公开(公告)号：US5733580A

公开(公告)日：1998-03-31

申请号：US608035

申请日：1996-02-28

Applicant: Ken Ikuma ,  Masaaki Sakata ,  Koji Akioka ,  Tatsuya Smimoda

Inventor： Ken Ikuma ,  Masaaki Sakata ,  Koji Akioka ,  Tatsuya Smimoda

IPC: B29C47/20 ,  H01F41/02

CPC classification number: H01F41/0273 ,  B29C47/20 ,  B29C47/0016 ,  B29C47/0019 ,  B29C47/0023 ,  Y10S264/58 ,  Y10S425/033

Abstract: A die for extrusion molding a resin bonding magnet. In the production of the magnet, a molten mixture of a magnetic powder and a resin are introduced into a cavity between an outer die and a mandril to which a magnetic field is applied. A steep temperature gradient along the die axis direction of the molten mixture and the cavity is achieved by making the outer die of a multiple layer structure along the die axis direction, utilizing two or more axially adjacent blocks or sheets made of the same or different materials whereby fluidity of the molten mixture is sufficiently high at the inlet of the cavity to enable the magnetic powder in the molten mixture to be sufficiently orientated in the direction of the magnetic field and then the molten mixture is cooled to a solidified state so that the orientation of the magnetic powder is not disturbed, thereby producing a magnetic having high magnetic properties.

Abstract translation: 用于挤出成型树脂粘合磁体的模具。 在制造磁体时，将磁性粉末和树脂的熔融混合物引入到外部管芯和施加有磁场的心轴之间的空腔中。 通过使用由相同或不同材料制成的两个或更多个轴向相邻的块或片，通过沿着模具轴线方向制造多层结构的外模具来实现沿着熔融混合物和模腔的模具轴线方向的陡峭的温度梯度 由此在空腔的入口处熔融混合物的流动性足够高，使得熔融混合物中的磁粉能够在磁场方向上被充分取向，然后将熔融混合物冷却至凝固状态，使得取向 的磁粉不会受到干扰，从而产生具有高磁性的磁性。

公开(公告)号：US07927399B2

公开(公告)日：2011-04-19

申请号：US11903534

申请日：2007-09-21

Applicant: Masaaki Sakata ,  Junichi Hayashi

Inventor： Masaaki Sakata ,  Junichi Hayashi

IPC: B22F1/00

CPC classification number: B22F1/0059 ,  B22F3/1007 ,  B22F2998/00 ,  B22F2998/10 ,  B22F3/20 ,  B22F3/225 ,  B22F3/1021

Abstract: A composition for forming a green body is provided. The composition for forming the green body contains powder constituted of a metallic material and a binder containing a first resin which is decomposable by ozone and a second resin which is also decomposable by ozone but decomposed later than the first resin. The green body formed of the composition is used in producing a brown body, wherein the brown body is produced by first exposing the green body to a high ozone content atmosphere to decompose the first resin and remove the decomposed first resin and then decompose the second resin and remove the decomposed second resin, and then at least once exposing the thus obtained green body to a low ozone content atmosphere whose ozone concentration is lower than an ozone concentration of the high ozone content atmosphere. By using the composition mentioned above, it is possible to produce the green body and the brown body from which a metal sintered body having a reduced metal oxide amount and improved properties (dimensional accuracy) can be produced safely, easily and cost-effectively. Such a brown body and a metal sintered body are also provided.

Abstract translation: 提供了一种用于形成生坯体的组合物。 用于形成生坯的组合物含有由金属材料和含有能够被臭氧分解的第一树脂的粘合剂构成的粉末，以及也可以被臭氧分解但比第一树脂分解的第二树脂。 由该组合物形成的生坯用于制造棕色体，其中通过首先将生坯暴露于高臭氧含量气氛以分解第一树脂并除去分解的第一树脂，然后分解第二树脂， 并除去分解的第二树脂，然后至少一次将如此获得的生坯暴露于臭氧浓度低于高臭氧含量气氛的臭氧浓度的低臭氧含量气氛中。 通过使用上述组合物，可以生产安全，容易且成本有效地生产具有还原的金属氧化物量和改进的性能（尺寸精度）的金属烧结体的生坯体和棕色体。 还提供了这样的棕色体和金属烧结体。

公开(公告)号：US20080075622A1

公开(公告)日：2008-03-27

申请号：US11903534

申请日：2007-09-21

Applicant: Masaaki Sakata ,  Junichi Hayashi

Inventor： Masaaki Sakata ,  Junichi Hayashi

IPC: B22F3/00

CPC classification number: B22F1/0059 ,  B22F3/1007 ,  B22F2998/00 ,  B22F2998/10 ,  B22F3/20 ,  B22F3/225 ,  B22F3/1021

Abstract: A composition for forming a green body is provided. The composition for forming the green body contains powder constituted of a metallic material and a binder containing a first resin which is decomposable by ozone and a second resin which is also decomposable by ozone but decomposed later than the first resin. The green body formed of the composition is used in producing a brown body, wherein the brown body is produced by first exposing the green body to a high ozone content atmosphere to decompose the first resin and remove the decomposed first resin and then decompose the second resin and remove the decomposed second resin, and then at least once exposing the thus obtained green body to a low ozone content atmosphere whose ozone concentration is lower than an ozone concentration of the high ozone content atmosphere. By using the composition mentioned above, it is possible to produce the green body and the brown body from which a metal sintered body having a reduced metal oxide amount and improved properties (dimensional accuracy) can be produced safely, easily and cost-effectively. Such a brown body and a metal sintered body are also provided.

Abstract translation: 提供了一种用于形成生坯体的组合物。 用于形成生坯的组合物含有由金属材料和含有能够被臭氧分解的第一树脂的粘合剂构成的粉末，以及也可以被臭氧分解但比第一树脂分解的第二树脂。 由该组合物形成的生坯用于制造棕色体，其中通过首先将生坯暴露于高臭氧含量气氛以分解第一树脂并除去分解的第一树脂，然后分解第二树脂， 并除去分解的第二树脂，然后至少一次将如此获得的生坯暴露于臭氧浓度低于高臭氧含量气氛的臭氧浓度的低臭氧含量气氛中。 通过使用上述组合物，可以生产安全，容易且成本有效地生产具有还原的金属氧化物量和改进的性能（尺寸精度）的金属烧结体的生坯体和棕色体。 还提供了这样的棕色体和金属烧结体。

公开(公告)号：US06482352B1

公开(公告)日：2002-11-19

申请号：US09868976

申请日：2001-10-12

Applicant: Masaaki Sakata ,  Junichi Hayashi

Inventor： Masaaki Sakata ,  Junichi Hayashi

IPC: B22F312

CPC classification number: B22F3/227 ,  A44C27/00 ,  B22F3/22 ,  B22F5/10 ,  B22F2998/00 ,  B22F2998/10 ,  B22F9/082 ,  A44C5/00 ,  B22F5/003 ,  B22F3/1021

Abstract: A method of the present invention manufactures a watch-bracelet component through step (1A) of producing a green body containing a raw material powder by extrusion molding, step (2A) of cutting the green body, step (3A) of debinding the cut green body, and step (4A) of sintering the debound body to yield a sintered body. Subsequently, the method can easily manufacture even a product having a complicated shape, and the invention can provide a method of manufacturing a watch-bracelet component with a wide range of materials to choose from.

Abstract translation: 本发明的方法通过步骤（1A）通过步骤（1A）制造含有原料粉末的生坯的挤压成型手表部件，其中，切割生坯的工序（2A） 本体和步骤（4A）烧结所述脱模体以产生烧结体。 随后，该方法可以容易地制造具有复杂形状的产品，并且本发明可以提供一种制造具有多种材料可供选择的手表手镯组件的方法。

公开(公告)号：US07811512B2

公开(公告)日：2010-10-12

申请号：US11903535

申请日：2007-09-21

Applicant: Masaaki Sakata ,  Junichi Hayashi

Inventor： Masaaki Sakata ,  Junichi Hayashi

IPC: B22F3/12

CPC classification number: B22F3/1025 ,  B22F2998/00 ,  B22F3/003

Abstract: A method for producing a sintered body is provided. The method for producing the sintered body comprising: forming a green body by molding a composition for forming a green body into a specified shape to obtain the green body, the composition comprising powder constituted of a metallic material and a binder containing a first resin which is decomposable by ozone; first debinding the green body by exposing the green body to a high ozone content atmosphere to decompose the first resin and remove the decomposed first resin form the green body to obtain a brown body; exposing the thus obtained brown body at least once to a low ozone content atmosphere whose ozone concentration is lower than an ozone concentration of the high ozone content atmosphere to obtain an intermediate brown body; and sintering the intermediate brown body which has been exposed to the low ozone content atmosphere to obtain the sintered body. By using the composition mentioned above, it is possible to safely, easily and cost-effectively produce a metal sintered body having a reduced metal oxide amount and improved properties (dimensional accuracy). Such a sintered body is also provided.

Abstract translation: 提供一种烧结体的制造方法。 烧结体的制造方法，其特征在于，包括：通过将形成生坯的组合物成形为特定形状以形成生坯，所述组合物包含由金属材料构成的粉末和含有第一树脂的粘合剂，所述第一树脂为 臭氧可分解; 首先通过将生坯体暴露于高臭氧含量气氛来分解生坯，以分解第一树脂并从生坯中除去分解的第一树脂以获得棕色体; 将由此获得的褐色体至少一次暴露于臭氧浓度低于高臭氧含量气氛的臭氧浓度的低臭氧含量气氛中，得到中间体的棕色体; 烧结已经暴露于低臭氧含量气氛的中间棕色体，得到烧结体。 通过使用上述组合物，可以安全，容易且成本有效地制造具有降低的金属氧化物量和改进的性能（尺寸精度）的金属烧结体。 还提供了这种烧结体。

公开(公告)号：US08420006B2

公开(公告)日：2013-04-16

申请号：US12397516

申请日：2009-03-04

Applicant: Masaaki Sakata ,  Junichi Hayashi ,  Hideki Ishigami

Inventor： Masaaki Sakata ,  Junichi Hayashi ,  Hideki Ishigami

IPC: B28B1/24 ,  C04B33/32 ,  A61C13/20

CPC classification number: C04B35/63432 ,  A61C7/00 ,  A61C7/14 ,  B28B1/24 ,  B28B7/10 ,  C04B35/115 ,  C04B35/632 ,  C04B35/63408 ,  C04B35/63416 ,  C04B35/638 ,  C04B2235/3206 ,  C04B2235/322 ,  C04B2235/5445 ,  C04B2235/6022 ,  C04B2235/658 ,  C04B2235/6582 ,  C04B2235/77 ,  C04B2235/9638 ,  Y02P40/63

Abstract: A method of manufacturing a translucent ceramic is provided. The method comprises: mixing a raw powder and an organic binder and kneading them to obtain a compound, the raw powder containing an aluminum oxide powder and a magnesium oxide powder, and the organic binder containing a first organic component and a second organic component; molding the compound in a predetermined shape by an injection molding method to obtain a green body; debinding the organic binder contained in the green body to obtain a brown body; and sintering the brown body to obtain a sintered body of the translucent ceramic. When the softening point of the first organic component is defined as “T1” (° C.) and the softening point of the second organic component is defined as “T2” (° C.), the kneading step is carried out at a temperature in the range of T2 or higher but lower than T1 after the raw powder and the organic binder are preheated at a temperature in the range of T1 to T1+100(° C.). An orthodontic member is also provided.

Abstract translation: 提供一种制造半透明陶瓷的方法。 该方法包括：将原料粉末和有机粘合剂混合并捏合以获得化合物，含有氧化铝粉末和氧化镁粉末的原料粉末和含有第一有机组分和第二有机组分的有机粘合剂; 通过注射成型法将化合物成型为预定形状以获得生坯; 脱泡生坯中含有的有机粘合剂以获得棕色体; 并烧结棕色体以获得半透明陶瓷的烧结体。 当第一有机组分的软化点定义为T1（℃），将第二有机组分的软化点定义为T2（℃）时，捏合步骤在 T2或更高但低于T1，然后在T1至T1 + 100（℃）范围内的温度下预热原料粉末和有机粘合剂。 还提供了一个正畸的成员。

公开(公告)号：US06428595B1

公开(公告)日：2002-08-06

申请号：US09554694

申请日：2000-05-17

Applicant: Junichi Hayashi ,  Masaaki Sakata

Inventor： Junichi Hayashi ,  Masaaki Sakata

IPC: B22B312

CPC classification number: B22F3/225 ,  B22F3/22 ,  B22F2998/00 ,  B22F2998/10 ,  C22C1/0433 ,  B22F5/08 ,  C22C33/0285 ,  B22F3/1021 ,  B22F3/10

Abstract: A metal sintered part; the subject of this invention is produced by the following example processes in order to offer the metal sintered part, which has a high degree of hardness and a superior wear resistance, and, in order to offer the uncomplicated production method. Process 1A: To produce a green body, which is manufactured from a metal powder and a binding material, by the metal injection molding (MIM) method. Process 2A: To conduct the de-binding treatment to the green body. Process 3A: To sinter the de-binding body and obtain the metal sintered part. The metal powder for the production is a self-fluxing alloy, such as a nickel based self-fluxing alloy. The surface Vickers hardness Hv of this product is more than value 500.

Abstract translation: 金属烧结部; 本发明的主题是通过以下示例性方法制造的，以提供具有高硬度和优异的耐磨性的金属烧结部分，以提供不复杂的生产方法。工艺1A：生产 通过金属注射成型（MIM）方法由金属粉末和粘结材料制成的生坯体。工序2A：对生坯进行脱粘合处理。工序3A：烧结去结合 并获得金属烧结部分。用于生产的金属粉末是自熔合金，例如镍基自熔合金。 该产品的表面维氏硬度Hv超过500。

公开(公告)号：US06350407B1

公开(公告)日：2002-02-26

申请号：US09446524

申请日：1999-12-28

Applicant: Masaaki Sakata ,  Kenichi Shimodaira

Inventor： Masaaki Sakata ,  Kenichi Shimodaira

IPC: B22F312

CPC classification number: B22F3/225 ,  B22F3/16 ,  B22F3/22 ,  B22F2998/00 ,  B22F2998/10 ,  B22F3/04 ,  B22F3/1021 ,  B22F3/02 ,  B22F9/082

Abstract: A method of manufacturing a sintered compact is disclosed herein. The method comprises the steps of: (1A) producing a green body containing metal powder, for example, by means of metal injection molding (MIM); (2A) compacting the green body by pressing it preferably by means of an isostatic pressing (2A); (3A) debinding the compacted green body; and (4A) sintering the debinded green body to obtain a sintered compact. The green body compacting step may be carried out during or after the debinding step or during the debinding step. Further, a step for performing machine working on the green body may be included.

Abstract translation: 本文公开了烧结体的制造方法。 该方法包括以下步骤：（1A）例如通过金属注射成型（MIM）制造含有金属粉末的生坯; （2A）优选通过等静压（2A）压制生坯体; （3A）剥去压实的生坯; 和（4A）烧结未剥离的生坯以获得烧结体。 生坯体压实步骤可以在脱脂步骤期间或之后或在脱脂步骤期间进行。 此外，可以包括用于在生坯上执行机器加工的步骤。

公开(公告)号：US5464670A

公开(公告)日：1995-11-07

申请号：US188733

申请日：1994-01-31

Applicant: Takeshi Ikuma ,  Masaaki Sakata ,  Hiroharu Akioka ,  Tatsuya Shimod

Inventor： Takeshi Ikuma ,  Masaaki Sakata ,  Hiroharu Akioka ,  Tatsuya Shimod

IPC: H01F41/02 ,  B32B1/08

CPC classification number: H01F41/0273 ,  Y10S428/90 ,  Y10T428/1355 ,  Y10T428/139

Abstract: A resin bonded magnet including a rare earth magnetic powder and an organic resin moulded into a single body having a cylindrical form. The resin bonded magnet satisfies the condition:2 DL/d.sup.2 .gtoreq.1.56where D is the outer diameter of the magnet, d is the inner diameter, and L is the magnet's length. The rare earth magnetic powder has a coercivity between 7 kOe and 12 kOe. The magnetic powder has an average particle size, r, satisfying:1 .mu.m.ltoreq.r.ltoreq.0.1 t(t.ltoreq.1 mm)where t is the thickness of the moulded article.

Abstract translation: 一种树脂粘结磁体，包括稀土磁性粉末和模制成具有圆柱形的单体的有机树脂。 树脂粘结磁体满足条件：2 DL / d2> / = 1.56其中D是磁体的外径，d是内径，L是磁体的长度。 稀土磁粉的矫顽力在7kOe与12kOe之间。 磁性粉末的平均粒径r满足：1μmm / r = 0.1t（t≤1mm）其中t是模制品的厚度。

公开(公告)号：US06436550B2

公开(公告)日：2002-08-20

申请号：US08918758

申请日：1997-08-25

Applicant: Masaaki Sakata ,  Shoji Takahashi ,  Kenichi Shimodaira

Inventor： Masaaki Sakata ,  Shoji Takahashi ,  Kenichi Shimodaira

IPC: B32B1516

CPC classification number: C22C1/045 ,  H01L23/3736 ,  H01L23/4334 ,  H01L24/45 ,  H01L24/48 ,  H01L2224/45144 ,  H01L2224/48247 ,  H01L2224/73265 ,  H01L2924/01019 ,  H01L2924/01046 ,  H01L2924/01078 ,  H01L2924/01079 ,  H01L2924/12042 ,  H01L2924/1532 ,  H01L2924/181 ,  Y10T428/12014 ,  Y10T428/12063 ,  Y10T428/12833 ,  Y10T428/1284 ,  Y10T428/12896 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00012

Abstract: A highly reliable sintered compact which can be readily and safely produced, and a method for producing such sintered compact are provided. The sintered compact is preferably formed into a heat sink 1 which comprises a heat sink main body 2. The heat sink main body 2 comprises a substrate 3, a plurality of projections 4 integrally formed with the substrate 3 on its heat dissipation surface, and a molded frame 5 integrally formed with the substrate 3 to surround the projections 4. On each corner of the substrate 3 is formed a circular molded hole 6. The opposite surface of the substrate 3 is formed into a contacting surface which is adapted to be in contact with the heat generating semiconductor chip, and this contacting surface is surface treated, for example, by plating. The sintered compact is produced from metal powders, and it comprises at least one metal selected from tungsten and molybdenum and 2 to 50% by weight of silver. The sintered compact further comprises not more than 10% by weight of a transition metal.

Abstract translation: 提供了可以容易且安全地制造的高可靠性烧结体，以及这种烧结体的制造方法。 烧结体优选形成为散热器1，散热器1包括散热器主体2.散热器主体2包括基板3，在其散热面与基板3一体形成的多个突起4，以及 与基板3一体形成的模制框架5围绕突起4.在基板3的每个角上形成圆形模制孔6.基板3的相对表面形成为适于接触的接触表面 与该发热半导体芯片接触，该接触面例如通过电镀进行表面处理。 该烧结体由金属粉末制成，并且包含至少一种选自钨和钼的金属和2至50重量％的银。 烧结体还包含不超过10重量％的过渡金属。