KR0178554B1 - 다이아몬드 본체의 일정두께의 물질제거 방법 및 디바이스 조립체 제조방법 - Google Patents
다이아몬드 본체의 일정두께의 물질제거 방법 및 디바이스 조립체 제조방법 Download PDFInfo
- Publication number
- KR0178554B1 KR0178554B1 KR1019930018780A KR930018780A KR0178554B1 KR 0178554 B1 KR0178554 B1 KR 0178554B1 KR 1019930018780 A KR1019930018780 A KR 1019930018780A KR 930018780 A KR930018780 A KR 930018780A KR 0178554 B1 KR0178554 B1 KR 0178554B1
- Authority
- KR
- South Korea
- Prior art keywords
- alloy
- diamond
- metal
- rare earth
- diamond body
- Prior art date
Links
- 239000010432 diamond Substances 0.000 title claims abstract description 68
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 24
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 24
- 230000008018 melting Effects 0.000 claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 19
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 16
- 229910045601 alloy Inorganic materials 0.000 claims description 27
- 239000000956 alloy Substances 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052684 Cerium Inorganic materials 0.000 abstract description 9
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052759 nickel Inorganic materials 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 description 30
- 239000011248 coating agent Substances 0.000 description 27
- 238000005530 etching Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- WITQLILIVJASEQ-UHFFFAOYSA-N cerium nickel Chemical compound [Ni].[Ce] WITQLILIVJASEQ-UHFFFAOYSA-N 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- -1 volatile methane Chemical compound 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/25—Diamond
- C01B32/28—After-treatment, e.g. purification, irradiation, separation or recovery
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/53—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone involving the removal of at least part of the materials of the treated article, e.g. etching, drying of hardened concrete
- C04B41/5338—Etching
- C04B41/5361—Etching with molten material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/91—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics involving the removal of part of the materials of the treated articles, e.g. etching
-
- 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
- C30B29/02—Elements
- C30B29/04—Diamond
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00844—Uses not provided for elsewhere in C04B2111/00 for electronic applications
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Geology (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Weting (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (6)
- 적어도 한면을 가진 다이아몬드 본체에서 일정 두께의 물질을 제거하는 방법으로, (a) 하나 이상의 희토류 금속과 상기 희토류 금속의 용융점을 하강시키는 하나 이상의 금속 불순물의 용융 금속 합금 또는 부분 용융 금속합금과 직접 물리적으로 접촉하는 상기 한면의 적어도 일부분을 규정 시간 동안 유지시키는 단계에서, 상기 합금은 탄소를 용해시키는 특성을 가지는 상기 단계와, (b) 상기 규정 시간 동안, 용융 금속 합금이나 부분 용융 금속 합금을 규정 온도 범위내에서 유지시켜 다이아몬드 본체의 한면의 일부분에 놓여진 다이아몬드 본체의 일정두께를 제거하는 단계를 포함하는 물질 제거 방법.
- 제1항에 있어서, 상기 규정 온도 범위는 상기 합금의 용융 온도 이하의 100℃보다는 높은 하한을 갖는 물질 제거 방법.
- 제2항에 있어서, 상기 하한은 용해된 탄소가 함유된 상기 합금의 부분 용융 온도보다는 높은 물질 제거 방법.
- 제1항에 있어서, 상기 합금은 약 2 내지 50중량 퍼센트 범위의 하나 이상의 금속 불순물 량을 함유하는 물질 제거 방법.
- 제1 내지 4항 중 어느 한 항에 있어서, 상기 단계(b) 동안 0.2MPa 미만의 압력이 가해지는 물질 제거 방법.
- 제1 내지 4항 중 어느 한 항에 따른 단계에 따라 디바이스 조립체를 제조하는 방법으로, 상기 단계(b) 다음에, 전자 디바이스를 상기 면의 일부분에 결합되는 단계와 히트 싱크 본체를 다이아몬드 본체에 결합되는 단계를 더 포함하는 디바이스 조립체 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US955,634 | 1992-10-02 | ||
US07/955,634 US5328550A (en) | 1992-10-02 | 1992-10-02 | Thinning a diamond body by means of molten rare-earth-containing alloys |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940009361A KR940009361A (ko) | 1994-05-20 |
KR0178554B1 true KR0178554B1 (ko) | 1999-02-18 |
Family
ID=25497109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930018780A KR0178554B1 (ko) | 1992-10-02 | 1993-09-17 | 다이아몬드 본체의 일정두께의 물질제거 방법 및 디바이스 조립체 제조방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5328550A (ko) |
EP (1) | EP0590871B1 (ko) |
JP (1) | JP2801508B2 (ko) |
KR (1) | KR0178554B1 (ko) |
DE (1) | DE69309833T2 (ko) |
IL (1) | IL107140A0 (ko) |
TW (1) | TW238400B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5382314A (en) * | 1993-08-31 | 1995-01-17 | At&T Corp. | Method of shaping a diamond body |
US5713775A (en) * | 1995-05-02 | 1998-02-03 | Massachusetts Institute Of Technology | Field emitters of wide-bandgap materials and methods for their fabrication |
GB9513426D0 (en) * | 1995-06-29 | 1997-03-12 | Diamanx Products Ltd | Diamond treatment |
US5665252A (en) * | 1995-07-12 | 1997-09-09 | Lucent Technologies Inc. | Method of shaping a polycrystalline diamond body |
US6022485A (en) | 1997-10-17 | 2000-02-08 | International Business Machines Corporation | Method for controlled removal of material from a solid surface |
CN1087040C (zh) * | 1999-12-10 | 2002-07-03 | 吉林大学 | 稀土化合物浆料及金刚石厚膜的表面刻蚀方法 |
US6664188B2 (en) * | 2001-07-26 | 2003-12-16 | Terence M. Thomas | Semiconductor wafer with a resistant film |
US10246335B2 (en) * | 2016-05-27 | 2019-04-02 | Baker Hughes, A Ge Company, Llc | Methods of modifying surfaces of diamond particles, and related diamond particles and earth-boring tools |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU180650B (en) * | 1979-10-30 | 1983-04-29 | Magyar Aluminium | Process for diminishing organic content of bayer cycle of alum earth production |
JPS63144940A (ja) * | 1986-12-09 | 1988-06-17 | Showa Denko Kk | ダイヤモンド面の研摩法 |
US5087608A (en) * | 1989-12-28 | 1992-02-11 | Bell Communications Research, Inc. | Environmental protection and patterning of superconducting perovskites |
GB9114014D0 (en) * | 1991-06-28 | 1991-08-14 | De Beers Ind Diamond | Plasma assisted diamond synthesis |
-
1992
- 1992-10-02 US US07/955,634 patent/US5328550A/en not_active Expired - Lifetime
-
1993
- 1993-01-20 TW TW082100361A patent/TW238400B/zh not_active IP Right Cessation
- 1993-09-17 KR KR1019930018780A patent/KR0178554B1/ko not_active IP Right Cessation
- 1993-09-22 EP EP93307505A patent/EP0590871B1/en not_active Expired - Lifetime
- 1993-09-22 DE DE69309833T patent/DE69309833T2/de not_active Expired - Fee Related
- 1993-09-28 IL IL107140A patent/IL107140A0/xx unknown
- 1993-10-04 JP JP5269443A patent/JP2801508B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR940009361A (ko) | 1994-05-20 |
EP0590871A1 (en) | 1994-04-06 |
EP0590871B1 (en) | 1997-04-16 |
JP2801508B2 (ja) | 1998-09-21 |
DE69309833D1 (de) | 1997-05-22 |
US5328550A (en) | 1994-07-12 |
DE69309833T2 (de) | 1997-08-14 |
TW238400B (ko) | 1995-01-11 |
IL107140A0 (en) | 1993-12-28 |
JPH06234596A (ja) | 1994-08-23 |
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