HK1018175A2 - Procedure for marking gems - Google Patents

Procedure for marking gems

Info

Publication number
HK1018175A2
HK1018175A2 HK98109308A HK98109308A HK1018175A2 HK 1018175 A2 HK1018175 A2 HK 1018175A2 HK 98109308 A HK98109308 A HK 98109308A HK 98109308 A HK98109308 A HK 98109308A HK 1018175 A2 HK1018175 A2 HK 1018175A2
Authority
HK
Hong Kong
Prior art keywords
gems
marking
procedure
marking gems
Prior art date
Application number
HK98109308A
Other languages
English (en)
Inventor
Mario Gaia
Original Assignee
Gemmindustria Gaia Ferrando S
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 Gemmindustria Gaia Ferrando S filed Critical Gemmindustria Gaia Ferrando S
Publication of HK1018175A2 publication Critical patent/HK1018175A2/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/007—Special types of gems
    • 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04—Coating on selected surface areas, e.g. using masks
    • C23C14/042—Coating on selected surface areas, e.g. using masks using masks
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
  • Physical Vapour Deposition (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
HK98109308A 1997-08-05 1998-07-21 Procedure for marking gems HK1018175A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI971888 IT1293822B1 (it) 1997-08-05 1997-08-05 Procedimento di marcatura di gemme prodotto ottenuto e dispositivo per realizzare il procedimento

Publications (1)

Publication Number Publication Date
HK1018175A2 true HK1018175A2 (en) 1999-11-26

Family

ID=11377730

Family Applications (2)

Application Number Title Priority Date Filing Date
HK98109308A HK1018175A2 (en) 1997-08-05 1998-07-21 Procedure for marking gems
HK98109307A HK1018174A2 (en) 1997-08-05 1998-07-21 Device for marking gems

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK98109307A HK1018174A2 (en) 1997-08-05 1998-07-21 Device for marking gems

Country Status (4)

Country Link
EP (1) EP0897021A1 (fr)
JP (1) JPH1192299A (fr)
HK (2) HK1018175A2 (fr)
IT (1) IT1293822B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6593543B2 (en) * 2000-07-20 2003-07-15 David Benderly Gemstone marking system and method
FR2858750B1 (fr) * 2003-08-12 2005-10-14 Jean Marie Tanaroa Colombani Marquage des nucleus destines a la production de perles de culture
FR3016440B1 (fr) 2014-01-10 2017-06-09 Univ Claude Bernard Lyon Procede de marquage de la nacre
CN113276298A (zh) * 2021-05-13 2021-08-20 上海汉虹精密机械有限公司 轮盘式坩埚切断机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812234B2 (ja) * 1976-12-24 1983-03-07 一實 奥田 表示入りダイヤモンドの製造方法
US4200506A (en) * 1977-11-08 1980-04-29 Dreschhoff Gisela A M Process for providing identification markings for gemstones
BE888714A (fr) * 1981-05-07 1981-08-28 Hakoune Maurice Procede de traitement d'une pierre precieuse et pierre precieuse ainsi traitee

Also Published As

Publication number Publication date
EP0897021A1 (fr) 1999-02-17
JPH1192299A (ja) 1999-04-06
IT1293822B1 (it) 1999-03-10
HK1018174A2 (en) 1999-11-26
ITMI971888A1 (it) 1999-02-05

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)