 6949174 | Milling apparatus A milling apparatus is provided in which temperature rise of a treatment-object in milling treatment, especially of the substrate thereof, is prevented. In the apparatus, ionization mechanism 2 comprises casing 20d having an opening at the cente... | 09/27/2005 |
| 6863769 | Configuration and method for making contact with the back surface of a semiconductor substrate A base body is provided, on which a first sealing ring and a second sealing ring are disposed. A substrate is disposed on the sealing rings in such a way that a cavity is formed between the first sealing ring, the second sealing ring, the base body and the substrate... | 03/08/2005 |
| 6746503 | Precision gap particle separator A system for separating particles entrained in a fluid includes a base with a first channel and a second channel. A precision gap connects the first channel and the second channel. The precision gap is of a size that allows small particles to pass from the first cha... | 06/08/2004 |
| 6733616 | Surface isolation device A surface isolation device for isolating a predetermined area of a second surface of a wafer from an etching solution while the etching solution etches a first surface of the wafer to form a plurality of manifolds in the wafer. The surface isolation device has a bas... | 05/11/2004 |
| 6682629 | Substrate processing unit The present invention is a processing unit for processing a substrate in a casing, having: a transfer port provided in the casing through which the substrate passes when the substrate is carried into the casing by a carrier for carrying the substrate; and... | 01/27/2004 |
| 6649077 | Method and apparatus for removing coating layers from alignment marks on a wafer A method and an apparatus for removing coating layers from the top of alignment marks on a wafer situated in a spin processor are described. The method may be carried out by first providing a spin process equipped with a rotatable wafer pedestal, then pro... | 11/18/2003 |
| 6589385 | Resist mask for measuring the accuracy of overlaid layers A resist mark for measuring the accuracy of overlay of a photomask disposed on a semiconductor wafer, includes a first measurement mark having a first opening, formed on the substrate, an intermediate layer formed on the first measurement mark and in the ... | 07/08/2003 |
| 6579408 | Apparatus and method for etching wafer backside An apparatus and a method for mounting a wafer and etching a wafer backside in an etchant solution are provided. The apparatus is constructed by a first circular disc that has a first sidewall integrally formed, a gas inlet in the first circular disc or t... | 06/17/2003 |
| 6485655 | Method and apparatus for retaining an internal coating during article repair An internal coating on an internal passage wall exposed at a passage opening through an article external surface is protected from removal during repair of the article, including removal of at least a portion of an external coating, by a masking assembly ... | 11/26/2002 |
| 6028010 | Style gas ring with a guard extension A ring prevents particulate build-up in a chemical spraying chamber, and includes a top portion that has a rim, and rests on a base flange of the spraying chamber, and a bottom portion that has a vertical segment that extends below a bottom surface of the... | 02/22/2000 |
| 5688359 | Muffle etch injector assembly A novel modular muffle etch injector assembly for use in a gas blanketed down-flow chemical vapor deposition apparatus of the type having a muffle and a modular gas injector assembly for introducing chemical vapors into a deposition chamber, the muffle be... | 11/18/1997 |
| 5433821 | Direct patternization device and method A predetermined electrical circuit pattern or discrete features composed of discrete, electrically conducting metal pathways and non-conducting spaces therebetween is formed on a dielectric substrate by (1) depositing a continuous layer of an electrically cond... | 07/18/1995 |
| 5286343 | Method for protecting chip corners in wet chemical etching of wafers The present invention is a corner protection mask design that protects chip corners from undercutting during anisotropic etching of wafers. The corner protection masks abut the chip corner point and extend laterally from segments along one or both corner ... | 02/15/1994 |
| 5009742 | Method and apparatus for making sealing rings of the radial type with sealing lip of fluoroplastic The invention relates to a sealing ring of the radial type comprising a reinforcement, a body, particularly of elastomer, and a sealing lip consisting of an annular washer, of fluoroplastic such as PTFE, made to adhere along an outside peripheral annular ... | 04/23/1991 |
| 4689114 | Method for manufacturing a shadow mask In a method for manufacturing a shadow mask, the both surfaces of a metal sheet, except those regions in which small and large openings are to be formed, are coated with resist films. The upper surface of the metal sheet is further coated with an organic ... | 08/25/1987 |
| 4652337 | Vehicle identification system A kit for facilitating the reproduction of a selected array of alphanumeric characters on a variety of receiving surfaces. The kit contains a set of stencils, with a first stencil having a plurality of cutouts in a desired array and with registration mark... | 03/24/1987 |
| 4613394 | Staged chemical pipe cutter Discloses an improved tool and method for cutting material by expelling a jet stream of liquid chemical reactant into forceful flowing connection and chemical reaction with a designated area of the material. Applies a force to at least one mass of reactan... | 09/23/1986 |
| 4339296 | Apparatus for adjustably forming pattern in a strip A strip 20 has a drive margin 36 and a latent image of a pattern in a light sensitive coating 73 of a pattern portion 22 thereon. To avoid disturbing the pattern, the strip 20 is gripped by the drive margin 36 using a set 43 of pinch-drive rollers which d... | 07/13/1982 |
| 4124437 | System for etching patterns of small openings on a continuous strip of metal An etching system having a first member for unrolling and fastening a protective film on one side of a continuous strip of metal and a second member for smoothly stripping the protective film from the continuous strip of metal after the continuous strip o... | 11/07/1978 |
| 4069085 | Apparatus for forming apertures in a thin metal tape such as a shadow mask for a color television display tube A method of forming apertures in a thin metal tape. Cavities having a depth of at least half of the tape thickness are first etched from one side. Etching is then carried out mainly from the other side until apertures having the desired profile have been ... | 01/17/1978 |
| 4013498 | Etching apparatus for accurately making small holes in thick materials A sheet of metallic material having a thickness T is covered on one side by an etchant resist and on the opposite side by an etchant resist and a removable shield. Etching is first performed on the side with only the etchant resist layer. Next, the shield... | 03/22/1977 |
