JP2580692B2 - Artificial diamond-coated gold and gold alloy ornaments - Google Patents
Artificial diamond-coated gold and gold alloy ornamentsInfo
- Publication number
- JP2580692B2 JP2580692B2 JP63074087A JP7408788A JP2580692B2 JP 2580692 B2 JP2580692 B2 JP 2580692B2 JP 63074087 A JP63074087 A JP 63074087A JP 7408788 A JP7408788 A JP 7408788A JP 2580692 B2 JP2580692 B2 JP 2580692B2
- Authority
- JP
- Japan
- Prior art keywords
- gold
- artificial diamond
- substrate
- gold alloy
- coated
- 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.)
- Expired - Lifetime
Links
Landscapes
- Adornments (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、表面が硬質の人工ダイヤモンドでコート
され、したがって傷がつきにくく、いつまでも装飾的美
的価値を保持する金および金合金製装飾品に関するもの
である。Description: FIELD OF THE INVENTION The present invention relates to gold and gold alloy ornaments whose surface is coated with hard artificial diamond and is therefore resistant to scratches and which retains its decorative aesthetic value forever. Things.
一般に、時計バンド、ブレスレット、ライター、ブロ
ーチ、ベンダント、バックル、万年筆、シガレットケー
ス、ネクタイピン、カフスボタンなどの装身具や装飾
品、さらに各種工芸品(以下これらを総称して装飾品と
いう)などの製造には、純金や各種金合金の板材、ある
いはこれら金および金合金から適宜な組合せで色調の異
なる複数種を選び、これを素材として用い、鍛接法やロ
ール圧延法、爆着法、さらに押出法などの加工法を施す
ことにより製造された複合板材が用いられている。In general, the manufacture of jewelry and accessories such as watch bands, bracelets, lighters, brooches, bendants, buckles, fountain pens, cigarette cases, tie pins and cufflinks, as well as various crafts (hereinafter collectively referred to as ornaments) In the case of pure gold and various gold alloys, or a combination of these gold and gold alloys, select a plurality of types with different color tones, and use these as materials for forging, rolling, explosion, and extrusion methods. Composite plate materials manufactured by performing such processing methods as above are used.
また、上記の金合金としては、重量%で(以下%は重
量%を示す)、色調を変化させ、かつ強化する目的で、
Ag,Pd,Cu,およびNiのうちの1種または2種以上:1〜40
%含有し、残りがAuと不可避不純物からなる組成を有す
るものが知られており、ちなみに、合金成分としてのAg
は色調を青色化し、またPdおよびNiは白色化し、さらに
Cuは赤色化するものである。In addition, the above gold alloy is expressed in terms of% by weight (hereinafter,% means% by weight), for the purpose of changing the color tone and strengthening,
One or more of Ag, Pd, Cu, and Ni: 1 to 40
%, With the balance being composed of Au and inevitable impurities. By the way, Ag as an alloy component is known.
Changes the color to blue, Pd and Ni turn white,
Cu turns red.
しかし、上記装飾品においては、これを構成する純金
および金合金が軟質であるために傷がつき易く、特に表
面に繊細で複雑な模様を施した装飾品にあっては、その
取扱いに細心の注意をはらう必要がある。However, in the above ornaments, the pure gold and gold alloy constituting the ornaments are easily damaged due to softness. In particular, in the case of ornaments having a delicate and complicated pattern on the surface, careful handling of the ornaments is required. You need to be careful.
一方、かかる問題に対処するために、公知と人工ダイ
ヤモンド析出処理方法、すなわち特開昭58−91100号公
報に記載される熱電子放射法や、特開昭58−135117号公
報に記載される高周波プラズマ法、さらに特開昭58−11
0494号公報に記載されるマイクロ波法を用いて、上記金
および金合金製の装飾品の表面に人工ダイヤモンドをコ
ートする試みもなされたが、上記の金および金合金製装
飾品の表面に人工ダイヤモンドは析出せず、実質的に人
工ダイヤモンドのコートは不可能であるのが現状であ
る。On the other hand, in order to cope with such a problem, a known and artificial diamond deposition method, that is, a thermionic emission method described in JP-A-58-91100, and a high-frequency radiation method described in JP-A-58-135117. Plasma method, and JP-A-58-11
Attempts have also been made to coat the surface of the gold and gold alloy ornaments with artificial diamond using the microwave method described in Japanese Patent No. 0494, At present, diamond does not precipitate, and it is practically impossible to coat artificial diamond.
そこで、本発明者等は、上述のような観点から、従来
の金および金合金製装飾品の表面に人工ダイヤモンドの
コートを可能とすべく研究を行なった結果、上記の金お
よび金合金製装飾品の表面に、人工ダイヤモンドをコー
トするに先だって、これに、 Hf,Zr,Ti,Ta,Cr,V,Nb,Mo,Si,およびWのうちの少なく
とも1種からなる薄膜を、例えばスパッタリング法など
の公知の物理蒸着法により形成しておくと、この薄膜に
は人工ダイヤモンドの析出促進効果があることから、人
工ダイヤモンドの析出処理では、高い密着力で人工ダイ
ヤモンドが析出するようになり、かつこの薄膜は、金お
よび金合金の基体に対する密着性もきわめて良好である
という知見を得たのである。In view of the above, the present inventors have conducted research to make it possible to coat artificial diamond on the surface of conventional gold and gold alloy decorative articles. As a result, the gold and gold alloy decorative Prior to coating the surface of the article with an artificial diamond, a thin film made of at least one of Hf, Zr, Ti, Ta, Cr, V, Nb, Mo, Si, and W is applied to the article by, for example, a sputtering method. If formed by a known physical vapor deposition method such as this, since this thin film has an effect of accelerating the deposition of artificial diamond, in the processing of depositing artificial diamond, artificial diamond comes to be deposited with high adhesion, and This thin film was found to have a very good adhesion of gold and gold alloy to the substrate.
この発明は、上記知見にもとづいてなされたものであ
って、 金または金合金からなる基体の表面に、 Hf,Zr,Ti,Ta,Cr,V,Nb,Mo,Si,およびWのうちの少なく
とも1種からなる平均層厚:0.05〜0.5μmの中間層を介
して、 人工ダイヤモンドをコートしてなる金および金合金製
装飾品に特徴を有するものである。The present invention has been made on the basis of the above-described findings, and includes a method of coating a surface of a substrate made of gold or a gold alloy with Hf, Zr, Ti, Ta, Cr, V, Nb, Mo, Si, and W. The present invention is characterized in that a decorative article made of gold and gold alloy coated with artificial diamond through an intermediate layer of at least one kind having an average layer thickness of 0.05 to 0.5 μm.
なお、この発明の装飾品において、中間層の平均層厚
を0.05〜0.5μmに定めたのは、その平均層厚が0.05μ
m未満では所望の人工ダイヤモンド析出促進効果が得ら
れず、一方その平均層厚が0.5μmを越えると、金およ
び金合金基体のもつ色調が損なわれるようになるという
理由からである。In the decorative article of the present invention, the average layer thickness of the intermediate layer is set to 0.05 to 0.5 μm because the average layer thickness is 0.05 μm.
If the average thickness is more than 0.5 μm, the color tone of the gold or gold alloy substrate will be impaired.
また、上記の人工ダイヤモンド析出処理方法として知
られている上記熱電子放射法は、第1図に概略断面図で
示されるように、石英製縦型反応容器1内の上方位置に
開口する反応混合ガス導入管2によって流入された、主
として炭化水素と水素で構成された反応混合ガスを、そ
の下方位置に配置された、熱電子放射材としての例えば
金属タングステン製フィラメント3および台板4上に支
持された基体5に向って流し、この間、反応容器1内の
雰囲気圧力を0.1〜300torrに保持すると共に、フィラメ
ント3を1500〜2500℃に加熱して、反応混合ガスの加熱
活性化と、所定間隔をおいて下方配置された基体表面の
300〜1300℃の範囲内の温度への加熱をはかり、この状
態で所定時間の反応を行なわしめることにより前記基体
5の表面にダイヤモンドを析出形成せしめる方法であ
り、例えば特開昭58−91100号公報に記載される方法が
この方法に相当する方法である。In addition, the thermionic emission method, which is known as the above-mentioned artificial diamond deposition treatment method, has a reaction mixture opening at an upper position in a quartz vertical reaction vessel 1 as shown in a schematic sectional view in FIG. The reaction mixture gas mainly composed of hydrocarbons and hydrogen introduced by the gas introduction pipe 2 is supported on, for example, a metal tungsten filament 3 and a base plate 4 as thermionic emission materials disposed below the reaction mixture gas. The filaments 3 are heated to 1500 to 2500 ° C. while the atmospheric pressure in the reaction vessel 1 is maintained at 0.1 to 300 torr, and the heating and activation of the reaction mixture gas are performed. Of the substrate surface located below
This is a method in which heating to a temperature in the range of 300 to 1300 ° C. is carried out, and a reaction is carried out for a predetermined time in this state to precipitate and form diamond on the surface of the substrate 5. The method described in the gazette is a method corresponding to this method.
また、上記高周波プラズマ法は、同じく第2図に概略
断面図で示されるように、石英製横型反応容器1内の中
央部に基体5を置き、この反応容器1の一方側に設けた
反応混合ガス導入管2から主として炭化水素と水素で構
成された反応混合ガスを流入させ、一方反応容器1の他
方側から排気し、この間、反応容器1内の雰囲気圧力を
数torr〜数10torrに保持すると共に、反応容器1の中央
部外周に設けた高周波コイル6に、例えば周波数:13.56
MHz、出力:500Wの条件を付加して反応容器1内の基体5
の周囲にプラズマ放電を誘起させ、このプラズマ放電に
よって反応混合ガスの加熱活性化と基体表面温度の上昇
をはかり、この状態で所定時間の反応を行なわしめるこ
とにより基体表面にダイヤモンドを析出形成せしめる方
法であり、例えば特開昭58−135117号公報に記載されて
いる方法がこれに相当するものである。In the high-frequency plasma method, as shown in the schematic sectional view of FIG. 2, a substrate 5 is placed at the center of a quartz horizontal reaction vessel 1 and a reaction mixture provided on one side of the reaction vessel 1. A reaction mixture gas mainly composed of hydrocarbons and hydrogen is introduced from the gas introduction pipe 2 and exhausted from the other side of the reaction vessel 1, while maintaining the atmospheric pressure in the reaction vessel 1 at several torr to several tens torr. At the same time, for example, a frequency: 13.56
MHz, output: 500W, and the substrate 5 in the reaction vessel 1 was added.
A plasma discharge is induced around the substrate, and the plasma discharge is used to activate the reaction mixture gas and increase the surface temperature of the substrate. Then, a reaction is performed for a predetermined time in this state to precipitate diamond on the surface of the substrate. For example, the method described in JP-A-58-135117 corresponds to this.
さらに、上記マイクロ波法は、同様に第3図に概略断
面図で示されるように、石英製縦型反応容器1内の中央
位置に基体5を置き、この反応容器1の上部に設けた反
応混合ガス導入管2から、主として炭化水素と水素で構
成された反応混合ガスを流入させ、一方反応容器1の下
部から排気し、この間、反応容器内の雰囲気圧力を0.1
〜300torrに保持しながら、反応容器1の中央部外周に
設けた導波管7を通して供給された、例えば2450MHzの
マイクロ波をプラズマ調整用プランジャ8によって調整
して、反応容器1内の基体5の周囲にプラズマ放電を発
生させ、このブラズマ放電によって反応混合ガスの加熱
活性化と基体表面温度の上昇をはかり、この状態で所定
時間の反応を行なわしめることにより基体表面にダイヤ
モンドを析出形成せしめる方法であり、例えば特開昭58
−110494号公報に記載されている方法がこれに相当する
方法である。Further, in the microwave method, as shown in a schematic sectional view in FIG. 3, a substrate 5 is placed at a central position in a vertical reaction vessel 1 made of quartz, and a reaction provided at an upper portion of the reaction vessel 1 is performed. A reaction mixture gas mainly composed of hydrocarbons and hydrogen flows from the mixture gas introduction pipe 2, and the reaction mixture gas is exhausted from the lower part of the reaction vessel 1.
While maintaining the pressure at ~ 300 torr, microwaves of, for example, 2450 MHz supplied through a waveguide 7 provided on the outer periphery of the central portion of the reaction vessel 1 are adjusted by a plunger 8 for plasma adjustment so that the substrate 5 in the reaction vessel 1 A plasma discharge is generated in the surroundings, and the plasma discharge is used to activate and heat the reaction mixture gas and increase the surface temperature of the substrate, and a reaction is performed for a predetermined time in this state to precipitate diamond on the surface of the substrate. Yes, for example,
The method described in JP-A-110494 is a corresponding method.
つぎに、この発明の装飾品を実施例により具体的に説
明する。Next, the decorative article of the present invention will be specifically described with reference to examples.
通常の溶解法を用い、それぞれ第1表に示される金お
よび金合金溶湯を調製し、鋳造してインゴットとし、つ
いでこれに通常の条件で圧延を施して厚さ:1mmの板状基
体とし、一方それぞれHf,Zr,Ti,Ta,Cr,V,Nb,Mo,Si,およ
びWからなる直径:127mm×厚さ:3mmの寸法をもったター
ゲット材を用意し、このターゲット材を用い、通常のプ
ラズマスパッタリング装置にて、前記基体の表面に、第
1表に示される平均層厚の中間層を形成し、引続いて前
記基体の表面に前記中間層を介して人工ダイヤモンドを
通常の条件で析出させることにより本発明および金合金
製装飾品素材(以下本発明装飾品素材という)1〜14を
それぞれ製造した。Using a normal melting method, a gold and a gold alloy melt shown in Table 1 were prepared and cast to form an ingot, which was then rolled under normal conditions to obtain a plate-shaped substrate having a thickness of 1 mm. On the other hand, a target material having a diameter of 127 mm × thickness: 3 mm made of Hf, Zr, Ti, Ta, Cr, V, Nb, Mo, Si, and W is prepared, and this target material is used. In the plasma sputtering apparatus, an intermediate layer having an average layer thickness shown in Table 1 was formed on the surface of the substrate, and then artificial diamond was formed on the surface of the substrate via the intermediate layer under ordinary conditions. By precipitating, the present invention and decorative materials made of gold alloy (hereinafter referred to as the present decorative material) 1 to 14 were produced, respectively.
また、比較の目的で、中間層の形成を行なわない以外
は同一の条件で比較金および金合金製装飾 品素材(以下比較装飾品素材という)1〜5をそれぞれ
製造した。For the purpose of comparison, decoration made of comparative gold and gold alloy was performed under the same conditions except that the intermediate layer was not formed. Article materials (hereinafter referred to as comparative ornament materials) 1 to 5 were produced.
この結果得られた各種装飾品素材の表面における人工
ダイヤモンドの面積率を測定し、第1表に示した。The area ratio of the artificial diamond on the surfaces of the various decorative material materials obtained as a result was measured and is shown in Table 1.
第1表に示される結果から、本発明装飾品素材1〜14
の表面には、いずれも80%以上の面積率で人工ダイヤモ
ンドがコートされているのに対して、比較装飾品素材1
〜5に見られるように、純金や、従来公知の成分組成を
有する金合金で構成された装飾品の表面には人工ダイヤ
モンドをコートすることができないことが明らかであ
る。From the results shown in Table 1, the decorative material of the present invention 1-14
The surface of each of them was coated with artificial diamond at an area ratio of 80% or more, while the comparative decorative material 1
As can be seen from Nos. 1 to 5, it is apparent that artificial diamond cannot be coated on the surface of a decorative product made of pure gold or a gold alloy having a conventionally known component composition.
上述のように、この発明の金および金合金製装飾品
は、その表面が硬質の人工ダイヤモンドでコートされて
いるので、傷がつきにくく、具備する装飾的美的価値が
半永久的に損なわれることがないなど有用な特性を有す
るのである。As described above, the decorative article made of gold and gold alloy of the present invention is hardly scratched because its surface is coated with hard artificial diamond, and the decorative aesthetic value of the ornament is semipermanently impaired. It has useful properties such as no.
第1〜3図はいずれも人工ダイヤモンド析出処理方法を
示す概略断面図で、第1図は熱電子放射法、第2図は高
周波プラズマ法、第3図はマイクロ波法をそれぞれ示す
図である。 1……反応容器、 2……反応混合ガス導入管、 3……熱電子放射材、4……台板、 5……基体、6……高周波コイル、 7……導波管、8……プランジャ。1 to 3 are schematic cross-sectional views showing an artificial diamond deposition method. FIG. 1 is a diagram showing a thermionic emission method, FIG. 2 is a high-frequency plasma method, and FIG. 3 is a diagram showing a microwave method. . DESCRIPTION OF SYMBOLS 1 ... Reaction container, 2 ... Reaction mixture gas introduction pipe, 3 ... Thermionic emission material, 4 ... Base plate, 5 ... Substrate, 6 ... High frequency coil, 7 ... Waveguide, 8 ... Plunger.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 菊池 則文 埼玉県大宮市北袋町1―297 三菱金属 株式会社中央研究所内 (56)参考文献 特開 昭61−261480(JP,A) 特開 昭62−202899(JP,A) 特開 昭60−208473(JP,A) 特開 昭62−86161(JP,A) ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Norifumi Kikuchi 1-297 Kitabukurocho, Omiya City, Saitama Prefecture Mitsubishi Metal Corporation Central Research Laboratory (56) References JP-A-61-261480 (JP, A) JP-A-62 -202899 (JP, A) JP-A-60-208473 (JP, A) JP-A-62-86161 (JP, A)
Claims (1)
も1種からなる平均層厚:0.05〜0.5μmの中間層を介し
て、 人工ダイヤモンドをコートしてなる金および金合金製装
飾品。An average layer thickness of at least one of Hf, Zr, Ti, Ta, Cr, V, Nb, Mo, Si, and W on a surface of a substrate made of gold or a gold alloy: 0.05 to Gold and gold alloy ornaments coated with artificial diamond through a 0.5 μm intermediate layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63074087A JP2580692B2 (en) | 1988-03-28 | 1988-03-28 | Artificial diamond-coated gold and gold alloy ornaments |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63074087A JP2580692B2 (en) | 1988-03-28 | 1988-03-28 | Artificial diamond-coated gold and gold alloy ornaments |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01244707A JPH01244707A (en) | 1989-09-29 |
JP2580692B2 true JP2580692B2 (en) | 1997-02-12 |
Family
ID=13537041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63074087A Expired - Lifetime JP2580692B2 (en) | 1988-03-28 | 1988-03-28 | Artificial diamond-coated gold and gold alloy ornaments |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2580692B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11464303B2 (en) | 2019-01-11 | 2022-10-11 | Frederick Goldman, Inc. | Black diamond like carbon (DLC) coated articles and methods of making the same |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5492770A (en) * | 1990-08-03 | 1996-02-20 | Fujitsu Limited | Method and apparatus for vapor deposition of diamond film |
US5260106A (en) * | 1990-08-03 | 1993-11-09 | Fujitsu Limited | Method for forming diamond films by plasma jet CVD |
HUT69255A (en) * | 1991-04-26 | 1995-08-28 | Gillette Co | Recapped razor blades |
JPH04347102A (en) * | 1991-05-27 | 1992-12-02 | Goei Seisakusho:Kk | Diamond accessory and production thereof |
US5423475A (en) * | 1993-10-06 | 1995-06-13 | Westinghouse Electric Corporation | Diamond coatings for aluminum alloys |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60208473A (en) * | 1984-03-30 | 1985-10-21 | Mitsubishi Metal Corp | Artificial diamond-coated tool member |
JPS61261480A (en) * | 1985-05-13 | 1986-11-19 | Toshiba Tungaloy Co Ltd | Diamond coated member |
JPS6286161A (en) * | 1985-10-11 | 1987-04-20 | Mitsubishi Metal Corp | Formation of artificial diamond film at high deposition forming rate |
JPS62202899A (en) * | 1986-03-03 | 1987-09-07 | Nippon Gakki Seizo Kk | Production of decorative article |
-
1988
- 1988-03-28 JP JP63074087A patent/JP2580692B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11464303B2 (en) | 2019-01-11 | 2022-10-11 | Frederick Goldman, Inc. | Black diamond like carbon (DLC) coated articles and methods of making the same |
Also Published As
Publication number | Publication date |
---|---|
JPH01244707A (en) | 1989-09-29 |
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