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    • 3. 发明申请
    • QUANTUM WELL THERMOELECTRIC MATERIAL ON VERY THIN SUBSTRATE
    • 量子很好的热电材料在很薄的衬底上
    • WO0030185A8
    • 2000-09-21
    • PCT/US9926996
    • 1999-11-12
    • HI Z TECHNOLOGY INCGHAMATY SAEIDELSNER NORBERT B
    • GHAMATY SAEIDELSNER NORBERT B
    • C23C14/06H01L29/06H01L35/14H01L35/22H01L35/26H01L35/32H01L35/34H02N11/00H01L35/00F25D25/00H01L31/0328H01L35/28H01L35/30
    • H01L35/22H01L35/26
    • Thermoelectric elements (62A, 64A, 66A, 62B, 64B, and 66B) for use in a thermoelectric device. The thermoelectric elements have a very large number of alternating layers of semiconductor material deposited on a very thin substrate. The layers of semiconductor material aternate between barrier semiconductor material and conducting semiconductor material creating quantum wells within the thin layers of conducting semiconductor material. The conducting semiconductor material is doped to create conducting properties. The substrate preferably should be very thin, a very good thermal and electrical insulator with good thermal stability and strong and flexible. In a preferred embodiment, the thin organic substrate is a thin polyimide film (specifically Kapton3) coated with an even thinner film of crystalline silicon. The substrate is about .3 mills (127 micons) thick. The crystalline silicon layer is about 0.1 micron thick. This embodiment includes on each side of the thin Kapton substrate about 3,000 alternating layers of silicon and silicon-germanium, each layer being about 100 ANGSTROM and the total thickness of the layers being about 30 microns.
    • 用于热电装置的热电元件(62A,64A,66A,62B,64B和66B)。 热电元件具有沉积在非常薄的衬底上的非常大量的交替半导体材料层。 半导体材料层在势垒半导体材料和导电半导体材料之间迂回,在导电半导体材料的薄层内形成量子阱。 导电半导体材料被掺杂以产生导电性质。 基材优选应该非常薄,是一种非常好的热和电绝缘体,具有良好的热稳定性和强韧性。 在一个优选的实施方案中,薄有机基材是涂覆有更薄的晶体硅膜的薄聚酰亚胺膜(特别是Kapton3)。 衬底约为0.3毫米(127微米)厚。 晶体硅层约为0.1微米厚。 该实施例在薄Kapton衬底的每一侧上包括约3,000个硅和硅 - 锗交替层,每层约100埃,并且层的总厚度约为30微米。
    • 4. 发明申请
    • UNDERWATER CERAMIC ELECTRODES
    • 水下陶瓷电极
    • WO2005094276A3
    • 2006-08-17
    • PCT/US2005010089
    • 2005-03-25
    • HI Z TECHNOLOGY INCINFOSTO NEWTECH OYMETCALFE ARTHURELSNER NORBERT BMUSTONEN SAKARI
    • METCALFE ARTHURELSNER NORBERT BMUSTONEN SAKARI
    • B23K9/00B23K9/013
    • B23K9/0061
    • An underwater torch with a metal infiltrated ceramic electrode for cutting and machining. The electrode has a composition with an empirical formula MB 2-Z +N, wherein 0 2.-Z defines a ceramic structure formed with ceramic and defining a volume with void spaces comprising at least 10 percent of the volume of the matrix structure and the N occupies a portion of the void spaces. A preferred electrode material is ceramic matrix of ZrB 2 slightly enriched in Zr that is infiltrated with copper. Preferred methods of making the composition involves at least two step: First, ZrB 2 (which preferably is slightly enriched in Zr) is formed into a ceramic matrix having a density of up to 96 percent. Second, the ceramic matrix is heated in a pool of copper at a vacuum and at an infiltration temperature of about 1700 degrees C. to permit copper from the pool to infiltrate the ceramic matrix. Preferred processes for making the product are similar to the processes described in the '574 patent. Applicants' tests have shown that conductors made for underwater electric discharge cutting provide good results. However, some significant erosion resulted from the flaking off of ceramic powders at the outer surface of the copper infiltrated electrodes when the surface copper melted during the cutting process. To minimize this problem, Applicants have modified the ceramics in the compositions described in the '547 patent. In a preferred embodiment, the metal content in the voids in the ceramic matrix is reduced from at least 70% to between 10% and 30%. In another preferred embodiment ceramic fibers are used in place of ceramic powders. In a third preferred embodiment ceramic wires such as ZrB 2 wires are utilized instead of the ZrB 2 powder. ZrB 2 wires are preferably prepared using a chemical process to convert the Zr wires to ZrB 2 wires. Bundles of the ZrB 2 wires may then be infiltrated with the copper.
    • 具有金属渗透陶瓷电极的水下手电筒用于切割和加工。 电极具有经验式MB 2 -Z + N的组成,其中0 的陶瓷基体,其被铜渗透。 制备组合物的优选方法包括至少两个步骤:首先,将ZrB 2 N(其优选地稍微富集于Zr中)形成为密度高达96%的陶瓷基质。 其次,将陶瓷基体在真空中并在大约1700℃的浸入温度下在铜池中加热,以允许来自池的铜渗入陶瓷基体。 制造该产品的优选方法类似于'574专利中描述的方法。 申请人的测试表明,用于水下放电切割的导体提供了良好的效果。 然而,当在切割过程中表面铜熔化时,在铜浸渗电极的外表面剥离陶瓷粉末导致了一些显着的侵蚀。 为了最小化这个问题,申请人已经对'547专利中描述的组合物中的陶瓷进行了改性。 在优选的实施方式中,陶瓷基体中空隙中的金属含量从至少70%降低到10%至30%之间。 在另一个优选实施例中,使用陶瓷纤维代替陶瓷粉末。 在第三优选实施例中,使用诸如ZrB 2-Wire的陶瓷丝来代替ZrB 2 N 2粉末。 优选使用化学工艺制备ZrB 2线,以将Zr线转化为ZrB 2线。 然后可以用铜渗透ZrB 2线的束。