+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + NASA Center + Publication Year + Subject + Availability Options + Item/Media Type Selected Navigations: Author > Dutta, S. [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 31 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order 1 2 3 4 Next  Laser assisted deposition Author(s): Dutta, S. Abstract: Applications of laser-based processing techniques to solar cell metallization are discussed. Laser-assisted thermal or photolytic maskless deposition from organometallic vapors or solutions may provide a viable alternative ... NASA Center: NASA (non Center Specific) Publication Year: 1983 Added to NTRS: 2008-10-06 Accession Number: 84N21998; Document ID: 19840013930 Frequency-offset insensitive digital modem techniques Author(s): Dutta, S.; Nicholas, D. C. Abstract: Conventional DPSK systems are adversely affected by transmitter/receiver frequency offsets due to frequency reference errors and Doppler shifts. Two DPSK modem concepts are presented which avoid the long frequency ... NASA Center: NASA (non Center Specific) Publication Year: 1990 Added to NTRS: 2008-06-01 Accession Number: 92N24175; Document ID: 19920014932 Laser-assisted solar-cell metallization processing Author(s): Dutta, S. Abstract: A photolytic metal deposition system using a focused continuous wave ultraviolet laser, a photolytic metal deposition system using a mask and ultraviolet flood illumination, and a pyrolytic metal deposition system using a ... NASA Center: NASA (non Center Specific) Publication Year: 1984 Added to NTRS: 2005-11-04 Accession Number: 85N32429; Document ID: 19850024116 Si3N4-Based Ceramic With Greater Hot Strength Author(s): Dutta, S.; Buzek, B. Abstract: Zyttrite-doped material outperforms MgO-doped material above 1,200 degrees C. New ceramic material produced by addition of 10 weight percent zyttrite (yttria-stabilized zirconia) to (silicon nitride) offers ... NASA Center: Glenn Research Center Publication Year: 1986 Added to NTRS: 2005-09-30 Accession Number: 86B10128; Document ID: 19860000128; Report Number: LEW-14193 Metalizing Solar Cells by Selective Electroplating Author(s): Dutta, S.; Palaschak, P. A. Abstract: Contact patterns traced by laser scanning. Conductor paths deposited on silicon solar-cell wafers by laser irradiation followed by electroplating. Laser-assisted metalization technique offers better resolution and lower ... NASA Center: Jet Propulsion Laboratory Publication Year: 1986 Added to NTRS: 2005-09-30 Accession Number: 86B10190; Document ID: 19860000190; Report Number: NPO-16600 "SiAION" Materials for Advanced Structural Applications Author(s): Dutta, S. Abstract: New ceramics for gas turbines and other applications are strong, oxidation resistant, and chemically stable. Recently prepared state-of-the-art report on SiAION materials includes work on phase relations, crystal structure, ... NASA Center: Glenn Research Center Publication Year: 1982 Added to NTRS: 2005-09-30 Accession Number: 81B10173; Document ID: 19810000173; Report Number: LEW-13671 State-of-the-art of SiAlON materials Author(s): Dutta, S. Abstract: The state of the art of 'SiAlONs' is reviewed, noting that the term has become a generic one applied to Si3N4 based materials. Attention is given to work on phase relations, crystal structure, synthesis, fabrication, and ... NASA Center: Glenn Research Center Publication Year: 1979 Added to NTRS: 2004-11-03 Accession Number: 80A13066; Document ID: 19800028896 State-of-the-art SiAlON materials Author(s): Dutta, S. Abstract: The state of the art of SiAlONs is examined. The review includes work on phase relations, crystal structure, synthesis, fabrication, and properties of various SiAlONs. The essential features of compositions, fabrication ... NASA Center: Glenn Research Center Publication Year: 1980 Added to NTRS: 2004-11-03 Accession Number: 80N29358; Document ID: 19800020857 Pressureless sintered beta prime-Si3N4 solid solution: Fabrication, microstructure, and strength Author(s): Dutta, S. Abstract: Si3N4, AlN, and Al2O3 were used as basic constituents in a study of the pressureless sintering of beta prime-Si3N4 solid solution as a function of temperature. Y2O3-SiO2 additions were used to promote liquid-phase sintering. ... NASA Center: Glenn Research Center Publication Year: 1977 Added to NTRS: 2004-11-03 Accession Number: 78N29245; Document ID: 19780021302; Report Number: NASA-TM-78950 Laser-assisted solar cell metallization processing Author(s): Dutta, S. Abstract: Laser-assisted processing techniques utilized to produce the fine line, thin metal grid structures that are required to fabricate high efficiency solar cells are examined. Two basic techniques for metal deposition are ... NASA Center: Jet Propulsion Laboratory Publication Year: 1984 Added to NTRS: 2004-11-03 Accession Number: 84N29354; Document ID: 19840021285; Report Number: DOE/JPL-956615-84/1, DRD-SE5, DRL-203, NAS 1.26:173764, NASA-CR-173764 1 2 3 4 Next  + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007