KR100198241B1 - Litao3 단결정의 정방위 결정방법 - Google Patents
Litao3 단결정의 정방위 결정방법 Download PDFInfo
- Publication number
- KR100198241B1 KR100198241B1 KR1019920007296A KR920007296A KR100198241B1 KR 100198241 B1 KR100198241 B1 KR 100198241B1 KR 1019920007296 A KR1019920007296 A KR 1019920007296A KR 920007296 A KR920007296 A KR 920007296A KR 100198241 B1 KR100198241 B1 KR 100198241B1
- Authority
- KR
- South Korea
- Prior art keywords
- single crystal
- litao
- wafer
- axis direction
- axis
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000010897 surface acoustic wave method Methods 0.000 claims abstract description 11
- 238000004904 shortening Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 235000012431 wafers Nutrition 0.000 description 22
- 238000003776 cleavage reaction Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 230000007017 scission Effects 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 238000012546 transfer Methods 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
- 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
- C30B29/22—Complex oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (1)
- X축 방향으로 성장된 LiTaO3단결정 잉고트의 웨이퍼를 가공함에 있어서, 플러스(+) 112°Y 방향의 탄성표면파를 갖는 특정방위의 기준면을 결정하는 경우 전면에 가해지는 충격에 따라 일정하게 발생되는 주벽개면의 방향을 기준면으로 하여 플러스(+) 및 마이너스(-) X,Y,Z축 방향을 결정할 수 있도록 한 것을 특징으로 하는 LiTaO3단결정 결정방위 결정방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920007296A KR100198241B1 (ko) | 1992-04-29 | 1992-04-29 | Litao3 단결정의 정방위 결정방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920007296A KR100198241B1 (ko) | 1992-04-29 | 1992-04-29 | Litao3 단결정의 정방위 결정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930021835A KR930021835A (ko) | 1993-11-23 |
KR100198241B1 true KR100198241B1 (ko) | 1999-06-15 |
Family
ID=19332516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920007296A KR100198241B1 (ko) | 1992-04-29 | 1992-04-29 | Litao3 단결정의 정방위 결정방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100198241B1 (ko) |
-
1992
- 1992-04-29 KR KR1019920007296A patent/KR100198241B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930021835A (ko) | 1993-11-23 |
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