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    • 2. 发明申请
    • Method for Manufacturing Dental Scaler Tip Using Powder Injection Molding Process, Mold Used Therein and Scaler Tip Manufactured by the Same
    • 使用粉末注射成型工艺制造牙科定型头的方法,使用其中的模具和由其制造的定标器
    • US20080254409A1
    • 2008-10-16
    • US11912797
    • 2006-04-13
    • Chul Jin HwangHyung Pil ParkYoung Bae KoYoung Moo HeoJong Sun Kim
    • Chul Jin HwangHyung Pil ParkYoung Bae KoYoung Moo HeoJong Sun Kim
    • B22F3/04B22D17/22A61C17/18A61C17/20
    • A61C3/03B22F3/225B22F2003/242B22F2998/10B22F3/24
    • The present invention relates to a method for manufacturing a dental scaler tip using a powder injection molding process which can produce the article in large quantities to save the manufacturing cost and forms an eccentric discharge port of a scaler tip to operate the mould using only one core pin, a mould used for the same that is provided with slide cores having the various shapes machined according to the article to enable the uniform article to be manufactured rapidly to enhance a characteristic and design of the article, and a scaler tip manufactured by the same that is more excellent in shape-reliability and injects fluid to a front end thereof along a curved section of the tip section to perform effectively an operation. In order to embody the above structure, the method for manufacturing a dental scaler tip consisting a coupling section mounted to the equipment and having a fluid passage formed therein and a curved shaped tip section extended from the coupling section, through a powder injection molding process, comprises the steps of preparing feedstock for injection by means of mixing raw material powder for the powder injection molding process containing titanium (Ti) or stainless steel with high molecular binder; and injecting the feed stock into a mould to form a molding body, wherein, the mould comprise an operating section to which cylindrical shaped core pins having multi steps and an eccentric end formed at a front end thereof for forming the fluid passage of the scaler tip is mounted; and a pair of slide cores disposed for supporting the eccentric ends of the core pins such that the slide cores face to each other and are slid in the direction perpendicular to the movement direction of the core pins to form a cavity corresponding to a shape of an article to be formed by an injecting process.
    • 本发明涉及一种使用粉末注射成型方法制造牙科切口机尖端的方法,该方法可以大量生产物品以节省制造成本并形成定标器的偏心排出口,以仅使用一个核心来操作模具 销,用于相同的模具,其具有根据制品加工的各种形状的滑动芯,以使得能够快速制造均匀的制品以增强制品的特性和设计,以及由其制造的定标器 在形状可靠性方面更优异,并且沿着尖端部的弯曲部向其前端喷射流体,以有效地执行操作。 为了体现上述结构,通过粉末注射成型工艺制造牙科切割器尖端的方法包括安装在设备上并具有形成在其中的流体通道的连接部分和从联接部分延伸的弯曲形状的尖端部分, 包括通过将含钛(Ti)或不锈钢的粉末注射成型工艺的原料粉末与高分子粘合剂混合来制备注射原料的步骤; 并且将原料注射到模具中以形成成型体,其中,所述模具包括操作部分,所述操作部分具有多个台阶的圆柱形芯销,并且在其前端形成有偏心端,用于形成所述定标器尖端的流体通道 被安装 以及一对滑芯,其设置成用于支撑芯销的偏心端,使得滑动芯相互面对并且沿与芯销的移动方向垂直的方向滑动,以形成对应于 由注射过程形成的物品。
    • 4. 发明申请
    • Method for Manufacturing a Hybrid Microlens
    • 混合微透镜的制造方法
    • US20080316601A1
    • 2008-12-25
    • US11911392
    • 2006-03-06
    • Chul Jin HwangJong Sun KimYoung Bae KoYoung Moo Heo
    • Chul Jin HwangJong Sun KimYoung Bae KoYoung Moo Heo
    • G02B27/12G02B5/02G03F7/20
    • G02B3/0018G02B3/0031G02B3/0043G02B3/005G02B6/0036G02B6/005G02B6/0061G02B6/0065
    • The present invention provides a method for manufacturing hybrid microlenses of a light guiding plate using a semiconductor reflow process, comprising: a first step of aligning a mask on a substrate coated with a photoresist, wherein the mask is formed with a first region through which light can be transmitted and a plurality of second regions through which light cannot be transmitted, and the second regions have different sizes and shapes to form hybrid arrays; a second step of performing slant light exposure and vertical light exposure at least once in such a manner that light radiated from the top to the bottom of the second regions forming the hybrid arrays has an unsymmetrical inclination angle in at least one direction; a third step of developing the slant light-exposed substrate to obtain hybrid photoresist posts with various sizes and shapes; a fourth step of performing a reflow process to allow the hybrid photoresist posts to be curved so that a hybrid microlens pattern can be obtained; a fifth step of fabricating a depressed stamper with the hybrid microlens pattern engraved in a depressed fashion therein; and a sixth step of forming a light guiding plate by using the depressed stamper as a mold so that the hybrid microlens pattern can be formed in a raised pattern in the light guiding plate.
    • 本发明提供一种使用半导体回流工艺制造导光板的混合微透镜的方法,包括:第一步骤,在涂覆有光致抗蚀剂的基底上对准掩模,其中所述掩模形成有第一区域,通过该第一区域,光 可以透射多个不能透射光的第二区域,并且第二区域具有不同的尺寸和形状以形成混合阵列; 以使得形成混合阵列的第二区域的从顶部到底部辐射的光在至少一个方向上具有不对称倾斜角度的方式进行至少一次的倾斜曝光和垂直曝光的第二步骤; 开发倾斜的曝光基板以获得具有各种尺寸和形状的混合光致抗蚀剂柱的第三步骤; 进行回流处理以允许混合光刻胶柱弯曲的第四步骤,从而可以获得混合微透镜图案; 在其中以凹陷的方式制造具有混合微透镜图案的凹陷压模的第五步骤; 以及通过使用凹陷的压模作为模具形成导光板的第六步骤,使得混合微透镜图案可以在导光板中以凸起的图案形成。