JPH0142902B2 - - Google Patents
Info
- Publication number
- JPH0142902B2 JPH0142902B2 JP56025646A JP2564681A JPH0142902B2 JP H0142902 B2 JPH0142902 B2 JP H0142902B2 JP 56025646 A JP56025646 A JP 56025646A JP 2564681 A JP2564681 A JP 2564681A JP H0142902 B2 JPH0142902 B2 JP H0142902B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- metal oxide
- substrate
- weight
- film
- 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
Links
- 229910044991 metal oxide Inorganic materials 0.000 claims description 33
- 150000004706 metal oxides Chemical class 0.000 claims description 33
- 229920005989 resin Polymers 0.000 claims description 20
- 239000011347 resin Substances 0.000 claims description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 8
- 229920005992 thermoplastic resin Polymers 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 229920001187 thermosetting polymer Polymers 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229920000120 polyethyl acrylate Polymers 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920002050 silicone resin Polymers 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 2
- 229910001887 tin oxide Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000011651 chromium Substances 0.000 description 4
- 239000005357 flat glass Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000011260 aqueous acid Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- XEHUIDSUOAGHBW-UHFFFAOYSA-N chromium;pentane-2,4-dione Chemical compound [Cr].CC(=O)CC(C)=O.CC(=O)CC(C)=O.CC(=O)CC(C)=O XEHUIDSUOAGHBW-UHFFFAOYSA-N 0.000 description 1
- FJDJVBXSSLDNJB-LNTINUHCSA-N cobalt;(z)-4-hydroxypent-3-en-2-one Chemical compound [Co].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O FJDJVBXSSLDNJB-LNTINUHCSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- LZKLAOYSENRNKR-LNTINUHCSA-N iron;(z)-4-oxoniumylidenepent-2-en-2-olate Chemical compound [Fe].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O LZKLAOYSENRNKR-LNTINUHCSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/355—Temporary coating
Landscapes
- Surface Treatment Of Glass (AREA)
- Detergent Compositions (AREA)
Description
本発明は基板に被覆された金属酸化物被膜の除
去方法に関する。
古くより、ガラスに電導性、色彩性、装飾性、
鏡面効果等を付与する目的でガラス表面に金属酸
化物被膜を被覆することが広く行なわれてきた。
このような金属酸化物被膜としては電導性を目
的としたSn、In、Znなどの酸化物膜、色彩性、
装飾性、鏡面効果等を目的とするものとして、
Co、Sn、Cu、Fe、Ti、Cr、Ni、Mn、Al、Zn、
Ｖ、Mo、Ｗなどの酸化物膜をあげることができ
る。
これらの金属酸化物被膜は、In2O3膜の如きは
真空蒸着法、あるいはスパツタリング法により製
造され、またその他の多くの金属酸化物被膜は高
温に加熱されたガラス表面に目的とする金属を含
む有機塩の溶液又は蒸気を吹付け、ガラス表面で
有機金属塩を熱分解する熱分解法により製造され
ている。
このように基板表面に被覆された金属酸化物被
膜はその使用目的によつて、該被膜の一部を除去
して使用される。
従来、In2O3又はSnO2よりなる被膜の除去方法
として金属微粉末と酸を用いる化学還元法や、還
元性のある電解質溶液を用いる電解還元法、電弧
を用いる還元法が用いられているが、これらの方
法はCo、Cu、Fe、Ti、Crなどの酸化物被膜を完
全に除去するのが困難であつた。
本発明は従来の金属酸化物被膜を除去する方法
に比して簡単な操作で、しかも基板に強固に付着
した金属酸化物被膜を完全に除去できる方法を提
供する。すなわち本発明はFe、Cr、Co、Ti、
Cu、Ni及びMnの酸化物から選ばれた１種若しく
は２種以上の金属酸化物、又は該金属酸化物に20
重量％以下の酸化錫を含有する金属酸化物からな
る基板に付着した金属酸化物被膜の所望箇所に予
め酸に耐える合成樹脂シートをポリビニルアルコ
ール及びポリアクリル酸エチルのいずれかの熱可
塑性樹脂、又はフエノール樹脂、レゾルシノール
樹脂、エポキシ樹脂、シリコーン樹脂及びゴム系
樹脂のいずれかの熱硬化性樹脂を接着剤として被
覆し、しかる後に80℃以上に保有した硫酸の４重
量％以上の水溶液で処理することにより、該基板
から該熱可塑性樹脂又は該熱硬化性樹脂で被覆さ
れていない該金属酸化物被膜を除去する方法であ
る。
本発明において硫酸が用いられる。
また、本発明において用いられる酸の水溶液、
又は混合液は金属酸化物被膜を除去に要する時間
からして濃度が25乃至50重量％、温度100℃乃至
140℃の範囲で使用されるのが好ましい。
本発明は基板に付着した金属酸化物被膜の所望
箇所に予め酸に耐える合成樹脂シートをポリビニ
ルアルコール及びポリアクリル酸エチルのいずれ
かの熱可塑性樹脂、又はフエノール樹脂、レゾル
シノール樹脂、エポキシ樹脂、シリコーン樹脂及
びゴム系樹脂のいずれかの熱硬化性樹脂を接着剤
として被覆し、しかる後に酸の水溶液、又は酸の
混合溶液で処理することにより、該基板から該熱
可塑性樹脂又は該熱硬化性樹脂で被覆されていな
い金属酸化物被膜を除去することができる。
この場合酸に耐える合成樹脂シートとして10μ
乃至１mm厚の塩化ビニール樹脂、ポリカーボネー
ト樹脂、アクリルニトリル樹脂、カプトン樹脂、
又はポリ四弗化エチレン樹脂シートが好んで用い
られる。また金属酸化物被膜の部分的な除去の
後、有機性被膜を除去することを考えれば、接着
剤として、ポリビニルアルコール又はポリアクリ
ル酸エチルのいずれかの熱可塑性樹脂を用いるの
が好ましい。
本発明によれば簡単な操作で、しかも基板に強
固に付着した金属酸化物被膜の所望箇所を容易に
除去できるので、所定形状の金属酸化物被膜を付
着した基板を容易に得ることができる。
以下、本発明の具体的な実施例について述べ
る。580℃に加熱された板ガラス表面に鉄アセチ
ルアセトネートクロムアセチルアセトネート及び
コバルトアセチルアセトネートを有機溶媒に溶か
した混合溶液を吹き付け重量比でFe2O3が20％、
Cr2O3が30％、Co2O3が50％よりなる金属酸化物
被膜を付着した板ガラスを製造した。
この金属酸化物被膜付着板ガラスを予じめ所定
温度に加熱した各種酸に浸漬した時の被膜の除去
に要する時間を第１表に示した。
第１表によれば、金属酸化物被膜の除去には硫
酸が有効であることがわかる。次に前記金属酸化
物被膜付着板ガラスを98％硫酸に浸漬した時の、
被膜の除去に要する時間を第１図に示した。第１
表から酸溶液の温度を80℃以上にすることにより
被膜除去効果があらわれることが理解できる。
The present invention relates to a method for removing a metal oxide film coated on a substrate. Since ancient times, glass has been valued for its electrical conductivity, color, and decorative properties.
It has been widely used to coat glass surfaces with metal oxide films for the purpose of imparting mirror effects and the like. Such metal oxide films include oxide films of Sn, In, Zn, etc. for electrical conductivity, color properties,
For decorative purposes, mirror effects, etc.
Co, Sn, Cu, Fe, Ti, Cr, Ni, Mn, Al, Zn,
Examples include oxide films of V, Mo, W, and the like. These metal oxide films, such as the In 2 O 3 film, are produced by vacuum evaporation or sputtering, and many other metal oxide films are produced by depositing the desired metal on a glass surface heated to high temperature. It is manufactured by a pyrolysis method in which a solution or vapor containing an organic salt is sprayed and the organic metal salt is thermally decomposed on the glass surface. The metal oxide film coated on the surface of the substrate in this manner is used by removing a portion of the film depending on the intended use. Conventionally, the methods used to remove coatings made of In 2 O 3 or SnO 2 include a chemical reduction method using fine metal powder and acid, an electrolytic reduction method using a reducing electrolyte solution, and a reduction method using an electric arc. However, these methods have difficulty in completely removing oxide films such as Co, Cu, Fe, Ti, and Cr. The present invention provides a method that is simpler than conventional methods for removing metal oxide films and can completely remove metal oxide films that are firmly adhered to substrates. That is, the present invention uses Fe, Cr, Co, Ti,
One or more metal oxides selected from oxides of Cu, Ni and Mn, or 20%
A synthetic resin sheet that is resistant to acids is placed in advance on the desired location of the metal oxide film attached to the substrate made of metal oxide containing tin oxide in an amount of not more than % by weight, using thermoplastic resin such as polyvinyl alcohol or polyethyl acrylate, or Coating with a thermosetting resin such as phenolic resin, resorcinol resin, epoxy resin, silicone resin, or rubber resin as an adhesive, and then treating with an aqueous solution of 4% by weight or more of sulfuric acid kept at 80°C or higher. This is a method of removing the metal oxide film that is not covered with the thermoplastic resin or the thermosetting resin from the substrate. Sulfuric acid is used in the present invention. Furthermore, the aqueous acid solution used in the present invention,
Or, the mixed solution has a concentration of 25 to 50% by weight considering the time required to remove the metal oxide film, and a temperature of 100℃ to 100℃.
Preferably, it is used within a temperature range of 140°C. In the present invention, a synthetic resin sheet that is resistant to acids is preliminarily applied to desired parts of a metal oxide film attached to a substrate using a thermoplastic resin such as polyvinyl alcohol or polyethyl acrylate, or a phenolic resin, a resorcinol resin, an epoxy resin, or a silicone resin. The substrate is coated with a thermosetting resin such as a thermoplastic resin or a rubber resin as an adhesive, and then treated with an aqueous acid solution or a mixed acid solution, thereby removing the thermoplastic resin or the thermosetting resin from the substrate. Uncovered metal oxide coatings can be removed. In this case, the acid-resistant synthetic resin sheet is 10μ.
or 1mm thick vinyl chloride resin, polycarbonate resin, acrylonitrile resin, kapton resin,
Alternatively, a polytetrafluoroethylene resin sheet is preferably used. Further, considering that the organic film is removed after partial removal of the metal oxide film, it is preferable to use a thermoplastic resin such as polyvinyl alcohol or polyethyl acrylate as the adhesive. According to the present invention, a desired portion of a metal oxide coating firmly adhered to a substrate can be easily removed with a simple operation, and a substrate having a metal oxide coating of a predetermined shape can be easily obtained. Hereinafter, specific examples of the present invention will be described. A mixed solution of iron acetylacetonate, chromium acetylacetonate, and cobalt acetylacetonate dissolved in an organic solvent was sprayed onto the surface of a plate glass heated to 580°C, containing 20% Fe 2 O 3 by weight.
A plate glass was produced to which a metal oxide coating consisting of 30% Cr 2 O 3 and 50% Co 2 O 3 was deposited. Table 1 shows the time required to remove the metal oxide coating when the plate glass with the metal oxide coating was immersed in various acids preheated to a predetermined temperature. According to Table 1, it can be seen that sulfuric acid is effective for removing metal oxide films. Next, when the metal oxide coated glass plate was immersed in 98% sulfuric acid,
Figure 1 shows the time required to remove the coating. 1st
From the table, it can be seen that the film removal effect appears when the temperature of the acid solution is 80°C or higher.
【表】
更に前記金属酸化物被膜付着基板ガラスを種々
の濃度の硫酸に浸漬した時の被膜の除去に要する
時間を第２表に示した。第２表から酸濃度を重量
比で少なくとも４％以上にすることにより被膜除
去効果があらわれることが理解できる。[Table] Furthermore, Table 2 shows the time required to remove the film when the glass substrate to which the metal oxide film was attached was immersed in sulfuric acid of various concentrations. It can be seen from Table 2 that the film removal effect appears by increasing the acid concentration to at least 4% by weight.
【表】【table】
【表】
また更に前記金属酸化物被膜付着板ガラスの所
望箇所に予め塩化ビニール樹脂シートを各種接着
剤を介して被覆し、しかる後に140℃の温度に保
持した、98重量％の硫酸液に浸漬した時のマスク
効果を第３表に示した。第３表によればポリビニ
ルアルコール、ポリアクリル酸エチル、フエノー
ル樹脂、レゾシノール樹脂、エポキシ樹脂、シリ
コン樹脂、ゴム系樹脂にマスク効果があり、他の
樹脂は酸液中で接着力を失い、マスク効果を示さ
なかつた。[Table] Furthermore, a vinyl chloride resin sheet was coated in advance on the desired portions of the metal oxide coated plate glass via various adhesives, and then immersed in a 98% by weight sulfuric acid solution maintained at a temperature of 140°C. Table 3 shows the mask effect at the time. According to Table 3, polyvinyl alcohol, polyethyl acrylate, phenolic resin, resorcinol resin, epoxy resin, silicone resin, and rubber-based resin have a masking effect, while other resins lose their adhesive strength in acid solution and have a masking effect. did not show.
【表】【table】
【表】
また更に98重量％の硫酸に各種金属酸化物被膜
付着板ガラスを浸漬した時の、被膜除去に要する
時間を第４表に示した。第４表からSnO2を含有
する被膜の場合はその含有割合が20％以下の金属
酸化物被膜及びその他の金属酸化物被膜は除去可
能なことが明らかである。[Table] Furthermore, Table 4 shows the time required to remove the coating when glass plates coated with various metal oxide coatings were immersed in 98% by weight sulfuric acid. It is clear from Table 4 that in the case of a film containing SnO 2 , metal oxide films with a SnO 2 content of 20% or less and other metal oxide films can be removed.
【表】【table】
【表】【table】
第１図は被膜除去溶液の温度と被膜除去時間の
関係を示す図である。
FIG. 1 is a diagram showing the relationship between the temperature of the film removal solution and the film removal time.
Claims (1)
から選ばれた１種若しくは２種以上の金属酸化
物、又は該金属酸化物に20重量％以下の酸化錫を
含有する金属酸化物からなる基板に付着した金属
酸化物被膜の所望箇所に予め酸に耐える合成樹脂
シートをポリビニルアルコール及びポリアクリル
酸エチルのいずれかの熱可塑性樹脂、又はフエノ
ール樹脂、レゾルシノール樹脂、エポキシ樹脂、
シリコーン樹脂及びゴム系樹脂のいずれかの熱硬
化性樹脂を接着剤として被覆し、しかる後に80℃
以上に保有した硫酸の４重量％以上の水溶液で処
理することにより、該基板から該熱可塑性樹脂又
は該熱硬化性樹脂で被覆されていない該金属酸化
物被膜を除去する方法。1 One or more metal oxides selected from oxides of Fe, Cr, Co, Ti, Cu, Ni, and Mn, or a metal oxide containing 20% by weight or less of tin oxide in the metal oxide A synthetic resin sheet that is resistant to acids is placed in advance on the desired location of the metal oxide film attached to the substrate made of material, using thermoplastic resin such as polyvinyl alcohol or polyethyl acrylate, or phenol resin, resorcinol resin, epoxy resin, etc.
Coat with thermosetting resin such as silicone resin or rubber resin as adhesive, and then heat to 80°C.
A method of removing the metal oxide film not covered with the thermoplastic resin or the thermosetting resin from the substrate by treating with an aqueous solution containing 4% by weight or more of sulfuric acid as described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2564681A JPS57140339A (en) | 1981-02-24 | 1981-02-24 | Removing method for metallic oxide film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2564681A JPS57140339A (en) | 1981-02-24 | 1981-02-24 | Removing method for metallic oxide film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57140339A JPS57140339A (en) | 1982-08-30 |
| JPH0142902B2 true JPH0142902B2 (en) | 1989-09-18 |
Family
ID=12171586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2564681A Granted JPS57140339A (en) | 1981-02-24 | 1981-02-24 | Removing method for metallic oxide film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57140339A (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5720791A (en) * | 1994-08-03 | 1998-02-24 | Minolta Co., Ltd. | Method of producing an optical lens element |
| JP3456804B2 (en) * | 1995-07-31 | 2003-10-14 | 旭電化工業株式会社 | Method and apparatus for manufacturing oxide etching products |
| US6406639B2 (en) | 1996-11-26 | 2002-06-18 | Nippon Sheet Glass Co., Ltd. | Method of partially forming oxide layer on glass substrate |
| EP0955276A4 (en) | 1996-11-26 | 2001-05-09 | Nippon Sheet Glass Co Ltd | Method for partly forming oxide layer |
| EP1322567B1 (en) * | 2000-09-11 | 2008-11-12 | Cardinal CG Company | Temporary protective covers |
| US6921579B2 (en) | 2000-09-11 | 2005-07-26 | Cardinal Cg Company | Temporary protective covers |
| US6902813B2 (en) | 2001-09-11 | 2005-06-07 | Cardinal Cg Company | Hydrophilic surfaces carrying temporary protective covers |
| EP1773729B1 (en) | 2004-07-12 | 2007-11-07 | Cardinal CG Company | Low-maintenance coatings |
| US20080011599A1 (en) | 2006-07-12 | 2008-01-17 | Brabender Dennis M | Sputtering apparatus including novel target mounting and/or control |
| EP3387163B1 (en) | 2015-12-11 | 2020-04-29 | Cardinal CG Company | Method of coating both sides of a substrate |
| US10604442B2 (en) | 2016-11-17 | 2020-03-31 | Cardinal Cg Company | Static-dissipative coating technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5129528A (en) * | 1974-06-11 | 1976-03-12 | Choo Komori | FUNMATSUSENISOSENINO SEIZOHO |
| JPS5310617A (en) * | 1976-06-15 | 1978-01-31 | Nippon Sheet Glass Co Ltd | Production of semireflective glass by applying hybrid molecules for covering |
| JPS556586A (en) * | 1978-06-19 | 1980-01-18 | Akzo Nv | Spinning die for producing multifilament yarn having matrix * filament structure |
| JPS5521970A (en) * | 1978-08-05 | 1980-02-16 | Hiroshi Takahashi | Golf practice base |
| JPS5580482A (en) * | 1978-12-11 | 1980-06-17 | Seiko Epson Corp | Manufacturing of electrochromic material |
-
1981
- 1981-02-24 JP JP2564681A patent/JPS57140339A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5129528A (en) * | 1974-06-11 | 1976-03-12 | Choo Komori | FUNMATSUSENISOSENINO SEIZOHO |
| JPS5310617A (en) * | 1976-06-15 | 1978-01-31 | Nippon Sheet Glass Co Ltd | Production of semireflective glass by applying hybrid molecules for covering |
| JPS556586A (en) * | 1978-06-19 | 1980-01-18 | Akzo Nv | Spinning die for producing multifilament yarn having matrix * filament structure |
| JPS5521970A (en) * | 1978-08-05 | 1980-02-16 | Hiroshi Takahashi | Golf practice base |
| JPS5580482A (en) * | 1978-12-11 | 1980-06-17 | Seiko Epson Corp | Manufacturing of electrochromic material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57140339A (en) | 1982-08-30 |
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