JP2006514910A5 - - Google Patents

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Publication number
JP2006514910A5
JP2006514910A5 JP2004568335A JP2004568335A JP2006514910A5 JP 2006514910 A5 JP2006514910 A5 JP 2006514910A5 JP 2004568335 A JP2004568335 A JP 2004568335A JP 2004568335 A JP2004568335 A JP 2004568335A JP 2006514910 A5 JP2006514910 A5 JP 2006514910A5
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JP
Japan
Prior art keywords
glass
mgo
ceramic
total weight
microstructure
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JP2004568335A
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English (en)
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JP4641185B2 (ja
JP2006514910A (ja
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Priority claimed from US10/358,855 external-priority patent/US7258707B2/en
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Publication of JP2006514910A publication Critical patent/JP2006514910A/ja
Publication of JP2006514910A5 publication Critical patent/JP2006514910A5/ja
Application granted granted Critical
Publication of JP4641185B2 publication Critical patent/JP4641185B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (5)

  1. Alと、Laと、Yと、MgOとを含むガラスであって、前記ガラスの総重量を基準にして、前記ガラスの少なくとも70重量パーセントが、合計で、前記Alと、前記Laと、前記Yと、前記MgOとを含み、前記Al、La、Y、およびMgOの合計重量の少なくとも70重量パーセントが、Alである、ガラス。
  2. ガラスセラミックであって、前記ガラスセラミックが、Alと、Laと、Yと、MgOとを含み、前記ガラスセラミックの総重量を基準にして、前記ガラスセラミックの少なくとも70重量パーセントが、合計で、前記Alと、前記Laと、前記Yと、前記MgOとを含み、前記Al、La、Y、およびMgOの合計重量の少なくとも70重量パーセントが、Alである、ガラスセラミック。
  3. ガラスセラミック(a)が平均微結晶サイズ1マイクロメートル未満の微結晶を含む微細構造を示し、ガラスセラミック(b)が共晶微細構造特徴がなく、前記Yの少なくとも一部が、別個の結晶質相として存在する、請求項2に記載のガラスセラミック。
  4. ガラスセラミック(a)が平均微結晶サイズ200ナノメートル未満の微結晶を含む微細構造を示し、ガラスセラミック(b)が密度が理論密度の少なくとも90%であり、前記Yの少なくとも一部が、別個の結晶質相として存在する、請求項2に記載のガラスセラミック。
  5. 請求項2、請求項3または請求項4に記載のガラスセラミックを含む研磨粒子。
JP2004568335A 2003-02-05 2003-12-16 Al2O3−La2O3−Y2O3−MgOセラミックおよびその製造方法 Expired - Fee Related JP4641185B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/358,855 US7258707B2 (en) 2003-02-05 2003-02-05 AI2O3-La2O3-Y2O3-MgO ceramics, and methods of making the same
PCT/US2003/040395 WO2004071990A2 (en) 2003-02-05 2003-12-16 Al2o3-la2o3-y2o3-mgo ceramics, and methods of making the same

Publications (3)

Publication Number Publication Date
JP2006514910A JP2006514910A (ja) 2006-05-18
JP2006514910A5 true JP2006514910A5 (ja) 2007-02-08
JP4641185B2 JP4641185B2 (ja) 2011-03-02

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JP2004568335A Expired - Fee Related JP4641185B2 (ja) 2003-02-05 2003-12-16 Al2O3−La2O3−Y2O3−MgOセラミックおよびその製造方法

Country Status (7)

Country Link
US (1) US7258707B2 (ja)
EP (1) EP1594810A2 (ja)
JP (1) JP4641185B2 (ja)
KR (1) KR20050095888A (ja)
AU (1) AU2003301066A1 (ja)
CA (1) CA2515183A1 (ja)
WO (1) WO2004071990A2 (ja)

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