JP2013129593A - 多結晶シリコン部材およびシリコン体を破壊する方法 - Google Patents
多結晶シリコン部材およびシリコン体を破壊する方法 Download PDFInfo
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- JP2013129593A JP2013129593A JP2012278081A JP2012278081A JP2013129593A JP 2013129593 A JP2013129593 A JP 2013129593A JP 2012278081 A JP2012278081 A JP 2012278081A JP 2012278081 A JP2012278081 A JP 2012278081A JP 2013129593 A JP2013129593 A JP 2013129593A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/002—Precutting and tensioning or breaking
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
- C01B33/035—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition or reduction of gaseous or vaporised silicon compounds in the presence of heated filaments of silicon, carbon or a refractory metal, e.g. tantalum or tungsten, or in the presence of heated silicon rods on which the formed silicon is deposited, a silicon rod being obtained, e.g. Siemens process
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T225/00—Severing by tearing or breaking
- Y10T225/10—Methods
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Abstract
【解決手段】シリコン体、好ましくは多結晶シリコンのロッド、を破壊する方法であって、下記の工程:a)シリコン体の最低固有曲げ周波数を測定する工程と、b)振動発生機によりシリコン体をその最低固有曲げ周波数で励起し、励起を、シリコン体の励起点で行い、シリコン体を励起点で破壊する工程とを含んでなり、0.07ng/cm2〜1ng/cm2の金属汚染を含んでなる破壊表面を有するシリコン部材が得られる、方法。
【選択図】図1
Description
a)シリコン体の最低固有曲げ周波数を測定する工程と、
b)振動発生機によりシリコン体をその最低固有曲げ周波数で励起し、励起を、シリコン体の励起点で行って、シリコン体を励起点で破壊する工程と
を含んでなり、0.07ng/cm2〜1ng/cm2の金属汚染を含んでなる破壊表面を有するシリコン部材、好ましくは多結晶シリコン部材、が得られる、方法によっても達成される。
4個のシリコン部材を多結晶シリコンロッドから製造した。続いて4個のシリコン部材のそれぞれから得た試料をINAA(計器による中性子活性化分析)(Instrumental neutron activation analysis)により検査した。
長さ1mで縁部長さ50mmの正方形多結晶シリコンロッドを振動試験台で動電型発生機を使用して破壊した。
Claims (9)
- 少なくとも一つの破壊表面又は切断表面を有し、前記表面の金属汚染が0.07ng/cm2〜1ng/cm2である、多結晶シリコン部材。
- 下記の総濃度:Cr0.5〜5pptw、W0.1〜0.5pptw、Au0.001〜0.1pptw、Fe20〜50pptw、Co0.05〜0.3pptw、Ni30〜70pptw、Cu30〜50pptw、Zn1.5〜3pptw、As0.05〜4pptwおよびSb0.02〜0.6pptwをさらに有する、請求項1に記載の多結晶シリコン部材。
- 前記破壊表面又は切断表面上に、下記の濃度:Fe0.01〜0.08ng/cm2、Cu0.01〜0.12ng/cm2、Ni0.01〜0.06ng/cm2、Cr0.01〜0.08ng/cm2、Na0.01〜0.12ng/cm2、Zn0.01〜0.06ng/cm2、Al0.01〜0.10ng/cm2をさらに有する、請求項1又は2に記載の多結晶シリコン部材。
- シリコン体、好ましくは多結晶シリコンのロッド、を破壊する方法であって、下記の工程:
a)前記シリコン体の最低固有曲げ周波数を測定する工程と、
b)振動発生機により前記シリコン体を前記最低固有曲げ周波数で励起し、前記励起を前記シリコン体の前記励起点で行って、前記シリコン体を前記励起点で破壊する工程と
を含んでなり、0.07ng/cm2から最大1ng/cm2の金属汚染を含んでなる破壊表面を有するシリコン部材が得られる、方法。 - 前記振動発生機として、動電型発生機、油圧型発生機又は方向アンバランス型発生機が使用される、請求項4に記載の方法。
- 前記シリコン体の前記最低固有曲げ周波数が、衝撃法により決定される、請求項4又は5に記載の方法。
- 前記振動発生機の励起力が、機械的連結又は無接触により与えられる、請求項4〜6のいずれか一項に記載の方法。
- 前記シリコン体が、前記励起の際に、曲げモーメント無しに固定される、請求項4〜7のいずれか一項に記載の方法。
- 前記シリコン体が、前記励起の際に、シリコンプレートより20〜100mm上に位置する、請求項4〜8のいずれか一項に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110089356 DE102011089356A1 (de) | 2011-12-21 | 2011-12-21 | Polykristallines Siliciumstück und Verfahren zum Brechen eines Siliciumkörpers |
DE102011089356.3 | 2011-12-21 |
Publications (2)
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JP2013129593A true JP2013129593A (ja) | 2013-07-04 |
JP5518988B2 JP5518988B2 (ja) | 2014-06-11 |
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JP2012278081A Expired - Fee Related JP5518988B2 (ja) | 2011-12-21 | 2012-12-20 | 多結晶シリコン部材およびシリコン体を破壊する方法 |
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US (1) | US8939336B2 (ja) |
EP (1) | EP2607309B1 (ja) |
JP (1) | JP5518988B2 (ja) |
KR (1) | KR101468279B1 (ja) |
CN (1) | CN103172068A (ja) |
CA (1) | CA2795822C (ja) |
DE (1) | DE102011089356A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019189001A1 (ja) * | 2018-03-28 | 2019-10-03 | 株式会社トクヤマ | 多結晶シリコン破砕塊およびその製造方法 |
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FR2986175A1 (fr) * | 2012-01-31 | 2013-08-02 | St Microelectronics Tours Sas | Procede et dispositif de decoupe d'une plaquette |
DE102013219070A1 (de) | 2013-09-23 | 2015-03-26 | Wacker Chemie Ag | Verfahren zur Herstellung von polykristallinem Silicium |
CN106000594A (zh) * | 2016-05-12 | 2016-10-12 | 大工(青岛)新能源材料技术研究院有限公司 | 一种实现多晶硅无污染小颗粒破碎的方法 |
CN106391258A (zh) * | 2016-11-16 | 2017-02-15 | 亚洲硅业(青海)有限公司 | 多晶硅棒破碎方法及多晶硅棒破碎装置 |
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JPH11188281A (ja) * | 1997-11-06 | 1999-07-13 | Wacker Chemie Gmbh | 結晶の粉砕のための予備処理方法 |
JP2005288332A (ja) * | 2004-03-31 | 2005-10-20 | Mitsubishi Materials Polycrystalline Silicon Corp | 多結晶シリコンロッドの破砕方法 |
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CN102059170B (zh) * | 2010-11-26 | 2011-10-19 | 镇江荣德新能源科技有限公司 | 一种破碎多晶硅棒的装置及方法 |
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- 2011-12-21 DE DE201110089356 patent/DE102011089356A1/de not_active Withdrawn
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- 2012-11-16 CA CA 2795822 patent/CA2795822C/en not_active Expired - Fee Related
- 2012-12-07 EP EP20120196041 patent/EP2607309B1/de not_active Not-in-force
- 2012-12-10 US US13/709,211 patent/US8939336B2/en not_active Expired - Fee Related
- 2012-12-18 KR KR1020120148537A patent/KR101468279B1/ko not_active IP Right Cessation
- 2012-12-20 CN CN2012105570888A patent/CN103172068A/zh active Pending
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JPH0653317A (ja) * | 1992-05-27 | 1994-02-25 | Wacker Chemitronic Ges Elektron Grundstoffe Mbh | 半導体材料、とくにシリコンの汚染の無い小片切断方法 |
JPH11188281A (ja) * | 1997-11-06 | 1999-07-13 | Wacker Chemie Gmbh | 結晶の粉砕のための予備処理方法 |
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Cited By (3)
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WO2019189001A1 (ja) * | 2018-03-28 | 2019-10-03 | 株式会社トクヤマ | 多結晶シリコン破砕塊およびその製造方法 |
JP6636225B1 (ja) * | 2018-03-28 | 2020-01-29 | 株式会社トクヤマ | 多結晶シリコン破砕塊およびその製造方法 |
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KR101468279B1 (ko) | 2014-12-03 |
CA2795822C (en) | 2014-10-07 |
EP2607309B1 (de) | 2014-09-17 |
CN103172068A (zh) | 2013-06-26 |
DE102011089356A1 (de) | 2013-06-27 |
JP5518988B2 (ja) | 2014-06-11 |
CA2795822A1 (en) | 2013-06-21 |
US20140004030A1 (en) | 2014-01-02 |
KR20130072153A (ko) | 2013-07-01 |
US8939336B2 (en) | 2015-01-27 |
EP2607309A1 (de) | 2013-06-26 |
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