| Patent Number |
Title Of Patent |
Date Issued |
| D322489 |
Decorative gas plasma light display |
December 17, 1991 |
|
| 7099057 |
In-line holographic mask for micromachining |
August 29, 2006 |
| A method of fabricating a holographic mask includes the steps of providing an illumination source and a non-opaque object mask. The source is for generating a coherent illumination beam directed along an axis. The object mask is capable of transmitting a portion of the illumination beam |
| 6618174 |
In-line holographic mask for micromachining |
September 9, 2003 |
| An optically made, high-efficiency in-line holographic mask (ILHM) for in-line holographic patterning of a workpiece, and apparatus and methods for performing same. The ILHM combines the imaging function of a lens with the transmission properties of a standard amplitude mask, obviating t |
| 6077629 |
Composite holographic media and production thereof |
June 20, 2000 |
| The present invention is directed to a holographic media that is composed of a mixture of a photosensitive substance such as a photopolymer and a porous rigid material such as an aerogel that provides a substructure to the composite material. This unique composition of matter can be util |
| 6011650 |
Decorative optical display apparatus |
January 4, 2000 |
| A decorative optical display (20) utilizing a reflective diffraction grating (94) or a transmissive diffraction grating (304) and a plurality of polychromatic light sources (60) disposed around perimeter (106) of the reflective diffraction grating or perimeter (314) of the transmissive |
| 5958268 |
Removal of material by polarized radiation |
September 28, 1999 |
| An apparatus and method for selectively removing undesired material from the surface of a substrate provides a flow of inert gas over the undesired material substrate surface while irradiating the undesired material with energetic photons. The invention enables removal of undesired mater |
| 5800625 |
Removal of material by radiation applied at an oblique angle |
September 1, 1998 |
| An apparatus and method for removing undesired material from the surface of a substrate provides a flow of inert gas over the undesired material substrate surface while irradiating the undesired material with energetic photons directed at an angle that is oblique to the substrate. The |
| 5677805 |
Apparatus for determining the dynamic position and orientation of a transducing head relative to |
October 14, 1997 |
| An apparatus for determining the position and/or orientation of a transducing head positioned on one side of and close to a rotating transparent-core magnetic storage disk. Light is introduced into the disk to establish total internal reflection therein. A detector disposed on the ot |
| 5528402 |
Addressable electrohologram employing electro-optic layer and patterned conductor between two el |
June 18, 1996 |
| An electrically addressable wavefront-modulation device has a thin film of transparent conductive material finely patterned as a hologram in which individual fringe elements need not have electrical continuity with each other or with external electrodes. The holographic pattern is covere |
| 5198723 |
Luminous panel display device |
March 30, 1993 |
| A gas discharge display apparatus in the form of an electroluminescent gas filled panel adapted for quickly and inexpensively making a durable and robust luminous sign using image patterns transferred to the panel by painting, silkscreening, stencilling, lithography, or the like. The |
| 5126632 |
Luminous panel display device |
June 30, 1992 |
| A gas discharge display apparatus in the form of an electroluminescent gas filled panel adapted for quickly and inexpensively making a durable and robust luminous sign using image patterns transferred to the panel by painting, silkscreening, stencilling, lithography, or the like. The |
| 4963792 |
Self contained gas discharge device |
October 16, 1990 |
| A gas discharge apparatus includes a discharge chamber including a transparent dome portion and an electrode-including base portion, which together enclose an ionizable gas. A cup-shaped base member is affixed at its periphery to the edge of the base portion of the discharge chamber. A |
| 4956577 |
Interactive luminous panel display device |
September 11, 1990 |
| A gas discharge display apparatus in the form of a panel housing a plurality of electroluminescent gas-filled discharge chambers adapted for interactively controlled illumination. The apparatus generally includes an electrically conductive surface underlying the discharge chambers utiliz |
| 4887003 |
Screen printable luminous panel display device |
December 12, 1989 |
| A gas discharge display apparatus in the form of an electroluminescent gas filled panel adapted for quickly and inexpensively making a durable and robust luminous sign using image patterns transferred to the panel by painting, silkscreening, stencilling, lithography, or the like. The |
| 4754199 |
Self contained gas discharge display device |
June 28, 1988 |
| A gas discharge apparatus includes a discharge chamber including a transparent dome portion and an electrode-including base portion, which together enclose an ionizable gas. A cup-shaped base member is affixed at its periphery to the edge of the base portion of the discharge chamber. A |
