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公开(公告)号：KR1020110067617A
公开(公告)日：2011-06-22
申请号：KR1020090124278
申请日：2009-12-14
Applicant: 한국조폐공사
Abstract: PURPOSE: A screen printing board using etching and a method for manufacturing the same are provided to form regular pattern and to improve durability. CONSTITUTION: A method for manufacturing a screen printing board using etching comprises: a step of forming a first photoresist layer(20) on a substrate(10); a step of forming a first pattern having an etching part and non-etching part on the first photoresist layer; a step of supplying an etching solution on to the surface of the substrate for form a first hole; a step of forming a second photoresist layer(21) on the substrate; a step of forming a second pattern having the etching part and non-etching part on the second photoresist layer; and a step of supplying an etching solution to the substrate.
Abstract translation: 目的：提供使用蚀刻的丝网印刷板及其制造方法以形成规则图案并提高耐久性。 构成：使用蚀刻制造丝网印刷板的方法包括：在基板（10）上形成第一光致抗蚀剂层（20）的步骤; 在第一光致抗蚀剂层上形成具有蚀刻部分和非蚀刻部分的第一图案的步骤; 将蚀刻溶液供给到所述基板的表面以形成第一孔的步骤; 在所述基板上形成第二光致抗蚀剂层（21）的步骤; 在第二光致抗蚀剂层上形成具有蚀刻部分和非蚀刻部分的第二图案的步骤; 以及向基板供给蚀刻溶液的步骤。
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公开(公告)号：KR1020110067616A
公开(公告)日：2011-06-22
申请号：KR1020090124277
申请日：2009-12-14
Applicant: 한국조폐공사
Abstract: PURPOSE: A double layer screen printing board using a mold and a method for manufacturing the same are provided to improve durability of the printing board. CONSTITUTION: A method for manufacturing a double layer screen print board using a mold comprises: a step of preparing a mold(10) having regular patterns inside; a step of forming a first photoresist layer(20) on the upper portion; a step of forming a first pattern on the first photoresist layer to have a plating part(21) on the upper side of an electric conductor and a non-plating part(22) at the part except for the upper side of the electric conductor; a step of forming a first plating layer(30) on the plating part of the first photoresist layer; a step of depositing or coating entire upper side of the first photoresist layer; a step of forming a second photoresist layer(50) on the deposited or coated side; and a step of forming a second plating layer(60).
Abstract translation: 目的：提供使用模具的双层丝网印刷板及其制造方法，以提高印刷基板的耐久性。 构成：使用模具制造双层丝网印刷板的方法包括：制备其中具有规则图案的模具（10）的步骤; 在上部形成第一光致抗蚀剂层（20）的步骤; 在第一光致抗蚀剂层上形成第一图案以在电导体的上侧具有电镀部分（21）的步骤和除了电导体的上侧之外的部分处的非电镀部分（22）; 在所述第一光致抗蚀剂层的电镀部上形成第一镀层（30）的工序; 沉积或涂覆第一光致抗蚀剂层整个上侧的步骤; 在沉积或涂覆的一侧上形成第二光致抗蚀剂层（50）的步骤; 以及形成第二镀层（60）的工序。
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Patent Agency Ranking
公开(公告)号：KR1020040037734A
公开(公告)日：2004-05-07
申请号：KR1020020066344
申请日：2002-10-30
Applicant: 한국조폐공사 , 주식회사 풍산홀딩스
IPC: C22C9/04
Abstract: PURPOSE: A copper alloy for coin is provided which has the same electrical properties as cupro-nickel consisted of four elements including copper, zinc, nickel and iron, obtains superior discoloring resistance and substitutes for cupro-nickel that satisfies white color. CONSTITUTION: The copper alloy composition for coin comprises 16 to 25 wt.% of Zn, 12 to 18 wt.% of Ni, 1 to 2 wt.% of Fe and a balance of Cu and inevitable impurities, wherein the copper alloy composition has an electrical conductivity of 5 to 6.5% IACS (international annealed copper standard) and is whitish, wherein the copper alloy composition comprises 0.1 to 0.3 wt.% of Cr, wherein the copper alloy composition has an electrical conductivity of 5.3 to 6.3% IACS, and wherein the copper alloy composition has a composition of brightness, color saturation and shade corresponding to white color.
Abstract translation: 目的：提供一种用于硬币的铜合金，具有与铜，锌，镍和铁四种元素组成的铜镍相同的电性能，获得优异的耐变色性，并替代满足白色的铜镍。 构成：用于硬币的铜合金组合物包含16至25重量％的Zn，12至18重量％的Ni，1至2重量％的Fe和余量的Cu和不可避免的杂质，其中铜合金组合物具有 导电率为5〜6.5％IACS（国际退火铜标准），发白，其中铜合金组成为0.1〜0.3重量％的Cr，其中铜合金组成物的电导率为5.3〜6.3％IACS， 并且其中所述铜合金组合物具有对应于白色的亮度，色饱和度和阴影的组成。
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公开(公告)号：KR1020030058346A
公开(公告)日：2003-07-07
申请号：KR1020010088762
申请日：2001-12-31
Applicant: 한국조폐공사
IPC: C09D11/50 , C09D11/10 , C09D11/037
CPC classification number: C09D11/50 , A44C21/00 , C09D11/033 , C09D11/037 , C09D11/10
Abstract: PURPOSE: An ink composition having excellent optically variable effect, printability and adhesion to metal is provided to obtain a metal coining product of high quality. A method for manufacturing an optically variable colored coin is also provided. CONSTITUTION: The ink composition for an optically variable colored coin is characterized by comprising 5.0 to 15.0 wt% of a translucent optically variable pigment having an organic silicone polymer structure comprising a liquid crystal cholesteric phase, 85.0 to 90.0 wt% of a varnish, 0.1 to 1.0 wt% of Aerosil R-812, 1.0 to 2.0 wt% of an ethyl carbitol solvent. 0.1 to 0.3 wt% of an anti-static agent and 0.1 to 0.3 wt% of a non-ionic surfactant.
Abstract translation: 目的：提供具有优异的光学变化效果，可印刷性和与金属的粘附性的油墨组合物，以获得高质量的金属压印产品。 还提供了一种用于制造光学可变色的硬币的方法。 构成：用于光学变色的硬币的油墨组合物的特征在于，包含5.0至15.0重量％的具有包含液晶胆甾醇相的有机硅氧烷聚合物结构的半透明光学颜料，85.0至90.0重量％的清漆，0.1至 1.0重量％的Aerosil R-812，1.0-2.0重量％的乙基卡必醇溶剂。 0.1〜0.3重量％的抗静电剂和0.1〜0.3重量％的非离子表面活性剂。
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公开(公告)号：KR100173102B1
公开(公告)日：1999-02-18
申请号：KR1019960040356
申请日：1996-09-17
Applicant: 한국조폐공사
IPC: A44C21/00
Abstract: 본 발명은 분말형태로 되어 있는 금속을 사용하여 문양을 성형시키고 방향제 등의 용액을 주입하여 기능을 부여한 주화의 제조방법을 제공하기 위한 것으로, 측면금형과 문양이 조각된 하부금형으로 구성된 내부공간에 분말형태의 금속을 채워 넣고 문양이 새겨진 상부극인으로 압사하여 1차 문양을 성형시킨 후, 소결하여 충분한 강도를 가지도록 하며, 나아가 소결된 주화의 기공에 상술한 바와 같은 방향제 등을 주입시키되, 소결될 분말금속(4)에 아크릴수지 분말 또는 왁스를 혼합한 후 소결시키므로서 주화 내부의 기공을 확대시켜 방향제 등의 주입량을 증가시킬 수 있는 주화의 제조방법을 제공하기 위한 것임.
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公开(公告)号：KR1019950010814A
公开(公告)日：1995-05-15
申请号：KR1019930022237
申请日：1993-10-25
Applicant: 한국조폐공사
Abstract: 본 발명은 귀금속 소재외 주화테두리에 톱니(Mill) 모양과 음각문자가 함께 있는 귀금속주화 및 그 제조방법에 관한 것으로, 귀금속 주화에의 각인은 소재 자체의 전연성이 큼으로 인해 압인후에 각인하는 방법을 사용하고 있는 바 이는 각인시 문자경계면(가장자리)이 돌출되어 품위가 저하되고 테두리에 톱니모양(Mill)이 형성되어 있는 경우 문자와 톱니 모양이 동시에 손상되며, 압인후의 각인은 푸루프주화의 경우 완성단계에서의 분량을 가져옴으로 생산성 저하 및 원가 상승의요인이되는 결점이 있었던 바, 본 발명은 소전을 제조하는 엣징공어시에 엣징공정후의 축소량을 0.1mm 내지 0.25mm로 제한하고, 귀금속의 전연성에 맞게 각인금형의 문자심도를 0.35mm 내지 0.50mm의 범위률 한정하며 상기 각인 금형으로의 문자각인시 각인 축소량을 0.1mm내지 0.25mm 함으로써 소전의 문자심도가 0.15mm 내지 0.25mm가 되도록 하였으며, 문자가 각인된 소전의 표리면을 압인 할때에는 테두리금형의 톱니모양(Mill)심도를 0.05mm내지 0.1mm로 함으로써 최종압인후 문자심도가 0.1mm 내지 0.2mm인 귀금속 각인 주화를 제조함을 특징으로 하는 것임.
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公开(公告)号：KR1019940009118B1
公开(公告)日：1994-10-01
申请号：KR1019920011697
申请日：1992-07-01
Applicant: 한국조폐공사
IPC: A44C21/00
Abstract: The combined coin is constructed of two different raw materials in combination to make forgery difficult and give a good appearance. The central portion is joined with the peripheral portion, each portion being made of respective material different from each other. The joint faces are irregularly formed to form strong joining between the two portions by pressing.
Abstract translation: 组合硬币组合使用两种不同的原材料，使伪造难度大，外观美观。 中心部分与周边部分连接，每个部分由彼此不同的各自的材料制成。 接合面不规则地形成，以通过按压在两部分之间形成牢固的接合。
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