中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

20 records (took 0.016 seconds)

    Treating materials with combined energy sources
    1.
    发明授权
    Treating materials with combined energy sources 有权

    公开(公告)号：US09605376B2

    公开(公告)日：2017-03-28

    申请号：US14138109

    申请日：2013-12-22

    Applicant: Pravin Mistry

    Inventor： Pravin Mistry

    IPC: B23K10/00 ,  D06M10/02 ,  D06M10/00

    CPC classification number: D06M10/025 ,  B23K10/00 ,  B23K26/348 ,  D06M10/005

    Abstract: Material treatment is effected in a treatment region by at least two energy sources, such as (i) an atmospheric pressure (AP) plasma and (ii) an ultraviolet (UV) laser directed into the plasma and optionally onto the material being treated. During processing, the material being treated may remain substantially at room temperature. Precursor materials may be dispensed before, and finishing material may be dispensed after treatment. Precursors may be combined in the plasma, allowing for in situ synthesis and dry treatment of the material. Electrodes (e1, e2) for generating the plasma may comprise two spaced-apart rollers which, when rotating, advance the material through a treatment region. Nip rollers adjacent the electrode rollers define a semi-airtight cavity, and may have a metallic outer layer. Loose fibers and fragile membranes may be supported on a carrier membrane, which may be doped. Individual fibers may be processed. Electrostatic deposition may be performed. Topographical changes may be effected. Various laser configurations and parameters are disclosed.

    Method of applying, sculpting, and texturing a coating on a substrate and for forming a heteroepitaxial coating on a surface of a substrate
    3.
    发明授权
    Method of applying, sculpting, and texturing a coating on a substrate and for forming a heteroepitaxial coating on a surface of a substrate 失效
    在基材上施加，雕刻和纹理化涂层并在基材表面上形成异质外延涂层的方法

    公开(公告)号：US5648127A

    公开(公告)日：1997-07-15

    申请号：US465589

    申请日：1995-06-05

    Applicant: Manuel C. Turchan ,  Pravin Mistry

    Inventor： Manuel C. Turchan ,  Pravin Mistry

    IPC: B81C99/00 ,  C23C14/06 ,  C23C14/22 ,  C23C14/28 ,  C23C16/26 ,  C23C16/27 ,  C23C16/44 ,  C23C26/00 ,  C30B23/02 ,  C30B25/10 ,  C30B25/18 ,  C08J7/18

    CPC classification number: C30B25/18 ,  C23C14/0605 ,  C23C14/22 ,  C23C14/28 ,  C23C16/26 ,  C23C16/27 ,  C23C16/4418 ,  C23C26/00 ,  C30B23/02 ,  C30B25/105 ,  F41A21/04 ,  F16C33/62 ,  Y10S427/103 ,  Y10S427/104

    Abstract: Energy, such as from one or more lasers, is directed at the surface of a substrate to mobilize and vaporize a constituent element (e.g., carbide) within the substrate (e.g., steel). The vaporized constituent element is reacted by the energy to alter its physical structure (e.g., from carbon to diamond) to that of a composite material which is diffused back into the substrate as a composite material. An additional secondary element, which can be the same as or different from the constituent element, may optionally be directed (e.g., sprayed) onto the substrate to augment, enhance and/or modify the formation of the composite material, as well as to supply sufficient or additional material for fabricating one or more coatings on the surface of the substrate. The process can be carried out in an ambient environment (e.g., without a vacuum), and without pre-heating or post-cooling of the substrate. Articles formed by the disclosed processes are described, including three-dimensional objects.

    Abstract translation: 诸如来自一个或多个激光器的能量被引导到衬底的表面以便移动和汽化衬底（例如钢）内的构成元件（例如，碳化物）。 蒸发的构成元素通过能量反应以改变其物理结构（例如，从碳到金刚石）到​​作为复合材料漫反射到基底中的复合材料的物理结构。 另外可以与构成元件相同或不同的次要元件可任选地被引导（例如喷涂）到基底上以增强，增强和/或改变复合材料的形成，以及供应 用于在衬底的表面上制造一个或多个涂层的足够的或附加的材料。 该方法可以在周围环境（例如，没有真空）中进行，并且不需要对基材进行预热或后冷却。 描述由所公开的方法形成的物品，包括三维物体。

    TREATING MATERIALS WITH COMBINED ENERGY SOURCES
    4.
    发明申请
    TREATING MATERIALS WITH COMBINED ENERGY SOURCES 有权
    用合并能源来处理材料

    公开(公告)号：US20140377476A1

    公开(公告)日：2014-12-25

    申请号：US14138109

    申请日：2013-12-22

    Applicant: Pravin Mistry

    Inventor： Pravin Mistry

    IPC: D06M10/02 ,  D06M10/00

    CPC classification number: D06M10/025 ,  B23K10/00 ,  B23K26/348 ,  D06M10/005

    Abstract: Material treatment is effected in a treatment region by at least two energy sources, such as (i) an atmospheric pressure (AP) plasma and (ii) an ultraviolet (UV) laser directed into the plasma and optionally onto the material being treated. During processing, the material being treated may remain substantially at room temperature. Precursor materials may be dispensed before, and finishing material may be dispensed after treatment. Precursors may be combined in the plasma, allowing for in situ synthesis and dry treatment of the material. Electrodes (e1, e2) for generating the plasma may comprise two spaced-apart rollers which, when rotating, advance the material through a treatment region. Nip rollers adjacent the electrode rollers define a semi-airtight cavity, and may have a metallic outer layer. Loose fibers and fragile membranes may be supported on a carrier membrane, which may be doped. Individual fibers may be processed. Electrostatic deposition may be performed. Topographical changes may be effected. Various laser configurations and parameters are disclosed.

    Abstract translation: 材料处理通过至少两种能量源（例如，（i）大气压（AP）等离子体和（ii）引导到等离子体中的紫外线（UV）激光和任选地被引导到待处理的材料上而在处理区域中进行。 在处理过程中，待处理的材料基本上可能保持在室温。 前体材料可以在之前分配，并且整理材料可以在处理后分配。 前体可以组合在等离子体中，允许原位合成和干燥处理材料。 用于产生等离子体的电极（e1，e2）可以包括两个间隔开的辊，当旋转时，辊将材料推进通过处理区域。 邻近电极辊的压辊定义了半气密腔，并且可以具有金属外层。 松散的纤维和脆性膜可以负载在可以掺杂的载体膜上。 可以处理各种纤维。 可以进行静电沉积。 地形变化可能会影响。 公开了各种激光器配置和参数。

    Method of treating and coating substrates
    5.
    发明授权
    Method of treating and coating substrates 失效
    处理和涂覆基材的方法

    公开(公告)号：US5620754A

    公开(公告)日：1997-04-15

    申请号：US184041

    申请日：1994-01-21

    Applicant: Manuel C. Turchan ,  Pravin Mistry

    Inventor： Manuel C. Turchan ,  Pravin Mistry

    IPC: B81C99/00 ,  C23C14/22 ,  C23C14/28 ,  C23C16/26 ,  C23C16/27 ,  C30B25/10 ,  B05D3/06 ,  C21D1/00

    CPC classification number: C23C16/27 ,  C23C14/22 ,  C23C14/28 ,  C23C16/26 ,  C30B25/105

    Abstract: Energy, such as from one or more lasers, is directed at the surface of a substrate to mobilize and vaporize a constituent element (e.g., carbide) within the substrate (e.g., steel). The vaporized constituent element is reacted by the energy to alter its physical structure (e.g., from carbon to diamond) to that of a composite material which is diffused back into the substrate as a composite material. An additional secondary element, which can be the same as or different from the constituent element, may optionally be directed (e.g., sprayed) onto the substrate to augment, enhance and/or modify the formation of the composite material, as well as to supply sufficient or additional material for fabricating one or more coatings on the surface of the substrate. The process can be carried out in an ambient environment (e.g., without a vacuum), and without pre-heating or post-cooling of the substrate.

    Abstract translation: 诸如来自一个或多个激光器的能量被引导到衬底的表面以便移动和汽化衬底（例如钢）内的构成元件（例如，碳化物）。 蒸发的构成元素通过能量反应以改变其物理结构（例如，从碳到金刚石）到​​作为复合材料漫反射到基底中的复合材料的物理结构。 另外可以与构成元件相同或不同的次要元件可任选地被引导（例如喷涂）到基底上以增强，增强和/或改变复合材料的形成，以及供应 用于在衬底的表面上制造一个或多个涂层的足够的或附加的材料。 该方法可以在周围环境（例如，没有真空）中进行，并且不需要对基材进行预热或后冷却。

    Method and apparatus for surface treatment of materials utilizing multiple combined energy sources
    7.
    发明授权
    Method and apparatus for surface treatment of materials utilizing multiple combined energy sources 有权
    利用多种组合能源对材料进行表面处理的方法和装置

    公开(公告)号：US09309619B2

    公开(公告)日：2016-04-12

    申请号：US13536257

    申请日：2012-06-28

    Applicant: Pravin Mistry ,  Jahr Turchan

    Inventor： Pravin Mistry ,  Jahr Turchan

    IPC: B23K9/00 ,  B23K9/02 ,  D06M10/02 ,  D06M10/00 ,  H05H1/34

    CPC classification number: D06M10/025 ,  B05D1/60 ,  B05D3/06 ,  B05D3/142 ,  B05D3/145 ,  D06M10/005 ,  H01H1/24 ,  H05H1/34

    Abstract: Material treatment is effected in a treatment region by at least two energy sources, such as (i) an atmospheric pressure plasma and (ii) an ultraviolet laser directed into the plasma and optionally onto the material being treated. Precursor materials may be dispensed before, and finishing material may be dispensed after treatment. Electrodes for generating the plasma may comprise two spaced-apart rollers. Nip rollers adjacent the electrode rollers define a semi-airtight cavity, and may have a metallic outer layer.

    Abstract translation: 材料处理在处理区域通过至少两种能量源进行，例如（i）大气压等离子体和（ii）引导到等离子体中的紫外线激光和任选地被引导到待处理的材料上。 前体材料可以在之前分配，并且整理材料可以在处理后分配。 用于产生等离子体的电极可以包括两个间隔开的辊。 邻近电极辊的压辊定义了半气密腔，并且可以具有金属外层。

    Laser approaches for diamond synthesis
    8.
    发明授权
    Laser approaches for diamond synthesis 失效
    用于金刚石合成的激光方法

    公开(公告)号：US06203865B1

    公开(公告)日：2001-03-20

    申请号：US09357621

    申请日：1999-07-20

    Applicant: Andrzej R. Badzian ,  Rustum N. Roy ,  Pravin Mistry ,  Manuel C. Turchan

    Inventor： Andrzej R. Badzian ,  Rustum N. Roy ,  Pravin Mistry ,  Manuel C. Turchan

    IPC: C23C1648

    CPC classification number: C23C16/27 ,  C23C16/483

    Abstract: A method for producing well-crystallized adherent diamond layers on WC—Co substrates. An array of focused laser beams is scanned across the WC—Co sample. Useful lasers include the excimer, YAG:Nd, and carbon dioxide types. The process is conducted in open air with carbon dioxide and nitrogen gases delivered for shrouding the substrate. A luminous plasma is found a few mm above the WC—Co insert. The duration of the deposition process in a typical case is approximately 40 s. This typically gives 20-40 &mgr;m thick coatings. The vertical growth rate is about 1 &mgr;m/s.

    Abstract translation: 一种用于在WC-Co基底上生产良好结晶的粘附金刚石层的方法。 在WC-Co样品上扫描聚焦激光束阵列。 有用的激光器包括准分子，YAG：Nd和二氧化碳类型。 该过程在露天进行，二氧化碳和氮气输送用于覆盖基材。 发现等离子体在WC-Co插入物上方几毫米。 在典型情况下，沉积过程的持续时间约为40秒。 这通常会给出20-40毫米厚的涂层。 垂直生长速度约为1mum / s。

    Brazing paste
    9.
    发明授权
    Brazing paste 失效
    钎焊膏

    公开(公告)号：US5964963A

    公开(公告)日：1999-10-12

    申请号：US465266

    申请日：1995-06-05

    Applicant: Manuel C. Turchan ,  Pravin Mistry ,  Shengzhong Liu

    Inventor： Manuel C. Turchan ,  Pravin Mistry ,  Shengzhong Liu

    IPC: B01J37/34 ,  B22F1/00 ,  B23K23/00 ,  B23K26/14 ,  B23K35/02 ,  B23K35/24 ,  B23K35/26

    CPC classification number: B82Y30/00 ,  B01J37/349 ,  B22F1/0018 ,  B23K23/00 ,  B23K26/144 ,  B23K35/0222 ,  B23K35/025 ,  B23K35/24 ,  B23K35/26 ,  B23K35/262 ,  B23K35/28 ,  B23K35/282 ,  B23K35/284 ,  B23K35/30 ,  B23K35/3006 ,  B23K35/3013 ,  B23K2201/001 ,  B23K2203/04 ,  B23K35/0244 ,  Y10S977/777

    Abstract: Thermal stresses normally associated with brazing are alleviated by a low temperature brazing technique of the present invention. A low-temperature brazing paste, preferably suitable to be melted at temperatures of no greater than 200.degree. C. (e.g., 100-200.degree. C.), containing nanoscale (.ltoreq.100 nanometer) size particles of gold, cadmium, copper, zinc, tin, lead, silver, silicon, chromium, cobalt, antimony, bismuth, aluminum, iron, magnesium, nitrogen, carbon, boron, and alloys and composites of these materials, is applied as a bead or as a powder spray at the junction of two components desired to be joined together. Energy from a source such as a laser beam (for example a CO.sub.2 laser, an Nd-Yag laser or an excimer laser), flame, arc, plasma, or the like, is "walked" along the brazing material. The energy beam is sufficient to cause melting and re-crystallization of the nanoscale-particle-containing brazing paste. In an exemplary application of the process, blades (vanes) are brazed to the housing and/or to the shroud of an automatic transmission impeller assembly, preferably using the low-temperature brazing paste containing nanoscale (.ltoreq.100 nanometer) size particles of gold, cadmium, copper and/or zinc, or other suitable nanoscale brazing materials.

    Abstract translation: 通过本发明的低温钎焊技术可以缓解通常与钎焊相关的热应力。 低温钎焊膏，优选适于在不超过200℃（例如，100-200℃）的温度下熔化，其含有纳米级（

    Formation of diamond materials by rapid-heating and rapid-quenching of carbon-containing materials
    10.
    发明授权
    Formation of diamond materials by rapid-heating and rapid-quenching of carbon-containing materials 失效
    通过快速加热和快速淬火含碳材料形成金刚石材料

    公开(公告)号：US5900225A

    公开(公告)日：1999-05-04

    申请号：US648355

    申请日：1996-05-14

    Applicant: Pravin Mistry ,  Shengzhong Liu

    Inventor： Pravin Mistry ,  Shengzhong Liu

    IPC: C01B31/06 ,  C30B1/00 ,  C30B1/02 ,  C30B29/04 ,  C30B29/02

    CPC classification number: C01B31/06 ,  C30B1/00 ,  C30B29/04

    Abstract: Diamond materials are formed by sandwiching a carbon-containing material in a gap between two electrodes. A high-amperage electric current is applied between the two electrode plates so as cause rapid-heating of the carbon-containing material. The current is sufficient to cause heating of the carbon-containing material at a rate of at least approximately 5,000.degree. C./sec, and need only be applied for a fraction of a second to elevate the temperature of the carbon-containing material at least approximately 1000.degree. C. Upon terminating the current, the carbon-containing material is subjected to rapid-quenching (cooling). This may take the form of placing one or more of the electrodes in contact with a heat sink, such as a large steel table. The carbon-containing material may be rapidly-heated and rapidly-quenched (RHRQ) repeatedly (e.g., in cycles), until a diamond material is fabricated from the carbon-containing material. The process is advantageously performed in an environment of a "shielding" (inert or non-oxidizing) gas, such as Argon (Ar), Helium (He), or Nitrogen (N.sub.2). In an embodiment of the invention, the carbon-containing material is polystyrene (e.g., a film) or glassy carbon (e.g., film or powder). In another embodiment of the invention, the carbon-containing material is a polymer, fullerene, amorphous carbon, graphite, or the like. In another embodiment of the invention, one of the electrodes is substrate upon which it is desired to form a diamond coating, and the substrate itself is used as one of the two electrodes. This would be useful for forming a thin-film diamond coating on a cutting tool insert.

    Abstract translation: 通过将含碳材料夹在两个电极之间的间隙中形成金刚石材料。 在两个电极板之间施加高电流电流，以使含碳材料快速加热。 该电流足以使至少约5,000℃/秒的速率加热含碳材料，并且仅需要施加一小时，以至少将含碳材料的温度升高至少 约1000℃。在终止电流时，对含碳材料进行快速淬火（冷却）。 这可以采取将一个或多个电极放置在与散热器（例如大型钢台）接触的形式。 可以重复地（例如，循环）将含碳材料快速加热并快速骤冷（RHRQ），直到由含碳材料制造金刚石材料。 该方法有利地在诸如氩（Ar），氦（He）或氮（N 2）的“屏蔽”（惰性或非氧化性）气体的环境中进行。 在本发明的一个实施方案中，含碳材料是聚苯乙烯（例如薄膜）或玻璃碳（例如薄膜或粉末）。 在本发明的另一个实施方案中，含碳材料是聚合物，富勒烯，无定形碳，石墨等。 在本发明的另一个实施例中，电极之一是需要形成金刚石涂层的衬底，并且衬底本身被用作两个电极之一。 这对于在切削工具刀片上形成薄膜金刚石涂层是有用的。

Patent Agency Ranking