JP2001518870A - GaN及びGa▲下1−x−y▼Al▲下x▼In▲下y▼Nの結晶及びエピタキシャル層の機械−化学研摩 - Google Patents
GaN及びGa▲下1−x−y▼Al▲下x▼In▲下y▼Nの結晶及びエピタキシャル層の機械−化学研摩Info
- Publication number
- JP2001518870A JP2001518870A JP54264598A JP54264598A JP2001518870A JP 2001518870 A JP2001518870 A JP 2001518870A JP 54264598 A JP54264598 A JP 54264598A JP 54264598 A JP54264598 A JP 54264598A JP 2001518870 A JP2001518870 A JP 2001518870A
- Authority
- JP
- Japan
- Prior art keywords
- polishing
- crystal
- chemical
- gan
- aqueous solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 34
- 239000013078 crystal Substances 0.000 title claims abstract description 26
- 239000000126 substance Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 230000007547 defect Effects 0.000 claims abstract description 6
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 4
- 238000003486 chemical etching Methods 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 238000000407 epitaxy Methods 0.000 claims 1
- 238000005530 etching Methods 0.000 abstract description 6
- 230000001788 irregular Effects 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
- C30B29/403—AIII-nitrides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
- C30B29/403—AIII-nitrides
- C30B29/406—Gallium nitride
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Weting (AREA)
- Semiconductor Lasers (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.GaN及びGaAlInNの結晶及びエピタキシャル層の表面から不規則性 及び重大な欠陥領域を機械‐化学研摩により除去する方法であって、その表面 には濃度0.01N以上の塩基性水溶液からなる化学的エッチング剤の存在下 において、10秒間にわたり圧力を加えて、ソフトパッドで研摩し、次いで、 エッチング剤を純水で置換するとともに、少なくとも1分間研摩し、さらに、 圧力の低下に伴って研摩機を停止し、研摩されたGaN結晶及びエピタキシャ ルGaAlInN層が研摩機より除去されるとともに、乾燥窒素ガス流中で乾 燥されるものであることを特徴とする方法。 2.塩基性水溶液をナトリウム塩基NaOH、カリウム塩基KOH及びそれらの 混合物からなる水溶液と置換することを特徴とする請求項1記載の方法。 3.化学的エッチング剤及び純水の存在下において、1〜100rpmの角速度 で回転しつつ研摩することを特徴とする請求項1記載の方法。 4.研摩パツド上に1秒間1〜5滴の割合で化学的エッチング剤を添加しつつ研 摩することを特徴とする請求項1記載の方法。 5.研摩パッド上に1秒間1滴以上の割合で純水を添加しつつ研摩することを特 徴とする請求項1記載の方法。 6.結晶面上に公称圧0.1MPa以上の圧力を加えながら研摩することを特徴 とする請求項5記載の手段。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL97319329A PL184902B1 (pl) | 1997-04-04 | 1997-04-04 | Sposób usuwania nierówności i obszarów silnie zdefektowanych z powierzchni kryształów i warstw epitaksjalnych GaN i Ga AL In N |
PL319329 | 1997-04-04 | ||
PCT/PL1998/000010 WO1998045511A1 (en) | 1997-04-04 | 1998-03-13 | MECHANO-CHEMICAL POLISHING OF CRYSTALS AND EPITAXIAL LAYERS OF GaN AND Ga1-x-yAlxInyN |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2001518870A true JP2001518870A (ja) | 2001-10-16 |
JP2001518870A5 JP2001518870A5 (ja) | 2006-01-05 |
JP4184441B2 JP4184441B2 (ja) | 2008-11-19 |
Family
ID=20069596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54264598A Expired - Fee Related JP4184441B2 (ja) | 1997-04-04 | 1998-03-13 | GaN及びGa▲下1−x−y▼Al▲下x▼In▲下y▼Nの結晶及びエピタキシャル層の機械−化学研摩 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6399500B1 (ja) |
EP (1) | EP0972097B1 (ja) |
JP (1) | JP4184441B2 (ja) |
AT (1) | ATE204037T1 (ja) |
DE (1) | DE69801316T2 (ja) |
PL (1) | PL184902B1 (ja) |
WO (1) | WO1998045511A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004281671A (ja) * | 2003-03-14 | 2004-10-07 | Ricoh Co Ltd | Iii族窒化物結晶の研磨方法およびiii族窒化物結晶および半導体デバイス |
JPWO2004112116A1 (ja) * | 2003-06-16 | 2006-07-27 | 住友電気工業株式会社 | 窒化物半導体結晶表面の加工方法およびその方法により得られた窒化物半導体結晶 |
JP2009164634A (ja) * | 2001-06-08 | 2009-07-23 | Cree Inc | 高表面品質GaNウェーハおよびその製造方法 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4145437B2 (ja) * | 1999-09-28 | 2008-09-03 | 住友電気工業株式会社 | 単結晶GaNの結晶成長方法及び単結晶GaN基板の製造方法と単結晶GaN基板 |
JP2001144014A (ja) * | 1999-11-17 | 2001-05-25 | Ngk Insulators Ltd | エピタキシャル成長用基板およびその製造方法 |
US7160388B2 (en) * | 2001-06-06 | 2007-01-09 | Nichia Corporation | Process and apparatus for obtaining bulk monocrystalline gallium-containing nitride |
JP4097601B2 (ja) * | 2001-10-26 | 2008-06-11 | アンモノ・スプウカ・ジ・オグラニチョノン・オドポヴィエドニアウノシツィオン | 窒化物半導体レーザ素子、及びその製造方法 |
CA2464083C (en) * | 2001-10-26 | 2011-08-02 | Ammono Sp. Z O.O. | Substrate for epitaxy |
JP4403067B2 (ja) * | 2002-05-17 | 2010-01-20 | アンモノ・スプウカ・ジ・オグラニチョノン・オドポヴィエドニアウノシツィオン | 超臨界アンモニアを用いるバルク単結晶生産設備 |
JP4416648B2 (ja) * | 2002-05-17 | 2010-02-17 | アンモノ・スプウカ・ジ・オグラニチョノン・オドポヴィエドニアウノシツィオン | 発光素子の製造方法 |
US20060138431A1 (en) * | 2002-05-17 | 2006-06-29 | Robert Dwilinski | Light emitting device structure having nitride bulk single crystal layer |
AU2003238980A1 (en) * | 2002-06-26 | 2004-01-19 | Ammono Sp. Z O.O. | Process for obtaining of bulk monocrystallline gallium-containing nitride |
EP1581675B1 (en) * | 2002-12-11 | 2009-10-14 | AMMONO Sp. z o.o. | A template type substrate and a method of preparing the same |
US7811380B2 (en) * | 2002-12-11 | 2010-10-12 | Ammono Sp. Z O.O. | Process for obtaining bulk mono-crystalline gallium-containing nitride |
EP1769105B1 (en) * | 2004-06-11 | 2014-05-14 | Ammono S.A. | Bulk mono-crystalline gallium nitride and method for its preparation |
PL371405A1 (pl) * | 2004-11-26 | 2006-05-29 | Ammono Sp.Z O.O. | Sposób wytwarzania objętościowych monokryształów metodą wzrostu na zarodku |
JP2007299979A (ja) | 2006-05-01 | 2007-11-15 | Sumitomo Electric Ind Ltd | Iii族窒化物結晶の表面処理方法およびiii族窒化物結晶基板 |
US7585772B2 (en) * | 2006-07-26 | 2009-09-08 | Freiberger Compound Materials Gmbh | Process for smoothening III-N substrates |
EP2024992B1 (de) | 2006-07-26 | 2017-03-01 | Freiberger Compound Materials GmbH | Verfahren zum glätten von iii-n-substraten |
JP2009272380A (ja) | 2008-05-01 | 2009-11-19 | Sumitomo Electric Ind Ltd | Iii族窒化物結晶およびその表面処理方法、iii族窒化物積層体およびその製造方法、ならびにiii族窒化物半導体デバイスおよびその製造方法 |
-
1997
- 1997-04-04 PL PL97319329A patent/PL184902B1/pl unknown
-
1998
- 1998-03-13 JP JP54264598A patent/JP4184441B2/ja not_active Expired - Fee Related
- 1998-03-13 US US09/402,692 patent/US6399500B1/en not_active Expired - Fee Related
- 1998-03-13 AT AT98907295T patent/ATE204037T1/de not_active IP Right Cessation
- 1998-03-13 DE DE69801316T patent/DE69801316T2/de not_active Expired - Lifetime
- 1998-03-13 EP EP98907295A patent/EP0972097B1/en not_active Expired - Lifetime
- 1998-03-13 WO PCT/PL1998/000010 patent/WO1998045511A1/en active IP Right Grant
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009164634A (ja) * | 2001-06-08 | 2009-07-23 | Cree Inc | 高表面品質GaNウェーハおよびその製造方法 |
JP2014042067A (ja) * | 2001-06-08 | 2014-03-06 | Cree Inc | 高表面品質GaNウェーハおよびその製造方法 |
JP2004281671A (ja) * | 2003-03-14 | 2004-10-07 | Ricoh Co Ltd | Iii族窒化物結晶の研磨方法およびiii族窒化物結晶および半導体デバイス |
JP4511801B2 (ja) * | 2003-03-14 | 2010-07-28 | 株式会社リコー | Iii族窒化物結晶の研磨方法およびiii族窒化物結晶および半導体デバイス |
JPWO2004112116A1 (ja) * | 2003-06-16 | 2006-07-27 | 住友電気工業株式会社 | 窒化物半導体結晶表面の加工方法およびその方法により得られた窒化物半導体結晶 |
Also Published As
Publication number | Publication date |
---|---|
WO1998045511A1 (en) | 1998-10-15 |
EP0972097B1 (en) | 2001-08-08 |
ATE204037T1 (de) | 2001-08-15 |
US6399500B1 (en) | 2002-06-04 |
DE69801316D1 (de) | 2001-09-13 |
PL184902B1 (pl) | 2003-01-31 |
EP0972097A1 (en) | 2000-01-19 |
DE69801316T2 (de) | 2002-05-02 |
JP4184441B2 (ja) | 2008-11-19 |
PL319329A1 (en) | 1998-10-12 |
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