1
David C Baker, David F Bantz, Gregory A Flurry: Method and apparatus for wireless cursor position control. International Business Machines Corporation, George E Clark, Alexander Tognino, March 25, 1986: US04578674 (196 worldwide citation)

A method and apparatus for wireless cursor position control is disclosed herein. The apparatus comprises a wireless cursor position device and a separate control base whereby the direction and velocity of motion of the position device is monitored by the control base and used said direction and velo ...


2
Norman G Ainslie, Vlasta A Brusic, Daniel W Chapman, Lubomyr T Romankiw, Richard K Wilmer: Thin film magnetic read-write head/arm assemblies. International Business Machines Corporation, Alexander Tognino, Philip J Feig, December 6, 1988: US04789914 (84 worldwide citation)

A thin film magnetic read/write head/arm assembly and method of manufacturing the same is disclosed herein. Contact soldering of the opposite to disk side of the read/write head to a cable in laminate relationship to the suspension arm, or a polyimide strip with conductors deposited thereon provides ...


3
Jean Claude A Chastang, Walter W Hildenbrand, Menachem Levanoni: Ultra-fast photometric instrument. International Business Machines Corporation, Graham S Jones II, Alexander Tognino, April 29, 1986: US04585348 (81 worldwide citation)

This is a static photometric polarimeter for use with a sample S upon which a beam passed through a beam splitter (which reflects the beam to a detector D.sub.o) and which beam is 45.degree. polarized. The reflection of the beam from the surface of sample S is passed to a polarizing beam splitter wi ...


4
Seiki Ogura, Nivo Rovedo: Method for manufacturing a Bi-CMOS device. International Business Machines Corporation, Alexander Tognino, September 19, 1989: US04868135 (60 worldwide citation)

A method for fabricating a Bi-CMOS device is disclosed herein, which device can include both vertical PNP and NPN components. The process steps include forming the reach-through N+ subcollector to the bipolar device without extra processing steps; combining into one mask the threshold adjust/well im ...


5
Nathan S Caswell, Ifay F Chang: Light pen input system having two-threshold light sensing. International Business Machines Corporation, Ronald L Drumheller, Alexander Tognino, February 10, 1987: US04642459 (53 worldwide citation)

A fiber optic light pen has been adapted for high resolution use with an interactive display of a computer system. The body of the light pen, which is adapted to be hand held, includes a slightly movable tip for engaging a display screen. When so engaged, a screen sensor within the body signals to t ...


6
Kenneth P Rodbell, Paul A Totta, James F White: Multilayered intermetallic connection for semiconductor devices. International Business Machines Corporation, Jeffrey L Brandt, Alexander Tognino, December 10, 1991: US05071714 (43 worldwide citation)

A sputtered low copper concentration multilayered, device interconnect metallurgy structure is disclosed herein. The interconnect metallization structure comprises a sputtered aluminum-copper (<2) weight percent copper conductor. In the preferred embodiment, the AlCu conductor has formed on one or b ...


7
Hung Chang W Huang, Paul A Totta: Contact stud structure for semiconductor devices. International Business Machines Corporation, Alexander Tognino, Aziz M Ahsan, April 16, 1991: US05008730 (28 worldwide citation)

A method for forming contact studs to connect the substrate component devices to the overlying wiring patterns is disclosed herein. The contact studs are formed by a combination of blanket depositing an adhesive and reactive layer into the contact opening. Onto said adhesive and reactive layer is de ...


8
Sol Krongelb, Lubomyr T Romankiw, Robert A Scranton, David A Thompson: Structure to provide optical and capacitive contrast on magnetic recording disk. International Business Machines Corporation, Alexander Tognino, John J Goodwin, April 12, 1988: US04737877 (27 worldwide citation)

A magnetic recording disk is formed on a rigid aluminum substrate coated with a polymeric dielectric layer. A thin film metallic position-indicating track is applied to the upper surface of the dielectric layer. The dielectric material is coated with a magnetic recording medium. A thin film of alumi ...


9
Allen R Cox, Anthony C Lowe, John C Wood: Display cell with self-sealing, collapsing plug. International Business Machines Corporation, Alexander Tognino, August 4, 1987: US04684219 (25 worldwide citation)

An electro-optic display cell and method of making the same is disclosed herein. The display cell has an arrangement of display electrodes in contact with a liquid within a sealed enclosure. The enclosure comprises an impervious transparent cover and a rigid structural wall member. A seal between th ...


10
John J DeFazio, Timothy G McNamara: High performance clock system error detection and fault isolation. International Business Machines Corporation, Alexander Tognino, Wesley DeBruin, January 24, 1989: US04800564 (25 worldwide citation)

A method and apparatus for fault testing a clock distribution network for A.C. and D.C. faults. The fault testing apparatus includes test latch circuit means and is adapted to initially test for D.C. (stuck) faults and to thereafter continuously monitor a plurality of clock signal lines to detect A. ...