Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 5316882 | Ferrite green beads and method of producing carrier particles A green bead composite for the manufacture of magnetic carrier particles for electrophotography is disclosed. The composite comprises a synthetic polyester or polyurethane as the binder for metal oxide and other metal salt particles. The dried, nonmagneti... | 05/31/1994 |
| 5314771 | Method of manufacturing color-filter-fitted board for liquid crystal display When electrodes in two-layer composition, provided with a color filter in the inside thereof, are provided on the inner surface of a liquid crystal cell board, it is aimed to prevent creation of faulty connections in contact holes and to transmit a drivin... | 05/24/1994 |
| 5304439 | Method of making an electrophoretic display panel with interleaved local anode A method of manufacturing an improved an electrophoretic display having a cathode/grid/local anode matrix and a remote anode includes forming the local anode lines in the same plane as the grid lines from the same material and in the same fabricating step... | 04/19/1994 |
| 5304461 | Process for the selective deposition of thin diamond film by gas phase synthesis Thin diamond films can be selectively deposited imagewise on a substrate by gas phase synthesis. The substrate may be either a silicon substrate or a basal thin diamond film formed beforehand on a substrate by gas phase synthesis. Where a silicon substrat... | 04/19/1994 |
| 5304437 | Mask for x-ray pattern delineation Fabrication of reflective masks, designed for use with x-ray delineating radiation in the construction of sub-micron devices, is expedited by use of a barrier layer intermediate the multilayer reflector and the absorber layer. The barrier is designed to r... | 04/19/1994 |
| 5304445 | Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same Disclosed are a phthalocyanine composition which comprises having main diffraction peaks at 7.5°, 22.5°, 24.3°, 25.3° and 28.6° of Bragg angles (2θ&#b1;0.2°) in an X-ray diffraction spectrum with Cu K, a process for preparing the same, ... | 04/19/1994 |
| 5302491 | Method of encoding identification information on circuit dice using step and repeat lithography A method is disclosed whereby identification information can be encoded onto a plurality of circuit dice on a wafer to enable each of them to be distinguished from one another. An array of electrically readable identification elements, such as resistors, ... | 04/12/1994 |
| 5300378 | Method of producing a phase shifting mask A mask for use in an optical exposure apparatus with single wavelength light includes a light shielding film pattern having two spaced apart portions on a transparent substrate, a transparent thin film for shifting the phase of light transmitted through t... | 04/05/1994 |
| 5300377 | Method of manufacturing a phase shift mask comprising two phase shift layers and sloping sidewalls In order to manufacture a phase shift mask for hyperfine patterning, a sidewall phase shift mask is formed on both sides of each phase shift film in a spatial frequency modulation type phase shift mask. Accordingly, the light intensity occurring from the ... | 04/05/1994 |
| 5298352 | Emulsion printing plates and evacuation channels A photo printing plate having an upper air evacuation channel and a lower air evacuation channel with the lower air evacuation channel formed in a emulsion layer and the upper air evacuation channels formed by spacers located partially on top of the opaqu... | 03/29/1994 |
| 5298354 | Electrostatic image developing toner and fixing method A toner for developing an electrostatic image, comprises a binder resin and a colorant. Such binder resin contains a THF-insoluble component in an amount of less than 10 wt. % based on the binder resin, and, in the molecular weight distribution measured b... | 03/29/1994 |
| 5296325 | Dicyanoimidazole compounds usable as colorants for magenta toners, colored resins, colored molded resin memers and color filters (1) Dicyanoimidazole compound derivative represented by the formula [I] ##STR1## R1, R2 : alkyl group, alkoxyalkyl group, hydroxyalkyl group, ଲ-cyanoethyl group, ଲ-chloroethyl group, aralkyl group, aryl group; X: hyd... | 03/22/1994 |
| 5294512 | Pyrene compound, manufacturing method therefor and electrophotographic photoreceptor containing the pyrene compound The photoreceptor comprises a light-sensitive layer on a conductive support or a conductive layer. The light-sensitive layer containes a pyrene compounds.... | 03/15/1994 |
| 5290647 | Photomask and method of manufacturing a photomask A photomask includes a transparent substrate, a predetermined pattern of a light blocking member disposed on the transparent substrate, and a phase member formed along a peripheral edge of the light blocking member and exposed by a predetermined width. Th... | 03/01/1994 |
| 5290648 | Method for manufacturing a screen for a cathode ray tube A method for manufacturing a screen for a cathode ray tube is provided comprising the steps of forming a first phosphor layer through coating a phosphor slurry containing a first phosphor, polyvinyl alcohol having a polymerization degree of 1,500 to 2,000... | 03/01/1994 |
| 5286581 | Phase-shift mask and method for making A method is provided for fabricating a phase-shift mask (10, 30). A mask plate (11, 31) is provided. A semitransparent layer (12, 32) is deposited onto the mask plate (11,31). The semitransparent layer (12, 32) is then patterned into a predetermined geome... | 02/15/1994 |
| 5286583 | Method of manufacturing a photomask for an optical memory A method of manufacturing a photomask for an optical memory, the photomask having two types of pattern where guide tracks and formatting pits are different in amount of optical transmissions, including the steps of (a) forming on a transparent substrate a... | 02/15/1994 |
| 5284724 | Phase mask for projection lithography and method for the manufacture thereof comprising a selectively etchable phase shift layer directly on substrate A carrier of light-transmissive material has a mask pattern of light-absorbent material arranged thereon. The carrier comprises first regions and second regions that are not covered by the absorbent material. An optical thickness of the carrier in the fir... | 02/08/1994 |
| 5284729 | Coating composition for electrophotographic photosensitive member and method for forming electrophotographic photosensitive coating film by use thereof A coating composition for an electrophotographic photosensitive member contains a volatile levelling agent. A method for forming a coating film of an electrophotographic photosensitive member, comprises applying a coating composition for the electrophotog... | 02/08/1994 |
| 5279916 | Process for producing electrophotographic photosensitive member The present invention provides a process for producing an electrophotographic photosensitive member through application of a paint by dipping an object to be coated into a paint coating bath. The process comprises steps of: blowing a gas periodically into... | 01/18/1994 |
| 5278017 | Electric charge controlling resin, toner made with the use of the same and method of producing the toner The present invention provides electric charge controlling resin formed with the use of a polymer which has a polar group for imparting an electrostatic charge and of which flow rate Rf as measured by a thin-layer chromatography using silica gel as an ads... | 01/11/1994 |
| 5275906 | Method of forming a pattern using a liquid color toner composition Described herein is a liquid color composition containing a resin binder and a plasticizer which is compatible with the binder. The toner is very transparent and produces excellent quality images when used in xeroprinting processes.... | 01/04/1994 |
| 5273850 | Chromeless phase-shift mask and method for making A method is provided for forming a right angle (30) on a chromeless phase-shift mask (31). A first phase-shift element (32) and a second phase-shift element (33) are positioned at a ninety degree angle, on the chromeless phase-shift mask (31), wherein the... | 12/28/1993 |
| 5273853 | Black photoconductive toner having sensitivity to light in the wavelength range of semiconductor lasers A black photoconductive toner having sensitivity to light in the wavelength range of semiconductor lasers, the toner containing a resinous binder, photoconductive material, a sensitizer, and a perylene black pigment or yellow, magenta, or cyan quinone dye... | 12/28/1993 |
| 5272028 | Electrophotographic photosensitive member comprising a tris-azo pigment An electrophotographic photosensitive member has a photosensitive layer provided on an electroconductive support. The photosensitive layer contains an azo pigment represented by the general formula (I): ##STR1## wherein Ar1 and Ar2 | 12/21/1993 |
| 5272508 | Electrophotographic photosensitive member and apparatus incorporating the same An electrophotographic photosensitive member comprises a drum-shaped or endless-sheet-shaped light-transmissive carrier made of a light-transmissive resin, at least one of the top and bottom surfaces of which has maximum and mean roughness both ranging fr... | 12/21/1993 |
| 5272024 | Mask-structure and process to repair missing or unwanted phase-shifting elements A phase-shifting mask is composed of material including a substrate carrying a first phase-shifting layer having a phase-shift of .THETA., a second phase-shifting layer stacked upon the first layer having a phase-shift of (2π-.THETA.), and a third phase-... | 12/21/1993 |
| 5270116 | Process for fluorimetric monitoring of functional coatings and compositions and fluorescent agents therefor A method for monitoring the coating weight, uniformity, defects or markings present in a coating of a composition applied to a substrate comprises the steps: a) providing a substrate with a functional coating of a composition comprising an effective amoun... | 12/14/1993 |
| 5268250 | Electrophotographic photoreceptor and method of manufacturing comprising simultaneously vapor depositing charge generating material and oligomer Disclosed herein is an electrophotographic photoreceptor comprising a charge generation layer and a charge transport layer disposed in lamination on a substrate, in which at least one of said charge generation layer and said charge transport layer is a va... | 12/07/1993 |
| 5268245 | Process for forming a filter on a solid state imager A filter is formed on a solid state imager by: forming, on the imaging surface of the imager, an adherent layer of a dye-containing photoresist composition comprising a photoresist resin and a thermochromic dye, this dye being substantially non-absorbent of ac... | 12/07/1993 |
| 5264324 | Radiation-polymerizable mixture and process for producing a solder resist mask The present invention relates to a radiation-polymerizable mixture which includes a polymerizable compound, a polymeric binder which has units of methacrylic acid, a methacrylic acid ester and a styrene, the latter in a proportion of 40 to 65% by weight, ... | 11/23/1993 |
| 5264312 | Charge transporting layers formed from curable compositions A process for preparing a photoreceptor by forming a coating of a substrate followed by curing. The coating contains an electroactive material dissolved or dispersed in a polymerizable film forming monomer, which is first polymerized into a solid matrix.... | 11/23/1993 |
| 5262263 | Layer electrophotographic sensitive member comprising morphous silicon The present invention relates to an improvement of an electrophotographic sensitive member comprising an amorphous silicon photoconductive layer and an amorphous silicon carbide surface layer formed on said amorphous silicon photoconductive layer. An elec... | 11/16/1993 |
| 5262267 | Magnetic developer, image forming method and image forming apparatus A magnetic developer for developing an electrostatic latent image, including hydrophobic silica fine powder and an insulating magnetic toner comprising at least a binder resin and a magnetic material comprising spherical magnetic particles; wherein 0.16 t... | 11/16/1993 |
| 5262269 | Process for making toner particles wherein the pigment is dispersed in the toner Pigmented toner particles are provided wherein, because of treatment with a surface modifier, an initially hydrophilic, sub-micron sized pigment is made hydrophobic. Toner particles are produced wherein the pigment is dispersed internally leaving surfaces... | 11/16/1993 |
| 5260150 | Photo-mask with light shielding film buried in substrate A photo-mask comprises a light-permeable substrate, a plurality of light-shielding films that are disposed on the substrate, the light-shielding films forming a mask pattern, and a light-permeable protective film that is disposed over the surface of the s... | 11/09/1993 |
| 5260152 | Phase shifting mask and method of manufacturing same A method for manufacture of such a phase shifting mask comprises the steps of forming a light shielding layer on a substrate; forming a photoresist on the light shielding layer; patterning the photoresist to form a resist pattern; providing an opening in ... | 11/09/1993 |
| 5260153 | Aperture pattern printing plate An aperture pattern printing plate for manufacturing a shadow mask having an opaque layer form in parts on a surface of a transparent plate. The parts of the opaque layer corresponding to apertures in an effective area of the shadow mask. The opaque layer... | 11/09/1993 |
| 5260151 | Device manufacture involving step-and-scan delineation Fabrication of submicron design rule large scale integrated circuits depends upon use of a strut-segmented mask with struts providing mechanical support to permit thinned mask segments consequently yielding improved resolution. "Stitching"--positioning of... | 11/09/1993 |
| 5260351 | Radiation curing of perfluoroelastomers Perfluoroelastomers cured by radiation and characterized by an absence of curing agent residues in the cured product.... | 11/09/1993 |
