RU98102782A - METHOD FOR LABELING DIAMONDS - Google Patents

METHOD FOR LABELING DIAMONDS

Info

Publication number
RU98102782A
RU98102782A RU98102782/12A RU98102782A RU98102782A RU 98102782 A RU98102782 A RU 98102782A RU 98102782/12 A RU98102782/12 A RU 98102782/12A RU 98102782 A RU98102782 A RU 98102782A RU 98102782 A RU98102782 A RU 98102782A
Authority
RU
Russia
Prior art keywords
irradiated
preceding paragraphs
radiation
diamond
stigma
Prior art date
Application number
RU98102782/12A
Other languages
Russian (ru)
Other versions
RU2161093C2 (en
Inventor
Гордон Чартерс Смит Джеймс
Купер Мартин
Original Assignee
Джерсан Эстаблишмент
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
Priority claimed from GBGB9514558.7A external-priority patent/GB9514558D0/en
Application filed by Джерсан Эстаблишмент filed Critical Джерсан Эстаблишмент
Publication of RU98102782A publication Critical patent/RU98102782A/en
Application granted granted Critical
Publication of RU2161093C2 publication Critical patent/RU2161093C2/en

Links

Claims (20)

1. Способ нанесения на шлифованную грань алмазного драгоценного камня (7) информационного клейма, которое невидимо для невооруженного глаза, по которому облучают соответствующую часть поверхности грани излучением, имеющим длину волны короче, чем примерно 400 нм, в присутствии реагента, который реагирует с облучаемой частью поверхности грани и вызывает образование клейма, отличающийся тем, что облучающий поток образуют ниже уровня, при котором возникает существенное затемнение.1. The method of applying to the polished face of a diamond gemstone (7) an information mark that is invisible to the naked eye, according to which the corresponding part of the face surface is irradiated with radiation having a wavelength shorter than about 400 nm in the presence of a reagent that reacts with the irradiated part the surface of the face and causes the formation of a stigma, characterized in that the irradiating flow is formed below the level at which significant dimming occurs. 2. Способ нанесения на шлифованную грань алмазного драгоценного камня (7) информационного клейма, которое невидимо для невооруженного глаза, по которому облучают соответствующую часть поверхности грани излучением, имеющим длину волны короче, чем примерно 400 нм, в присутствии реагента, который реагирует с облучаемой частью поверхности грани и вызывает образование клейма, отличающийся тем, что облучающий поток образуют ниже уровня, при котором образуемое клеймо снижает степень чистоты алмаза. 2. The method of applying to the polished face of a diamond gemstone (7) an information stamp that is invisible to the naked eye, according to which the corresponding part of the face surface is irradiated with radiation having a wavelength shorter than about 400 nm in the presence of a reagent that reacts with the irradiated part the surface of the face and causes the formation of a stigma, characterized in that the irradiating flow is formed below the level at which the stigma formed reduces the degree of purity of the diamond. 3. Способ нанесения на шлифованную грань алмазного драгоценного камня (7) информационного клейма, невидимого для невооруженного глаза, по которому облучают соответствующую часть поверхности грани излучением, имеющим длину волны короче, чем, примерно, 400 нм, в присутствии реагента, который реагирует с облучаемой частью поверхности грани и приводит к образованию клейма, отличающийся тем, что облучающий поток образуют ниже порога абляции алмаза и ниже уровня, при котором в образуемом клейме возникает существенное затемнение. 3. The method of applying to the polished facet of a diamond gemstone (7) an information mark invisible to the naked eye, according to which the corresponding part of the facet surface is irradiated with radiation having a wavelength shorter than about 400 nm in the presence of a reagent that reacts with the irradiated part of the surface of the face and leads to the formation of a stigma, characterized in that the irradiating flow is formed below the diamond ablation threshold and below the level at which significant dimming occurs in the stigma formed. 4. Способ по любому из предшествующих пунктов, отличающийся тем, что излучение является импульсным и соответствующая часть подвергается облучению не менее чем примерно 100 импульсов на облучаемую область. 4. The method according to any one of the preceding paragraphs, characterized in that the radiation is pulsed and the corresponding part is irradiated with at least about 100 pulses per irradiated area. 5. Способ по любому из предшествующих пунктов, отличающийся тем, что излучение является импульсным и поток, падающий на облучаемую область, не превышает примерно 3 Дж/см2 на импульс.5. The method according to any one of the preceding paragraphs, characterized in that the radiation is pulsed and the flux incident on the irradiated region does not exceed about 3 J / cm 2 per pulse. 6. Способ нанесения на шлифованную грань алмазного драгоценного камня (7) информационного клейма, по которому облучают соответствующую часть поверхности грани импульсным излучением, имеющим длину волны короче, чем примерно 400 нм в присутствии реагента, который реагирует с облучаемой частью поверхности и вызывает образование клейма, отличающийся тем, что поток, падающий на облучаемую область, не превышает примерно 3 Дж/см2 на импульс и тем, что облучаемую область подвергают воздействию не менее чем примерно 100 импульсов.6. A method of applying an information mark to a polished facet of a diamond gemstone (7), according to which the corresponding part of the face surface is irradiated with pulsed radiation having a wavelength shorter than about 400 nm in the presence of a reagent that reacts with the irradiated part of the surface and causes the formation of a mark, characterized in that the flux incident on the irradiated region does not exceed about 3 J / cm 2 per pulse and in that the irradiated region is exposed to at least about 100 pulses. 7. Способ по п. 5 или 6, отличающийся тем, что излучение является импульсным, и, что поток, падающий на облучаемую поверхность, не превышает примерно 2 Дж/см2 на импульс.7. The method according to p. 5 or 6, characterized in that the radiation is pulsed, and that the flux incident on the irradiated surface does not exceed about 2 J / cm 2 per pulse. 8. Способ по любому из предшествующих пунктов, отличающийся тем, что при образовании клейма отсутствует возникновение какого-либо существенного затемнения. 8. The method according to any one of the preceding paragraphs, characterized in that during the formation of the stigma there is no occurrence of any significant blackout. 9. Способ по любому из предшествующих пунктов, отличающийся тем, что образуемое клеймо невидимо невооруженным глазом, снабженным 10-кратной лупой. 9. The method according to any one of the preceding paragraphs, characterized in that the stigma formed is invisible to the naked eye, equipped with a 10-fold magnifier. 10. Способ по любому из предшествующих пунктов, отличающийся тем, что какой-либо поддающийся обнаружению неалмазный углерод отсутствует в создаваемом клейме. 10. The method according to any one of the preceding paragraphs, characterized in that any detectable non-diamond carbon is absent in the created stamp. 11. Способ по любому из предшествующих пунктов, отличающийся тем, что соответствующую часть подвергают облучению излучением, имеющим длину волны меньше 225 нм. 11. The method according to any one of the preceding paragraphs, characterized in that the corresponding part is subjected to irradiation with radiation having a wavelength of less than 225 nm. 12. Способ по любому из предшествующих пунктов, отличающийся тем, что излучение является импульсным и что глубину указанного клейма отслеживают в течение процесса и регулируют числом посылаемых импульсов. 12. The method according to any one of the preceding paragraphs, characterized in that the radiation is pulsed and that the depth of the specified stigma is monitored during the process and is controlled by the number of pulses sent. 13. Способ по любому из предшествующих пунктов, отличающийся тем, что информационное клеймо наносится на грань алмазного камня (7). 13. The method according to any one of the preceding paragraphs, characterized in that the information brand is applied to the brink of a diamond stone (7). 14. Способ по любому из предшествующих пунктов, отличающийся тем, что указанным реагентом является газ. 14. The method according to any one of the preceding paragraphs, characterized in that said reagent is a gas. 15. Способ по п. 14 отличающийся тем, что указанным реагентом является оксидирующий газ. 15. The method according to p. 14 characterized in that said reagent is an oxidizing gas. 16. Способ по п. 15, отличающийся тем, что указанным реагентом является воздух. 16. The method according to p. 15, characterized in that said reagent is air. 17. Способ по любому из предшествующих пунктов, отличающийся тем, что информационное клеймо имеет глубину не более чем примерно 100 нм. 17. The method according to any one of the preceding paragraphs, characterized in that the information brand has a depth of not more than about 100 nm. 18. Способ по любому из предшествующих пунктов, отличающийся тем, что информационное клеймо имеет глубину не менее чем примерно 1 нм. 18. The method according to any one of the preceding paragraphs, characterized in that the information brand has a depth of not less than about 1 nm. 19. Алмазный драгоценный камень, на шлифованную грань которого нанесено информационное клеймо посредством способа по любому из предшествующих пунктов. 19. A diamond gem, on the polished face of which an information mark is applied by means of the method according to any one of the preceding paragraphs. 20. Устройство для нанесения на шлифованную грань алмазного драгоценного камня (7) информационного клейма, невидимого для невооруженного глаза, содержащее средство (8) установки алмазного драгоценного камня (7), источник излучения (1) и оптическое средство (2 - 5 или 2 - 5 и 21 - 30) для облучения поверхности шлифованной грани драгоценного камня импульсным излучением, имеющим длину волны меньше, чем, примерно 400 нм, а также средство (9), обеспечивающее присутствие у облучаемой поверхности реагента, который реагирует с облучаемой частью поверхности грани и вызывает образование клейма, отличающееся тем, что источник излучения и оптическое средство таковые, что поток, падающий на облучаемую поверхность, не превышает примерно 3 Дж/см2 на импульс и образован ниже порога абляции алмаза, а также тем, что устройство управляется таким образом, чтобы облучаемая поверхность подвергалась воздействию не более чем примерно 100 импульсов.20. A device for applying to the polished facet of a diamond gemstone (7) an information mark that is invisible to the naked eye, containing means (8) for installing a diamond gemstone (7), a radiation source (1) and an optical tool (2 - 5 or 2 - 5 and 21 - 30) for irradiating the surface of the polished gem face with pulsed radiation having a wavelength of less than about 400 nm, as well as means (9) that ensure the presence of a reagent on the irradiated surface that reacts with the irradiated part of the gran surface and it causes the formation of a stigma, characterized in that the radiation source and the optical means are such that the flux incident on the irradiated surface does not exceed about 3 J / cm 2 per pulse and is formed below the diamond ablation threshold, and also that the device is controlled by so that the irradiated surface is exposed to no more than about 100 pulses.
RU98102782/12A 1995-07-17 1996-07-17 Method for marking of diamonds RU2161093C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9514558.7A GB9514558D0 (en) 1995-07-17 1995-07-17 Marking diamond
GB9514558.7 1995-07-17

Publications (2)

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RU98102782A true RU98102782A (en) 2000-01-10
RU2161093C2 RU2161093C2 (en) 2000-12-27

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US (2) US6187213B1 (en)
EP (1) EP0839098B1 (en)
JP (1) JP3799060B2 (en)
KR (1) KR100445767B1 (en)
CN (1) CN1067022C (en)
AU (1) AU708323B2 (en)
CA (1) CA2227185C (en)
DE (1) DE69618201T2 (en)
ES (1) ES2166459T3 (en)
GB (2) GB9514558D0 (en)
HK (1) HK1009786A1 (en)
IL (1) IL118886A (en)
RU (1) RU2161093C2 (en)
TW (1) TW380093B (en)
WO (1) WO1997003846A1 (en)

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