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    • 2. 发明授权
    • Highly-oriented diamond film field-effect transistor
    • 高取向金刚石膜场效应晶体管
    • US5491348A
    • 1996-02-13
    • US313986
    • 1994-09-28
    • Hisasi KoyamaoKoichi MiyataKimitsugu SaitoDavid L. DreifusBrian R. Stoner
    • Hisasi KoyamaoKoichi MiyataKimitsugu SaitoDavid L. DreifusBrian R. Stoner
    • H01L21/314H01L21/338H01L29/04H01L29/16H01L29/812
    • H01L29/1602H01L29/045H01L29/812
    • A source electrode is formed on the first semiconducting diamond film and a drain electrode is formed on the second semiconducting diamond film. A highly resistant diamond film having a thickness of between 10 .ANG. and 1 mm and an electrical resistance of at least 10.sup.2 .OMEGA..cm or more is placed between the first and second semiconducting diamond films. A gate electrode is formed on the highly resistant diamond film. Thereby, a channel region is formed by these first and second semiconducting diamond films as well as the highly resistant diamond film. All or at least a part of said first and second semiconducting diamond films and the highly resistant diamond film are made of highly-oriented diamond films where either (100) or (111) crystal planes of diamond cover at least 80% of the film surface, and the differences {.DELTA..alpha., .DELTA..beta., .DELTA..gamma.} of Euler angles {.alpha., .beta., .gamma.} which represent the crystal plane orientation, satisfy .vertline..DELTA..alpha..vertline.
    • 在第一半导体金刚石膜上形成源电极,在第二半导体金刚石膜上形成漏电极。 在第一和第二半导体金刚石膜之间放置厚度在10埃至1毫米至10欧姆或更大的电阻之间的高度耐磨的金刚石薄膜。 在耐高压金刚石膜上形成栅电极。 因此,通过这些第一和第二半导体金刚石膜以及高度耐磨的金刚石膜形成沟道区。 所述第一和第二半导体金刚石膜的全部或至少一部分和高度耐金刚石膜由高取向金刚石膜制成,金刚石的(100)或(111)晶面覆盖至少80%的膜表面 ,并且表示晶面取向的欧拉角{α,β,γ}的差异{DELTAα,DELTAβ,DELTAγ}满足| DELTAα| <10°,| DELTA beta | <10°,| DELTA gamma | <10°,同时在相邻的晶面之间。
    • 4. 发明授权
    • Diamond light-emitting element
    • 金刚石发光元件
    • US5612548A
    • 1997-03-18
    • US598618
    • 1996-02-12
    • Kimitsugu SaitoKoichi Miyata
    • Kimitsugu SaitoKoichi Miyata
    • C30B29/04H01L33/00H01L33/02H01L33/34H01L33/42H01L33/44H01L31/0312
    • H01L33/0054H01L33/025H01L33/34H01L33/44
    • A diamond light-emitting element capable of intense light emission at low operation voltage. A conductive substrate is disposed on a metallic plate such as copper to form an ohmic contact. A first diamond layer is formed on the conductive substrate. The boron atom concentration in the first diamond layer is 10.sup.19 cm.sup.-3 or higher. A second diamond layer is formed on the first diamond layer. The second diamond layer has a crystal defect density of 10.sup.11 cm.sup.-2 or higher. A second electrode is formed on the second diamond layer. A power supply is connected to the second electrode and the copper plate. When voltage is applied, holes in the first diamond layer recombine with electrons from the second electrode, and hence light emission takes place. The defect levels in the second diamond layer form the recombination centers to achieve high brightness at low operation voltage.
    • 能够在低工作电压下强烈发光的金刚石发光元件。 导电基板设置在诸如铜的金属板上以形成欧姆接触。 在导电基板上形成第一金刚石层。 第一金刚石层中的硼原子浓度为1019cm -3以上。 在第一金刚石层上形成第二金刚石层。 第二金刚石层的晶体缺陷密度为1011cm -2以上。 在第二金刚石层上形成第二电极。 电源连接到第二电极和铜板。 当施加电压时,第一金刚石层中的空穴与来自第二电极的电子复合,因此发生发光。 第二金刚石层中的缺陷水平形成复合中心,以在低操作电压下实现高亮度。
    • 8. 发明授权
    • Diamond hetero-junction rectifying element
    • 金刚石异质整流元件
    • US5442199A
    • 1995-08-15
    • US62051
    • 1993-05-14
    • Kimitsugu SaitoKoichi MiyataKalyankumar Das
    • Kimitsugu SaitoKoichi MiyataKalyankumar Das
    • C30B25/02C30B29/04H01L21/331H01L29/04H01L29/16H01L29/165H01L29/267H01L29/73H01L29/737H01L29/161
    • H01L29/1602H01L29/045H01L29/267
    • An undoped highly-oriented diamond film is formed on a single crystalline silicon substrate, a p-type highly-oriented diamond film is formed on the insulating diamond film. An ohmic electrode is formed on said p-type semiconducting diamond film and an ohmic electrode is also formed on a n-type .beta.-SiC layer. The highly-oriented diamond films are grown by chemical vapor deposition and at least 80% of the surface area of said diamond film consists of either (100) or (111) crystal planes, and the differences {.DELTA..alpha., .DELTA..beta., .DELTA..gamma.} of Euler angles {.alpha., .beta., .gamma.}, which represent the orientations of the crystals simultaneously satisfy the following relations: .vertline..DELTA..alpha..vertline..ltoreq.5.degree., .vertline..DELTA..beta..vertline..ltoreq.5.degree. and .vertline..DELTA..gamma..vertline.5.degree. between adjacent crystal planes. The diamond hetero-junction rectifying element thus made has a high rectification ratio and heat resistance, and is suitable for mass production at low cost and on large scale.
    • 在单晶硅衬底上形成未掺杂的高取向金刚石膜,在绝缘金刚石膜上形成p型高取向金刚石膜。 在所述p型半导体金刚石膜上形成欧姆电极,在n型β-SiC层上也形成欧姆电极。 通过化学气相沉积生长高度取向的金刚石膜,并且所述金刚石膜的至少80%的表面积由(100)或(111)晶面组成,并且差异{DELTAα,DELTAβ,DELTAγ 表示晶体取向的欧拉角{α,β,γ}}满足以下关系:| DELTA alpha |
    • 9. 发明申请
    • HIGH PRESSURE PROCESSING METHOD
    • 高压加工方法
    • US20060032520A1
    • 2006-02-16
    • US11249444
    • 2005-10-14
    • Yoshihiko SakashitaKatsumi WatanabeHisanori OshibaShogo SarumaruYusuke MuraokaKimitsugu SaitoIkuo MizobataRyuji Kitakado
    • Yoshihiko SakashitaKatsumi WatanabeHisanori OshibaShogo SarumaruYusuke MuraokaKimitsugu SaitoIkuo MizobataRyuji Kitakado
    • B08B3/00
    • H01L21/67017B08B7/0021H01L21/67126Y10S134/902
    • A high-pressure processing apparatus includes a processing vessel including a processing chamber formed therein to perform a certain process onto an object in the processing chamber; fluid feeding means which feeds a high-pressure fluid into the processing chamber; fluid discharging means which discharges the high-pressure fluid from the processing chamber; an agitating unit which is arranged in the processing chamber and is operative to flow the high-pressure fluid over the object by relative rotation to the processing vessel; a communicating channel which is formed in the processing vessel to communicate inside and outside of the processing chamber; a rotary driving member which is coupled to the agitating unit via a shaft portion provided in the communicating channel; and a sealing portion which is provided between the shaft portion and the processing vessel to disconnect the processing chamber from the rotary driving member. The fluid discharging means includes a fluid discharging port formed in a certain position of the communicating channel closer to the processing chamber than the sealing portion to discharge the high-pressure fluid.
    • 高压处理装置包括:处理容器,其包括形成在其中的处理室,以对处理室中的物体执行一定的处理; 流体供给装置,其将高压流体供给到处理室中; 从处理室排出高压流体的流体排出装置; 搅拌单元,其布置在处理室中并且可操作以通过相对于处理容器的旋转将高压流体流过物体; 形成在所述处理容器中以在所述处理室内部和外部连通的连通通道; 旋转驱动构件,其经由设置在所述连通通道中的轴部联接到所述搅拌单元; 以及密封部,其设置在所述轴部和所述处理容器之间,以将所述处理室与所述旋转驱动构件断开。 流体排出装置包括形成在与密封部分相比更靠近处理室的连通通道的特定位置中以排出高压流体的流体排放口。