CA2316957A1 - Diamond or gemstone marking by plurality of grooves - Google Patents

Diamond or gemstone marking by plurality of grooves Download PDF

Info

Publication number
CA2316957A1
CA2316957A1 CA002316957A CA2316957A CA2316957A1 CA 2316957 A1 CA2316957 A1 CA 2316957A1 CA 002316957 A CA002316957 A CA 002316957A CA 2316957 A CA2316957 A CA 2316957A CA 2316957 A1 CA2316957 A1 CA 2316957A1
Authority
CA
Canada
Prior art keywords
diamond
grooves
gemstone
mark
gemstone marking
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
Application number
CA002316957A
Other languages
French (fr)
Other versions
CA2316957C (en
Inventor
James Gordon Charters Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De Beers UK Ltd
Original Assignee
Gersan Establishment
James Gordon Charters Smith
De Beers Centenary AG
De Beers Uk Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gersan Establishment, James Gordon Charters Smith, De Beers Centenary AG, De Beers Uk Ltd filed Critical Gersan Establishment
Publication of CA2316957A1 publication Critical patent/CA2316957A1/en
Application granted granted Critical
Publication of CA2316957C publication Critical patent/CA2316957C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B7/00—Machines, apparatus or hand tools for branding, e.g. using radiant energy such as laser beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B3/00—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings
    • B44B3/04—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings wherein non-plane surfaces are worked
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B2700/00—Machines, apparatus, tools or accessories for artistic work
    • B44B2700/08—Machines, apparatus or hand tools for branding

Abstract

A method and apparatus for forming a mark on the surface of a diamond or gemstone, the mark consisting of a plurality of grooves (10) which do not detrimentally affect the clarity grade of the diamond or gemstone, and which exhibit a highly diffractive effect under certain illumination and magnification conditions. An apparatus and method for viewing such a mark is also described.
CA002316957A 1997-12-24 1998-12-23 Diamond or gemstone marking by plurality of grooves Expired - Lifetime CA2316957C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9727364.3 1997-12-24
GBGB9727364.3A GB9727364D0 (en) 1997-12-24 1997-12-24 Watermark
PCT/GB1998/003889 WO1999033671A1 (en) 1997-12-24 1998-12-23 Diamond or gemstone marking by plurality of grooves

Publications (2)

Publication Number Publication Date
CA2316957A1 true CA2316957A1 (en) 1999-07-08
CA2316957C CA2316957C (en) 2004-04-27

Family

ID=10824244

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002316957A Expired - Lifetime CA2316957C (en) 1997-12-24 1998-12-23 Diamond or gemstone marking by plurality of grooves

Country Status (15)

Country Link
EP (1) EP1042132B1 (en)
JP (2) JP4497720B2 (en)
KR (1) KR100501089B1 (en)
CN (1) CN1146506C (en)
AU (1) AU746557B2 (en)
CA (1) CA2316957C (en)
DE (1) DE69820295T2 (en)
ES (1) ES2212385T3 (en)
GB (2) GB9727364D0 (en)
HK (1) HK1020032A1 (en)
IL (1) IL136967A0 (en)
RU (1) RU2215659C2 (en)
TW (1) TW458836B (en)
WO (1) WO1999033671A1 (en)
ZA (1) ZA9811838B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357737A (en) * 1999-12-27 2001-07-04 Yasuhira Mori Digitally marking a gemstone using a laser
EP1391841A4 (en) * 2001-04-26 2004-07-28 Valinmark Inc Method for producing and visualising an optically invisible mark
AU2004303615A1 (en) * 2003-12-12 2005-07-07 Element Six Limited Method of incorporating a mark in CVD diamond
US8033136B2 (en) 2005-12-06 2011-10-11 California Institute Of Technology Enhancing the optical characteristics of a gemstone
US8069688B2 (en) 2006-12-06 2011-12-06 California Institute Of Technology Gemstones and methods for controlling the appearance thereof
RU2427041C2 (en) * 2009-05-08 2011-08-20 Юрий Константинович Низиенко Method of making identification mark for marking valuable articles and valuable article with said mark
RU2426487C2 (en) * 2009-05-08 2011-08-20 Юрий Константинович Низиенко Identification mark to mark valuable items and valuable item with its application
RU2427908C1 (en) 2010-03-29 2011-08-27 Юрий Константинович Низиенко Method to detect visually invisible identification mark on surface of valuable item, method of its positioning in process of detection and detector for process realisation
RU2611232C2 (en) 2011-07-27 2017-02-21 Александер ПОТЕМКИН Method for applying mark onto surface of diamond or cut diamond to determine its authenticity
WO2013152155A1 (en) * 2012-04-04 2013-10-10 Merenfeld Miriam Reflective surface having a computer readable code
CA2912955C (en) * 2013-05-30 2019-12-31 Goldway Technology Limited Method of marking material and system therefore, and material marked according to same method
SG11201602743TA (en) * 2013-10-11 2016-05-30 Chow Tai Fook Jewellery Co Ltd Method of providing markings to precious stones including gemstones and diamonds, and markings and marked precious stones marked according to such a method
HK1198858A2 (en) 2014-04-16 2015-06-12 Master Dynamic Ltd Method of marking a solid state material, and solid state materials marked according to such a method
CH713538B1 (en) * 2017-03-02 2020-12-30 Guebelin Gem Lab Ltd Procedure for making a gemstone traceable.
EP3625060A4 (en) * 2018-02-23 2021-03-24 Master Dynamic Limited Method of marking a solid-state material, markings formed from such methods and solid-state materials marked according to such a method
SG10201805438TA (en) * 2018-06-25 2020-01-30 Iia Tech Pte Ltd A diamond having nanostructures on one of its surface to generate structural colours and a method of producing thereof
EP3712717A1 (en) * 2019-03-19 2020-09-23 Comadur S.A. Method for marking a sapphire watchglass
RU2720100C1 (en) * 2019-03-26 2020-04-24 Акционерная Компания "АЛРОСА" (публичное акционерное общество) (АК "АЛРОСА" (ПАО)) Method of creating and detecting optically permeable image inside diamond and detection system (embodiments)
CN111983804A (en) * 2020-08-27 2020-11-24 蔡汉荣 Metal surface and method for forming reflective projection imaging by utilizing metal surface processing

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB718651A (en) * 1952-06-23 1954-11-17 Ici Ltd Improvements in or relating to optical goniometers
US4200506A (en) * 1977-11-08 1980-04-29 Dreschhoff Gisela A M Process for providing identification markings for gemstones
JPS56108712U (en) * 1980-01-24 1981-08-24
EP0064780A1 (en) * 1981-05-07 1982-11-17 Maurice Hakoune Process for treating a gem, and gem so treated
US4467172A (en) * 1983-01-03 1984-08-21 Jerry Ehrenwald Method and apparatus for laser engraving diamonds with permanent identification markings
US4639301B2 (en) * 1985-04-24 1999-05-04 Micrion Corp Focused ion beam processing
DE3802535A1 (en) * 1987-05-21 1989-02-23 Sattler Hans Eberhard DEVICE FOR CONSIDERING, IN PARTICULAR, RAW GEMS IN AN IMMERSION LIQUID
JP2867694B2 (en) * 1990-11-27 1999-03-08 住友電気工業株式会社 Polycrystalline diamond cutting tool and its manufacturing method
US5178645A (en) * 1990-10-08 1993-01-12 Sumitomo Electric Industries, Ltd. Cutting tool of polycrystalline diamond and method of manufacturing the same
JPH0594615A (en) * 1991-09-30 1993-04-16 Toppan Printing Co Ltd Information recording medium
JP3618345B2 (en) * 1993-03-05 2005-02-09 ゲルザン エスタブリッシュメント Discriminating natural diamond from synthetic diamond
JPH07108007A (en) * 1993-10-13 1995-04-25 Daiwa Kako Kk Ornament
GB9514558D0 (en) * 1995-07-17 1995-09-13 Gersan Ets Marking diamond
US5932119A (en) * 1996-01-05 1999-08-03 Lazare Kaplan International, Inc. Laser marking system
JPH10244382A (en) * 1997-03-04 1998-09-14 Mitsubishi Chem Corp Texture device and its method
IL124592A (en) * 1997-05-23 2002-07-25 Gersan Ets Method of marking a gemstone or diamond

Also Published As

Publication number Publication date
AU746557B2 (en) 2002-05-02
JP2001526996A (en) 2001-12-25
GB9828393D0 (en) 1999-02-17
ES2212385T3 (en) 2004-07-16
DE69820295D1 (en) 2004-01-15
GB2332651B (en) 2001-11-07
KR20010040311A (en) 2001-05-15
CA2316957C (en) 2004-04-27
CN1146506C (en) 2004-04-21
KR100501089B1 (en) 2005-07-18
AU1774399A (en) 1999-07-19
GB2332651A (en) 1999-06-30
JP4497720B2 (en) 2010-07-07
IL136967A0 (en) 2001-06-14
RU2215659C2 (en) 2003-11-10
DE69820295T2 (en) 2004-10-21
TW458836B (en) 2001-10-11
HK1020032A1 (en) 2000-03-10
WO1999033671A1 (en) 1999-07-08
CN1284916A (en) 2001-02-21
ZA9811838B (en) 2000-06-23
EP1042132B1 (en) 2003-12-03
GB9727364D0 (en) 1998-02-25
EP1042132A1 (en) 2000-10-11
JP2009285733A (en) 2009-12-10

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20181224