BE898023A - Procede et appareillage pour la gravure au rayonnement laser de marque d'identification permanentes dans les diamants. - Google Patents

Procede et appareillage pour la gravure au rayonnement laser de marque d'identification permanentes dans les diamants.

Info

Publication number
BE898023A
BE898023A BE0/211727A BE211727A BE898023A BE 898023 A BE898023 A BE 898023A BE 0/211727 A BE0/211727 A BE 0/211727A BE 211727 A BE211727 A BE 211727A BE 898023 A BE898023 A BE 898023A
Authority
BE
Belgium
Prior art keywords
diamonds
laser radiation
permanent identification
identification laser
engraving
Prior art date
Application number
BE0/211727A
Other languages
English (en)
Inventor
C B Miller Jr
J Ehrenwald
Original Assignee
Ehrenwald Jerry
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 Ehrenwald Jerry filed Critical Ehrenwald Jerry
Publication of BE898023A publication Critical patent/BE898023A/fr

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
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/007—Marks, e.g. trade marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording

Landscapes

  • Laser Beam Processing (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

L'invention concerne d'une part un appareillage à rayonnement LASZE comportant un moyen (30) pour produire une fréquence de sortie qui est la 2ème harmonique de la fréquence fondamentale du LASER et une lentille de focalisation (46) à distance focale peu élevée. L'invensité énergétique peut encore etre réglée par un dispositif d'atténuation (32). En fonctionnement, le diamant (54) est monté sur un support mobile (60) par rapport au faisceau LASER et le procédéest asservi par un ordinateur (66).
BE0/211727A 1983-01-03 1983-10-19 Procede et appareillage pour la gravure au rayonnement laser de marque d'identification permanentes dans les diamants. BE898023A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/455,329 US4467172A (en) 1983-01-03 1983-01-03 Method and apparatus for laser engraving diamonds with permanent identification markings

Publications (1)

Publication Number Publication Date
BE898023A true BE898023A (fr) 1984-02-15

Family

ID=23808373

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/211727A BE898023A (fr) 1983-01-03 1983-10-19 Procede et appareillage pour la gravure au rayonnement laser de marque d'identification permanentes dans les diamants.

Country Status (2)

Country Link
US (1) US4467172A (fr)
BE (1) BE898023A (fr)

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Also Published As

Publication number Publication date
US4467172A (en) 1984-08-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: EHRENWALD JERRY

Effective date: 19901031