公开(公告)号：EP1961716A4

公开(公告)日：2010-08-04

申请号：EP06834776

申请日：2006-12-15

Applicant: TOKUYAMA CORP

Inventor： KANECHIKA YUKIHIRO ,  AZUMA MASANOBU

IPC: C04B37/02 ,  H01J9/32 ,  H01J61/36

CPC classification number: H01J61/366 ,  C04B35/581 ,  C04B35/628 ,  C04B37/025 ,  C04B37/026 ,  C04B2235/3208 ,  C04B2235/3222 ,  C04B2235/3865 ,  C04B2235/3895 ,  C04B2235/404 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6021 ,  C04B2235/652 ,  C04B2235/6587 ,  C04B2235/72 ,  C04B2235/94 ,  C04B2235/9623 ,  C04B2235/9653 ,  C04B2235/9661 ,  C04B2237/08 ,  C04B2237/122 ,  C04B2237/366 ,  C04B2237/403 ,  H01J61/302 ,  H01J61/82

公开(公告)号：EP2006262A4

公开(公告)日：2010-04-21

申请号：EP07738439

申请日：2007-03-13

Applicant: TOKUYAMA CORP

Inventor： KANECHIKA YUKIHIRO ,  AZUMA MASANOBU

IPC: C04B35/581 ,  H01J61/30

CPC classification number: H01J61/302 ,  C04B35/581 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3229 ,  C04B2235/422 ,  C04B2235/425 ,  C04B2235/604 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/658 ,  C04B2235/662 ,  C04B2235/72 ,  C04B2235/721 ,  C04B2235/723 ,  C04B2235/725 ,  C04B2235/85 ,  C04B2235/87 ,  C04B2235/94 ,  C04B2235/9653 ,  Y10T428/13

公开(公告)号：EP2894126A4

公开(公告)日：2016-04-13

申请号：EP13834918

申请日：2013-09-06

Applicant: TOKUYAMA CORP

Inventor： TAMAGAKI MEGUMU ,  KANECHIKA YUKIHIRO

IPC: C01B21/072 ,  H01L23/373

CPC classification number: C01B21/0728 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/80 ,  C01P2006/90 ,  H01L23/3733 ,  H01L23/3737 ,  H01L2924/0002 ,  H01L2924/00

Abstract: Provided is a method for producing a water-resistant aluminum nitride powder capable of adding a good water-resistant property to an aluminum nitride powder wherein yttria exists on a particle surface. The method is for producing a water-resistant aluminum nitride powder by carrying out a treatment to a particle surface of an aluminum nitride powder, the method including the successive steps of (i) making an aluminum nitride powder contact with an acid solution wherein yttria exists at least on a particle surface of the aluminum nitride powder; and (ii) making the aluminum nitride powder contact with a phosphorous acid compound, wherein the amount of yttria which is extracted when the aluminum nitride powder is filtered, washed with water, and dried after the step (i) and is thereafter subjected to extraction with 1 mol/L hydrochloric acid is no more than 1000 mg per 100 g of the aluminum nitride powder.

公开(公告)号：EP1796179A4

公开(公告)日：2011-08-10

申请号：EP05768454

申请日：2005-08-03

Applicant: TOKUYAMA CORP

Inventor： MAEDA MASAKATSU ,  YAMAMOTO YASUYUKI ,  KANECHIKA YUKIHIRO

IPC: H01L33/00 ,  C04B35/581 ,  H01L33/48 ,  H01L33/62 ,  H01L33/64

CPC classification number: H01L33/486 ,  C04B35/581 ,  C04B35/583 ,  C04B35/587 ,  C04B35/6342 ,  C04B35/63424 ,  C04B35/6365 ,  C04B2235/3208 ,  C04B2235/3212 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/442 ,  C04B2235/443 ,  C04B2235/445 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6025 ,  C04B2235/652 ,  C04B2235/6587 ,  C04B2235/723 ,  C04B2235/77 ,  C04B2235/9661 ,  H01L33/60 ,  H01L33/62 ,  H01L33/641 ,  H01L2224/16 ,  H01L2924/01004 ,  H01L2924/01019 ,  H01L2924/0102 ,  H01L2924/01046 ,  H01L2924/01068 ,  H01L2924/01078 ,  H01L2924/01079 ,  H01L2924/12041

公开(公告)号：EP2006268A4

公开(公告)日：2009-11-04

申请号：EP07740222

申请日：2007-03-29

Applicant: TOKUYAMA CORP ,  NAT INST OF ADVANCED IND SCIEN

Inventor： KANECHIKA YUKIHIRO ,  AZUMA MASANOBU ,  YASUOKA MASAKI ,  WATARI KOJI

IPC: C04B37/00

CPC classification number: C04B35/581 ,  C04B37/005 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3229 ,  C04B2235/422 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/658 ,  C04B2235/667 ,  C04B2237/08 ,  C04B2237/366 ,  C04B2237/76

公开(公告)号：EP2922090A4

公开(公告)日：2016-06-15

申请号：EP12888855

申请日：2012-11-20

Applicant: DOWA METALTECH CO LTD ,  TOKUYAMA CORP

Inventor： OSANAI HIDEYO ,  KITAMURA YUKIHIRO ,  AOKI HIROTO ,  KANECHIKA YUKIHIRO ,  SUGAWARA KEN ,  TAKEDA YASUKO

IPC: H01L23/13 ,  C04B37/02 ,  C04B41/91 ,  H05K1/05

CPC classification number: C04B37/02 ,  B23K1/19 ,  B32B15/04 ,  B32B18/00 ,  C04B35/581 ,  C04B37/026 ,  C04B41/91 ,  C04B2235/96 ,  C04B2235/963 ,  C04B2237/125 ,  C04B2237/127 ,  C04B2237/366 ,  C04B2237/407 ,  C04B2237/52 ,  C04B2237/704 ,  C04B2237/706 ,  H01L23/3735 ,  H01L2924/0002 ,  H05K1/0306 ,  H05K3/022 ,  H05K3/38 ,  Y10T428/24355 ,  H01L2924/00

Abstract: After a wet blasting treatment for jetting a slurry, which contains spherical alumina as abrasive grains in a liquid, to the surface of a ceramic substrate 10 of aluminum nitride sintered body so that the ceramic substrate 10 has a residual stress of not higher than -50 MPa and so that the surface of the ceramic substrate 10 to be bonded to the metal plate 14 has an arithmetic average roughness Ra of 0.15 to 0.30 µ m, a ten-point average roughness Rz of 0.7 to 1.1 µ m and a maximum height Ry of 0.9 to 1.7 µ m while causing the ceramic substrate to have a flexural strength of not higher than 500 MPa and causing the thickness of a residual stress layer 10a formed along the surface of the ceramic substrate 10 to be 25 µ m or less, the metal plate 14 of copper or a copper alloy is bonded to the ceramic substrate 10, which is obtained by the wet blasting treatment, via a brazing filler metal 12 to produce a metal/ceramic bonding substrate which has an excellent bonding strength of the ceramic substrate 10 to the metal plate 14 and which has an excellent heat cycle resistance.

公开(公告)号：EP2088135A4

公开(公告)日：2011-06-29

申请号：EP07830295

申请日：2007-10-22

Applicant: TOKUYAMA CORP

Inventor： KANECHIKA YUKIHIRO ,  AZUMA MASANOBU

IPC: C04B37/02 ,  H01J61/36

CPC classification number: C04B37/025 ,  C04B35/581 ,  C04B35/6263 ,  C04B35/632 ,  C04B35/638 ,  C04B35/64 ,  C04B37/026 ,  C04B2235/3208 ,  C04B2235/3222 ,  C04B2235/3895 ,  C04B2235/404 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6567 ,  C04B2235/72 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/94 ,  C04B2235/96 ,  C04B2235/9653 ,  C04B2237/08 ,  C04B2237/366 ,  C04B2237/58 ,  Y10T428/13 ,  Y10T428/1359

公开(公告)号：EP1777204A4

公开(公告)日：2010-12-01

申请号：EP05751393

申请日：2005-06-20

Applicant: TOKUYAMA CORP

Inventor： YAMAMOTO YASUYUKI ,  KANECHIKA YUKIHIRO ,  MAEDA MASAKATSU

IPC: C04B35/581 ,  C04B35/64 ,  C04B41/87 ,  H01L33/48

CPC classification number: C04B35/64 ,  C04B35/581 ,  C04B35/62625 ,  C04B35/6264 ,  C04B35/6303 ,  C04B2235/3205 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/652 ,  C04B2235/656 ,  C04B2235/658 ,  C04B2235/77 ,  C04B2235/85 ,  C04B2235/9607 ,  C04B2235/9646 ,  Y10T428/249921 ,  Y10T428/268

公开(公告)号：EP2955156A4

公开(公告)日：2016-09-21

申请号：EP14749001

申请日：2014-02-06

Applicant: TOKUYAMA CORP

Inventor： FUKUNAGA YUTAKA ,  KANECHIKA YUKIHIRO ,  WANG MENG ,  SUGAWARA KEN

IPC: C01B21/072 ,  C04B35/581 ,  C04B35/626 ,  C08K3/28 ,  C08L101/00 ,  C09K5/14

CPC classification number: C01B21/072 ,  C01B21/0726 ,  C01P2004/03 ,  C01P2004/40 ,  C01P2004/42 ,  C01P2004/52 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2006/10 ,  C01P2006/32 ,  C04B35/581 ,  C04B35/6265 ,  C04B35/6268 ,  C04B2235/3206 ,  C04B2235/3225 ,  C04B2235/3865 ,  C04B2235/3895 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5481 ,  C04B2235/656 ,  C04B2235/666 ,  C04B2235/668 ,  C04B2235/78 ,  C04B2235/787 ,  C04B2235/96 ,  C04B2235/9607 ,  C08K3/28 ,  C08L101/00 ,  C09K5/14 ,  Y10T428/2982

公开(公告)号：EP2952476A4

公开(公告)日：2016-08-10

申请号：EP13873822

申请日：2013-02-04

Applicant: TOKUYAMA CORP

Inventor： FUKUNAGA YUTAKA ,  KANECHIKA YUKIHIRO

IPC: C01B21/072

CPC classification number: C01B21/0726 ,  C01B21/072 ,  C01B21/0728 ,  C01P2004/03 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2006/12 ,  C09K5/14

Abstract: [Problem] To provide a method for producing sintered aluminum nitride granules, which have high thermal conductivity and an excellent property of being filled in a resin, have an average grain diameter of 10 to 200 µm, and are useful as a filler for heat-releasing materials such as a heat-releasing resin, grease, adhesive agent or coating agent, in a simple manner. [Solution] The method for producing sintered aluminum nitride granules according to the present invention is characterized by comprising: a reduction nitridation step of carrying out the reduction nitridation of porous alumina granules at a temperature of 1400 to 1700°C inclusive to produce porous aluminum nitride granules; and a sintering step of sintering the porous aluminum nitride granules, which are produced in the reduction nitridation step, at a temperature of 1580 to 1900°C inclusive.