EP0987966A1 - Schmuckstein - Google Patents
SchmucksteinInfo
- Publication number
- EP0987966A1 EP0987966A1 EP98952636A EP98952636A EP0987966A1 EP 0987966 A1 EP0987966 A1 EP 0987966A1 EP 98952636 A EP98952636 A EP 98952636A EP 98952636 A EP98952636 A EP 98952636A EP 0987966 A1 EP0987966 A1 EP 0987966A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gemstone
- pyramid
- layer
- shaped
- carrier
- 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.)
- Granted
Links
- 239000004575 stone Substances 0.000 title description 4
- 239000010437 gem Substances 0.000 claims abstract description 60
- 229910001751 gemstone Inorganic materials 0.000 claims abstract description 58
- 238000005530 etching Methods 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 238000004049 embossing Methods 0.000 claims 1
- 239000010970 precious metal Substances 0.000 claims 1
- 239000003870 refractory metal Substances 0.000 claims 1
- 239000012808 vapor phase Substances 0.000 abstract 2
- 239000010432 diamond Substances 0.000 description 18
- 229910003460 diamond Inorganic materials 0.000 description 15
- 235000012431 wafers Nutrition 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/005—Coating layers for jewellery
- A44C27/007—Non-metallic coatings
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24612—Composite web or sheet
Definitions
- the invention relates to artificial gemstones.
- Gemstones especially gemstones, are ground or ground before they are set in the metal body of a piece of jewelry to spectrally disassemble and reflect the incident light, thereby causing the brilliance and fire of a gemstone.
- this requires a minimum size and purity of the gem. So about two are suitable
- One third of the mined diamonds are not used to manufacture screw stones by grinding because they are either too small or too deep or because of their color or inclusions they can only be used industrially (for technical purposes).
- the brilliance or shine of the diamond is mainly due to the fact that a large part of the light falling into the gem stone is scattered back almost in the direction from which it came. This is achieved in that the light that has entered the diamond crystal through the upper facets is reflected in the lower brilliant area and can exit again through the upper facets. The light is reflected in at least two reflection steps by a total of about (180 _ + x).
- the arrangement of the facet angles to one another must take into account the optical properties of the diamond / air interface, so that the angle of total reflection is never exceeded.
- the angles of the light beam path are always larger than those of the total reflection angle. That is, the light is reflected back upwards, on the other hand the light must strike the upper facets and the panel at such an angle that the light can exit.
- the diamond brilliants are not cut in such a way that the light is reflected back exactly in the direction from which it came (as would be the case with the cat's eye). Rather, there is an opening angle between the incident and emerging beam, which leads to the eye-catching reflections. The exit angle is different for different wavelengths due to the dispersion.
- Essential for the fire of the brilliant is the dispersion of the light in the diamond, which causes the light to be broken down like a prism and then perceived by the eye as spectral colors.
- the object of the invention is to create artificial gemstones from large-scale gemstone layers obtained by vapor deposition, which despite the unfavorable dimensions, i. H. given the limited thickness of these layers an attractive appearance.
- a screw stone which consists of a preferably tabular support or substrate, one surface of which has at least one pyramid-shaped depression and carries a gem layer obtained by gas phase deposition, preferably by the CVD or PVD method.
- the underside should be designed accordingly, so that there is a reflection of a large part of the incident light, as with single-crystal natural brilliants.
- This can be achieved by appropriate pretreatment of the surface of the silicon wafer to be coated. After this pretreatment, the silicon wafer has the necessary shape as a negative shape, so that the back or underside of the diamond layer that is formed receives the correspondingly positive shape.
- materials such as noble metals, tungsten, molybdenum or hard metal which can be coated well with diamond and are also suitable as supports or supports for such artificially produced diamond layers the surface of which a suitable structure can be incorporated.
- the incorporation of the structure into the support to be coated can either mechanically, for. B. by grinding a certain profile, electrolytically or, in particular in the case of a silicon wafer, can be achieved chemically or plasma-technically by etching.
- isotropic as well as anisotropic processes can be used.
- anisotropic etchant z. B. KOH. This base leads to the formation of pyramidal etching pits in the single-crystal wafer.
- a pyramidal structure can also be etched into a base using an isotropic etchant.
- a suitable composition of the etching solution can produce the required angles of the pyramid. If, as mentioned above, there is a gradual mirroring of approximately 180 ⁇ x, the angles of the pyramid must be adjusted accordingly.
- edge areas of the carrier of the gemstone layer other pyramid angles can be set than in the middle area.
- the angles of the facets can be selected so that the light is reflected back and forth several times in the gemstone layer, whereby a strong splitting of the spectral colors is achieved.
- the easiest way is to introduce the same angle on the entire surface of the carrier by a single etching attack, which z. B. have a pyramid opening angle of 109. This angle can easily be achieved by etching procedures. Before the etching procedure, the surface of the carrier can be subjected to laser damage in order to easily achieve the desired geometry.
- Orientations other than (100) or (111) wafers can also be used. What matters is that Targeted interaction of crystal orientation of the gem layer and direction of the etching attack in order to achieve an optimal optical effect.
- a polycrystalline, e.g. B. in contrast to a diamond single crystal, there are still grain boundaries, which are to be considered as additional refractive areas due to a different refractive index.
- the grain boundaries advantageously in their structure, for. B. must be aligned columnar to have a positive effect on brilliance and fire. In any case, the influence of the grain boundaries must be taken into account in the optical effect.
- the light can also be scattered back in that the back or underside of the gas phase gemstone, in particular CVD diamonds, is additionally z. B. is mirrored by gold or titanium. Then the reflection takes place simply by reflection on the gold or titanium surface.
- an octagonal shape of the surface of the artificial diamond layer is advantageous, which is subsequently ground into it. The angles in the underside have to be adapted to the changed exit conditions.
- the surface of the substrate or substrate bearing the deposited gem layer does not have to be flat; it can e.g. B. be convex to obtain artificial gemstones in the form of a cabochon or boutton.
- artificial gemstones in particular diamonds, not only with special optical properties such as brilliance and fire, but also with surface dimensions, e.g. B. by multiple dimensioning, gaining how they are not nearly attainable with the stones occurring in nature and also cannot be obtained with other synthetic processes, in particular the high-pressure, high-temperature technology, for economic and technical reasons.
- the gemstones according to the invention can be given their own body color (e.g. blue by boron or yellow by nitrogen) during manufacture by the composition of the gas phase, which enables their use in any conceivable piece of jewelry or any conceivable decoration with gemstones.
- Fig. 1 A schematic side view of the gem layer of a gem.
- Fig. 2 A schematic view of area Y of FIG. 1 on an enlarged scale.
- 3 A schematic top view of the gem layer according to FIG. 1.
- Fig. 4 A schematic view of the gem layer according to Fig. 1 from below.
- Fig. 5 A schematic view of area X of Fig. 4 on an enlarged scale.
- the gemstone layer 1 has a multiplicity of pyramid-shaped elevations 2 with an angle "A" on the underside and is provided with an octagonal facet cut on its top.
- the polished and polished gem layer 1 adhering to the carrier forms the gem according to the invention, which is in a piece of jewelry, z. B. a ring can be taken.
- the carrier to which the gemstone layer is applied does not have to have the dimensions of the later gem. Parts can be separated from a large-area carrier with a layer of precious stones and processed or processed into a gem.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Adornments (AREA)
- Laminated Bodies (AREA)
- Chemical Vapour Deposition (AREA)
- Cosmetics (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Magnetic Heads (AREA)
- Resistance Heating (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29717496 | 1997-09-30 | ||
DE29717496U | 1997-09-30 | ||
PCT/EP1998/006074 WO1999016328A1 (de) | 1997-09-30 | 1998-09-23 | Schmuckstein |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0987966A1 true EP0987966A1 (de) | 2000-03-29 |
EP0987966B1 EP0987966B1 (de) | 2002-02-06 |
Family
ID=8046687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98952636A Expired - Lifetime EP0987966B1 (de) | 1997-09-30 | 1998-09-23 | Schmuckstein |
Country Status (11)
Country | Link |
---|---|
US (1) | US6794014B2 (de) |
EP (1) | EP0987966B1 (de) |
JP (1) | JP2001509065A (de) |
CN (1) | CN1167368C (de) |
AT (1) | ATE212803T1 (de) |
CA (1) | CA2271736C (de) |
DE (1) | DE59803021D1 (de) |
ES (1) | ES2172227T3 (de) |
IN (1) | IN190683B (de) |
RU (1) | RU2189769C2 (de) |
WO (1) | WO1999016328A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6862898B2 (en) * | 2002-03-21 | 2005-03-08 | Select Jewelry, Inc. | Article of jewelry |
US20030177753A1 (en) * | 2002-03-21 | 2003-09-25 | Ronen Seliktar | Decorative, diamond-cut jewelry surface |
US7526928B1 (en) | 2002-11-04 | 2009-05-05 | Azotic Coating Technology, Inc. | Multi-color gemstones and gemstone coating deposition technology |
US6997014B2 (en) * | 2002-11-04 | 2006-02-14 | Azotic Coating Technology, Inc. | Coatings for gemstones and other decorative objects |
AT507689B1 (de) * | 2008-12-19 | 2011-08-15 | Swarovski D Kg | Schmucksteinbesetzte paillette |
AT508020B1 (de) * | 2009-03-26 | 2010-10-15 | Swarovski & Co | Facettiert geschliffener verbundkörper |
CN103349404B (zh) * | 2013-08-02 | 2015-05-13 | 深圳市金艺珠宝有限公司 | 带多棱面反射槽饰品的加工方法及其加工设备 |
GB2533097A (en) * | 2014-12-08 | 2016-06-15 | Crystal Clear Jewellery Ltd | Creating optical effects |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US229328A (en) * | 1880-06-29 | Fbanois ed meyee | ||
US2521846A (en) * | 1944-07-26 | 1950-09-12 | Waylande C Gregory | Composite glass and metal article |
DE2444705C3 (de) * | 1974-09-19 | 1980-09-04 | Ernst Winter & Sohn, 2000 Hamburg | Schmuckstein mit geschliffenen Ober- und Unterteilen |
FR2547775B1 (fr) * | 1983-06-23 | 1987-12-18 | Metalem Sa | Procede de decoration d'un article, application d'un procede de traitement d'un element de silicium, utilisation d'une plaque de silicium traitee et article decore |
JP2580691B2 (ja) * | 1988-03-28 | 1997-02-12 | 三菱マテリアル株式会社 | 人工ダイヤモンドコートの金および金合金製装飾品 |
ES2036295T3 (es) * | 1989-05-23 | 1993-05-16 | Bock & Schupp Gmbh & Co. Kg | Pieza de joyeria. |
JPH0363002A (ja) * | 1989-07-31 | 1991-03-19 | Sachiko Kosaka | 宝石状反射装飾体 |
US5431028A (en) * | 1991-08-21 | 1995-07-11 | Lampert; Dennis | Metal jewelry article having artificial diamond baguettes formed therein and method of manufacturing thereof |
WO1993017593A1 (en) * | 1992-03-06 | 1993-09-16 | Komatsu Electronic Metals Co., Ltd. | Decorative silicon article |
US6197428B1 (en) * | 1994-08-26 | 2001-03-06 | Deposition Sciences, Inc. | Gemstones and decorative objects comprising a substrate and an optical interference film |
US5882786A (en) * | 1996-11-15 | 1999-03-16 | C3, Inc. | Gemstones formed of silicon carbide with diamond coating |
-
1998
- 1998-09-23 AT AT98952636T patent/ATE212803T1/de not_active IP Right Cessation
- 1998-09-23 WO PCT/EP1998/006074 patent/WO1999016328A1/de active IP Right Grant
- 1998-09-23 US US09/319,142 patent/US6794014B2/en not_active Expired - Fee Related
- 1998-09-23 RU RU99111090/12A patent/RU2189769C2/ru not_active IP Right Cessation
- 1998-09-23 DE DE59803021T patent/DE59803021D1/de not_active Expired - Lifetime
- 1998-09-23 EP EP98952636A patent/EP0987966B1/de not_active Expired - Lifetime
- 1998-09-23 ES ES98952636T patent/ES2172227T3/es not_active Expired - Lifetime
- 1998-09-23 JP JP51970199A patent/JP2001509065A/ja active Pending
- 1998-09-23 CA CA002271736A patent/CA2271736C/en not_active Expired - Fee Related
- 1998-09-23 IN IN615BO1998 patent/IN190683B/en unknown
- 1998-09-23 CN CNB988014416A patent/CN1167368C/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9916328A1 * |
Also Published As
Publication number | Publication date |
---|---|
IN190683B (de) | 2003-08-16 |
EP0987966B1 (de) | 2002-02-06 |
DE59803021D1 (de) | 2002-03-21 |
JP2001509065A (ja) | 2001-07-10 |
ATE212803T1 (de) | 2002-02-15 |
RU2189769C2 (ru) | 2002-09-27 |
ES2172227T3 (es) | 2002-09-16 |
CA2271736C (en) | 2005-06-14 |
US20010049003A1 (en) | 2001-12-06 |
CN1167368C (zh) | 2004-09-22 |
CA2271736A1 (en) | 1999-04-08 |
CN1241120A (zh) | 2000-01-12 |
US6794014B2 (en) | 2004-09-21 |
WO1999016328A1 (de) | 1999-04-08 |
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