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1. 发明专利

JPH06345614A DENTAL FILLING AND RESTORING MATERIAL AND RESIN COMPOSITION FOR DENTURE BASE 失效
公开(公告)号：JPH06345614A
公开(公告)日：1994-12-20
申请号：JP20917693
申请日：1993-08-24
申请人： TOKUYAMA SODA KK
发明人： AIZAWA MASAYUKI , KAWAGUCHI TOSHIO
IPC分类号： A61K6/00 , A61K6/083
摘要： PURPOSE:To obtain a dental hardenable material not only excellent in mechanical strength but also effective in preventing discoloration due to the adsorption of colored components by using an alpha-aminoacetophenone-based photopolymerization initiator as a photopolymerization initiator. CONSTITUTION:The dental filling and restoring material contains (A) 100 pts.wt. polyfunctional acrylate-based monomer, e.g. a mixture of 60 pts.wt. 2,2-bis[4-(3- methacryloxy-2-hydroxypropoxy)phenyl]propane with 40 pts.wt. triethylene glycol dimethacrylate, (B) 100-900 pts.wt. inorganic filler, e.g. a silica-zirconia- based spherical particle and (C) 0.01-10 pts.wt. alpha-aminoacetophenone-based photopolymerization initiator, e.g. 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)- butanone-1. Furthermore, the resin composition for a denture base contains 50-500 pts.wt. organic filler as the component (B). This material is polymerized and cured by irradiation of light having 250-600nm wavelength region. When a higher curing depth is required, an alpha-diketone, especially camphorquinone is preferably used in combination.

2. 发明专利

JPH06342853A PACKAGE FOR SEMICONDUCTOR ELEMENT 失效
公开(公告)号：JPH06342853A
公开(公告)日：1994-12-13
申请号：JP24100293
申请日：1993-09-28
申请人： TOKUYAMA SODA KK
发明人： MIYAHARA KENICHIRO
IPC分类号： H01L23/02 , H01L23/08 , H01L23/12
摘要： PURPOSE:To lessen a self-inductance by a construction wherein electric parts connecting electrically internal and external leads for a power source and grounding of a package for a semiconductor element are formed in the shape of planes and these electric parts for the power source and grounding are disposed with a ceramic layer interposed. CONSTITUTION:A plane-shaped electric part 6 for a power source connecting an external lead 3 and an internal lead 2 for the power source electrically is joined on one surface of a frame-shaped ceramic layer 8, and a plane-shaped electric part 7 for grounding connecting an external lead 5 and an internal lead 4 for grounding electrically is joined on the other surface of the layer. A lead 10 for signals provided on the plane-shaped electric part 7 with a sealing material 9 interposed, the internal lead 2 for the power source and the internal lead 4 for grounding are wire-bonded to a semiconductor element 1 respectively. The characteristic impedance of the lead for signals can be controlled easily by the thickness of the sealing material and, moreover, crosstalk noise of a signal layer can also be prevented effectively.

3. 发明专利

JPH06326043A AMORPHOUS SILICON FILM AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH06326043A
公开(公告)日：1994-11-25
申请号：JP4382794
申请日：1994-03-15
申请人： TOKUYAMA SODA KK
发明人： AZUMA MASANOBU , SHIMIZU ISAMU
IPC分类号： H01L21/205 , H01L31/04
摘要： PURPOSE:To form an amorphous silicon film having excellent light-resistant deterioration characteristics at a fast growth rate by bringing the gaseous raw material of a specific chlorosilane compound and a hydrogen-containing gas excited by electron cyclotron resonance into contact under specific conditions. CONSTITUTION:A plasma forming chamber 2 is supplied with high-purity hydrogen as a plasma forming gas, and ECR plasma is formed. A film forming chamber 1 is supplied with a chlorosilane compound as a gaseous raw material shown in formula SiHxCl4-x (x represents an integer of 0-3) under the state, and gas plasma and a base material 3 heated at 200-500 deg.C are brought into contact, thus precipitating an amorphous silicon film. The atomic ratio (H/Cl) of hydrogen atoms in hydrogen gas fed into a film forming device to chlorine atoms in the chlorosilane compound is set in 0.1-50 at that time. Accordingly, the amorphous silicon film having excellent light-resistant deterioration characteristics and high quality can be formed at fast film precipitation speed.

4. 发明专利

JPH06320260A METHOD AND DEVICE FOR EXECUTING VAPOR PHASE SOLDERING 失效
公开(公告)号：JPH06320260A
公开(公告)日：1994-11-22
申请号：JP11295893
申请日：1993-05-14
申请人： TOKUYAMA SODA KK , TAMURA SEISAKUSHO KK
发明人： OBA SEIICHIRO , ABE NOBUHIDE , KURANARI SHINSAKU , YAMASHITA FUMIHIRO
IPC分类号： B23K1/015 , B23K31/02 , H05K3/34
摘要： PURPOSE:To provide a method and a device for executing vapor phase soldering where the soldering can be surely executed while the amount of use of the flux blended in the solder is remarkably reduced in executing the vapor phase soldering. CONSTITUTION:The unsaturated vapor region of

5. 发明专利

JPH06310893A EMI COUNTER WIRING BOARD 失效
公开(公告)号：JPH06310893A
公开(公告)日：1994-11-04
申请号：JP9596893
申请日：1993-04-22
申请人： TOKUYAMA SODA KK
发明人： KAWAHARA TAKEO
IPC分类号： H05K1/02 , H05K1/09 , H05K3/46 , H05K9/00
摘要： PURPOSE:To increase wiring density and reduce noise, by directly laminating a symbol ink layer on the peripheral part of a conducting part for soldering a wiring pattern on the upper surface of an insulative board or an insulating layer or a conducting layer of conductive copper paste. CONSTITUTION:A conducting layer 2 wherein a pad part 7 for soldering as a soldering conducting part and a wiring pattern containing a through hole part 8 and an earth circuit 6 are formed is arranged on an insulative board 1. An insulating layer 3 is formed so as to cover the conducting layer 2. A conducting layer 4 composed of conductive copper paste which covers the insulating layer 3 is formed, and a part of the layer 14 electrically connects the conducting layer 2 with the earth circuit. A symbol ink layer 5 is laminated on the peripheral parts of the pad 7 for component, and the through hole 8 on the upper surface of the conducting layer 4 or the insulating layer 3 or the insulative board 1. Thereby a solder bridge is not generated at the time of component mount, and noise reduction effect can be effectively exhibited.

6. 发明专利

JPH06300719A METHOD AND APPARATUS FOR MEASURING THERMOELECTRIC CONVERSION CHARACTERISTIC 失效
公开(公告)号：JPH06300719A
公开(公告)日：1994-10-28
申请号：JP8963993
申请日：1993-04-16
申请人： TOKUYAMA SODA KK
发明人： TACHIBANA SHOJI , HIRANO KENICHI
IPC分类号： G01N25/00 , H01L35/28
摘要： PURPOSE:To provide a new measuring method which measures the thermoelectric conversion characteristic of a sample piece precisely and simply and to provide an apparatus which is used for its measurement. CONSTITUTION:A sample stand 5 in which the support face of a sample piece 1 is constituted of a heating support face A composed of a metal body 2 having an insulator layer 17 on the surface and of a non-heated support face B composed of an insulator 3, a plurality of pairs of thermocouples 6, 7 and an electron-flux generating device 4 are provided in a vacuum chamber 11. The thermocouples 6, 7 of one pair are arranged on the heated support face A and the other thermocouples are arranged on the non-heated support face B so as to be capable of being moved respectively up and down. The electron-flux generating device 4 is arranged in a position in which the metal 2 constituting the heated support face A can be irradiated with an electron flux. A voltmeter 12 is connected across the thermocouples on the heated support face and the other thermocouples. The individual thermocouples 6, 7 are connected respectively to voltage-to-temperature converters 13, 14. The measuring apparatus, of a thermoelectric conversion characteristic, which has been constituted so as to be capable of measuring the temperature difference between the thermocouples brought into contact with the sample piece 1 place on the support stand and a potential difference in each point is used, and the potential difference and the temperature difference between two points of a high-temperature part and a low-temperature part of the sample piece 1 are measured.

7. 发明专利

JPH0684243B2 失效
公开(公告)号：JPH0684243B2
公开(公告)日：1994-10-26
申请号：JP11344088
申请日：1988-05-12
申请人： TOKUYAMA SODA KK
发明人： OONO HIDEKI , OKABAYASHI NAMIHIRO , OGAWA YASUHIRO , KUSUMOTO KOJI
IPC分类号： C01B13/14 , C01B33/18 , C01F7/02 , C01G25/00 , C01G51/00

8. 发明专利

JPH06293574A SILICA POROUS BODY DISTRIBUTED WITH MACROPORE AND MICROPORE AND ITS PRODUCTION 失效
公开(公告)号：JPH06293574A
公开(公告)日：1994-10-21
申请号：JP7948093
申请日：1993-04-06
申请人： JAPAN RES DEV CORP , TOKUYAMA SODA KK
发明人： SAKATA KANJI , KUNITAKE TOYOKI
IPC分类号： B01J20/10 , B01J21/08 , C01B33/16 , C03B8/02 , C03B20/00 , C03C1/00 , C04B38/00
摘要： PURPOSE:To obtain a silica porous body having micropores arranged in a high order regularity and macropores of large diameter. CONSTITUTION:A mixture dispersion liquid containing an amphiphilic material and alkoxysilane is freeze dried to obtain a silica porous body having micropores generated from the fine structure of molecular structure of the amphiphilic material and macropores generated from the dispersion state of the amphiphilic material in the solvent. Thereby, the molecular structural body produced by the amphiphilic material in the solvent can be fixed by the three- dimensional reaction of the alkoxy silane so that the obtd. silica porous body has a fine structure of a high-order regularity.

9. 发明专利

JPH06287280A POLY(2-OXETANONE) AND ITS PRODUCTION 失效
公开(公告)号：JPH06287280A
公开(公告)日：1994-10-11
申请号：JP7797793
申请日：1993-04-05
申请人： TOKUYAMA SODA KK
发明人： NISHIDA HARUO , YAMASHITA MITSUHIRO , HATTORI NORIKAZU
IPC分类号： C08G63/08 , C08G63/82 , C08L101/16
摘要： PURPOSE:To provide a high molecular weight poly(2-oxetanone) having a narrow molecular weight distribution and degradable by a microbial action in the natural environment and its production method. CONSTITUTION:There are provided poly(2-oxetanone) having 1.01 to 1.30 polydispersity coefficient and 50000 to 1000000 number-average molecular weight and its production method. This poly(2-oxetarpone) production method is carried out by polymerizing 2-oxetanone in the presence of a polymerization initiator composed of a salt between an onium cation not containing a hydrogen atom as the substituent group, e.g. tetramethylammonium or tetraethylphosphate and a monofunctional carboxylate anion such as acetate anion or propionate anion in a solvent having 18.8 to 20.0MPa solubility parameter, e.g. chloroform or methylene chloride at 0 to 50 deg.C.

10. 发明专利

JPH06279514A PRODUCTION OF PORPHYRIN IMMOBILIZED ON INORGANIC OXIDE 失效
公开(公告)号：JPH06279514A
公开(公告)日：1994-10-04
申请号：JP6847393
申请日：1993-03-26
申请人： TOKUYAMA SODA KK
发明人： OUGISAWA NAOKO , MIZUTANI YUKIO
IPC分类号： C08F4/00
摘要： PURPOSE:To produce the porphyrin desirably used as an anionic polymerization catalyst which can be easily separated and recovered from the formed polymer. CONSTITUTION:The production process comprises reacting a porphyrin having a reactive group, such as 5-mono(phydroxyphenyl)-10,15,20-triphenylporphyrin, with an organo-metallic compound having a group reactive with the reactive group of the porphyrin and a hydrolyzable group, for example, a silane coupling agent or a titanium coupling agent, and hydrolyzing the reaction product.

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