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41. 发明授权

US06179953B2 Method for making electronic circuits having NiAl and Ni3Al substrates 失效
标题翻译：制造具有NiAl和Ni3Al基板的电子电路的方法
公开(公告)号：US06179953B2
公开(公告)日：2001-01-30
申请号：US09260124
申请日：1999-03-02
申请人： Seetharama C. Deevi , Vinod K. Sikka
发明人： Seetharama C. Deevi , Vinod K. Sikka
IPC分类号： B32B3100
CPC分类号： H05K1/053
摘要： A method for making electronic circuit component having improved mechanical properties and thermal conductivity comprises steps of providing NiAl and/or Ni3Al, and forming an alumina layer thereupon prior to applying the conductive elements. Additional layers of copper-aluminum alloy or copper further improve mechanical strength and thermal conductivity.
摘要翻译：制造具有改善的机械性能和导热性的电子电路部件的方法包括提供NiAl和/或Ni 3 Al的步骤，并且在施加导电元件之前形成氧化铝层。铜铝合金或铜的附加层进一步提高机械强度和导热性。

42. 发明授权

US6033623A Method of manufacturing iron aluminide by thermomechanical processing of elemental powders 失效
标题翻译：通过元素粉末的热机械加工制造铁铝化物的方法
公开(公告)号：US6033623A
公开(公告)日：2000-03-07
申请号：US679341
申请日：1996-07-11
申请人： Seetharama C. Deevi , A. Clifton Lilly, Jr. , Vinod K. Sikka , Mohammed R. Hajaligol
发明人： Seetharama C. Deevi , A. Clifton Lilly, Jr. , Vinod K. Sikka , Mohammed R. Hajaligol
IPC分类号： B21B3/00 , B22F3/10 , B22F3/24 , C21D6/00 , C22C1/04 , C22C33/02 , C22C38/00 , C22C38/06 , C22C38/54 , B22F3/18
CPC分类号： C22C33/0278 , C22C1/0491 , C22C38/06 , B22F2998/00 , B22F2998/10
摘要： A powder metallurgical process of preparing iron aluminide useful as electrical resistance heating elements having improved room temperature ductility, electrical resistivity, cyclic fatigue resistance, high temperature oxidation resistance, low and high temperature strength, and/or resistance to high temperature sagging. The iron aluminide has an entirely ferritic microstructure which is free of austenite and can include, in weight %, 20 to 32% Al, and optional additions such as .ltoreq.1% Cr, .gtoreq.05% Zr or ZrO.sub.2 stringers extending perpendicular to an exposed surface of the heating element, .ltoreq.2% Ti, .ltoreq.2% Mo, .ltoreq.1% Zr, .ltoreq.1% C, .ltoreq.0.1% B, .ltoreq.30% oxide dispersoid and/or electrically insulating or electrically conductive covalent ceramic particles, .ltoreq.1 % rare earth metal, .ltoreq.1% oxygen, and/or .ltoreq.3% Cu. The process includes forming a mixture of aluminum powder and iron powder, shaping the mixture into an article such as by cold rolling the mixture into a sheet, and sintering the article at a temperature sufficient to react the iron and aluminum powders and form iron aluminide. The sintering can be followed by hot or cold rolling to reduce porosity created during the sintering step and optional annealing steps in a vacuum or inert atmosphere.
摘要翻译：具有改善的室温延展性，电阻率，耐循环疲劳性，高温抗氧化性，低温高温强度和/或耐高温下垂性的电阻加热元件的制备铁铝化物的粉末冶金方法。铁铝化物具有完全不含奥氏体的铁素体组织，并且可以以重量％计包含20至32％的Al和任选的添加物，例如垂直延伸的 / = 05％Zr或ZrO2桁条加热元件的暴露表面，

43. 发明授权

US5965274A Electronic circuits having NiAl and Ni.sub.3 Al substrates 失效
标题翻译：具有NiAl和Ni3Al基板的电子电路
公开(公告)号：US5965274A
公开(公告)日：1999-10-12
申请号：US969665
申请日：1997-11-13
申请人： Seetharama C. Deevi , Vinod K. Sikka
发明人： Seetharama C. Deevi , Vinod K. Sikka
IPC分类号： H05K1/05 , B32B15/04
CPC分类号： H05K1/053
摘要： An electronic circuit component having improved mechanical properties and thermal conductivity comprises NiAl and/or Ni.sub.3 Al, upon which an alumina layer is formed prior to applying the conductive elements. Additional layers of copper-aluminum alloy or copper further improve mechanical strength and thermal conductivity.
摘要翻译：具有改善的机械性能和导热性的电子电路部件包括NiAl和/或Ni 3 Al，在施加导电元件之前，在其上形成氧化铝层。铜铝合金或铜的附加层进一步提高机械强度和导热性。

44. 发明授权

US5443560A Chemical heat source comprising metal nitride, metal oxide and carbon 失效
标题翻译：化学热源包括金属氮化物，金属氧化物和碳
公开(公告)号：US5443560A
公开(公告)日：1995-08-22
申请号：US990126
申请日：1992-12-14
申请人： Seetharama C. Deevi , Bruce D. Losee, Jr.
发明人： Seetharama C. Deevi , Bruce D. Losee, Jr.
IPC分类号： A24F47/00 , A24B15/16 , C01B21/06 , C09K5/00 , C09K5/16 , A24B15/00
CPC分类号： A24B15/165 , C09K5/16
摘要： A chemical heat source comprising metal nitride, metal oxide and carbon, particularly useful in smoking articles, and methods of making the heat source are provided. The metal nitride of the heat source has an ignition temperature substantially lower than conventional carbonaceous heat sources, while at the same time provides sufficient heat to release a flavored aerosol from a flavor bed for inhalation by the smoker. Upon combustion the heat source produces virtually no carbon monoxide. The metal nitride is prepared by pre-forming the starting materials into a desired shape, and converting them to metal nitride in situ, without substantially altering the shape of the starting materials.
摘要翻译：提供了包括金属氮化物，金属氧化物和碳的化学热源，特别适用于吸烟制品，以及制造热源的方法。热源的金属氮化物具有明显低于常规含碳热源的点火温度，同时提供足够的热量以从香味床上释放由吸烟者吸入的调味气溶胶。在燃烧时，热源几乎不产生一氧化碳。金属氮化物通过将原料预成型为所需形状并将其原位转化为金属氮化物而基本上不改变起始材料的形状来制备。

45. 发明申请

US20100215544A1 HANDHELD MICROCANTILEVER-BASED SENSOR FOR DETECTING TOBACCO-SPECIFIC NITROSAMINES 审中-公开
标题翻译：用于检测烟草特异性硝基苯胺的手持式麦克风传感器
公开(公告)号：US20100215544A1
公开(公告)日：2010-08-26
申请号：US12769338
申请日：2010-04-28
申请人： Seetharama C. Deevi , Fang Tian
发明人： Seetharama C. Deevi , Fang Tian
IPC分类号： B01J19/00 , H01L41/22
CPC分类号： G01N29/022 , G01N33/0047 , G01N2291/0255 , G01N2291/0256 , Y10T436/170769
摘要： A method and system for detecting tobacco-specific nitrosamines. The method includes exposing at least one microcantilever beam to a medium, which may contain tobacco-specific nitrosamines, and measuring a deflection of the microcantilever beam, wherein the deflection indicates a presence of tobacco-specific nitrosamines in the medium. The at least one microcantilever beam can include a silicon base layer and a gold-coated receptor layer with a plurality of thiol molecules having a sulfur head and carboxyl-terminated group. The at least one microcantilever beam can include a silicon base layer and a metal or metal oxide coated receptor layer. Alternatively, the microcantilever beam can be formed by co-absorbing tobacco-specific nitrosamines and silane molecules on a silicon microcantilever surface, wherein the template molecules of tobacco-specific nitrosamines physically co-adsorb between the silane molecules. The template molecules of tobacco-specific nitrosamines are then washed away with a solvent to form a silane monolayer having tobacco-specific nitrosamine cavities.
摘要翻译：一种用于检测烟草特异性亚硝胺的方法和系统。该方法包括将至少一个微悬臂梁暴露于介质中，该培养基可含有烟草特异性亚硝胺，并测量微悬臂梁的挠曲，其中偏转指示介质中烟草特异性亚硝胺的存在。所述至少一个微悬臂梁可以包括具有硫头和羧基封端基团的多个硫醇分子的硅基层和金涂覆的受体层。所述至少一个微悬臂梁可以包括硅基层和金属或金属氧化物涂覆的受体层。或者，可以通过在硅微悬臂梁表面上共同吸收烟草特异性亚硝胺和硅烷分子来形成微悬臂梁，其中烟草特异性亚硝胺的模板分子物理共吸附在硅烷分子之间。然后用溶剂洗涤烟草特异性亚硝胺的模板分子以形成具有烟草特异性亚硝胺腔的硅烷单层。

46. 发明授权

US07413725B2 Copper and/or zinc alloy nanopowders made by laser vaporization and condensation 有权
标题翻译：通过激光蒸发和冷凝制成的铜和/或锌合金纳米粉末
公开(公告)号：US07413725B2
公开(公告)日：2008-08-19
申请号：US10915693
申请日：2004-08-11
申请人： M. Samy El-Shall , Sarojini Deevi , Yezdi B. Pithawalla , Seetharama C. Deevi , A. Clifton Lilly, Jr.
发明人： M. Samy El-Shall , Sarojini Deevi , Yezdi B. Pithawalla , Seetharama C. Deevi , A. Clifton Lilly, Jr.
IPC分类号： C01G9/02 , C01G11/02 , C01G13/02 , B01J23/00 , B01J23/70
CPC分类号： B82Y30/00 , B01J23/80 , B01J35/0013 , B22F9/12 , B22F2999/00 , C23C14/14 , C23C14/28 , B22F2202/11
摘要： A method of making Cu, Zn, and/or Cu/Zn alloy nanoparticles subjects one or more targets to laser energy to form a vapor and condenses the vapor to form nanoparticles having an average particle size of less than 20 nm. The optional application of an electric field results in nanoparticles with aspect ratios greater than 1.0. The target(s) can be a single target or separate targets comprising a mixture of copper, zinc, and/or copper/zinc. When separate targets are used, the laser beam can be split to form two separate beams each of which is made incident upon one of the targets. The nanoparticles can be formed in a chamber having an inert atmosphere or a reactive atmosphere and a convection current is created in the chamber by maintaining the top plate at a lower temperature than the bottom plate.
摘要翻译：一种制备Cu，Zn和/或Cu / Zn合金纳米颗粒的方法使一个或多个靶发生激光能量以形成蒸气并使蒸气冷凝以形成平均粒度小于20nm的纳米颗粒。电场的可选应用导致长宽比大于1.0的纳米颗粒。靶可以是单个靶或包含铜，锌和/或铜/锌的混合物的单独靶。当使用单独的目标时，激光束可以被分割以形成两个单独的光束，每个光束入射到其中一个目标上。纳米颗粒可以在具有惰性气氛或反应性气氛的室中形成，并且通过将顶板保持在低于底板的温度下而在室中产生对流。

47. 发明授权

US06830676B2 Coking and carburization resistant iron aluminides for hydrocarbon cracking 有权
标题翻译：用于碳氢化合物开裂的焦化和渗碳的铁铝化物
公开(公告)号：US06830676B2
公开(公告)日：2004-12-14
申请号：US09876917
申请日：2001-06-11
申请人： Seetharama C. Deevi
发明人： Seetharama C. Deevi
IPC分类号： C10G916
CPC分类号： B01J19/02 , B01J8/067 , B01J19/0026 , B01J23/06 , B01J2219/00247 , B01J2219/0236 , B01J2219/024 , C10G9/203 , C10G11/00 , C23C4/16 , C23C24/08 , C23C26/00 , C23C28/00 , C23C28/023 , Y10S585/92
摘要： A cracking tube includes a lining of a fouling resistant and corrosion resistant iron aluminide alloy. The iron aluminide alloy can include 14-32 wt. % Al, at least 2 vol. % transition metal oxides, 0.003 to 0.020 wt. % B, 0.2 to 2.0 wt. % Mo, 0.05 to 1.0 wt. % Zr, 0.2 to 2.0 wt. % Ti, 0.10 to 1.0 wt. % La, 0.05 to 0.2 wt. % C., balance Fe, and optionally ≦1 wt. % Cr, and the coefficient of thermal expansion of the iron aluminide alloy is substantially the same as the coefficient of thermal expansion over the temperature range of ambient to about 1200° C. of an outer metal layer. A cracking tube utilizing the iron aluminide alloy can be formed from powders of the iron aluminide alloy by consolidation methods including cold isostatic pressing (CIP), hot isostatic pressing (HIP), reaction synthesis, spraying techniques, or co-extrusion with a second material of the cracking tube.
摘要翻译：裂解管包括防结垢和耐腐蚀的铁铝化合物的衬里。铁铝化合物可以包括14-32wt。％Al，至少2体积％％过渡金属氧化物，0.003至0.020重量％％B，0.2〜2.0重量％％Mo，0.05〜1.0wt。％Zr，0.2〜2.0重量％％Ti，0.10〜1.0wt。％La，0.05〜0.2wt。％C，余量为Fe，任选地<= 1wt。％Cr，并且铁铝化合物合金的热膨胀系数与外部金属层的环境温度至约1200℃的温度范围内的热膨胀系数基本相同。使用铁铝化物合金的裂解管可以通过包括冷等静压（CIP），热等静压（HIP），反应合成，喷涂技术或与第二材料共挤出的固结方法由铁铝化物合金的粉末形成的裂化管。

48. 发明授权

US06746508B1 Nanosized intermetallic powders 有权
标题翻译：纳米金属间化合物粉末
公开(公告)号：US06746508B1
公开(公告)日：2004-06-08
申请号：US10110534
申请日：2002-07-18
申请人： Seetharama C. Deevi , A. Clifford Lilly, Jr.
发明人： Seetharama C. Deevi , A. Clifford Lilly, Jr.
IPC分类号： B22F100
CPC分类号： B82Y30/00 , B22F1/0018 , B22F2998/00 , B82Y25/00 , C22C1/0491 , G06K1/125 , G06K19/12 , H01F1/0063 , H05B3/12 , H05B2203/013 , H05B2203/017 , Y10S977/777 , B22F9/12 , B22F9/30
摘要： Nanoparticles of intermetallic alloys such as FeAl, Fe3Al, NiAl, TiAl and FeCoV exhibit a wide variety of interesting structural, magnetic, catalytic, resistive and electronic, and bar coding applications. The nanosized powders can be used to make structural parts having enhanced mechanical properties, magnetic parts having enhanced magnetic saturation, catalyst materials having enhanced catalytic activity, thick film circuit elements having enhanced resolution, and screen printed images such as magnetic bar codes having enhanced magnetic properties. In contrast to bulk FeAl materials which are nonmagnetic at room temperature, the FeAl nanoparticles exhibit magnetic properties at room temperature.
摘要翻译：金属间合金如FeAl，Fe3Al，NiAl，TiAl和FeCoV的纳米颗粒显示出各种有趣的结构，磁性，催化，电阻和电子以及条形码应用。纳米尺寸粉末可用于制造具有增强的机械性能的结构部件，具有增强的磁饱和度的磁性部件，具有增强的催化活性的催化剂材料，具有增强的分辨率的厚膜电路元件以及具有增强的磁性能的诸如磁条的丝网印刷图像。与在室温下非磁性的体积FeAl材料相反，FeAl纳米颗粒在室温下显示磁性。

49. 发明授权

US06685882B2 Iron-cobalt-vanadium alloy 失效
标题翻译：铁 - 钴 - 钒合金
公开(公告)号：US06685882B2
公开(公告)日：2004-02-03
申请号：US09757625
申请日：2001-01-11
申请人： Seetharama C. Deevi , Rangaraj S. Sundar , Dwadasi H. Sastry
发明人： Seetharama C. Deevi , Rangaraj S. Sundar , Dwadasi H. Sastry
IPC分类号： C22C3710
CPC分类号： H01F1/147 , B22F2003/248 , B22F2998/00 , B22F2998/10 , C22C1/0433 , C22C19/07 , C22C33/0285 , C22C38/10 , C22C38/105 , C22C38/12 , H01F1/14716 , B22F5/006 , C22C1/1084 , B22F3/115 , B22F3/18 , B22F3/24 , B22F3/10
摘要： A high strength soft magnetic Fe−Co−V alloy, comprising, in weight %, (Fe+Co)≧88%, (Fe−Co)≧2% or (Co−Fe)≧2%, at least 30% Co, and satisfying one of the following three conditions: (1) 0.05 to 4% Mo and 1.5 to 10% V, or (2) (Fe−Co) or (C0−Fe)≦13 and at least 4% V, or (3) at least 7% V. Additional alloying constituents, including B, C, Nb, Ti, W and Ni can be present.
摘要翻译：（Fe + Co）> = 88％，（Fe-Co）> = 2％或（Co-Fe）> = 2％的高强度软磁性Fe-Co-V合金，至少 30％Co，满足以下三个条件之一：（1）0.05〜4％的Mo和1.5〜10％的V，或（2）（Fe-Co）或（C0-Fe）= 13，至少4 ％V，或（3）至少7％V。可以存在附加合金成分，包括B，C，Nb，Ti，W和Ni。

50. 发明授权

US06506338B1 Processing of iron aluminides by pressureless sintering of elemental iron and aluminum 有权
标题翻译：通过无碱烧结元素铁和铝加工铁铝
公开(公告)号：US06506338B1
公开(公告)日：2003-01-14
申请号：US09549668
申请日：2000-04-14
申请人： Shalva Gedevanishvili , Seetharama C. Deevi
发明人： Shalva Gedevanishvili , Seetharama C. Deevi
IPC分类号： B22F312
CPC分类号： C22C33/0278 , C22C1/0491
摘要： A pressureless sintering process for producing FeAl wherein the heating rate is controlled in a manner which minimizes expansion of a mixture of elemental powders of iron and aluminum. During the process, the heating rate is maintained below 1° C./min to minimize the volume expansion during the formation of the intermediate phase Fe2Al5. As a result of the process, the final density can be increased up to 95% of the theoretical density. The sequence of phases formed during the heating of Fe+Al mixture were identified by X-ray diffraction, optical microscopy, SEM and along with DSC data were correlated to the expansion and shrinkage behavior of the samples.
摘要翻译：一种用于生产FeAl的无压烧结方法，其中加热速率以最小化铁和铝的元素粉末的混合物的膨胀的方式进行控制。在该过程中，加热速率保持在1℃/分钟以下，以最小化形成中间相Fe2Al5期间的体积膨胀。作为该方法的结果，最终密度可以增加到理论密度的95％。通过X射线衍射，光学显微镜，SEM和DSC数据鉴定Fe + Al混合物加热过程中形成的相序，与样品的膨胀和收缩行为相关。

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