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    • 15. 发明授权
    • Film-forming composition
    • 成膜组合物
    • US07914854B2
    • 2011-03-29
    • US12160176
    • 2006-12-19
    • Toshiro MoritaIsao Sato
    • Toshiro MoritaIsao Sato
    • C08L83/04B05D3/02
    • H01L21/3122C09D183/04H01L21/02126H01L21/02216H01L21/02282H01L21/2256H01L21/316
    • An SiO2-based film-forming composition giving a protective film which, after impurity diffusion, can be easily stripped off and which has a higher protective effect. The film-forming composition is one for forming a protective film which in the diffusion of an impurity into a silicon wafer, serves to partly prevent the impurity diffusion. This film-forming composition comprises a high-molecular silicon compound and a compound having a protective element which undergoes covalent bonding to the element to be diffused in the impurity diffusion and thereby comes to have eight valence electrons. The protective element is preferably gallium or aluminum when phosphorus is used as the element to be diffused, and is preferably tantalum, niobium, arsenic, or antimony when boron is used as the diffusion element.
    • 提供保护膜的SiO 2系膜形成组合物,其在杂质扩散后容易剥离并具有较高的保护效果。 成膜组合物是用于形成保护膜的组合物,其在将杂质扩散到硅晶片中用于部分地防止杂质扩散。 该成膜组合物包含高分子硅化合物和具有保护元素的化合物,该保护元素与待杂质扩散的元素进行共价键合,从而具有8价电子。 当使用磷作为扩散元件时,保护元件优选为镓或铝,并且当使用硼作为扩散元件时,保护元件优选为钽,铌,砷或锑。
    • 19. 发明授权
    • Master cylinder body and die for molding master cylinder body
    • 主缸体和模具用于成型主缸体
    • US06817178B2
    • 2004-11-16
    • US10226219
    • 2002-08-23
    • Naoyasu EnomotoIsao Sato
    • Naoyasu EnomotoIsao Sato
    • B60T1120
    • B60T11/16Y10T29/49236
    • A master cylinder body and a die for molding the master cylinder body which is unlikely worn out by a flow of the melt and improves the life duration of the die. A rib provided from a first outlet port projected from right external peripheral surface of the master cylinder body to an end portion of a front end portion via a second outlet port is formed deviated from a line connecting a central axial lines of the first and the second outlet ports. Likewise, a rib provided from the first outlet port formed on a left external peripheral surface of the master cylinder body to the end portion of the front end portion via the second outlet port is formed deviated from the line connecting the central axial lines of the first and the second outlet ports.
    • 主缸体和用于模制主缸体的模具,其不会因熔体流动而磨损,并且提高了模具的使用寿命。 从从主缸体的右外周面突出到第一出口的前端部的端部的第一出口设置的肋形成为从连接第一和第二出口的中心轴线的线 出口端口 同样地,从主缸主体的左外周面上形成的第一出口形成的肋经由第二出口形成在前端部的端部,与从连接第一 和第二个出口。