71
Ronald G Hegg, Mao Jin Chern, Anson Au: Virtual image display having a high efficiency grid beamsplitter. Hughes Aircraft Company, Leonard A Alkov, W K Denson Low, January 17, 1995: US05383053 (80 worldwide citation)

A focusable virtual image display system employing a focusable image source such as a cathode ray tube and imaging optics to provide a virtual image. The virtual image is viewable by a user and its effective range may be changed without changing the apparent field of view or resolution. By placing t ...


72
David P Jackson: Dense phase gas photochemical process for substrate treatment. Hughes Aircraft Company, Mary E Lachman, W J Streeter, W K Denson Low, November 26, 1991: US05068040 (80 worldwide citation)

A process for removing undesired material from a chosen substrate by exposing the substrate simultaneously to ultraviolet radiation and a selected dense fluid, wherein the radiation produces a photochemical reaction that removes the undesired material from the substrate and the dense fluid enhances ...


73
Umesh K Mishra, Mark A Thompson, Linda M Jelloian: Fabrication of self-aligned, T-gate HEMT. Hughes Aircraft Company, Paul M Coble, W K Denson Low, October 1, 1991: US05053348 (80 worldwide citation)

A generally T-shaped gate is formed by electron beam irradiation of a multilevel resist structure on a substrate. The resist structure has an upper layer which is more sensitive to the electron beam than a lower layer thereof. A generally T-shaped opening is formed in the resist structure by etching ...


74
Wei Yu Wu, Tsung Y Hsu, Anna M Lackner, Willis H Smith Jr: Visual display device with fluorescent dye-doped edge-illuminating emitter panel. Hughes Aircraft Company, V D Duraiswamy, P M Coble, W K Denson Low, February 5, 1991: US04989956 (79 worldwide citation)

A light emitting panel is formed of a transparent plastic substrate doped with fluorescent dye which absorbs incident light through a relatively large surface area and emits light of a longer wavelength out through one edge. The incident light may be ambient or produced by a fluorescent light source ...


75
Sidney C Chao, Thomas B Stanford, Edna M Purer, Angela Y Wilkerson: Dry-cleaning of garments using liquid carbon dioxide under agitation as cleaning medium. Hughes Aircraft Company, M E Lachman, M W Sales, W K Denson Low, November 21, 1995: US05467492 (79 worldwide citation)

Liquid carbon dioxide, in combination with agitation and, optionally, with process enhancers, such as surfactants, and solvents, such as water, is used to remove contaminants from garments or fabrics. Both apparatus and process are disclosed. Carbon dioxide-cleaned garments are rendered free of odor ...


76
Allen K Lo, Paul L Feintuch: Multiple adaptive filter active noise canceller. Hughes Aircraft Company, W K Denson Low, June 13, 1995: US05425105 (79 worldwide citation)

An active adaptive noise canceller that does not require a training mode and operates over an extended noise bandwidth. The canceller partitions the noise bandwidth into frequency sub-bands, and multiple adaptive filter channels are employed, one for each sub-band, to cancel noise energy in the resp ...


77
Carl W Townsend, Edna M Purer: Liquid carbon dioxide dry cleaning system having a hydraulically powered basket. Hughes Aircraft Company, M E Lachman, M W Sales, W K Denson Low, September 23, 1997: US05669251 (78 worldwide citation)

A liquid carbon dioxide dry cleaning system that employs a rotating basket inside a dry cleaning vessel that is powered by hydraulic flow. The present invention is particularly useful as a dry cleaning system that uses liquid carbon dioxide as the cleaning agent. The dry cleaning system has a pressu ...


78
James J Licari, Deborah J Smith: Microelectronic circuit substrate structure including photoimageable epoxy dielectric layers. Hughes Aircraft Company, H P Gortler, M W Sales, W K Denson Low, January 16, 1996: US05485038 (78 worldwide citation)

A High-Density-Multi-Chip (HDMI) substrate structure (10) includes alternating conductor metallization (24,28,36,54,56) and insulating dielectric layers (14,38). The dielectric layers (14,38) are formed by curtain coating of ultraviolet photoimageable epoxy material, and the metallization (24,28,36, ...


79
Robert Bone, Kirti Vora: Vertical IC chip stack with discrete chip carriers formed from dielectric tape. Hughes Aircraft Company, M E Lachman, M W Sales, W K Denson Low, February 4, 1997: US05600541 (77 worldwide citation)

A 3-D integrated circuit (IC) chip stack employs a plurality of discrete chip carriers that are formed from dielectric tape layers such as fused low temperature cofired ceramic (LTCC) tape. The chips are lodged in cavities within the tape layers, and are either flip-chip or wire bond connected to el ...


80
Jerald F Pinter: Method for forming deep conductive feedthroughs. Hughes Aircraft Company, W C Schubert, W K Denson Low, June 21, 1994: US05322816 (77 worldwide citation)

An interconnect layer (40) for interposing between two active circuit layers of a multi-chip module (50). The interconnect layer includes a layer of silicon (14) having first surface and second surfaces. A first layer of dielectric material (16) is disposed over the first surface and a second layer ...