WO2005106083A1 - InP単結晶ウェハ及びInP単結晶の製造方法 - Google Patents
InP単結晶ウェハ及びInP単結晶の製造方法 Download PDFInfo
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- WO2005106083A1 WO2005106083A1 PCT/JP2005/002223 JP2005002223W WO2005106083A1 WO 2005106083 A1 WO2005106083 A1 WO 2005106083A1 JP 2005002223 W JP2005002223 W JP 2005002223W WO 2005106083 A1 WO2005106083 A1 WO 2005106083A1
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- WIPO (PCT)
- Prior art keywords
- crystal
- single crystal
- inp single
- raw material
- dislocation density
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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
- C30B27/00—Single-crystal growth under a protective fluid
- C30B27/02—Single-crystal growth under a protective fluid by pulling from a melt
-
- 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
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
-
- 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
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/20—Controlling or regulating
- C30B15/22—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
-
- 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
Definitions
- the present invention relates to a method for producing a compound semiconductor single crystal and a compound semiconductor single crystal wafer, and more particularly to a technique for reducing the dislocation density of an InP single crystal produced by a liquid-sealed Czochralski method.
- a raw material melt contained in a crucible is sealed with a liquid sealant such as B O, and the raw material melt is sealed.
- the semiconductor material contains a volatile element (for example, a group V element)
- the crystal is grown while controlling the vapor pressure of the volatile element, so that the volatile material can be removed from the material melt and the grown crystal surface. Element dissociation can be prevented (vapor pressure control method). Therefore, by using the LEC method, it is possible to produce large-diameter, high-purity compound semiconductor single crystals.
- a general LEC method is disclosed in Patent Document 1, for example.
- Non-Patent Documents 1 and 2 report a technology for producing large-diameter (3 inch, 4 inch), low dislocation density InP single crystals using the LEC method. The importance of the shape of the solid-liquid interface of the melt and the temperature gradient in the crystal growth direction is described.
- a seed crystal is placed at the bottom of a crucible, the raw material melt accommodated in the crucible is sealed with a liquid sealant such as BO, and the raw material is applied while applying high pressure with an inert gas.
- Patent Document 2 A general VGF method is disclosed in Patent Document 2, for example.
- the crystal By growing the crystal at a growth rate of 20 mmZhr or more in the diameter-increased portion, it is possible to effectively prevent twins from being generated in the crystal-increased portion, and to obtain a compound semiconductor single crystal with a high yield.
- Non-Patent Document 3 also reports on a technique for producing an InP single crystal using the VGF method.
- Patent document 1 WO03Z060202
- Patent Document 2 JP-A-11 302094
- Non-Patent Document l Jpn.J.Appl.Phys.Vol.41 (2002) pp.987-990
- Non-Patent Document 2 Proc. Of 14th Intern. Conf.on Indium Phosphide and Related
- Non-Patent Document 3 Proc. Of 14th Intern. Conf.on Indium Phosphide and Related
- dislocations adversely affect various characteristics of the semiconductor laser and cause a significant deterioration in the lifetime. Therefore, the dislocation density is low, and desirably no dislocations (EPD 2 ) A compound semiconductor single crystal is required.
- the temperature gradient in the crystal growth direction when growing the crystal is relatively large (for example, 65 ° CZcm), so that the dislocation density (EPD) in the crystal increases. There is a tendency.
- the dislocation density in the crystal depends on the dopant to be added.For example, when S is used as a dopant, a relatively dislocation-free single crystal is easily obtained because S has an effect of eliminating dislocations. When there is no dopant (undoped) or when the dopant is Fe, such an effect is not obtained, so that it is difficult to obtain a dislocation-free single crystal.
- the VGF method has a relatively small temperature gradient in the crystal growth direction when growing a crystal.
- the compound semiconductor single crystal grown by the VGF method has a low dislocation density uniformly throughout, but a region where the dislocation density is OZcm 2 because a stress from a crucible is applied to the grown crystal.
- An object of the present invention is to provide a method for producing a low dislocation InP single crystal and a low dislocation InP single crystal wafer suitable for use in an optical device such as a semiconductor laser.
- the present invention has been made to solve the above-described problems, and a semiconductor material and a sealant are accommodated in a material melt accommodating portion formed of a bottomed cylindrical crucible, and the material accommodating portion is provided.
- a liquid sealing Czochralski method the raw material is melted by heating, and a seed crystal is brought into contact with the surface of the raw material melt while being covered with the sealing agent, and the seed crystal is grown while pulling up the seed crystal.
- the temperature gradient in the crystal growth direction is 25 ° C.Zcm or less, and the temperature drop is 0.25 ° C./hr or more, and the crystal shoulder is grown from the seed crystal.
- a region having a dislocation density of 500 / cm 2 or less is 70% or more of the wafer area.
- the area where the dislocation density is 200 / cm 2 or less can be 60% or more of the wafer area, and the area where the dislocation density is O / cm 2 can be 50% or more of the wafer area.
- the present inventors have manufactured a low dislocation density InP single crystal having a dislocation-free region of 70% or more of the wafer area using the LEC method (vapor pressure control method), which has higher productivity than the VGF method. It was decided to. In order to produce InP single crystals with a low dislocation density, it is effective to reduce the temperature gradient in the crystal growth direction.
- a Fe-doped InP single crystal was grown using the LEC method under the conventional growth conditions, that is, a temperature gradient in the crystal growth direction of 65 ° CZcm, and was cut out from the obtained InP single crystal. There was no dislocation-free region in the InP single crystal wafer, and the average dislocation density was 2 ⁇ 10 4 Zcm 2 .
- the temperature gradient in the crystal growth direction was made smaller than 65 ° C
- the dislocation density was reduced as the temperature gradient was reduced, confirming the effectiveness of reducing the temperature gradient.
- the temperature gradient in the crystal growth direction is reduced, and twins are not generated along with the temperature gradient. In this way, the temperature is reduced so that the InP single crystal is grown, and the InP single crystal is grown.
- the experiment was repeated so that the dislocation density in the cut InP single crystal wafer was reduced to the target value.
- the temperature gradient in the crystal growth direction was 25 ° CZcm or less and the temperature drop was 0.25 ° CZh or more
- the dislocation-free region in the InP single crystal wafer was 70% or more.
- the temperature gradient in the crystal growth direction must be 25 ° CZcm or less, and the temperature gradient must be 25 ° CZcm or less.
- the amount of temperature drop was required to be 0.25 ° CZhr or more, and the present invention was completed.
- the region where the dislocation density is 500 / cm 2 or less is set to 70% or more of the wafer area.
- the InP single crystal wafer is effective for improving various characteristics of an optical device such as a semiconductor laser and extending its life.
- FIG. 1 Seed side force of InP single crystal obtained in Example EP over the entire surface of cut wafer It is an EPD map showing a D distribution.
- FIG. 2 is an EPD map showing an EPD distribution over the entire surface of the wafer cut from the vicinity of the center of the InP single crystal obtained in the example.
- FIG. 3 is an EPD map showing an EPD distribution over the entire surface of a wafer near the center of the InP single crystal obtained in Comparative Example 1 cut out.
- FIG. 4 shows the entire surface of a wafer cut from the vicinity of the center of the InP single crystal obtained in Comparative Example 2.
- FIG. 5 is a schematic configuration diagram of a crystal growth apparatus according to an embodiment.
- FIG. 6 is an in-plane distribution diagram of photoluminescence of a wafer cut from the vicinity of the center of the InP single crystal obtained in the example.
- FIG. 7 is an in-plane distribution diagram of photoluminescence in a wafer near the center of the InP single crystal obtained in Comparative Example 2 cut out.
- FIG. 5 is a schematic configuration diagram of the crystal growth apparatus according to the present embodiment.
- the crystal growth apparatus of the present embodiment includes an outer container 1 composed of a cylindrical high-pressure container having both ends closed, An inner container 2, which is provided in the vessel 1 and has a substantially cylindrical closed container which can be divided into upper and lower portions, has heaters 3, 4, 5, and a rotating shaft 8 arranged vertically in the center of the outer container 1.
- a susceptor 10 disposed at the upper end of the rotating shaft 8, and a bottomed cylindrical shape fitted to the susceptor 10 and capable of containing a raw material melt (semiconductor material) 11 and a liquid sealant (for example, BO 2) 12.
- a rotary pull-up shaft 7 provided vertically above the crucible 13 and provided with a seed crystal holder (not shown) for fixing the seed crystal 9 at the lower end.
- the inner container 2 has an inner container upper portion 2a and an inner container lower portion 2b which are joined by sliding.
- the upper portion 2a of the inner container is formed of a bell jar (insulated vacuum container) made of quartz, and a wire heater 4 is disposed on the outer periphery thereof.
- the lower portion 2b of the inner container is made of, for example, a material that can be used at a high temperature, and its wall surface is covered with a SiC film.
- a heater 3 is provided on the outer periphery of the inner container lower part 2b so as to surround the outer periphery of the inner container lower part 2b.
- the rotating shaft 8 and the rotating and pulling shaft 7 are introduced coaxially from inlets provided on the top and bottom surfaces of the outer container 1, and are provided so as to be vertically movable and rotatable, respectively.
- the rotary pull-up shaft 7 and the inner container upper part 2a are hermetically sealed by a seal adapter 14 through which the rotary pull-up shaft 7 is rubbed.
- a seal adapter 14 through which the rotary pull-up shaft 7 is rubbed.
- the inside of the inner container 2 is formed by passing the rotary pulling shaft 7 through the seal adapter 14 and sealing the rotary pulling shaft 7. It can be sealed.
- a reservoir 15 made of, for example, Mo is connected to the bottom of the inner container lower part 2b and communicates with the inner container lower part 2b.
- the reservoir 15 contains, for example, a volatile element material 6 composed of a V group element.
- a reservoir heater 5 is provided around the reservoir 15 in which the volatile material 6 is stored. This reservoir heater 5 heats the reservoir 15 to evaporate the volatile element material 6 in the reservoir 15 and fills the inner container 2 with the vapor of the volatile element material 6, thereby increasing the vapor pressure in the inner container 2.
- the crucible 13 contained 4000 g of InP polycrystal synthesized by the horizontal Bridgman method (HB method) and lg Fe as a doping agent. And a liquid sealant consisting of B O on it 1
- the reservoir 15 contained about 20 g of P having a purity of 99.9999%.
- the outer container 1 was tightly closed and the inside was evacuated. Thereafter, the inside was pressurized with Ar gas, and heating of the inner container 2 was started by the heaters 3 and 4. With the heating by the heaters 3 and 4, the liquid sealing agent 12 of the crucible 13 was melted, and the raw material 11 was sealed by the liquid sealing agent 12. Thereafter, the temperature was further increased to dissolve InP, and a liquid raw material melt 11 was obtained. At this point, the upper shaft 7 was lowered and passed through the seal adapter 14 to seal the upper shaft 7 and the inner container upper part 2a.
- the heating of the reservoir heater 5 was started to evaporate the volatile element material (P) in the reservoir 15 and fill the inner container 2 with phosphorus vapor. Then, the upper shaft 7 and the lower shaft 8 are driven, and the seed crystal 9 arranged at the inner end of the upper shaft 7 penetrates into the raw material melt 11, and the upper shaft 7 and the lower shaft 8 are relatively moved. The crystal was pulled up while rotating.
- the crystal shoulder was grown with the temperature gradient in the crystal growth direction set to 20 ° CZcm and the temperature fall amount set to 0.28 ° CZhr. By controlling the temperature gradient and the amount of temperature decrease in the crystal growth direction in this way, the crystal shoulder could be grown without twinning.
- the dislocation density (EPD) of the obtained Fe-doped InP single crystal was measured at 137 points so as to cover the entire surface of the InP single crystal wafer from which the force at the seed side and near the center was also cut out.
- Fig. 1 is an EPD map showing the EPD distribution of the wafer from which the seed side force of the straight body was also cut
- Fig. 2 is an EPD map of the wafer cut from near the center of the straight body.
- the dislocation-free region of EPD ⁇ 500Zcm 2 is 89.0% (122/137) ⁇ ⁇ ⁇
- the non-dislocation region force of EPD ⁇ 500 Zcm 2 94.9% (130/137) ⁇ ⁇ :
- the dislocation-free region is 70% or more in the wafer from which each partial force of the InP single crystal is also cut out, so that a desired dislocation density can be realized in the entire Fe-doped InP single crystal. It can be said that it became.
- Figure 6 is a distribution diagram in the PL plane obtained by PL measurement. As shown in Fig. 6, it was confirmed that the average intensity of PL was almost uniform at about 5000 CU. The density of the bright spots were LOZcm 2 or less.
- the temperature gradient in the crystal growth direction is set to 20 ° C.Zcm
- the temperature drop is set to 0.28 ° C.Zhr
- the crystal shoulder is grown from the seed crystal to produce an InP single crystal.
- an InP single crystal wafer in which a region having a dislocation density of 500 Zcm 2 or less (a so-called non-dislocation region) accounts for 70% or more of the wafer area was realized.
- the area where the dislocation density is 200Zcm 2 or less is more than 60% of the wafer area
- the area where the dislocation density is OZcm 2 is more than 50% of the wafer area.
- a crystal shoulder was grown with a temperature gradient of 30 ° CZcm and a temperature decrease of 0.25 ° CZhr using a crystal growth apparatus similar to that of the above example, and a temperature gradient of 65 ° CZcm. The temperature was reduced to 0.10 ° CZhr, and the straight body was grown to obtain a Fe-doped InP single crystal.
- FIG. 3 shows the results of EPD measurement of the obtained Fe-doped InP single crystal near the center of the straight body portion at 137 points so as to cover the entire surface of the wafer.
- the temperature gradient when growing the crystal shoulder is made smaller than before, and twins are not generated! /
- the InP single crystal having a dislocation-free region is obtained.
- a wafer was obtained.
- the dislocation density was clearly higher than that of the InP single crystal wafer obtained in the above embodiment.
- the in-plane distribution of photoluminescence (PL) was measured for the obtained wafer, the bright spot was slightly increased and its density was 100 to 150 Zcm 2.
- a crystal shoulder was grown at 16 ° CZhr, and a straight body was grown with a temperature gradient of 65 ° CZcm and a temperature drop of 0-0.08 ° C / hr.
- FIG. 4 shows the results of measuring the EPD of the obtained Fe-doped InP single crystal near the center of the straight body portion at 137 points so as to cover the entire surface of the wafer.
- the dislocation-free region of EPD ⁇ 500Zcm 2 is none, the average EPD is 2 X 1
- FIG. 7 is a PL plane distribution diagram obtained by PL measurement. As shown in Fig. 7, the average intensity was about 4000 CU, a concentric pattern called striation was observed, many bright spots were observed, and the density was 300-1000 / cm 2 . These striations and bright spots do not indicate dislocations themselves, but are thought to have occurred in connection with dislocations.
- Comparative Example 3 an Fe-doped InP single crystal was grown using a crystal growth apparatus similar to that of the above-described example, with a temperature gradient lower than that of a conventional growth condition. Specifically, a crystal shoulder is grown at a temperature gradient of 20 ° CZcm and a temperature decrease of 0.16 ° CZhr, and a temperature gradient of 20 ° CZcm. The temperature was reduced from 0 to 0.08 ° CZhr to grow the straight body.
- the temperature gradient in the crystal growth direction is set to 20 ° CZcm
- the temperature drop is set to 0.28 ° CZhr
- the temperature gradient in the crystal growth direction is obtained by growing the crystal shoulder from the seed crystal.
- the temperature at 25 ° C. or more an InP single crystal having a low dislocation density can be produced without generating twins.
- the density of bright spots measured by PL can be suppressed to 100 / cm 2 or less.
- the present invention is not limited to Fe-doped InP single crystals, but is also applicable to the production of undoped InP single crystals that are less likely to cause dislocations than Fe-doped InP single crystals.
- the present invention is not limited to the InP single crystal having a diameter of 3 inches, and may be applicable to lower dislocation density of a large diameter InP single crystal having a diameter of 4 inches or more.
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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/587,698 US8815010B2 (en) | 2004-04-28 | 2005-02-15 | InP single crystal wafer and method for producing InP single crystal |
JP2006512725A JP4966007B2 (ja) | 2004-04-28 | 2005-02-15 | InP単結晶ウェハ及びInP単結晶の製造方法 |
EP05719125A EP1741808B1 (en) | 2004-04-28 | 2005-02-15 | InP SINGLE CRYSTAL WAFER AND InP SINGLE CRYSTAL MANUFACTURING METHOD |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-132661 | 2004-04-28 | ||
JP2004132661 | 2004-04-28 |
Publications (1)
Publication Number | Publication Date |
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WO2005106083A1 true WO2005106083A1 (ja) | 2005-11-10 |
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ID=35241696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/002223 WO2005106083A1 (ja) | 2004-04-28 | 2005-02-15 | InP単結晶ウェハ及びInP単結晶の製造方法 |
Country Status (5)
Country | Link |
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US (1) | US8815010B2 (ja) |
EP (1) | EP1741808B1 (ja) |
JP (1) | JP4966007B2 (ja) |
TW (1) | TWI287592B (ja) |
WO (1) | WO2005106083A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018179567A1 (ja) | 2017-03-31 | 2018-10-04 | Jx金属株式会社 | 化合物半導体および化合物半導体単結晶の製造方法 |
WO2022168369A1 (ja) | 2021-02-02 | 2022-08-11 | Jx金属株式会社 | リン化インジウム基板、半導体エピタキシャルウエハ、リン化インジウム単結晶インゴットの製造方法及びリン化インジウム基板の製造方法 |
US20230212784A1 (en) * | 2020-02-28 | 2023-07-06 | Axt, Inc. | Low etch pit density, low slip line density, and low strain indium phosphide |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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ES2862525T3 (es) * | 2009-10-08 | 2021-10-07 | Hologic Inc | Sistema de biopsia de mama con aguja y método de uso |
GB2545032A (en) * | 2015-12-06 | 2017-06-07 | Richard Scott Ian | Passive cooling of a molten salt reactor by radiation onto fins |
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JPH03237088A (ja) * | 1990-02-13 | 1991-10-22 | Nippon Mining Co Ltd | 単結晶成長方法 |
JPH04160099A (ja) * | 1990-10-19 | 1992-06-03 | Furukawa Electric Co Ltd:The | InP単結晶成長方法 |
JPH09278582A (ja) * | 1996-04-18 | 1997-10-28 | Showa Denko Kk | 単結晶の製造方法およびその装置 |
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GB2097695B (en) * | 1981-03-24 | 1984-08-22 | Mitsubishi Monsanto Chem | Method for producing a single crystal |
JPS6046993A (ja) * | 1983-08-23 | 1985-03-14 | Sumitomo Electric Ind Ltd | 単結晶引上装置 |
JPH0196093A (ja) * | 1987-10-08 | 1989-04-14 | Furukawa Electric Co Ltd:The | 単結晶の引上方法 |
EP0416128B1 (en) * | 1989-03-17 | 1995-05-24 | Sumitomo Electric Industries Limited | Wafer of compound semiconductor |
US5212394A (en) * | 1989-03-17 | 1993-05-18 | Sumitomo Electric Industries, Ltd. | Compound semiconductor wafer with defects propagating prevention means |
JPH0365593A (ja) * | 1989-08-02 | 1991-03-20 | Nippon Mining Co Ltd | 単結晶成長装置 |
EP0476389A3 (en) * | 1990-08-30 | 1993-06-09 | The Furukawa Electric Co., Ltd. | Method of growing single crystal of compound semiconductors |
US5292487A (en) * | 1991-04-16 | 1994-03-08 | Sumitomo Electric Industries, Ltd. | Czochralski method using a member for intercepting radiation from raw material molten solution and apparatus therefor |
US5342475A (en) * | 1991-06-07 | 1994-08-30 | The Furukawa Electric Co., Ltd. | Method of growing single crystal of compound semiconductor |
JP2979770B2 (ja) | 1991-09-11 | 1999-11-15 | 住友電気工業株式会社 | 単結晶の製造装置 |
JP2855408B2 (ja) * | 1994-09-29 | 1999-02-10 | 株式会社ジャパンエナジー | 単結晶成長装置 |
JP4344021B2 (ja) | 1998-04-24 | 2009-10-14 | 日鉱金属株式会社 | InP単結晶の製造方法 |
JP2005200224A (ja) | 2002-01-11 | 2005-07-28 | Nikko Materials Co Ltd | 単結晶成長装置 |
JP2005200228A (ja) * | 2004-01-13 | 2005-07-28 | Hitachi Cable Ltd | 化合物半導体単結晶成長方法 |
-
2005
- 2005-02-15 US US11/587,698 patent/US8815010B2/en active Active
- 2005-02-15 WO PCT/JP2005/002223 patent/WO2005106083A1/ja not_active Application Discontinuation
- 2005-02-15 JP JP2006512725A patent/JP4966007B2/ja active Active
- 2005-02-15 EP EP05719125A patent/EP1741808B1/en active Active
- 2005-04-18 TW TW094112300A patent/TWI287592B/zh active
Patent Citations (3)
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JPH03237088A (ja) * | 1990-02-13 | 1991-10-22 | Nippon Mining Co Ltd | 単結晶成長方法 |
JPH04160099A (ja) * | 1990-10-19 | 1992-06-03 | Furukawa Electric Co Ltd:The | InP単結晶成長方法 |
JPH09278582A (ja) * | 1996-04-18 | 1997-10-28 | Showa Denko Kk | 単結晶の製造方法およびその装置 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018179567A1 (ja) | 2017-03-31 | 2018-10-04 | Jx金属株式会社 | 化合物半導体および化合物半導体単結晶の製造方法 |
KR20190043626A (ko) | 2017-03-31 | 2019-04-26 | 제이엑스금속주식회사 | 화합물 반도체 및 화합물 반도체 단결정의 제조 방법 |
US11371164B2 (en) | 2017-03-31 | 2022-06-28 | Jx Nippon Mining & Metals Corporation | Compound semiconductor and method for producing single crystal of compound semiconductor |
US20230212784A1 (en) * | 2020-02-28 | 2023-07-06 | Axt, Inc. | Low etch pit density, low slip line density, and low strain indium phosphide |
US12054851B2 (en) * | 2020-02-28 | 2024-08-06 | Axt, Inc. | Low etch pit density, low slip line density, and low strain indium phosphide |
WO2022168369A1 (ja) | 2021-02-02 | 2022-08-11 | Jx金属株式会社 | リン化インジウム基板、半導体エピタキシャルウエハ、リン化インジウム単結晶インゴットの製造方法及びリン化インジウム基板の製造方法 |
US11926924B2 (en) | 2021-02-02 | 2024-03-12 | Jx Metals Corporation | Indium phosphide substrate, semiconductor epitaxial wafer, method for producing indium phosphide single-crystal ingot and method for producing indium phosphide substrate |
Also Published As
Publication number | Publication date |
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US8815010B2 (en) | 2014-08-26 |
EP1741808B1 (en) | 2011-04-27 |
US20080019896A1 (en) | 2008-01-24 |
EP1741808A4 (en) | 2008-11-19 |
TWI287592B (en) | 2007-10-01 |
EP1741808A1 (en) | 2007-01-10 |
JP4966007B2 (ja) | 2012-07-04 |
TW200538589A (en) | 2005-12-01 |
JPWO2005106083A1 (ja) | 2008-07-31 |
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