KR20010107516A - 지와이-크리스탈의 성장방법 - Google Patents
지와이-크리스탈의 성장방법 Download PDFInfo
- Publication number
- KR20010107516A KR20010107516A KR1020000080271A KR20000080271A KR20010107516A KR 20010107516 A KR20010107516 A KR 20010107516A KR 1020000080271 A KR1020000080271 A KR 1020000080271A KR 20000080271 A KR20000080271 A KR 20000080271A KR 20010107516 A KR20010107516 A KR 20010107516A
- Authority
- KR
- South Korea
- Prior art keywords
- autoclave
- growing
- crystals
- crystal
- temperature
- 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.)
- Abandoned
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000010453 quartz Substances 0.000 title description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 27
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 18
- 235000012431 wafers Nutrition 0.000 claims abstract description 14
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010897 surface acoustic wave method Methods 0.000 abstract description 20
- 230000007547 defect Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000003337 fertilizer Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000002269 spontaneous effect Effects 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
- C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
- C30B7/10—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by application of pressure, e.g. hydrothermal processes
-
- 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
- C30B29/16—Oxides
- C30B29/18—Quartz
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
항목별 결과 | Q값 | 트윈 결함 | 침상결함 | 고체 함유율 | 단결정 두께 |
실시예 1 | 1.2 | 0% | 0% | 3등급 | 75mm |
실시예 2 | 1.5 | 4% | 54% | 1등급 | 98mm |
실시예 3 | 2.0 | 0% | 0% | 1등급 | 95mm |
실시예 4 | 1.8 | 35% | 0% | 2등급 | 99mm |
Claims (4)
- 일정한 입자크기의 천연수정원료(1)를 오토클래이브(10)의 하단부에 투입하고 대류조절판(3)을 얹은 후 x축 기준으로 z축에서 y축으로 회전각이 약 00°00"인 판상 종자결정(4)을 오토클래이브의 상단부에 위치시킨 후, 탄산나트륨 또는 수산화나트륨을 포함하는 수열용액(2)을 오토크래이브에 투입하여 80% 내지 85%로 충진시킨 후 오토크래이브를 밀봉시킨 다음, 상단부 온도를 330 내지 360℃로 강하시키고 하단부 온도를 상단부의 온도보다 5∼20℃로 높게 승온시키고 압력을 900bar 이상으로 하여 100일 이상의 기간동안 유지시켜 60mm 이상의 두께를 갖는 zy-크리스탈을 제공하는 것을 특징으로 하는 3" 및 4"의 SAW 웨이퍼용 zy-크리스탈의 성장방법.
- 제1항에 있어서, 상기 대류조절판(3)은 2∼10%의 개공도를 갖는 것을 특징으로 하는 zy-크리스탈의 성장방법.
- 제1항에 있어서, 상기 수열용액(2)은 6∼8% 탄산나트륨 수용액인 것을 특징으로 하는 zy-크리스탈의 성장방법.
- 제1항에 있어서, 상기 수열용액(2)은 3∼4.5%의 수산나트륨 수용액인 것을 특징으로 하는 zy-크리스탈의 성장방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000080271A KR20010107516A (ko) | 2000-12-22 | 2000-12-22 | 지와이-크리스탈의 성장방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000080271A KR20010107516A (ko) | 2000-12-22 | 2000-12-22 | 지와이-크리스탈의 성장방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20010107516A true KR20010107516A (ko) | 2001-12-07 |
Family
ID=19703466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000080271A Abandoned KR20010107516A (ko) | 2000-12-22 | 2000-12-22 | 지와이-크리스탈의 성장방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20010107516A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101372758B (zh) * | 2007-08-23 | 2010-09-15 | 四川省三台水晶电子有限公司 | 压电水晶无籽晶声表晶片的制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936276A (en) * | 1973-12-06 | 1976-02-03 | Vladimir Sergeevich Balitsky | Process for producing amethyst crystal |
US4021294A (en) * | 1974-01-18 | 1977-05-03 | Valentin Evstafievich Khadzhi | Process for producing amethyst crystals |
JPS5585499A (en) * | 1978-12-15 | 1980-06-27 | Seiko Instr & Electronics Ltd | Artificial rock crystal growing method |
US4956047A (en) * | 1988-08-08 | 1990-09-11 | The United States Of America As Represented By The Secretary Of The Air Force | Process of making high quality single quartz crystal using silica glass nutrient |
US5135603A (en) * | 1982-03-11 | 1992-08-04 | The United States Of America As Represented By The United States Department Of Energy | Quartz crystal growth |
US6001171A (en) * | 1995-12-20 | 1999-12-14 | Cts Corporation | ST-cut and AT-cut oriented seed bodies for quartz crystal synthesis and method for making the same |
KR20000020807A (ko) * | 1998-09-24 | 2000-04-15 | 김충섭 | 고순도 수정 단결정의 제조방법 |
-
2000
- 2000-12-22 KR KR1020000080271A patent/KR20010107516A/ko not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936276A (en) * | 1973-12-06 | 1976-02-03 | Vladimir Sergeevich Balitsky | Process for producing amethyst crystal |
US4021294A (en) * | 1974-01-18 | 1977-05-03 | Valentin Evstafievich Khadzhi | Process for producing amethyst crystals |
JPS5585499A (en) * | 1978-12-15 | 1980-06-27 | Seiko Instr & Electronics Ltd | Artificial rock crystal growing method |
US5135603A (en) * | 1982-03-11 | 1992-08-04 | The United States Of America As Represented By The United States Department Of Energy | Quartz crystal growth |
US4956047A (en) * | 1988-08-08 | 1990-09-11 | The United States Of America As Represented By The Secretary Of The Air Force | Process of making high quality single quartz crystal using silica glass nutrient |
US6001171A (en) * | 1995-12-20 | 1999-12-14 | Cts Corporation | ST-cut and AT-cut oriented seed bodies for quartz crystal synthesis and method for making the same |
KR20000020807A (ko) * | 1998-09-24 | 2000-04-15 | 김충섭 | 고순도 수정 단결정의 제조방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101372758B (zh) * | 2007-08-23 | 2010-09-15 | 四川省三台水晶电子有限公司 | 压电水晶无籽晶声表晶片的制备方法 |
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20001222 |
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Comment text: Request for Early Opening Patent event code: PG15011R01I Patent event date: 20011119 |
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Comment text: Notification of reason for refusal Patent event date: 20030509 Patent event code: PE09021S01D |
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E701 | Decision to grant or registration of patent right | ||
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20031210 |
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PC1904 | Unpaid initial registration fee |