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61. 发明专利

JPH0425838B2 失效
公开(公告)号：JPH0425838B2
公开(公告)日：1992-05-01
申请号：JP12653287
申请日：1987-05-23
申请人： MATSUSHITA ELECTRIC WORKS LTD
发明人： NAWA MASAHIRO
IPC分类号： B26B19/00

62. 发明专利

JPH03257708A MANUFACTURE OF GLASS-CERAMIC SUBSTRATE 失效
公开(公告)号：JPH03257708A
公开(公告)日：1991-11-18
申请号：JP5476490
申请日：1990-03-05
申请人： MATSUSHITA ELECTRIC WORKS LTD
发明人： MAKIO KEIZOU , ISHIHARA MASAYUKI , NAWA MASAHIRO
IPC分类号： C03B19/06 , H01B3/02 , H05K1/03
摘要： PURPOSE:To manufacture a glass-ceramics substrate at a preferable yield rate by impregnating an antistatic agent into slurry including glass powder. CONSTITUTION:An organic binder material, a plasticizer, a solvent and an antistatic agent are added into glass powder, followed by sufficient kneading in a ball mill, thereby obtaining slurry including glass powder. As the antistatic agent, a polyvinyl chloride derivative, a polystylene derivative, an ionic surfactant and the like are used. Namely, the antistatic agent contained in the slurry including glass powder can restrain generation of static electricity at the time of carrier film peeling, thus preventing any adhesion of foreign matters such as waste. Therefore, any generation of pores and stains in the resultant substrate can be restrained, to thereby improve a yield rate.

63. 发明专利

JPH02225338A CALCINED BODY OF GLASS CERAMICS 失效
公开(公告)号：JPH02225338A
公开(公告)日：1990-09-07
申请号：JP4411289
申请日：1989-02-23
申请人： MATSUSHITA ELECTRIC WORKS LTD
发明人： NAWA MASAHIRO , ISHIHARA MASAYUKI , MAKIO KEIZOU
IPC分类号： C03C10/08 , C03C10/00 , C03C14/00
摘要： PURPOSE:To provide the subject calcined body, excellent in strength, etc., and suitable for multilayered wiring boards, etc., by adding powder having a higher strength than that of glass composition powder capable of converting main crystals into alpha-cordierite after calcining to the above-mentioned glass composition powder and calcining the resultant mixed powder. CONSTITUTION:Glass composition powder capable of converting main crystals in the crystal structure into alpha-cordierite after calcining is prepared. Powder having a composition of 48-63wt.% SiO2, 10-25wt.% Al2O3, 10-25wt.% MgO and 4-10wt.% B2O3 is cited as preferred specific example of the glass composition powder. Powder (e.g. aluminum nitride or alumina) having a higher strength than that of the above-mentioned glass composition powder is then added to the aforementioned glass composition powder. The resultant mixed powder is subsequently calcined to produce a calcined body of glass ceramics in which the main crystals in the crystal structure are the alpha-cordierite. The obtained calcined body has a low permittivity, a thermal expansion coefficient close to that of silicon and a high strength.

64. 发明专利

JPH02164741A PRODUCTION OF GLASS CERAMICS 失效
公开(公告)号：JPH02164741A
公开(公告)日：1990-06-25
申请号：JP31797988
申请日：1988-12-15
申请人： MATSUSHITA ELECTRIC WORKS LTD
发明人： MAKIO KEIZOU , ISHIHARA MASAYUKI , NAWA MASAHIRO
IPC分类号： C03C10/08 , C03C10/00
摘要： PURPOSE:To allow crystal deposition to proceed rapidly and to finish a calcining stage in a short time as well as to obtain a dense sintered body by adopting specified steps in the calcining stage when crystallized glass is molded and sintered to produce glass ceramics. CONSTITUTION:Crystallized glass powder is mixed with an org. binder and molded and this molded body is calcined. By this calcining, the org. binder in the molded body is removed and the glass powder is sintered to produce glass ceramics. In the calcining stage, the molded body is heated to the sintering temp. at such a high heating rate that crystals do not deposit after the end of removal of the org. binder and the heated molded body is immediately cooled to the nucleus formation temp. in the 1st step. A sintered body obtd. in the 1st step is heated to the crystal deposition temp. and held at the temp. in the 2nd step.

65. 发明专利

JPS632761B2 失效
公开(公告)号：JPS632761B2
公开(公告)日：1988-01-20
申请号：JP14648981
申请日：1981-09-14
申请人： MATSUSHITA ELECTRIC WORKS LTD
发明人： NAWA MASAHIRO , HIRATA KAZUHIKO
IPC分类号： B27D1/08 , B27H1/00

66. 发明专利

JPS62128973A METHOD OF BURNING CERAMIC SUBSTRATE 失效
公开(公告)号：JPS62128973A
公开(公告)日：1987-06-11
申请号：JP26580785
申请日：1985-11-25
申请人： MATSUSHITA ELECTRIC WORKS LTD
发明人： HASHIMOTO NOBORU , NAWA MASAHIRO
IPC分类号： C04B35/64

67. 发明专利

JPS62124908A METHOD OF GRANULATING CERAMICS POWDER 失效
公开(公告)号：JPS62124908A
公开(公告)日：1987-06-06
申请号：JP26580685
申请日：1985-11-25
申请人： MATSUSHITA ELECTRIC WORKS LTD
发明人： NAWA MASAHIRO
IPC分类号： B28B13/02 , B01J2/18

68. 发明专利

JPS618712B2 JPS618712B2 - 失效
公开(公告)号：JPS618712B2
公开(公告)日：1986-03-17
申请号：JP12580279
申请日：1979-09-28
申请人： Matsushita Electric Works Ltd
发明人： NAWA MASAHIRO
IPC分类号： B26B19/10 , B26B19/28

69. 发明专利

JPS6153168A Manufacture of thin plate ring-shape sintered body 失效
标题翻译：薄板环形烧结体的制造
公开(公告)号：JPS6153168A
公开(公告)日：1986-03-17
申请号：JP17395584
申请日：1984-08-20
申请人： Matsushita Electric Works Ltd
发明人： SAKAI ATSUSHI , NAWA MASAHIRO , HIROSE KENJI
IPC分类号： C04B35/64

70. 发明专利

JPS60224201A MANUFACTURE OF RARE EARTH COBALT MAGNET 失效
公开(公告)号：JPS60224201A
公开(公告)日：1985-11-08
申请号：JP8039584
申请日：1984-04-20
申请人： MATSUSHITA ELECTRIC WORKS LTD
发明人： NAWA MASAHIRO , TAWARA RIYOUICHI
IPC分类号： C22C1/04 , H01F1/055 , H01F1/08
摘要： PURPOSE:To provide a rare earth cobalt magnet having excellent characteristics such as a high orientation rate, by forming the rare earth cobalt magnet in which small particles consisting of single magnetic domain structures are buried in gaps among a group of large particles consisting of multiple magnetic domain structures. CONSTITUTION:In a general type of a resin-bonded magnet manufactured by a method in which, after the intermetallic compound R2TM17 provided by compounding two moles of a rare earth metal (R) such as samarium and 17 moles of a transition metal (TM) mainly containing cobalt is formed into small particles, resin, etc. serving as a binder is added thereto and compression-molded in magnetic field to orient the particles, a magnet in which large particles are arranged irregularly is constituted. In such a magnet, the saturated magnetization 4piIs can be increased if the rise of a filling rate of the particles can be attained while the residual magnetic flux density Br can be increased as the rise of the particle orientation rate, improving the magnetic characteristics. In order to attain the improvement, small particles consisting single magnetic domain structures may be buried in gaps among large particles.

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