Patents Represented by Attorney Joseph G. Walsh

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  • Ultra-violet lithographic resist composition and process
    Patent number: 4339522
    Abstract: Phenolic-aldehyde resins sensitized with Meldrum's diazo or a homologue thereof are useful as lithographic resists sensitive to deep ultra-violet light.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: July 13, 1982
    Assignee: International Business Machines Corporation
    Inventors: Richard D. Balanson, Nicholas J. Clecak, Barbara D. Grant, Augustus C. Ouano
  • Acetylene terminated, branched polyphenylene resist and protective coating for integrated circuit devices
    Patent number: 4339526
    Abstract: A protective coating is formed on an integrated circuit device by coating the device with a solution of acetylene terminated, branched polyphenylene prepolymer material and heating the material to form a thermoset crosslinked polymer layer. Selectively patterned portions may be provided when, after the coating step and prior to the heating step, the steps of imagewise exposure to radiation and rinsing with an organic solvent are carried out.
    Type: Grant
    Filed: June 24, 1981
    Date of Patent: July 13, 1982
    Assignee: International Business Machines Corporation
    Inventors: Arnold I. Baise, George Czornyj, Anthony W. Wu
  • Class of E-beam resists based on conducting organic charge transfer salts
    Patent number: 4338392
    Abstract: Novel E-beam resists and process for their use are described. These resists are conducting organic charge transfer salts. Films of these materials can be deposited by solvent casting or by sublimation. The deposited film can be made to produce a positive or negative resist image depending on the E-beam energy and exposure time. Exposure of this material to an E-beam produces patterns having differential electrical, optical and solvation properties.
    Type: Grant
    Filed: July 28, 1981
    Date of Patent: July 6, 1982
    Assignee: International Business Machines Corporation
    Inventors: Edward M. Engler, John D. Kuptsis, Robert G. Schad, Yaffa Tomkiewicz
  • Etching process with vibrationally excited SF.sub.6
    Patent number: 4331504
    Abstract: A substrate which forms a volatile fluoride is etched and directionality is achieved using vibrationally excited SF.sub.6 which has been exposed to laser irradiation. The substrate is etched through a mask having openings smaller than the diffraction limit of the laser light.
    Type: Grant
    Filed: June 25, 1981
    Date of Patent: May 25, 1982
    Assignee: International Business Machines Corporation
    Inventors: Tung J. Chuang, John W. Coburn, Eric Kay
  • Electrochromic recording paper
    Patent number: 4309255
    Abstract: A medium for electrochromic recording is provided by treating paper with a water soluble leuco methylene blue compound having the formula ##STR1## wherein R is a sulfonated aromatic or sulfonated aliphatic moiety.
    Type: Grant
    Filed: September 10, 1980
    Date of Patent: January 5, 1982
    Assignee: International Business Machines Corporation
    Inventors: Paul L. Gendler, Barbara D. Grant, Clinton D. Snyder
  • Rub resistant ribbon for non-impact printing
    Patent number: 4308318
    Abstract: A ribbon for non-impact printing comprising an electrically conductive substrate and a transfer layer which comprises a polymerized fatty acid polyamide.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: December 29, 1981
    Assignee: International Business Machines Corporation
    Inventor: William J. Weiche
  • Tear resistant ribbon for non-impact printing
    Patent number: 4291994
    Abstract: The present invention is concerned with a ribbon for non-impact printing. The ribbon comprises a transfer coating and a substrate containing resin which is a mixture of from 50% to 90% by weight polycarbonate and from 50% to 10% by weight of a block copolymer of bis-phenol A Carbonate and dimethyl siloxane, and containing from about 15% to about 40% by weight of the resin of electrically conductive carbon black.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: September 29, 1981
    Assignee: International Business Machines Corporation
    Inventors: Thor L. Smith, William J. Weiche
  • Process for forming microcircuits
    Patent number: 4289573
    Abstract: The resistance of a resist of plasma etching is enhanced by first cross-linking the resist and then contacting it with an aqueous solution of NaOH or KOH. The process is useful to form microcircuits having increased density of geometry.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: September 15, 1981
    Assignee: International Business Machines Corporation
    Inventors: James Economy, James R. Lyerla, Lester A. Pederson
  • Formulations for ink jet printing
    Patent number: 4286989
    Abstract: An ink for use in ink jet printing has as its coloring material a dye having the formula: ##STR1## where R is --OCH.sub.2 CO.sub.2.sup.-, --CH.sub.2 CO.sub.2.sup.-, --PO.sub.3.sup.= or --CH.sub.2 --PO.sub.3.sup.=.
    Type: Grant
    Filed: September 30, 1980
    Date of Patent: September 1, 1981
    Assignee: International Business Machines Corporation
    Inventors: Leo J. Kadehjian, Harbans S. Sachdev, Clinton D. Snyder
  • Polymerizable acetylenic oligomers
    Patent number: 4273906
    Abstract: Soluble, polymerizable oligomers having a number average molecular weight of from about 200 to about 10,000, are obtained by treating triethynylbenzene with an oxygen-carrying, amine-basic cupric salt complex catalyst in the presence of a molar excess over the monomer of an aromatic monacetylenic capping agent. The oligomers are used to form polymers which are adhesives and coatings.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: June 16, 1981
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Mary Ann Flandera
  • Synthesis of polyamic acid
    Patent number: 4269968
    Abstract: Polyamic acid having greatly increased adhesive ability is prepared by compacting a solid aromatic dianhydride to reduct its surface area to weight ratio and reacting the compacted dianhydride with a solution of an organic diamine in an inert non-aqueous solvent.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: May 26, 1981
    Assignee: International Business Machines Corporation
    Inventors: John Duran, Leo Missel, Thomas O. Montelbano
  • Polyester ribbon for non-impact printing
    Patent number: 4269892
    Abstract: The present invention is concerned with a ribbon for non-impact printing. The ribbon comprises a transfer coating and a substrate which is a polyester resin containing from about 15% to about 40% by weight of electrically conductive carbon black.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: May 26, 1981
    Assignee: International Business Machines Corporation
    Inventors: Meredith D. Shattuck, William J. Weiche
  • Organic fillers for elastomers
    Patent number: 4258146
    Abstract: Organic prepolymer fillers capable of curing and reacting chemically with elastomers to form covalent bonds therewith are mixed with elastomers to form reinforcing domains with diameters of from 0.01 to about 50 microns, and when the mixture is cured, the mechanical strength of the elastomer is increased. In many cases, the thermal stability and/or the hydrolytic stability will also be increased.
    Type: Grant
    Filed: September 28, 1979
    Date of Patent: March 24, 1981
    Assignee: International Business Machines Corporation
    Inventors: Richard D. Balanson, James Economy, Samuel J. Huang, Thor L. Smith
  • Preparation of continuous films of diacetylenic polymers
    Patent number: 4258079
    Abstract: Continuous films are formed on a substrate by coating said substrate with a solution of a diacetylenic prepolymer in a liquid phenylacetylene solvent and reacting the solvent with the prepolymer.
    Type: Grant
    Filed: December 13, 1979
    Date of Patent: March 24, 1981
    Assignee: International Business Machines Corporation
    Inventors: James Economy, Mary Ann Flandera, Cheng-Yih Liu
  • Projection display device
    Patent number: 4249796
    Abstract: A projection display device is provided in which variation in the index of refraction is used to modulate attenuated total reflection.
    Type: Grant
    Filed: June 21, 1979
    Date of Patent: February 10, 1981
    Assignee: International Business Machines Corporation
    Inventors: Glenn T. Sincerbox, Joseph G. Gordon, II
  • Extended life electrochromic display cell
    Patent number: 4240714
    Abstract: The life of an electrochromic display cell is extended by providing it with a reservoir containing an electrochromic solution. The electrochromic display cell comprises a front electrode which is transparent, a back electrode in spaced relation to said front electrode, a display chamber containing an electrochromic solution positioned between said front and back electrodes and a reservoir containing said solution associated with said display chamber and adapted for the flow of said solution between said reservoir and said chamber.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: December 23, 1980
    Assignee: International Business Machines Corporation
    Inventor: Clayton V. Wilbur
  • Inks for ink jet printing
    Patent number: 4229219
    Abstract: Inks comprising crystal violet and the n-butyl ether of diethylene glycol exhibits great antimicrobial action and are particularly suited for use in ink jet printing.
    Type: Grant
    Filed: August 24, 1979
    Date of Patent: October 21, 1980
    Assignee: International Business Machines Corporation
    Inventor: Eric A. Metz
  • Electrolyte for electrochromic display device
    Patent number: 4187003
    Abstract: Improved performance is achieved in electrochromic display devices comprising an oxidation-reduction system and an electrolyte wherein the electrolyte comprises hypophosphite anions, phosphite anions, or both.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: February 5, 1980
    Assignee: International Business Machines Corporation
    Inventor: Donald J. Barclay
  • Electrophotographic developing process and compositions for use therein
    Patent number: 4187329
    Abstract: Wetting by toners of the surface of reusable photoconductors in electrophotographic processes results on image cycling in adhesion of the toner to the photoconductor surface to form a film. Such filming is reduced or eliminated by including in the developer a small amount of certain unpigmented organic polymeric materials having smaller particle size than the pigmented toner particles. Suitable organic polymers are fluorinated hydrocarbon polymers and copolymers, and polyethylene.
    Type: Grant
    Filed: February 3, 1971
    Date of Patent: February 5, 1980
    Assignee: International Business Machines Corporation
    Inventor: Walter Crooks
  • Stabilization process for aluminum microcircuits which have been reactive-ion etched
    Patent number: 4183781
    Abstract: Aluminum microcircuits which have been prepared by reactive-ion etching are stabilized against open circuits and short circuits by treating the microcircuits in an oxygen-containing atmosphere at a temperature of from about 200.degree. C. to about 450.degree. C.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: January 15, 1980
    Assignee: International Business Machines Corporation
    Inventors: Jerome M. Eldridge, Wen-yaung Lee, Geraldine C. Schwartz