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公开(公告)号：KR100394992B1
公开(公告)日：2003-08-19
申请号：KR1020010017303
申请日：2001-04-02
Applicant: 한국과학기술연구원
IPC: H01F41/02
Abstract: PURPOSE: An NdFeB-family sintered magnet and method for manufacturing the same is provided to increase coercivity of the sintered magnet without decreasing the remanence and maximum energy product. CONSTITUTION: A method for manufacturing NdFeB-family sintered magnet, comprises a first step of preparing NdFeB-family alloy powder having a composition of Nd:29.00 to 33.00 weight percent, Dy:1.00 weight percent or lower, Al:0.30 weight percent or lower and B:0.91 to 1.20 weight percent or lower and Fe as a remaining part; a second step of mixing Ag powder with the NdFeB-family alloy powder, and ball milling the mixture powder; and a third step of compression molding the mixture powder, at the state where a magnetic field is applied, sintering the compression molded mixture powder and performing heat treatment to the resultant structure.
Abstract translation: 目的：提供NdFeB系烧结磁体及其制造方法，以提高烧结磁体的矫顽力而不降低剩磁和最大能量积。 一种制造NdFeB族烧结磁体的方法，包括制备具有Nd：29.00至33.00重量％，Dy：1.00重量％或更低，Al：0.30重量％或更低的NdFeB族合金粉末的第一步骤 和B：0.91至1.20重量％或更低并且Fe作为剩余部分; 将Ag粉末与NdFeB族合金粉末混合并球磨混合物粉末的第二步骤; 以及在施加磁场的状态下压缩成型混合物粉末，烧结压缩成型混合物粉末并对所得结构进行热处理的第三步骤。
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公开(公告)号：KR100352481B1
公开(公告)日：2002-09-11
申请号：KR1020000041847
申请日：2000-07-21
Applicant: 한국과학기술연구원
IPC: H01F41/02
Abstract: 본 발명은 분말야금법에 의해 NdFeB계 소결 자석을 제조할 때 NdFeB계 소결 자석의 잔류 자속 밀도와 최대 자기 에너지적을 감소시키지 않고 NdFeB계 소결 자석의 보자력을 향상시키기 위하여 FeGa
3 화합물을 첨가한 FeGa
3 화합물이 첨가된 NdFeB계 소결 자석 및 그 제조 방법에 관한 것으로, 중량%로, Nd : 29.00∼33.00, Dy : 1.00 이하, Al : 0.30 이하, Cu : 0.05 이하, B : 0.90∼1.20, 잔부는 Fe로 조성되는 NdFeB계 합금 분말을 준비하는 단계와; 상기 NdFeB계 합금에 0.01∼0.80중량%의 FeGa
3 화합물 분말을 혼합하여 미분쇄하는 단계와; 상기 미분쇄 혼합 분말을 자장을 인가한 상태에서 압축 성형하여 소결한 후 열처리하는 단계를 포함하는 보자력증가를 위해 FeGa
3 화합물이 첨가된 NdFeB계 소결 자석 제조 방법이 제공된다.-
公开(公告)号：KR101181274B1
公开(公告)日：2012-09-11
申请号：KR1020090136234
申请日：2009-12-31
Applicant: 한국과학기술연구원
Abstract: 본 발명은 플렉서블 일렉트로닉스에 사용되는 플렉서블 배선 기판 제조 공정 중에서, 플렉서블 기판 위에 형성된 금속층의 두께를 측정하는 방법에 관한 것이며, 금속층에 인장응력 혹은 굽힘응력을 가함으로써 금속층에 주름을 만들고, 이때 발생한 주름의 주기를 광학현미경등으로 현장에서 직접 측정함으로써 얇은 금속층의 두께를 손쉽게 측정할 수 있는 것을 특징으로 한다.
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公开(公告)号：KR1020110041973A
公开(公告)日：2011-04-22
申请号：KR1020100015389
申请日：2010-02-19
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A wig and a coil spring apparatus for attaching the wig are provided to effectively fix an artificial hair net to the hair of a wig wearer using a coil spring. CONSTITUTION: A wig using a shape memory alloy coil spring comprises wig hair, an artificial hair net, and a coil spring(100). The wig hair is attached to the artificial hair net. The coil spring is made of shape memory alloy. The cross section of the coil spring has an elliptic shape. The coil spring has high tensile strength and fixes the artificial hair net.
Abstract translation: 目的：提供一种用于安装假发的假发和螺旋弹簧装置，以使用螺旋弹簧有效地将人造毛发网固定在假发佩戴者的头发上。 构成：使用形状记忆合金螺旋弹簧的假发包括假发，人造发网和螺旋弹簧（100）。 假发贴在人造发网上。 螺旋弹簧由形状记忆合金制成。 螺旋弹簧的横截面为椭圆形。 螺旋弹簧具有高拉伸强度并固定人造毛发网。
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公开(公告)号：KR1020100060718A
公开(公告)日：2010-06-07
申请号：KR1020080119437
申请日：2008-11-28
Applicant: 한국과학기술연구원
CPC classification number: C22C19/03 , B01D53/047 , B01D71/02 , C22C1/02 , C22C30/00 , C22C2200/00 , C22C2200/02 , C22C2202/00 , C23C14/16
Abstract: PURPOSE: A hydrogen-permeable alloy member, a manufacturing method thereof and a hydrogen separating method using the same are provided to reduce the manufacturing cost by employing palladium film coating and to secure stable heat resistance under high temperature. CONSTITUTION: A manufacturing method of a hydrogen-permeable alloy member comprises the steps of preparing for a first, a second, a third, a fourth, and a fifth ingot(S10), melting the first, the second, the third, the, fourth and the fifth ingot into alloy(S20), melt-spinning the alloy to form a hydrogen-permeation alloy body(S30), and coating a palladium film on the hydrogen-permeation alloy body(S40). The first ingot is made of nickel, the second ingot is zirconium, the third ingot niobium or copper, fourth ingot cobalt or silicon, and the fifth ingot tantalum.
Abstract translation: 目的：提供一种氢渗透性合金构件及其制造方法和使用其的氢分离方法，以通过使用钯膜涂布来降低制造成本，并且在高温下确保稳定的耐热性。 构成：可渗透氢合金构件的制造方法包括以下步骤：制备第一，第二，第三，第四和第五锭（S10），熔化第一，第二，第三锭， 第四和第五锭合金（S20），熔融纺丝合金以形成氢渗透合金体（S30），并在氢渗透合金体上涂覆钯膜（S40）。 第一锭由镍制成，第二锭为锆，第三锭为铌或铜，第四锭钴或硅，第五锭为钽。
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Patent Agency Ranking
公开(公告)号：KR1020090083315A
公开(公告)日：2009-08-03
申请号：KR1020090062276
申请日：2009-07-08
Applicant: 한국과학기술연구원
CPC classification number: B21F35/00 , A61C2201/007 , F16F1/04 , F16F2226/00 , Y10T29/49609 , Y10T29/49611 , Y10T29/49613 , Y10T29/49615
Abstract: A method for restoring a coil spring which is permanently transformed and a coil actuator are provided to restore a transformed coil spring by changing the coil winding direction of the coil spring. A method for restoring a coil spring which is permanently transformed comprises following steps. A transformed coil spring is prepared. The coil winding direction of the coil spring is changed into a reverse direction. A reverse coil spring of closed state is obtained by closely attaching a plurality of coils at the same time. The reverse coil spring of the closed state is extended and the coil winding direction is reversely changed. A forward coil spring of initial closed state is obtained by closely attaching a plurality of coils at the same time.
Abstract translation: 用于恢复永久变形的螺旋弹簧的方法和设置有线圈致动器以通过改变螺旋弹簧的线圈卷绕方向来恢复转换的螺旋弹簧。 用于恢复永久变换的螺旋弹簧的方法包括以下步骤。 制备转化的螺旋弹簧。 螺旋弹簧的线圈卷绕方向变为相反方向。 通过同时紧密地连接多个线圈来获得闭合状态的反向螺旋弹簧。 闭合状态的反向螺旋弹簧伸长，线圈卷绕方向反向变化。 通过同时紧密地连接多个线圈来获得初始关闭状态的正向螺旋弹簧。
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公开(公告)号：KR1020080108840A
公开(公告)日：2008-12-16
申请号：KR1020070056906
申请日：2007-06-11
CPC classification number: B32B15/01 , B32B15/20 , B32B37/10 , B32B2255/06 , B32B2255/26 , B32B2311/08 , B32B2311/12 , B32B2311/22 , B32B2311/24
Abstract: A method of manufacturing a metal interlayer having a thickness of not more than 10 microns and excellent oxidation resistance is provided to prevent oxidation of the copper foil when manufacturing a copper foil, and a flexible copper clad laminate is provided to prevent oxidation of the copper foil by coating a plastic or polymer material on the metal interlayer. A method of manufacturing a metal interlayer using clad lamination techniques comprises the processes of: clad laminating a metal interlayer preventing oxidation of the copper plate onto one face of a copper plate, clad laminating other metal plate having a material different from that of the copper plate onto the other face of the copper plate to prepare a metal interlayer/copper plate/other metal plate clad; rolling the metal interlayer/copper plate/other metal plate clad to reduce thickness of the clad; and clad laminating an additional metal plate onto the other metal plate side of the metal interlayer/copper plate/other metal plate clad, and rolling the resulting clad.
Abstract translation: 提供一种制造厚度不大于10微米并具有优异抗氧化性的金属中间层的方法，以防止在制造铜箔时铜箔的氧化，并且提供柔性覆铜层压板以防止铜箔的氧化 通过在金属中间层上涂覆塑料或聚合物材料。 使用包覆层压技术制造金属中间层的方法包括以下工艺：包覆层压金属夹层，防止铜板在铜板的一个表面上氧化，覆盖层压具有不同于铜板的材料的其它金属板 在铜板的另一面上制备金属中间层/铜板/其他金属板包层; 轧制金属夹层/铜板/其他金属板包层以减少包层的厚度; 并在金属中间层/铜板/其他金属板包层的另一金属板侧上包覆层压另一金属板，并轧制所得到的包层。
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公开(公告)号：KR1020060107896A
公开(公告)日：2006-10-16
申请号：KR1020050081931
申请日：2005-09-02
Applicant: 한국과학기술연구원
CPC classification number: C22C38/04 , B23D61/18 , C21D8/005 , C21D2211/008 , C22C38/02 , C22C38/08 , C22C38/38 , C22C38/58 , C22C2202/00
Abstract: 본 발명은 고강도 방진합금 및 이를 이용한 저소음 다이아몬드 톱에 관한 것이다. 다이아몬드 톱의 샹크로 적용하기 위하여 바람직한 합금 종류 및 조성, 가공량 등을 제시하였다. 용접형 다이아몬드 톱의 샹크는 Fe에 14 - 28중량%의 Mn을 첨가하고 이를 2 - 25%의 범위로 냉간압연하여 경도를 상승시켰으며, 그 결과 경도가 규격치(HRC 35) 이상으로 증가하며 저소음 효과가 우수하다. 소결형 다이아몬드 톱의 샹크는 Fe에 10 - 28중량%의 Mn을 첨가하고 열처리를 통하여 강도를 증가시켰으며, 소결 전에 샹크를 20% 이상으로 냉간가공하여 기계적 성능을 더욱 증진시킬 수 있다.
저소음(low noise), 다이아몬드 톱(diamond saw), 방진합금(high damping alloys), 마르텐사이트 변태, 경도, 충격치-
公开(公告)号：KR100517642B1
公开(公告)日：2005-09-29
申请号：KR1020020065563
申请日：2002-10-25
Applicant: 한국과학기술연구원
IPC: H01F1/032
Abstract: 10.6 ~ 13.0 at.%의 Pr과 5.5 ~ 6,5 at.%의 B 및 잔부(balance)는 Fe를 포함하여 구성되는 Pr-Fe-B계 자성분말 조성물이 제공된다. 이 조성물은 6 ~ 35 at.%의 Co, 0.5 ~ 1.0 at.%의 Ga, 0.05 ~ 0.2 at.%의 Zr 및/또는 0.1 ~ 0.5 at.%의 Dy를 추가적으로 포함할 수 있다. Pr-Fe-B계 자성분말은 상기 조성물로 이루어지는 Pr-Fe-B계 합금을 780 ~ 880 ℃의 온도에서, 30 ~ 150 분 동안, 수소 분위기하에 열처리하여 수소분해시키고, 수소분해된 물질들을 800 ~ 880 ℃의 온도에서, 30 ~ 150 분 동안 반응시켜 재결합시켜 제조한다.
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公开(公告)号：KR100379247B1
公开(公告)日：2003-04-08
申请号：KR1020000052688
申请日：2000-09-06
Applicant: 한국과학기술연구원
IPC: H01F1/053
Abstract: PURPOSE: A method for preparing a rare earth permanent magnet is provided to enhance the magnetic characteristics of a magnet by grinding the raw material powder of a rare earth permanent magnet with a wet method and then coating the surface of the powder to prevent the surface oxidation of the powder. CONSTITUTION: First, raw material powder is obtained by melting and grinding rare earth permanent magnet alloy with desired composition ratio. Then, mixture slurry is obtained by mixing the alloy powder with organic solvent and then grinding the powder. Next, the surface of the alloy powder is coated by adding at least one of oil and organic to the slurry. Then, dried powder is obtained by drying the mixture slurry. Next, a rare earth permanent magnet is formed by sintering the dried powder.
Abstract translation: 目的：提供一种制备稀土永磁体的方法，通过用湿法研磨稀土永磁体的原料粉末然后涂覆粉末表面以防止表面氧化来提高磁体的磁特性 的粉末。 组成：首先，通过熔化和研磨具有所需组成比的稀土永磁合金获得原料粉末。 然后，通过将合金粉末与有机溶剂混合然后研磨粉末来获得混合物浆料。 接下来，通过将至少一种油和有机物添加到浆料中来涂覆合金粉末的表面。 然后，通过干燥混合物浆获得干燥粉末。 接下来，通过烧结干燥的粉末形成稀土永磁体。
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