公开(公告)号：EP4215509A1

公开(公告)日：2023-07-26

申请号：EP23161634.3

申请日：2020-02-28

申请人： Denka Company Limited

发明人： Yuasa, Akimasa ,  Kobashi, Seiji ,  Nishimura, Koji

IPC分类号： C04B41/80 ,  C04B35/622 ,  B28B11/00 ,  C04B35/581 ,  C04B35/587 ,  C04B35/634 ,  H01L23/00 ,  H01L23/12 ,  H05K1/03 ,  H05K3/00 ,  B41M5/26

摘要： Provided is a ceramic green sheet (1) including a plurality of substrate forming regions (2). A barcode or a two-dimensional code (5) being a QR code, a Data Matrix code or a PDF417 code is drawn in a portion of the ceramic green sheet (1). A recess portion corresponding to a line of the barcode or a cell of the two-dimensional code (5) is present in the portion of the ceramic green sheet (1) where the barcode or the two-dimensional code (5) is drawn and a depth of the recess portion is 10 um or more and 100 um or less. The barcode or the two-dimensional code (5) is obtained by encoding one or more of the following information (a) to (d).
(a) Information relating to raw materials used when the ceramic green sheet (1) is produced
(b) Information relating to molding conditions of the ceramic green sheet (1)
(c) Information relating to a release agent used when a plurality of the ceramic green sheets (1) are stacked
(d) A serial number.

公开(公告)号：EP4174020A1

公开(公告)日：2023-05-03

申请号：EP21833222.9

申请日：2021-06-29

申请人： Tokuyama Corporation

发明人： MITSUMURA, Norihira ,  KUSANO, Dai ,  KAWAI, Hideaki

IPC分类号： C01B21/068 ,  H01L23/15 ,  C04B35/587 ,  H05K1/03

摘要： The present invention provides a silicon nitride sintered substrate capable of reducing contamination caused by a boron nitride powder or the like used as a releasing agent and problems in bonding strength and dielectric strength at the time of laminating metal layers or the like, where the contamination is caused by a network structure provided by a silicon nitride crystal formed on the surface of the substrate in an unpolished state after sintering a silicon nitride powder. The silicon nitride substrate in an unpolished state after sintering is a silicon nitride sintered substrate where a cumulative volume of pores having a diameter in a range of 1 to 10 µm is not more than 7.0 × 10 -5 mL/cm 2 in a measurement by a mercury porosimetry. Preferably, Ra of the surface is not more than 0.6 µm and arithmetic mean peak curvature (Spc) of a peak is not more than 4.5 [1/mm] .

公开(公告)号：EP4045290A1

公开(公告)日：2022-08-24

申请号：EP20789979.0

申请日：2020-10-13

申请人： BASF SE

发明人： ARBTER, Rene ,  STAUDT, Thorsten Martin ,  SEILER, Rudolf ,  STEINKE, Oleg ,  SCHWENDY, Sascha Tim

IPC分类号： B29C64/106 ,  B29C64/118 ,  B29C64/321 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/10 ,  C04B35/01 ,  C04B35/053 ,  C04B35/057 ,  C04B35/111 ,  C04B35/14 ,  C04B35/486 ,  C04B35/505 ,  C04B35/565 ,  C04B35/58 ,  C04B35/622 ,  C04B35/581 ,  C04B35/587 ,  C04B35/626 ,  C04B35/634

公开(公告)号：EP3932894A1

公开(公告)日：2022-01-05

申请号：EP20765720.6

申请日：2020-02-28

申请人： Denka Company Limited

发明人： YUASA Akimasa ,  KOBASHI Seiji ,  NISHIMURA Koji

IPC分类号： C04B35/622 ,  B28B11/00 ,  C04B35/581 ,  C04B35/587 ,  C04B35/634 ,  H01L23/00 ,  H01L23/12 ,  H05K1/03 ,  H05K3/00

摘要： Provided is a ceramic green sheet including a plurality of substrate forming regions. A barcode or a two-dimensional code is drawn in a portion of the ceramic green sheet. The barcode or the two-dimensional code is obtained by encoding one or more of the following information (a) to (d) .
(a) Information relating to raw materials used when the ceramic green sheet is produced
(b) Information relating to molding conditions of the ceramic green sheet
(c) Information relating to a release agent used when a plurality of the ceramic green sheets are stacked
(d) A serial number

公开(公告)号：EP2784042B1

公开(公告)日：2019-06-12

申请号：EP14159720.3

申请日：2014-03-14

申请人： NGK Insulators, Ltd.

发明人： IZUMI, Yunie ,  KOBAYASHI, Yoshimasa

IPC分类号： C04B35/185 ,  C04B35/569 ,  C04B35/587 ,  C04B35/63 ,  C04B38/00

公开(公告)号：EP2436662B1

公开(公告)日：2018-05-30

申请号：EP10780397.5

申请日：2010-04-27

申请人： NHK Spring Co., Ltd.

发明人： SUZUKI, Kohei ,  MIYAJI, Shinya ,  SAITO, Shinji ,  KANEDA, Noriyoshi

IPC分类号： G01R1/067 ,  C04B35/583 ,  G01R1/06 ,  C04B35/587 ,  C04B35/645 ,  G01R3/00

CPC分类号： G01R3/00 ,  C04B35/583 ,  C04B35/587 ,  C04B35/645 ,  C04B2235/3206 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3225 ,  C04B2235/3445 ,  C04B2235/3852 ,  C04B2235/3873 ,  C04B2235/3878 ,  C04B2235/3882 ,  C04B2235/5292 ,  C04B2235/787 ,  C04B2235/80 ,  G01R1/06722 ,  G01R1/06755 ,  Y10T428/252

摘要： Provided are a ceramic member being a sintered body including at least forsterite and boron nitride as major components, and in which the boron nitride is oriented in one direction, a probe holder formed by using the ceramic member, and a method for manufacturing the ceramic member. In the ceramic member, the index of orientation preference is equal to or lower than 0.07, and the coefficient of thermal expansion at 20 to 300°C in a direction parallel to the direction of orientation is (3 to 5)×10 -6 /°C, or the three-point bending strength based on JIS R 1601 is equal to or higher than 250 MPa.

公开(公告)号：EP1134204B1

公开(公告)日：2016-04-27

申请号：EP01106329.4

申请日：2001-03-15

申请人： Kabushiki Kaisha Toshiba

发明人： Komatsu, Michiyasu

IPC分类号： C04B35/587 ,  C04B35/593 ,  F16C33/04 ,  F16C33/30

CPC分类号： C04B35/584 ,  C04B35/593 ,  F16C33/043 ,  F16C33/32

公开(公告)号：EP2058289B1

公开(公告)日：2013-04-10

申请号：EP07022794.7

申请日：2007-11-23

申请人： ESK Ceramics GmbH & Co.KG

发明人： Uibel, Krishna, Dr.

IPC分类号： C04B35/587 ,  B22D41/02 ,  C03C17/22 ,  C04B41/50 ,  C04B41/87 ,  C23C20/08 ,  C30B11/00 ,  C30B15/10

CPC分类号： C04B35/587 ,  B22D41/02 ,  B82Y30/00 ,  C03C17/007 ,  C03C2217/475 ,  C03C2218/11 ,  C04B35/62625 ,  C04B35/6263 ,  C04B35/62635 ,  C04B35/6264 ,  C04B35/6316 ,  C04B35/6342 ,  C04B41/009 ,  C04B41/5066 ,  C04B41/87 ,  C04B2111/00879 ,  C04B2235/3217 ,  C04B2235/3218 ,  C04B2235/3225 ,  C04B2235/3229 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3418 ,  C04B2235/386 ,  C04B2235/422 ,  C04B2235/48 ,  C04B2235/5436 ,  C04B2235/5454 ,  C23C18/1212 ,  C23C18/1254 ,  C23C18/127 ,  C30B11/002 ,  C30B15/10 ,  C30B35/002 ,  Y10T428/131 ,  Y10T428/1317 ,  Y10T428/249921 ,  Y10T428/259 ,  C04B41/4539 ,  C04B41/4549 ,  C04B41/4922 ,  C04B41/5035 ,  C04B41/5089 ,  C04B35/00 ,  C04B35/14 ,  C04B35/522

公开(公告)号：EP1219579B1

公开(公告)日：2005-07-13

申请号：EP01310900.4

申请日：2001-12-27

申请人： NGK Spark Plug Company Limited

发明人： Funaki, Kouji, c/o NGK Spark Plug Co., Ltd. ,  Matsubara, Katsura, c/o NGK Spark Plug Co., Ltd. ,  Watanabe, Hiroki, c/o NGK Spark Plug Co., Ltd. ,  Ito, Masaya, c/o NGK Spark Plug Co., Ltd.

IPC分类号： C04B35/587

CPC分类号： C04B35/584

公开(公告)号：EP1223150A3

公开(公告)日：2004-01-28

申请号：EP02000223.4

申请日：2002-01-11

申请人： Kabushiki Kaisha Toshiba

发明人： Komatsu, Michiyasu ,  Tonai, Hiroki ,  Komorita, Hiroshi

IPC分类号： C04B35/587 ,  C04B35/593 ,  F16C33/04 ,  F16C33/30

CPC分类号： F16C33/32 ,  C04B35/5935 ,  C04B2235/3206 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3232 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3865 ,  C04B2235/3878 ,  C04B2235/3895 ,  C04B2235/5445 ,  C04B2235/604 ,  C04B2235/6565 ,  C04B2235/658 ,  C04B2235/6581 ,  C04B2235/661 ,  C04B2235/723 ,  C04B2235/75 ,  C04B2235/77 ,  C04B2235/94 ,  C04B2235/95 ,  C04B2235/96 ,  C04B2235/963

摘要： The present invention provides a silicon nitride wear resistant member composed of silicon nitride sintered body containing 1 - 10 mass% of rare earth element in terms of oxide thereof as sintering agent, wherein a total oxygen content of the silicon nitride sintered body is 6 mass% or less, a porosity of the silicon nitride sintered body is 0.5 vol.% or less, and a maximum size of pore existing in grain boundary phase of the silicon nitride sintered body is 0.3µm or less. According to the above structure of the present invention, there can be provided a silicon nitride wear resistant member and a method of manufacturing the member having a high strength and a toughness property, and particularly excellent in sliding characteristics.