公开(公告)号：US20060151871A1

公开(公告)日：2006-07-13

申请号：US11031435

申请日：2005-01-07

申请人： Vivek Mehrotra

发明人： Vivek Mehrotra

IPC分类号： H01L23/15 ,  H01L21/58

CPC分类号： H05K3/3463 ,  H01L23/3735 ,  H01L23/4924 ,  H01L24/29 ,  H01L24/32 ,  H01L24/33 ,  H01L24/45 ,  H01L24/48 ,  H01L24/49 ,  H01L24/73 ,  H01L24/83 ,  H01L25/072 ,  H01L25/18 ,  H01L2224/0401 ,  H01L2224/05639 ,  H01L2224/05644 ,  H01L2224/29101 ,  H01L2224/29109 ,  H01L2224/29111 ,  H01L2224/29144 ,  H01L2224/32014 ,  H01L2224/32225 ,  H01L2224/45124 ,  H01L2224/48091 ,  H01L2224/48137 ,  H01L2224/48227 ,  H01L2224/48472 ,  H01L2224/48739 ,  H01L2224/49 ,  H01L2224/73265 ,  H01L2224/81801 ,  H01L2224/83455 ,  H01L2224/8381 ,  H01L2224/83825 ,  H01L2924/01005 ,  H01L2924/01006 ,  H01L2924/01014 ,  H01L2924/01019 ,  H01L2924/01022 ,  H01L2924/01028 ,  H01L2924/01029 ,  H01L2924/0103 ,  H01L2924/01031 ,  H01L2924/01033 ,  H01L2924/01047 ,  H01L2924/01049 ,  H01L2924/0105 ,  H01L2924/01074 ,  H01L2924/01075 ,  H01L2924/01078 ,  H01L2924/01079 ,  H01L2924/01082 ,  H01L2924/01083 ,  H01L2924/0132 ,  H01L2924/01322 ,  H01L2924/01327 ,  H01L2924/0133 ,  H01L2924/0134 ,  H01L2924/014 ,  H01L2924/10253 ,  H01L2924/10272 ,  H01L2924/10329 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/14 ,  H01L2924/15724 ,  H01L2924/15787 ,  H01L2924/181 ,  H01L2924/19107 ,  H01L2924/3651 ,  H05K1/0306 ,  H05K2203/0278 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2224/48744 ,  H01L2924/00012

摘要： A method of forming packages containing SiC or other semiconductor devices bonded to other components or conductive surfaces utilizing transient liquid phase (TLP) bonding to create high temperature melting point bonds using in situ formed ternary or quaternary mixtures of conductive metals and the devices created using TLP bonds of ternary or quaternary materials. The compositions meet the conflicting requirements of an interconnect or joint that can be exposed to high temperature, and is thermally and electrically conductive, void and creep resistant, corrosion resistant, and reliable upon temperature and power cycling.

摘要翻译： 一种形成包含SiC或其他半导体器件的封装的方法，其利用瞬态液相（TLP）接合结合到其它部件或导电表面，以使用导电金属的原位形成的三元或四元混合物和使用TLP产生的器件产生高温熔点键 三元或四元材料的键。 组合物满足互连或接头的相互冲突的要求，其可以暴露于高温下，并且在导热，导电，空隙和抗蠕变性，耐腐蚀性以及在温度和功率循环方面是可靠的。

公开(公告)号：US06980077B1

公开(公告)日：2005-12-27

申请号：US10922068

申请日：2004-08-19

申请人： Sriram Chandrasekaran ,  Vivek Mehrotra ,  Jian Sun

发明人： Sriram Chandrasekaran ,  Vivek Mehrotra ,  Jian Sun

IPC分类号： H01F3/10 ,  H01F27/24 ,  H01F27/255

CPC分类号： H01F27/255 ,  H01F2003/106 ,  H01F2027/2814 ,  H01F2027/348

摘要： A composite magnetic core formed of a high permeability material and a lower permeability, high saturation flux density material prevents core saturation without an air gap and reduces eddy current losses and loss of inductance. The composite core is configured such that the low permeability, high saturation material is located where the flux accumulates from the high permeability sections. The presence of magnetic material having a relatively high permeability keeps the flux confined within the core thereby preventing fringing flux from spilling out into the winding arrangement. This composite core configuration balances the requirements of preventing core saturation and minimizing eddy current losses without increasing either the height or width of the core or the number of windings.

摘要翻译： 由高磁导率材料和低磁导率，高饱和磁通密度材料形成的复合磁芯防止磁芯饱和而没有气隙，并减少涡流损耗和电感损耗。 复合芯构造成使得低磁导率高饱和材料位于磁通量从高磁导率部分积聚的位置。 具有较高磁导率的磁性材料的存在使磁通量保持在磁芯内，从而防止边缘焊剂溢出到卷绕装置中。 该复合芯体配置平衡了防止磁芯饱和的要求，并最大限度地减小涡流损耗，而不会增加磁芯的高度或宽度或绕组数量。

公开(公告)号：US20050245658A1

公开(公告)日：2005-11-03

申请号：US10837552

申请日：2004-04-30

申请人： Vivek Mehrotra ,  Ira Goldberg

发明人： Vivek Mehrotra ,  Ira Goldberg

IPC分类号： C08K3/18 ,  C08K3/22 ,  C08K3/24 ,  C09D1/00

CPC分类号： C08K3/24 ,  C08K3/22

摘要： A method of forming nano composites within a polymer structure comprises exposing a wettable polymer having ion-exchangeable groups pendant therefrom to an aqueous solution of a soluble salt containing metal ions, the metal ions replacing, by ion exchange, the pendant groups on the polymer. After ion exchange the polymer is exposed to a reducing agent forming metal oxides trapped within the polymer structure.

摘要翻译： 在聚合物结构内形成纳米复合材料的方法包括将其上具有离子交换基团的可湿性聚合物暴露于含有金属离子的可溶性盐的水溶液中，金属离子通过离子交换将聚合物上的侧基置换。 离子交换后，聚合物暴露于形成在聚合物结构内的金属氧化物的还原剂。

公开(公告)号：US5847498A

公开(公告)日：1998-12-08

申请号：US363184

申请日：1994-12-23

申请人： Vivek Mehrotra ,  Hemant S. Betrabet ,  Susan McGee ,  Thomas F. McGee

发明人： Vivek Mehrotra ,  Hemant S. Betrabet ,  Susan McGee ,  Thomas F. McGee

IPC分类号： H01J9/02 ,  H01J61/067 ,  H01J61/78 ,  H01J1/14 ,  H01J19/06

CPC分类号： H01J61/78 ,  H01J61/067 ,  H01J9/022

摘要： Composite sintered electrodes with improved properties that make them suitable for use in a variety of lamp types, are provided which comprise a refractory metal and a substantial amount of a refractory emitter oxide, either single layer or multiple layer, the composites having been subjected to sintering at an elevated temperature effective to form a composite electrode having a density of at least 85%, preferably in the presence of a sintering activator, such as for example, Ni, or mixture thereof with a sintering aid such as, for example, Li.sub.2 O.

摘要翻译： 提供具有改进的性质的复合烧结电极，其适用于各种灯类型，其包括难熔金属和大量的耐火发射体氧化物，单层或多层，复合材料已进行烧结 在有效形成密度为至少85％的复合电极的高温下，优选在烧结活化剂例如Ni的存在下，或其与烧结助剂例如Li 2 O的混合物。

公开(公告)号：US20130334130A1

公开(公告)日：2013-12-19

申请号：US13523037

申请日：2012-06-14

申请人： Rahul Ganguli ,  Vivek Mehrotra ,  Tony Ten-Luen Liao

发明人： Rahul Ganguli ,  Vivek Mehrotra ,  Tony Ten-Luen Liao

IPC分类号： B01D71/68 ,  C09D5/16 ,  B01D29/00 ,  B01D65/08 ,  B01D71/60 ,  B01D71/38 ,  B01D71/12 ,  B01D71/28 ,  B01D71/40 ,  B01D71/08 ,  B01D71/56 ,  B01D67/00 ,  B01D71/26 ,  B82Y30/00

CPC分类号： B01D67/0088 ,  B01D65/08 ,  B01D71/68 ,  B01D2325/04 ,  B01D2325/48 ,  C08K5/005 ,  C09D5/1687 ,  C09D7/63 ,  C09D101/28 ,  C09D101/284 ,  C09D101/286 ,  C09D105/00 ,  C09D105/12

摘要： A conformal coating that resists fouling by waterborne contamination in aquatic environments, a method for fabricating the coating, and a filter having such a coating are disclosed. The coating comprises a hydrophilic polymer and a surfactant wherein the surfactant undergoes a phase change upon exposure to a saline solution. Also disclosed are in situ methods for regenerating anti-fouling filters having the fouling resistant coating.

摘要翻译： 公开了一种防水性环境中水污染污垢的保形涂层，制造涂层的方法和具有这种涂层的过滤器。 涂层包含亲水聚合物和表面活性剂，其中表面活性剂在暴露于盐水溶液时经历相变。 还公开了用于再生具有防污涂层的防污滤器的原位方法。

公开(公告)号：US07417875B2

公开(公告)日：2008-08-26

申请号：US11349637

申请日：2006-02-08

申请人： Sriram Chandrasekaran ,  Vivek Mehrotra

发明人： Sriram Chandrasekaran ,  Vivek Mehrotra

IPC分类号： H02M3/335

CPC分类号： H02M3/337 ,  H02M3/33592 ,  H02M3/3376 ,  Y02B70/1475

摘要： A power converter having input and output nodes and a method of operating the same. In one embodiment, the power converter includes a switching circuit including first, second and third active phase legs. Each of the first, second and third active legs includes a first switch coupled to one of the input nodes and a second switch coupled to another of the input nodes and has a common switching node therebetween. The power converter further includes a magnetic device including first, second and third primary windings, and first, second and third secondary windings. The first, second and third primary windings are coupled to the common switching node of the first, second and third active phase legs, respectively. The power converter still further includes a rectifier including first, second and third rectifier elements interposed between the first, second and third secondary windings, respectively, and one of the output nodes.

摘要翻译： 一种具有输入和输出节点的功率转换器及其操作方法。 在一个实施例中，功率转换器包括包括第一，第二和第三有源相支路的开关电路。 第一，第二和第三活动腿中的每一个包括耦合到输入节点之一的第一开关和耦合到另一个输入节点的第二开关，并且在它们之间具有公共的开关节点。 功率转换器还包括包括第一，第二和第三初级绕组以及第一，第二和第三次级绕组的磁性装置。 第一，第二和第三初级绕组分别耦合到第一，第二和第三有源相位脚的公共开关节点。 功率转换器还包括整流器，其包括分别插入在第一，第二和第三次级绕组之间的第一，第二和第三整流器元件以及输出节点之一。

公开(公告)号：US20080145647A1

公开(公告)日：2008-06-19

申请号：US11953265

申请日：2007-12-10

申请人： Rahul Ganguli ,  Vivek Mehrotra ,  Brian N. Cox

发明人： Rahul Ganguli ,  Vivek Mehrotra ,  Brian N. Cox

IPC分类号： B32B5/16 ,  B29C65/08

CPC分类号： B32B5/16 ,  B29C70/025 ,  B29C70/62 ,  B29K2063/00 ,  B29K2705/00 ,  B29K2705/12 ,  B29K2707/04 ,  B29K2709/08 ,  B29L2009/00 ,  C08J5/10 ,  C08J5/24 ,  Y10T428/25 ,  Y10T428/256

摘要： Metal-impregnated composite materials and methods of making these are provided. The materials include a reinforcing material of reinforcing fibers, in which the fibers are tightly packed and have discontinuous inter-fiber spaces. In addition, the composite includes metal particulates distributed in at least some of the discontinuous inter-fiber spaces. A polymer encases the reinforcing material and the metal particulates. Methods may include the step of subjecting plies, to which polymer and metal particulates are applied, concurrently to (1) a magnetic field oriented to urge the metal particulates into the plies and (2) to vibration forces. Thereafter, the polymer and metal particulate-containing plies are consolidated under heat and pressure.

摘要翻译： 提供金属浸渍的复合材料及其制备方法。 这些材料包括增强纤维的增强材料，其中纤维紧密包装并且具有不连续的纤维间隙。 此外，复合材料包括分布在至少一些不连续纤维间隙中的金属微粒。 聚合物包裹增强材料和金属微粒。 方法可以包括将施加了聚合物和金属微粒的层同时进行以下步骤：（1）定向成将金属颗粒推入层中的磁场和（2）振动力。 此后，聚合物和含金属颗粒的层在热和压力下固结。

公开(公告)号：US20080024259A1

公开(公告)日：2008-01-31

申请号：US11866152

申请日：2007-10-02

申请人： Sriram Chandrasekaran ,  Vivek Mehrotra

发明人： Sriram Chandrasekaran ,  Vivek Mehrotra

IPC分类号： H01F27/24 ,  H01F41/02

CPC分类号： H01F27/24 ,  H01F3/08 ,  H01F17/04 ,  H01F27/255 ,  H01F30/06 ,  H01F2038/006 ,  H02M7/043 ,  Y10T29/4902

摘要： A matrix integrated magnetics (MIM) “Extended E” core in which a plurality of outer legs are disposed on a base and separated along a first outer edge to define windows there between. A center leg is disposed on the top region of the base and separated from the outer legs to define a center window. The center leg is suitably positioned along a second outer edge opposite the first or between outer legs positioned along opposing outer edges. A plate is disposed on the outer legs opposite the base.

摘要翻译： 矩阵集成磁体（MIM）“扩展E”核心，其中多个外部腿部设置在基部上并沿着第一外部边缘分离以在其间限定窗口。 中心腿设置在基部的顶部区域上并与外腿分离以限定中心窗口。 中心腿沿着沿着相对的外边缘定位的第一外侧或第二外腿的第二外边缘适当地定位。 在与底座相对的外腿上设置板。

公开(公告)号：US06353295B1

公开(公告)日：2002-03-05

申请号：US09233844

申请日：1999-01-20

申请人： Shri Sridhar ,  Vivek Mehrotra ,  Juan Sabate ,  Gert W. Bruning ,  Nicolaas Bernardus Roozen

发明人： Shri Sridhar ,  Vivek Mehrotra ,  Juan Sabate ,  Gert W. Bruning ,  Nicolaas Bernardus Roozen

IPC分类号： H05B4116

CPC分类号： H05B41/36 ,  H01L23/467 ,  H01L2924/0002 ,  H05B41/02 ,  H05B41/2822 ,  H01L2924/00

摘要： A lamp electronic ballast with a piezoelectric cooling fan. Use of ballast-driven lamps is limited in some lighting applications by thermal considerations. For example, the problem of heat removal from compact fluorescent lamps with integrated ballasts has limited their use. Similarly, the use of ballast-driven fluorescent lighting in high hat and other closed luminaire applications has been limited by thermal considerations. Thermal management of ballasts for such thermally sensitive applications is provided by a piezoelectric fan integrated with the ballast. The power to drive the fan may be obtained from the same AC line input that supplies the ballast, or from an AC ripple voltage present at the output of a rectifier in the ballast, or from the output of the ballast to the lamp, or from any suitable circuit location in the ballast. The fan maybe a membrane-type spot-cooler comprising a thin membrane carried by a frame mounted adjacent a hot spot. The membrane has one or more holes in it and is vibrated about a central plane by suitably spaced piezoelectric elements attached to the membrane.

摘要翻译： 具有压电冷却风扇的灯电子镇流器。 在一些照明应用中，使用镇流器驱动的灯是有限的。 例如，具有集成镇流器的紧凑型荧光灯的散热问题已经限制了其使用。 类似地，在高帽和其他封闭式灯具应用中使用镇流器驱动的荧光灯已经受到热考虑的限制。 用于这种热敏应用的镇流器的热管理由与镇流器集成的压电风扇提供。 驱动风扇的功率可以从提供镇流器的相同的AC线路输入或镇流器中的整流器的输出处的AC纹波电压，或者从镇流器的输出到灯或从 镇流器中任何合适的电路位置。 风扇可以是包括由邻近热点安装的框架承载的薄膜的膜式点冷却器。 该膜在其中具有一个或多个孔，并且通过连接到膜的适当间隔开的压电元件围绕中心平面振动。

公开(公告)号：US06342753B1

公开(公告)日：2002-01-29

申请号：US09669241

申请日：2000-09-25

申请人： John Oliver ,  Vivek Mehrotra ,  R. R. Neurgaonkar

发明人： John Oliver ,  Vivek Mehrotra ,  R. R. Neurgaonkar

IPC分类号： H01L4108

CPC分类号： H03H9/0222 ,  H01L41/107

摘要： A piezoelectric transformer has pairs of input/output electrodes located on a piezoelectric body corresponding to period locations on a standing sine wave superimposed on said body, and having a waveform corresponding to vibrational modes of the piezoelectric body at resonance. The transformer also has a grounded guard electrodes to reduce parasitic coupling between its input and output regions.

摘要翻译： 压电变压器具有位于压电体上的输入/输出电极对，其对应于叠加在所述主体上的立体正弦波上的周期位置，并且具有对应于压电体在谐振时的振动模式的波形。 变压器还具有接地的保护电极，以减少其输入和输出区域之间的寄生耦合。