JP2010513082A - 高温軸方向圧縮方法 - Google Patents
高温軸方向圧縮方法 Download PDFInfo
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- JP2010513082A JP2010513082A JP2009542367A JP2009542367A JP2010513082A JP 2010513082 A JP2010513082 A JP 2010513082A JP 2009542367 A JP2009542367 A JP 2009542367A JP 2009542367 A JP2009542367 A JP 2009542367A JP 2010513082 A JP2010513082 A JP 2010513082A
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- mold shell
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- 238000000034 method Methods 0.000 title claims description 30
- 230000006835 compression Effects 0.000 title claims description 7
- 238000007906 compression Methods 0.000 title claims description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 69
- 239000000843 powder Substances 0.000 claims abstract description 65
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 125000006850 spacer group Chemical group 0.000 claims description 35
- 229910010293 ceramic material Inorganic materials 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 12
- 238000002591 computed tomography Methods 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910002804 graphite Inorganic materials 0.000 description 11
- 239000010439 graphite Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 239000011733 molybdenum Substances 0.000 description 6
- 239000011888 foil Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910026551 ZrC Inorganic materials 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0005—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses
- B30B15/0017—Deairing means
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/547—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on sulfides or selenides or tellurides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Description
Claims (10)
- セラミック粉末(特に、ドープしたGd2O2S)を焼結するための高温軸方向圧縮方法であって:
第一多孔質体、前記セラミック粉末、及び第二多孔質体を、支持体によって支持されるモールドシェル内に置くステップであり、前記セラミック粉末が前記第一多孔質体と前記第二多孔質体との間に位置付けられるところのステップ;
0.8bar未満(特に、1×10−3bar未満)の周囲圧力までガス状成分を前記セラミック粉末から抜き取るステップ;
少なくとも900℃の最大温度まで前記多孔質体及び前記セラミック粉末を加熱するステップ;及び
少なくとも75MPa(特に、少なくとも120MPa)の最大圧力まで前記多孔質体及び前記セラミック粉末に圧力を加えるステップ;を含み、
当該方法は:
前記モールドシェルと前記支持体との接続を切るステップ;を含み、
前記加熱するステップの時間の変化、及び、前記圧力を加えるステップの時間の変化は、前記モールドシェルが前記支持体に対し非接続の状態で前記多孔質体及び/又は前記セラミック粉末によって保持されるように、相互に調節される、
方法。 - 前記モールドシェルと前記セラミック粉末との間、及び、前記モールドシェルと前記多孔質体との間の摩擦が低減されるように、滑剤(特に、窒化ホウ素)が前記モールドシェル上に提供される、
請求項1に従った方法。 - 少なくとも第一スタック及び第二スタックが提供され、
各スタックは、前記多孔質体の間に備えられる前記セラミック粉末を含み、
前記第一スタック及び前記第二スタックは、二つの異なるモールドシェル内に置かれ、且つ、
各モールドシェルは、非接続状態で保持される、
請求項1又は2に従った方法。 - スタックをそのモールドシェルに封入するために前記第一スタックと第二スタックとの間にスペーサ要素が提供され、
前記スペーサ要素は、前記モールドシェルの前記スペーサ要素に対する相対運動を制限するためのストッパ要素を含む、
請求項3に従った方法。 - 前記スペーサ要素の配置、及び、前記スペーサ要素に用いられる材料の熱膨張係数は、前記モールドシェルの非接続状態において前記セラミック粉末及び/又は前記多孔質体によって前記モールドシェルを保持するための摩擦力が、前記スペーサ要素がない場合より低いが、圧力を加える前の状態の場合より高いものとなるよう、選択される、
請求項4に従った方法。 - 前記スペーサ要素は、前記スペーサ要素の温度を調節するための温度制御手段に、且つ/或いは、前記モールドシェルを前記スペーサ要素にクランプするためのクランプ手段に接続される、
請求項4又は5に従った方法。 - 前記支持体は、熱放射防護として用いられる、
請求項1乃至6の何れか一項に従った方法。 - 請求項1乃至7の何れかに従った方法によって製造可能なセラミック材料。
- 前記セラミック材料は、特に、少なくとも99.9%(重量比)のドープしたGd2O2Sを含む、
請求項8に従ったセラミック材料。 - 請求項8又は9に従ったセラミック材料でできたセラミックウエハを含むコンピュータ断層撮影スキャナ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06126654.0 | 2006-12-20 | ||
EP06126654 | 2006-12-20 | ||
PCT/IB2007/055221 WO2008075296A2 (en) | 2006-12-20 | 2007-12-19 | Hot axial pressing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010513082A true JP2010513082A (ja) | 2010-04-30 |
JP5345948B2 JP5345948B2 (ja) | 2013-11-20 |
Family
ID=39338929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009542367A Expired - Fee Related JP5345948B2 (ja) | 2006-12-20 | 2007-12-19 | 高温軸方向圧縮方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8221664B2 (ja) |
EP (1) | EP2094621B1 (ja) |
JP (1) | JP5345948B2 (ja) |
CN (1) | CN101573309B (ja) |
AT (1) | ATE534617T1 (ja) |
WO (1) | WO2008075296A2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9315724B2 (en) | 2011-06-14 | 2016-04-19 | Basf Se | Metal complexes comprising azabenzimidazole carbene ligands and the use thereof in OLEDs |
WO2013014557A1 (en) | 2011-07-28 | 2013-01-31 | Koninklijke Philips Electronics N.V. | Terbium based detector scintillator |
AU2013286602A1 (en) * | 2012-07-06 | 2015-01-29 | Board Of Trustees Of Michigan State University | Thermoelectric materials based on tetrahedrite structure for thermoelectric devices |
US10622534B2 (en) | 2013-07-03 | 2020-04-14 | Board Of Trustees Of Michigan State University | Thermoelectric materials based on tetrahedrite structure for thermoelectric devices |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5757611A (en) * | 1980-08-01 | 1982-04-06 | Atomic Energy Authority Uk | Compression of ceramic material at high temperature |
JPS62100491U (ja) * | 1985-12-14 | 1987-06-26 | ||
JPS62290801A (ja) * | 1986-06-09 | 1987-12-17 | Kobe Steel Ltd | 等方圧加圧方法 |
JP2005112658A (ja) * | 2003-10-07 | 2005-04-28 | Chubu Electric Power Co Inc | 金属酸化物焼結体の製造方法、及び金属酸化物焼結体 |
WO2005110943A1 (en) * | 2004-05-17 | 2005-11-24 | Philips Intellectual Property & Standards Gmbh | Fluorescent ceramic and fabrication method thereof |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH389176A (fr) * | 1961-08-21 | 1965-03-15 | Kodak Sa | Elément optique et procédé pour sa fabrication |
GB1139280A (en) * | 1966-11-22 | 1969-01-08 | Eastman Kodak Co | Manufacture of optical elements |
US4009977A (en) * | 1976-04-29 | 1977-03-01 | United States Steel Corporation | Apparatus for the triaxial compression of particulate material |
DE4224931C2 (de) | 1992-07-28 | 1995-11-23 | Siemens Ag | Verfahren zur Herstellung einer Szintillatorkeramik und deren Verwendung |
DE4402258C2 (de) | 1994-01-26 | 1996-06-20 | Siemens Ag | Leuchtstoff mit reduziertem Nachleuchten |
DE19913545C1 (de) | 1999-03-25 | 2000-07-06 | Siemens Ag | Verfahren zur Herstellung von Szintillatorkeramik |
US6967330B1 (en) | 2003-05-15 | 2005-11-22 | Alem Associates | High-density polycrystalline lutetium silicate materials activated with Ce |
-
2007
- 2007-12-19 CN CN2007800469031A patent/CN101573309B/zh active Active
- 2007-12-19 WO PCT/IB2007/055221 patent/WO2008075296A2/en active Application Filing
- 2007-12-19 US US12/519,583 patent/US8221664B2/en not_active Expired - Fee Related
- 2007-12-19 JP JP2009542367A patent/JP5345948B2/ja not_active Expired - Fee Related
- 2007-12-19 EP EP07859446A patent/EP2094621B1/en not_active Not-in-force
- 2007-12-19 AT AT07859446T patent/ATE534617T1/de active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5757611A (en) * | 1980-08-01 | 1982-04-06 | Atomic Energy Authority Uk | Compression of ceramic material at high temperature |
JPS62100491U (ja) * | 1985-12-14 | 1987-06-26 | ||
JPS62290801A (ja) * | 1986-06-09 | 1987-12-17 | Kobe Steel Ltd | 等方圧加圧方法 |
JP2005112658A (ja) * | 2003-10-07 | 2005-04-28 | Chubu Electric Power Co Inc | 金属酸化物焼結体の製造方法、及び金属酸化物焼結体 |
WO2005110943A1 (en) * | 2004-05-17 | 2005-11-24 | Philips Intellectual Property & Standards Gmbh | Fluorescent ceramic and fabrication method thereof |
Also Published As
Publication number | Publication date |
---|---|
US8221664B2 (en) | 2012-07-17 |
WO2008075296A3 (en) | 2008-08-14 |
CN101573309A (zh) | 2009-11-04 |
CN101573309B (zh) | 2013-05-29 |
WO2008075296A2 (en) | 2008-06-26 |
EP2094621A2 (en) | 2009-09-02 |
ATE534617T1 (de) | 2011-12-15 |
JP5345948B2 (ja) | 2013-11-20 |
EP2094621B1 (en) | 2011-11-23 |
US20100167909A1 (en) | 2010-07-01 |
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