公开(公告)号：US06975386B2

公开(公告)日：2005-12-13

申请号：US10158001

申请日：2002-05-31

申请人： Akira Tsumura ,  Wataru Yamada

发明人： Akira Tsumura ,  Wataru Yamada

IPC分类号： G02F1/13 ,  G01N21/55 ,  G01N21/84 ,  G01N21/95

CPC分类号： G01N21/8422 ,  G01N21/55 ,  G01N21/9501 ,  G01N2021/8461 ,  G01N2021/9513

摘要： A film quality inspecting method comprising applying a measuring beam having a specific wavelength to an annealed silicon film formed on a substrate in a direction inclined with respect to the silicon film, measuring a reflection intensity or reflectivity of a reflection beam reflected by the silicon film as a result of the application, and inspecting a film quality of the silicon film based on a measurement value obtained by the measurement.

摘要翻译： 一种胶片质量检查方法，包括：将具有特定波长的测量光束以相对于所述硅膜倾斜的方向施加到在基板上形成的退火硅膜，测量由所述硅膜反射的反射光束的反射强度或反射率， 应用的结果，并且基于通过测量获得的测量值来检查硅膜的膜质量。

公开(公告)号：US06447622B1

公开(公告)日：2002-09-10

申请号：US09763046

申请日：2001-02-15

申请人： Wataru Yamada ,  Seiki Nishida ,  Satoshi Sugimaru ,  Naoshi Hikita ,  Hiromi Takahashi

发明人： Wataru Yamada ,  Seiki Nishida ,  Satoshi Sugimaru ,  Naoshi Hikita ,  Hiromi Takahashi

IPC分类号： C22C3802

CPC分类号： C22C38/04 ,  C21D8/06 ,  C22C38/02

摘要： The present invention provides a high carbon steel wire remarkably excellent in wire-drawability and fatigue resistance after wire drawing with a low cost due to reduced use of costly alloys. A high carbon steel wire according to the present invention is one excellent in wire-drawability and fatigue resistance after wire drawing, characterized in that; the total oxygen content is 15 to 50 ppm; among non-metallic inclusions included therein, the number of inviscid inclusions is 1.5 pieces/mm2 or less in average under the visual field of an optical microscope; among the inviscid inclusions, the number of those having a composition falling within composition A specified below accounts for more than 20% and the total number of those having a composition falling within composition A or B specified below accounts for 80% or more; and the thickness of the inviscid inclusions having a composition falling within composition A specified below is 40 &mgr;m or less; composition A: containing over 70% of SiO2, composition B: containing 25 to 70% of SiO2, 8 to 30% of MnO, 40% or less of MgO, 35% or less of Al2O3, 25% or less of CaO and 6% or less of TiO2, and at least 5% of one or both of Al2O3 and MgO, and additionally at least 2% of one or both of CaO and TiO2.

摘要翻译： 本发明提供一种高成本的钢丝，由于使用昂贵的合金而成本低，拉丝性和拉伸疲劳性优异。 根据本发明的高碳钢丝是拉丝后的拉丝性和耐疲劳性优异的特征，其特征在于： 总氧含量为15〜50ppm; 在其中包含的非金属夹杂物中，在光学显微镜的视场下，非粘性夹杂物的数量平均为1.5个/ mm 2以下; 在无粘连夹杂物中，具有以下规定的组成A内的成分的数量占20％以上，组成在下述A或B组成的组合的总数为80％以上; 具有下述组成A的组成的非粘性夹杂物的厚度为40μm以下; 组合物A：含有超过70％的SiO 2，组合物B：含有25〜70％的SiO 2，8〜30％的MnO，40％以下的MgO，35％以下的Al 2 O 3，25％以下的CaO和6 TiO 2的百分比或更少，以及Al 2 O 3和MgO中的至少5％，还有CaO和TiO 2中的一种或两种的至少2％。