JPH0416791A - Indication panel for clock and its fabrication method - Google Patents
Indication panel for clock and its fabrication methodInfo
- Publication number
- JPH0416791A JPH0416791A JP11987590A JP11987590A JPH0416791A JP H0416791 A JPH0416791 A JP H0416791A JP 11987590 A JP11987590 A JP 11987590A JP 11987590 A JP11987590 A JP 11987590A JP H0416791 A JPH0416791 A JP H0416791A
- Authority
- JP
- Japan
- Prior art keywords
- film
- layer
- transparent resin
- mottled
- organic
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 title abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000003973 paint Substances 0.000 claims abstract description 9
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 239000010408 film Substances 0.000 claims description 66
- 239000010409 thin film Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 13
- 238000001312 dry etching Methods 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 6
- 238000003486 chemical etching Methods 0.000 claims description 4
- 238000005488 sandblasting Methods 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 abstract description 24
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052737 gold Inorganic materials 0.000 abstract description 10
- 239000010931 gold Substances 0.000 abstract description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052703 rhodium Inorganic materials 0.000 abstract description 2
- 239000010948 rhodium Substances 0.000 abstract description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241001031135 Aristea ecklonii Species 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、時計用表示板及びその製造方法に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a timepiece display board and a method for manufacturing the same.
従来の一般的な時計用表示板は第４図の断面図に示すよ
うに、裏面に足４が固着された基板１の表面に湿式メツ
キによりメツキ膜２と、該メツキ膜２の表面に塗装によ
り透明塗装膜６とがそれぞれ形成され、更に、透明塗装
膜６の表面に所定の印刷、植字等が付けられている。As shown in the cross-sectional view of FIG. 4, a conventional general watch display board has a plating film 2 formed by wet plating on the surface of a substrate 1 to which feet 4 are fixed on the back surface, and coating the surface of the plating film 2. A transparent coating film 6 is formed by this, and further, predetermined printing, typesetting, etc. are applied to the surface of the transparent coating film 6.
しかしながら、この従来の時計用表示板のメツキ膜の色
は、金色又は銀色が一般的で、且つ単色であった。この
ためデザインの変化に乏しく、高級感に欠けるものであ
った。また、メツキ膜の表面に形成された透明塗装膜は
、一般にスプレーコーティング方法で形成されるため、
厚みが厚く、且つ表面がユズ肌となるため、外観的な見
栄えも良くなかった。However, the color of the plating film of this conventional watch display board was generally gold or silver, and was monochromatic. For this reason, there was little variation in design, and it lacked a sense of luxury. In addition, the transparent coating film formed on the surface of the plating film is generally formed by a spray coating method, so
Since it was thick and had a citron-like surface, it did not have a good appearance.
本発明の目的は、上記従来技術の問題点を解決し、デザ
インの変化に富んだ高級感のある時計用表示板及びその
製造方法を提供するものである。An object of the present invention is to solve the problems of the above-mentioned prior art and to provide a watch display board with a high-class feel with a wide variety of designs and a method for manufacturing the same.
本発明の構成は、基板の表面に金属膜又は有機膜の第１
層と、該第１層の表面にまだら状になった金属膜又は有
機膜の第２層と、該第２層の表面に平滑面を有する透明
樹脂薄膜の第３層とよりなるものである。The structure of the present invention is that a first metal film or an organic film is formed on the surface of the substrate.
a second layer of a metal film or an organic film having a mottled surface on the surface of the first layer, and a third layer of a transparent resin thin film having a smooth surface on the surface of the second layer. .
また、この時計用表示板の製造方法は、基板の表面に金
属膜又は有機膜の第１層を形成し、該第１層の表面に第
１層と異なる色調の金属膜又は有機膜の第２層を形成し
、該第２層の表面をパフ研磨、ホーニング、バレル、サ
ンドブラスト、ケミカルエツチング、ドライエツチング
、有機溶剤エツチングの中の少なくとも１つの方法で処
理し、第１層と第２層とをまだら状にし、更に、前記第
２層の表面に塗膜の透明樹脂膜を形成した後、該透明樹
脂膜をラフピングにより平滑面を有する透明樹脂薄膜の
第３層を形成して作られる。In addition, this method for manufacturing a watch display board includes forming a first layer of a metal film or an organic film on the surface of a substrate, and forming a first layer of a metal film or an organic film on the surface of the first layer with a color tone different from that of the first layer. forming two layers, treating the surface of the second layer with at least one method among puff polishing, honing, barreling, sandblasting, chemical etching, dry etching, and organic solvent etching, and forming the first layer and the second layer. After forming a transparent resin film as a paint film on the surface of the second layer, the transparent resin film is roughened to form a third layer of a transparent resin thin film having a smooth surface.
以下、本発明の実施例を図面に基づいて詳述する。第１
図（ａ）から（Ｃ）は第１実施例で、時計用表示板の製
造工程を示す断面図、第２図は第２実施例で時計用表示
板の断面図、第３図は第３実施例で時計用表示板の断面
図である。Hereinafter, embodiments of the present invention will be described in detail based on the drawings. 1st
Figures (a) to (C) are cross-sectional views showing the manufacturing process of a watch display plate in the first embodiment, Figure 2 is a cross-sectional view of the watch display plate in the second embodiment, and Figure 3 is a cross-sectional view of the watch display plate in the second embodiment. FIG. 2 is a sectional view of a watch display board in an embodiment.
第１図（ａ）に示す様に、銅合金である黄銅よりなる基
板１０の下面に銅よりなる足１１をスポット溶接又はロ
ー付けにより固着する。次に、基板１００表面に下地メ
ツキを施した後、金属膜である金メツキ膜１２の第１層
を１μｍ〜２μｍの厚みで形成させる。また、必要に応
じてメツキ前に基板１０の表面に型打ち、エツチング等
の方法により模様を形成させる。次に、前記金メツキ膜
１２の上に金属膜である黒クロムメツキ膜１６又は黒ロ
ジウム膜の第２層を０２μｍ〜０５μｍの厚みで形成さ
せる。As shown in FIG. 1(a), legs 11 made of copper are fixed to the lower surface of a substrate 10 made of brass, which is a copper alloy, by spot welding or brazing. Next, after base plating is applied to the surface of the substrate 100, a first layer of a gold plating film 12, which is a metal film, is formed with a thickness of 1 μm to 2 μm. Furthermore, if necessary, a pattern is formed on the surface of the substrate 10 by a method such as stamping or etching before plating. Next, a second layer of a black chrome plating film 16 or a black rhodium film, which is a metal film, is formed on the gold plating film 12 to a thickness of 02 μm to 05 μm.
次に、第１図（ｂ）に示す様に、黒クロムメツキ膜１６
の表面をガラスピーズ粒度工ＯＯ番の研磨メデアを用い
、０．８ゆ／ｃｎｌ〜１．０ゆ／ｃｍｌの圧力でホーニ
ング処理を行な５゜この結果、黒クロムメツキ膜１６が
部分的に除去され、金メツキ膜１２と黒クロムメツキ膜
１６とがまだら状１４となり、金色いぶし調の外観を呈
する。Next, as shown in FIG. 1(b), the black chrome plating film 16
Using polishing media of Glass Peas grain size OO, the surface was honed at a pressure of 0.8 Yu/cnl to 1.0 Yu/cml. As a result, the black chrome plating film 16 was partially removed. As a result, the gold plating film 12 and the black chrome plating film 16 become mottled 14, giving a golden oxidized appearance.
次に、第１図（Ｃ）に示す様に、まだら状１４となった
表面に一般に使用されているアクリル系塗料又はポリウ
レタン系塗料よりなる透明塗料をエアースプレー塗装法
により塗装し、１０分間常温乾燥を行なった後、加熱乾
燥を行ない２０μｍ〜５０μｍ厚の透明樹脂膜を形成さ
せる。Next, as shown in Figure 1 (C), a transparent paint made of commonly used acrylic paint or polyurethane paint was applied to the surface with the mottled pattern 14 using an air spray painting method, and then the surface was kept at room temperature for 10 minutes. After drying, heat drying is performed to form a transparent resin film having a thickness of 20 μm to 50 μm.
次に、この透明樹脂膜の表面をラッピング加工により、
平滑で光沢の有る透明樹脂薄膜１５の第３層を形成させ
る。この透明樹脂薄膜１５の厚みは、１０μｍ〜１８μ
ｍとなっている。Next, the surface of this transparent resin film is wrapped.
A third layer of a smooth and glossy transparent resin thin film 15 is formed. The thickness of this transparent resin thin film 15 is 10 μm to 18 μm.
m.
尚、ラッピング加工は、マシンラッピングで湿式法で行
ない、ファイバ、皮等を貼ったラップ盤を用い、このラ
ップ盤上に時計用表示板１６が取付けられたホルダーを
遊星運動させながら、時計用表示板１６の透明樹脂膜を
ラッピングし、透明樹脂薄膜１５を形成させている。The lapping process is carried out by a wet method using a machine, using a lapping machine with fibers, leather, etc. attached, and a holder on which the watch display plate 16 is attached to the lapping machine is moved in a planetary motion. The transparent resin film of the plate 16 is wrapped to form a transparent resin thin film 15.
次に、透明樹脂薄膜１５０表面に切分、メーカー名等を
印刷で入れ、時計用表示板１６が完成する。この完成し
た時計用表示板１６は、透明樹脂薄膜１５の下面に古美
術調の金色いぶしの外観を有し、新しさと古さとが交り
あったまったく新しい感覚のデザインを有している。Next, the cut section, manufacturer's name, etc. are printed on the surface of the transparent resin thin film 150, and the watch display board 16 is completed. This completed watch display board 16 has an antique-like golden oxidized appearance on the lower surface of the transparent resin thin film 15, and has a design with a completely new feel that is a mixture of newness and oldness.
第２図は第２実施例を示し、第１実施例と同様に基板２
０の下面に足２１を固着した後、下地メツキを施す。次
に、この基板２０の表面に青色のアクリル系塗料をエア
ースプレー塗装法により塗装し、乾燥後、５μｍ〜８μ
ｍ厚の青色有機膜２２の第１層が形成される。次に、第
１層の表面に黒色のアクリル系塗料をエアースプレー塗
装法により塗装し、乾燥後、４μｍ〜８μｍ厚の黒色有
機膜２６の第２層を形成させる。次に、星型の貫通穴が
ランダムに多数開いた金属マスクを第２層の上にのせ、
ドライエツチングにより第２層を部分的にエツチングし
、青色有機膜２２と黒色有機膜２６とがまだら状２４と
なり、黒色の中に青色の星が無数ちりばめられた星座板
の様になる。FIG. 2 shows a second embodiment, in which the substrate 2 is
After fixing the legs 21 to the lower surface of 0, base plating is applied. Next, a blue acrylic paint is applied to the surface of this substrate 20 using an air spray coating method, and after drying, the thickness is 5 μm to 8 μm.
A first layer of blue organic film 22 having a thickness of m is formed. Next, a black acrylic paint is applied to the surface of the first layer by an air spray coating method, and after drying, a second layer of a black organic film 26 having a thickness of 4 μm to 8 μm is formed. Next, a metal mask with many random star-shaped through holes is placed on top of the second layer.
The second layer is partially etched by dry etching, and the blue organic film 22 and the black organic film 26 become mottled 24, resembling a constellation plate with countless blue stars interspersed in black.
次に１．第１実施例と同様に、まだら状２４となりた表
面に平滑で光沢の有る透明樹脂薄膜２５の第３層を形成
させる。Next 1. As in the first embodiment, a third layer of a smooth and glossy transparent resin thin film 25 is formed on the mottled surface 24.
次に、透明樹脂薄膜２５０表面に切分、メーカー名等を
印刷で入れ、時計用表示板２６が完成する。この完成し
た時計用表示板２６は、星空のように見え、メルヘン調
のデザインとなっている。Next, the cut section, manufacturer's name, etc. are printed on the surface of the transparent resin thin film 250, and the clock display board 26 is completed. This completed clock display board 26 looks like a starry sky and has a fairy tale-like design.
尚、上記で使用したドライエツチングは反応性スパッタ
リングで、フレオン系ガス中で放電により解離した活性
なイオンを加速して、第２層の黒色有機膜２３の表面に
垂直に衝突させ、黒色有機膜２６の表面の原子を叩き出
すと共に活性なイオンと黒色有機膜２６の表面の原子と
を反応させ気化させる２つのエツチング機構よりなって
いる。The dry etching used above is reactive sputtering, in which active ions dissociated by discharge in a Freon gas are accelerated and collided perpendicularly with the surface of the second layer black organic film 23, thereby forming a black organic film. It consists of two etching mechanisms that eject atoms on the surface of the black organic film 26 and cause active ions to react with atoms on the surface of the black organic film 26 to vaporize them.
次に、第３図は第３実施例を示し、第１実施例と同様に
基板６０の下面に足６１を固着した後、下地メツキを施
す。次に、この基板３０の表面に黒色のアクリル系塗料
をエアースプレー塗装法により塗装し、乾燥後、５μｍ
〜８μｍ厚の黒色有機膜３２の第１層が形成される。次
に、第１層の表面に蒸着、イオンブレーティング等によ
り金属膜である金メツキ膜６６の第２層を０．２μｍ〜
１μｍの厚みで形成させる。Next, FIG. 3 shows a third embodiment, in which the legs 61 are fixed to the lower surface of the substrate 60 in the same way as in the first embodiment, and then base plating is applied. Next, a black acrylic paint was applied to the surface of this substrate 30 using an air spray coating method, and after drying, a 5 μm thick coating was applied.
A first layer of black organic film 32 with a thickness of ˜8 μm is formed. Next, a second layer of gold plating film 66, which is a metal film, is applied to the surface of the first layer to a thickness of 0.2 μm or more by vapor deposition, ion blasting, etc.
It is formed to have a thickness of 1 μm.
次に、金メツキ膜３３０表面にシアン化物をベースにし
たエツチング液を部分的に吹き付け、ケミカルエツチン
グを行なう。この結果、金メツキ膜３６が部分的に除去
され、黒色有機膜６２と金メツキ膜３３とがまだら状３
４となり、金色いぶし調の外観を呈する。Next, a cyanide-based etching solution is partially sprayed onto the surface of the gold plating film 330 to perform chemical etching. As a result, the gold plating film 36 is partially removed, and the black organic film 62 and the gold plating film 33 form a mottled pattern 3.
4 and has a golden oxidized appearance.
次に、第１実施例と同様に、まだら状６４となった表面
に平滑で光沢の有る透明樹脂薄膜３５の第３層を形成さ
せる。Next, as in the first embodiment, a third layer of a smooth and glossy transparent resin thin film 35 is formed on the mottled surface 64.
次に、透明樹脂薄膜３５の表面に切分、メーカー名等を
印刷で入れ、時計用表示板６６が完成する。この完成し
た時計用表示板３６は、第１実施例で得られたものより
、更に古美術調の質感を持った金色いぶしの外観を有し
ている。Next, the section, manufacturer's name, etc. are printed on the surface of the transparent resin thin film 35, and the clock display board 66 is completed. This completed watch display board 36 has a golden oxidized appearance with a more ancient art-like texture than that obtained in the first embodiment.
尚、まだら状にするため第２層の金属膜を部分的に除去
する場合は、パフ研磨、ホーニング、バレル、サンドブ
ラスト、ケミカルエツチング、ドライエツチング等がむ
いており、また、第２層が有機膜の場合、パフ研磨、ホ
ーニング、バＬ／ ル、サンドブラスト、ドライエツチ
ング、有機溶剤エツチング等がむいている。また、第２
層の表面の質感をいろいろ変化させるため、上記の除去
方法をいくつか組合せて行なっても良いことは言う迄も
ない。In addition, when partially removing the second layer metal film to make it mottled, puff polishing, honing, barrel, sandblasting, chemical etching, dry etching, etc. are used. In this case, puff polishing, honing, bubble polishing, sandblasting, dry etching, organic solvent etching, etc. are suitable. Also, the second
It goes without saying that several of the above removal methods may be combined in order to vary the surface texture of the layer.
以上の説明で明らかなように、本発明によれば金属膜又
は有機膜の第１層と、この表面にまだら状になった金属
膜又は有機膜の第２層と、この表面に平滑面を有する透
明樹脂薄膜とよりなっているので、古さと新しさが混在
した変化に富んだ高級感のある時計用表示板が得られる
。また、製造方法においても、従来からある方法で容易
に製造することができるので、歩留り、コスト面等での
問題もなく、多大な効果を有するものである。As is clear from the above description, according to the present invention, a first layer of a metal film or an organic film, a second layer of a metal film or an organic film with a mottled surface, and a smooth surface on the surface. Since it is made of a transparent resin thin film, a display board for a watch with a high-class feel and a rich variety of old and new elements can be obtained. Furthermore, since it can be easily manufactured using conventional methods, there are no problems in terms of yield, cost, etc., and it has great effects.
第１図（ａ）から（Ｃ）は本発明の第１実施例で、時計
用表示板の製造工程を示す断面図、第２図は本発明の第
２実施例で、時計用表示板を示す断面図、第３図は本発
明の第３実施例で、時計用表示板を示す断面図、第４図
は従来例で、時計用表示板を示す断面図である。
１０．２０．３０・・・・・基板、
１１．２１．３１・・・・・足、
１２．３３・・・・・・金メツキ膜、
１６・・・・・・黒クロムメツキ膜、
１４．２４．６４・・・・・まだら状、１５．２５．６
５・・・・・・透明樹脂薄膜、１６．２６．６６・・・
・・・時計用表示板、２２・・・・・・青色有機膜、
２６．６２・・・・・・黒色有機膜。
第
図
（ｂ）
第
図
＼２１Ｌ
第
図
第
図Figures 1 (a) to (C) show a first embodiment of the present invention, which is a cross-sectional view showing the manufacturing process of a watch display board, and Figure 2 shows a second embodiment of the present invention, in which a watch display board is manufactured. FIG. 3 is a sectional view showing a third embodiment of the present invention, and is a sectional view showing a timepiece display board, and FIG. 4 is a sectional view showing a timepiece display board, which is a conventional example. 10.20.30...Substrate, 11.21.31...Legs, 12.33...Gold plating film, 16...Black chrome plating film, 14. 24.64...Mottled, 15.25.6
5...Transparent resin thin film, 16.26.66...
...Watch display board, 22...Blue organic film, 26.62...Black organic film. Figure (b) Figure \21L Figure Figure
Claims (2)
１層の表面にまだら状になった金属膜又は有機膜の第２
層と、該第２層の表面に形成した平滑面を有する透明樹
脂薄膜の第３層とよりなることを特徴とする時計用表示
板。(1) A first layer of a metal film or an organic film on the surface of the substrate, and a second layer of a metal film or an organic film that is mottled on the surface of the first layer.
and a third layer of a transparent resin thin film having a smooth surface formed on the surface of the second layer.
、該第１層の表面に第１層と異なる色調の金属膜又は有
機膜の第２層を形成し、該第２層をバラ研磨、ホーニン
グ、バレル、サンドブラスト、ケミカルエッチング、ド
ライエッチング、有機溶剤エッチングなどの該２層を部
分的に削除する手段で処理し、第１層と第２層とをまだ
ら状にし、更に、前記第２層の表面に塗膜の透明樹脂膜
を形成した後、該透明樹脂膜をラッピングにより平滑面
を有する透明樹脂薄膜の第３層を形成したことを特徴と
する時計用表示板の製造方法。(2) forming a first layer of a metal film or an organic film on the surface of the substrate; forming a second layer of the metal film or organic film having a different color tone from the first layer on the surface of the first layer; The layer is treated with a means for partially removing the two layers, such as polishing, honing, barreling, sandblasting, chemical etching, dry etching, organic solvent etching, etc., to make the first layer and the second layer mottled, and further , a watch display board characterized in that a transparent resin film of a paint film is formed on the surface of the second layer, and then a third layer of a transparent resin thin film having a smooth surface is formed by lapping the transparent resin film. Production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2119875A JP3009704B2 (en) | 1990-05-11 | 1990-05-11 | Method of manufacturing watch display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2119875A JP3009704B2 (en) | 1990-05-11 | 1990-05-11 | Method of manufacturing watch display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0416791A true JPH0416791A (en) | 1992-01-21 |
| JP3009704B2 JP3009704B2 (en) | 2000-02-14 |
Family
ID=14772409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2119875A Expired - Lifetime JP3009704B2 (en) | 1990-05-11 | 1990-05-11 | Method of manufacturing watch display panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3009704B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004191372A (en) * | 2002-11-29 | 2004-07-08 | Citizen Watch Co Ltd | Display plate for clock and its manufacturing method |
-
1990
- 1990-05-11 JP JP2119875A patent/JP3009704B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004191372A (en) * | 2002-11-29 | 2004-07-08 | Citizen Watch Co Ltd | Display plate for clock and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3009704B2 (en) | 2000-02-14 |
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