GB1044592A - A method of melting a rod of crystalline material zone by zone - Google Patents
A method of melting a rod of crystalline material zone by zoneInfo
- Publication number
- GB1044592A GB1044592A GB3442/65A GB344265A GB1044592A GB 1044592 A GB1044592 A GB 1044592A GB 3442/65 A GB3442/65 A GB 3442/65A GB 344265 A GB344265 A GB 344265A GB 1044592 A GB1044592 A GB 1044592A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- zone
- seed
- enlarged
- feed
- 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.)
- Expired
Links
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
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
- C30B13/28—Controlling or regulating
- C30B13/30—Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; 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
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
- C30B13/28—Controlling or regulating
-
- 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
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
- C30B13/32—Mechanisms for moving either the charge or the heater
-
- 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
- C30B15/08—Downward pulling
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/901—Levitation, reduced gravity, microgravity, space
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/91—Downward pulling
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/911—Seed or rod holders
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/912—Replenishing liquid precursor, other than a moving zone
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/917—Magnetic
-
- 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
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1032—Seed pulling
- Y10T117/1072—Seed pulling including details of means providing product movement [e.g., shaft guides, servo means]
Abstract
A silicon rod 2, (Fig. 4, not shown) which may be rotated, is fed to a molten zone 4 heated by an induction coil 3 and having an enlarged offset solidifying interface from which an enlarged rod 2a crystallizes on to a rotating seed rod 5, seed rod 5 and enlarged rod 2a being withdrawn from coil 3 at a lower speed than feed rod 2 is advanced towards coil 3. Before commencement a normal molten zone is formed in feed rod 2, lowering of the rods and rotation of seed rod 5 are then commenced, and the axis of seed rod 5 is moved out of alignment with the axis of feed rod 2. Seed rod 5 may be rotated at 5-100 rpm and lowered at 2 mm/min. Feed rod 2 may be lowered at 8 mm/min. In another embodiment (Fig. 5, not shown), movement of the rods is upwards.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES89317A DE1218404B (en) | 1964-02-01 | 1964-02-01 | Method for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod |
NL656506040A NL138766B (en) | 1964-02-01 | 1965-05-12 | METHOD OF ENLARGING THE CROSS SECTION OF A MONOCRYSTALLINE ROD-SHAPED BODY USING CRISCHLESS ZONE MELTING. |
DES98115A DE1275032B (en) | 1964-02-01 | 1965-07-10 | Method for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod |
DES98712A DE1263698B (en) | 1964-02-01 | 1965-08-07 | Process for crucible-free zone melting |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1044592A true GB1044592A (en) | 1966-10-05 |
Family
ID=27437570
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3442/65A Expired GB1044592A (en) | 1964-02-01 | 1965-01-26 | A method of melting a rod of crystalline material zone by zone |
GB30903/66A Expired GB1079870A (en) | 1964-02-01 | 1966-07-08 | A method of melting a rod of crystalline material zone-by-zone |
GB31122/66A Expired GB1081600A (en) | 1964-02-01 | 1966-07-11 | A method of melting a rod of crystalline material zone-by-zone |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30903/66A Expired GB1079870A (en) | 1964-02-01 | 1966-07-08 | A method of melting a rod of crystalline material zone-by-zone |
GB31122/66A Expired GB1081600A (en) | 1964-02-01 | 1966-07-11 | A method of melting a rod of crystalline material zone-by-zone |
Country Status (9)
Country | Link |
---|---|
US (3) | US3477811A (en) |
BE (3) | BE664435A (en) |
CH (3) | CH413785A (en) |
DE (3) | DE1218404B (en) |
DK (2) | DK124458B (en) |
FR (1) | FR1444259A (en) |
GB (3) | GB1044592A (en) |
NL (3) | NL138766B (en) |
SE (3) | SE309965B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1272886B (en) * | 1966-09-24 | 1968-07-18 | Siemens Ag | Device for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod |
DE1544301A1 (en) * | 1966-09-28 | 1970-05-27 | Siemens Ag | Method for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod |
DE1619996A1 (en) * | 1967-03-18 | 1971-07-08 | Siemens Ag | Method for producing a single-crystal rod, in particular from semiconductor material |
US3607109A (en) * | 1968-01-09 | 1971-09-21 | Emil R Capita | Method and means of producing a large diameter single-crystal rod from a polycrystal bar |
DE1960088C3 (en) * | 1969-11-29 | 1974-07-25 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Device for crucible-free zone melting of a crystalline rod |
DE2234512C3 (en) * | 1972-07-13 | 1979-04-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Process for the production of (reoriented semiconductor single crystal rods with a specific resistance thawing towards the center of the rod |
US4002523A (en) * | 1973-09-12 | 1977-01-11 | Texas Instruments Incorporated | Dislocation-free growth of silicon semiconductor crystals with <110> orientation |
US5156211A (en) * | 1991-06-10 | 1992-10-20 | Impact Selector, Inc. | Remotely adjustable fishing jar and method for using same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2972525A (en) * | 1953-02-26 | 1961-02-21 | Siemens Ag | Crucible-free zone melting method and apparatus for producing and processing a rod-shaped body of crystalline substance, particularly semiconductor substance |
NL126240C (en) * | 1958-02-19 | |||
US3036892A (en) * | 1958-03-05 | 1962-05-29 | Siemens Ag | Production of hyper-pure monocrystal-line rods in continuous operation |
US3036812A (en) * | 1958-11-19 | 1962-05-29 | Dewrance & Co | Butterfly valves |
AT223659B (en) * | 1960-11-25 | 1962-10-10 | Siemens Ag | Process for the production of dislocation-free single crystal silicon by crucible-free zone melting |
-
1964
- 1964-02-01 DE DES89317A patent/DE1218404B/en active Pending
- 1964-08-26 CH CH1115564A patent/CH413785A/en unknown
- 1964-11-23 SE SE14136/64A patent/SE309965B/xx unknown
-
1965
- 1965-01-26 GB GB3442/65A patent/GB1044592A/en not_active Expired
- 1965-05-12 NL NL656506040A patent/NL138766B/en not_active IP Right Cessation
- 1965-05-21 FR FR17994A patent/FR1444259A/en not_active Expired
- 1965-05-25 BE BE664435D patent/BE664435A/xx unknown
- 1965-07-10 DE DES98115A patent/DE1275032B/en active Pending
- 1965-08-07 DE DES98712A patent/DE1263698B/en active Pending
-
1966
- 1966-05-03 NL NL6605968A patent/NL6605968A/xx unknown
- 1966-05-17 DK DK251066AA patent/DK124458B/en unknown
- 1966-05-21 DK DK260666AA patent/DK124459B/en unknown
- 1966-06-06 NL NL666607827A patent/NL146402B/en unknown
- 1966-06-09 CH CH837566A patent/CH442245A/en unknown
- 1966-06-09 CH CH837666A patent/CH442246A/en unknown
- 1966-07-08 GB GB30903/66A patent/GB1079870A/en not_active Expired
- 1966-07-08 SE SE9375/66A patent/SE323654B/xx unknown
- 1966-07-08 BE BE683852D patent/BE683852A/xx unknown
- 1966-07-11 GB GB31122/66A patent/GB1081600A/en not_active Expired
- 1966-07-11 US US564118A patent/US3477811A/en not_active Expired - Lifetime
- 1966-07-26 SE SE10177/66A patent/SE323655B/xx unknown
- 1966-08-05 BE BE685153D patent/BE685153A/xx unknown
-
1967
- 1967-08-29 US US664211A patent/US3414388A/en not_active Expired - Lifetime
-
1969
- 1969-08-19 US US853596A patent/US3658598A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL6607827A (en) | 1967-02-08 |
DK124458B (en) | 1972-10-23 |
DK124459B (en) | 1972-10-23 |
CH413785A (en) | 1966-05-31 |
US3658598A (en) | 1972-04-25 |
US3414388A (en) | 1968-12-03 |
BE685153A (en) | 1967-02-06 |
NL6506040A (en) | 1966-11-14 |
GB1079870A (en) | 1967-08-16 |
FR1444259A (en) | 1966-07-01 |
BE683852A (en) | 1967-01-09 |
US3477811A (en) | 1969-11-11 |
DE1263698B (en) | 1968-03-21 |
CH442245A (en) | 1967-08-31 |
BE664435A (en) | 1965-11-25 |
NL146402B (en) | 1975-07-15 |
DE1218404B (en) | 1966-06-08 |
SE323655B (en) | 1970-05-11 |
NL6605968A (en) | 1967-01-11 |
SE323654B (en) | 1970-05-11 |
DE1275032B (en) | 1968-08-14 |
NL138766B (en) | 1973-05-15 |
GB1081600A (en) | 1967-08-31 |
CH442246A (en) | 1967-08-31 |
SE309965B (en) | 1969-04-14 |
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