51
Toshio Hatada, Takayuki Atarashi, Takahiro Daikoku, Satomi Kobayashi, Shizuo Zushi, Fumiyuki Kobayashi, Susumu Iwai: Cooling system for cooling an electronic device and heat radiation fin for use in the cooling system. Hitachi, Antonelli Terry Stout & Kraus, December 31, 1991: US05077601 (91 worldwide citation)

A cooling system for cooling an electronic device by allowing a cooling fluid to flow in contact with heat generating components such as LSI chips of the electronic device arranged in series along the major flow of the cooling fluid. The cooling system has heat radiation fins attached to the heat-ge ...


52
Richard J Brown, Sidney Smith, David E Cerny, John T Foley: Centrifugation chamber having an interface detection surface. Baxter International, Paul C Flattery, Daniel D Ryan, Bradford R L Price, December 31, 1991: US05076911 (90 worldwide citation)

A system and method of separation of therapeutic components from blood. The system includes a dual member centrifuge and a disposable single use fluid transfer set. The set includes an elongated flexible separation chamber having an input port, a separated component output port and a residual fluid ...


53
William H Stutz Jr: Apparatus and method for making electrical connections in an implantable pacemaker. Siemens Pacesetter, Lisa P Weinberg, Malcolm J Romano, December 31, 1991: US05076270 (90 worldwide citation)

A multi-part molded pacemaker connector that meets the precise requirements imposed by the VS-1 standard, yet does not require complex or expensive machining of individual parts. Advantageously, the pacemaker connector is made from a plurality of individually molded parts, with each individual part ...


54
Charles F Carey, Kenneth M Fallon, Rochelle Ginsburg, Charles G Woychik: Low temperature controlled collapse chip attach process. International Business Machines, Richard M Goldman, December 31, 1991: US05075965 (89 worldwide citation)

A controlled collapse chip connect method of joining an IC chip to a microelectronic circuit card. According to the method an inhomogeneous, anisotropic column of solder is deposited from a Pb/Sn alloy onto solder wettable I/O terminals of the I/C chip, without subsequent homogenizing reflow. The so ...


55
Gregory C Frye, Stephen J Martin: Dual output acoustic wave sensor for molecular identification. The United States of America represented by the United States Department of Energy, Karla Ojanen, James H Chafin, William R Moser, December 31, 1991: US05076094 (89 worldwide citation)

A method of identification and quantification of absorbed chemical species by measuring changes in both the velocity and the attenuation of an acoustic wave traveling through a thin film into which the chemical species is sorbed. The dual output response provides two independent sensor responses fro ...


56
John H Blanz: Cryogenic probe station having movable chuck accomodating variable thickness probe cards. John H Blanz Company, Weingarten Schurgin Gagnebin & Hayes, December 31, 1991: US05077523 (89 worldwide citation)

ATE is mounted directly to a support surrounding and removably receiving probe cards of differing thickness. An electrically heated chuck having a variable heat transfer coefficient heat exchanging face confronting a liquid nitrogen supplied plenum exhibits a temperature that varies with electrical ...


57
Richard K Elton: Flexible lubricious organic coatings. C R Bard, Wolf Greenfield & Sacks, December 31, 1991: US05077352 (88 worldwide citation)

A flexible, lubricious organic polymeric coating is formed by applying a mixture of an isocyanate, a polyol, poly(ethylene oxide), and carrier liquid to a surface to be coated. The carrier liquid is removed and the mixture reacted to form a polyurethane coating with associated poly(ethylene oxide) g ...


58
Barrie Gilbert: Variable-gain amplifier controlled by an analog signal and having a large dynamic range. Analog Devices, Parmelee Bollinger & Bramblett, December 31, 1991: US05077541 (87 worldwide citation)

A variable-gain amplifier including a ladder attenuator to which the input signal is applied. The ladder nodes develop progressively attenuated (reduced level) signals corresponding to the input signal. Controllable-transconductance (g.sub.m) stages are connected respectively to the ladder nodes, an ...


59
Masayuki Kato, Takashi Shinzaki, Seigo Igaki, Fumio Yamagishi, Hiroyuki Ikeda: Biological detecting system and fingerprint collating system employing same. Fujitsu, Staas & Halsey, December 31, 1991: US05077803 (87 worldwide citation)

A biological detecting system comprising a light source; a condensing optical system for condensing a light beam from the light source and irradiating the surface of a sample to be detected with a spot of light, an imaging optical system for condensing light reflected or scattered by an irradiated p ...


60
Carter K Reh, Edward Robak: TV/LCD pop-up stowage retraction means. Sony Trans Com, Blakely Sokoloff Taylor & Zafman, December 31, 1991: US05076524 (86 worldwide citation)

An armrest that has a plurality of telescopic trays that collapse to allow a viewing device to be retracted from a stowing compartment within the armrest. The telescopic trays can then be rolled back while the viewing device is displayed, allowing the passenger to utilize both the monitor and the tr ...