公开(公告)号：US5968449A

公开(公告)日：1999-10-19

申请号：US9299

申请日：1998-01-20

申请人： Koichi Aoki ,  Atsuo Onoda ,  Masao Kamada ,  Hitoshi Nishimura ,  Kuniteru Suzuki ,  Shunji Kikuchi

发明人： Koichi Aoki ,  Atsuo Onoda ,  Masao Kamada ,  Hitoshi Nishimura ,  Kuniteru Suzuki ,  Shunji Kikuchi

IPC分类号： C22C33/02 ,  C22C35/00 ,  C22C38/02 ,  C22C38/04

CPC分类号： C22C33/0278 ,  C22C35/005 ,  B22F2998/00

摘要： An object of the present invention is to provide an iron base Si--Mn alloy or an iron base Si--Mn--Ni alloy which can be easily crushed and can be manufactured in large quantity, and alloy powder thereof.An iron base Si--Mn--Ni alloy having good crushability and alloy powder thereof, comprising:C: 0.40 to 1.20% by weight,Si: 5.0 to 12.0% by weight,Mn: 19.0 to 42.0 % by weight, or Ni: not more than 30% by weight, and the balance being Fe, with the following equations satisfied: Si.gtoreq.11.89-2.92 C-0.077 Mn, Vickers hardness (Hv).gtoreq.550, and area ratio of dendrite structure .ltoreq.50%.An iron base Si--Mn--Ni alloy having good crushability and alloy powder thereof, comprising:C: 0.40 to 1.20% by weight,Si: 5.0 to 12.0% by weight,Mn: 19.0 to 42.0% by weight, or Ni: not more than 30% by weight, and the balance being Fe, with the following equations satisfied: Si.ltoreq.8.3 C+0.14 Mn, and relative permeability (.mu.).ltoreq.1.10.

摘要翻译： 本发明的目的是提供一种铁基Si-Mn合金或铁基Si-Mn-Ni合金，其可以容易地粉碎并且可以大量制造，以及它们的合金粉末。 具有良好的粉碎性和合金粉末的铁基Si-Mn-Ni合金，其包含：C：0.40〜1.20重量％，Si：5.0〜12.0重量％，Mn：19.0〜42.0重量％，或Ni：不 大于30重量％，余量为Fe，满足下列方程：Si> = 11.89-2.92 C-0.077 Mn，维氏硬度（Hv）> / = 550，枝晶结构面积比< 50％。 具有良好的粉碎性和合金粉末的铁基Si-Mn-Ni合金，其包含：C：0.40〜1.20重量％，Si：5.0〜12.0重量％，Mn：19.0〜42.0重量％，或Ni：不 大于30重量％，余量为Fe，满足以下方程：Si <= 8.3 C + 0.14 Mn，相对磁导率（μ）= 1.10。

公开(公告)号：US08339615B2

公开(公告)日：2012-12-25

申请号：US12510591

申请日：2009-07-28

申请人： Masayuki Dohi ,  Itsuko Sakai ,  Takayuki Sakai ,  Shunji Kikuchi ,  Takuto Inoue ,  Akihiro Hori ,  Masayuki Narita

发明人： Masayuki Dohi ,  Itsuko Sakai ,  Takayuki Sakai ,  Shunji Kikuchi ,  Takuto Inoue ,  Akihiro Hori ,  Masayuki Narita

IPC分类号： G01B11/00 ,  G01N21/00

CPC分类号： G01B11/028 ,  H01L21/67259

摘要： An edge detection method includes preparing a transparent substrate which includes a first main face having a first main region and a first peripheral region and a second main face having a second main region and a second peripheral region, the first peripheral region having an inclination angle of θa1 and the second peripheral region having an inclination angle of θa2, causing measuring light to enter the first peripheral region from a direction perpendicular to the first main region, detecting a non-emitting region where the measuring light is not emitted from the second peripheral region, and detecting an edge of the transparent substrate on the basis of the non-emitting region, wherein if a refractive index of the transparent substrate is n, the inclination angles θa1 and θa2satisfy the following expression: n×sin(θa1+θa2−arcsin(sin θa1/n))≧1.

摘要翻译： 边缘检测方法包括制备透明基板，其包括具有第一主区域和第一周边区域的第一主面和具有第二主区域和第二周边区域的第二主面，所述第一周边区域具有倾斜角 a1和第二周边区域具有倾斜角度; a2，使得测量光从垂直于第一主区域的方向进入第一周边区域，检测不发射测量光的不发射区域 第二周边区域，并且基于非发光区域检测透明基板的边缘，其中如果透明基板的折射率为n，则倾斜角度＆a1; a1和＆het; a2不满足以下表达式：n ×sin（＆thetas; a1 +＆thetas; a2-arcsin（sin＆thetas; a1 / n））≥1。

公开(公告)号：US20100027032A1

公开(公告)日：2010-02-04

申请号：US12510591

申请日：2009-07-28

申请人： Masayuki Dohi ,  Itsuko Sakai ,  Takayuki Sakai ,  Shunji Kikuchi ,  Takuto Inoue ,  Akihiro Hori ,  Masayuki Narita

发明人： Masayuki Dohi ,  Itsuko Sakai ,  Takayuki Sakai ,  Shunji Kikuchi ,  Takuto Inoue ,  Akihiro Hori ,  Masayuki Narita

IPC分类号： G01B11/00

CPC分类号： G01B11/028 ,  H01L21/67259

摘要： An edge detection method includes preparing a transparent substrate which includes a first main face having a first main region and a first peripheral region and a second main face having a second main region and a second peripheral region, the first peripheral region having an inclination angle of θa1 and the second peripheral region having an inclination angle of θa2, causing measuring light to enter the first peripheral region from a direction perpendicular to the first main region, detecting a non-emitting region where the measuring light is not emitted from the second peripheral region, and detecting an edge of the transparent substrate on the basis of the non-emitting region, wherein if a refractive index of the transparent substrate is n, the inclination angles θa1 and θa2 satisfy the following expression: n×sin(θa1+θa2−arcsin(sin θa1/n))≧1

摘要翻译： 边缘检测方法包括制备透明基板，其包括具有第一主区域和第一周边区域的第一主面和具有第二主区域和第二周边区域的第二主面，所述第一周边区域具有倾斜角 θa1和第二外围区域具有θa2的倾斜角度，使得测量光从垂直于第一主区域的方向进入第一周边区域，检测测量光不从第二周边区域发射的不发射区域 ，并且基于所述不发射区域检测所述透明基板的边缘，其中如果所述透明基板的折射率为n，则所述倾斜角度θa1和θa2满足以下表达式：nxsin（θa1+θa2-arcsin（ sinθa1/ n））> = 1