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11. 发明专利

JPS60216317A HEAT-RESISTING OPTICAL FIBER UNIT 失效
公开(公告)号：JPS60216317A
公开(公告)日：1985-10-29
申请号：JP7133184
申请日：1984-04-10
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SHIRASAKA ARIO , FUSE KENICHI , KUMAZAWA KINYA
IPC分类号： H01B7/29 , G02B6/44
摘要： PURPOSE:To obtain sufficient heat resistance to the repetition of high temperatures or a momentary abnormally high temperature by storing plural optical fibers with a protection coating loosely in a heat-resisting pipe, and providing a protection layer of fiber-reinforced thermosetting plastic around the pipe. CONSTITUTION:Plural optical fibers 2 with a protective coating are stored in the heat-resisting pipe 10 so that a gap 11 is left in it, and the protection layer 5 made of fiber-reinforced thermosetting plastic is arranged outside of the pipe. The plural optical fibers 2 are bundles and the buffer protection layer 3 is formed of silicone rubber or fluororubber in one body to obtain a coated bundle 4 which has a nearly circular section. The pipe 10 is formed by impregnating a paper tape, etc., with thermosetting plastic and then setting the plastic. The gap of the bundle 4 and pipe 10 is so determined that D>=1.04d, where (d) is the external diameter of the bundle 4 and D is the internal diameter of the pipe 10. Consequently, even when this unit is exposed repeatedly at high temperatures in windless summertime or a momentary abnormally high temperature of about 400 deg.C due to, for example, a thunderbolt, there is no cracking generated in the protection layer 5 and this unit is usable for OPGW (optical composite overhead earth-wire), etc.

12. 发明专利

JPH02122532A TAPE CARRIER 失效
公开(公告)号：JPH02122532A
公开(公告)日：1990-05-10
申请号：JP27435988
申请日：1988-11-01
申请人： FURUKAWA ELECTRIC CO LTD
发明人： KUMAZAWA KINYA , SEKI OSAMU
IPC分类号： H01L21/60
摘要： PURPOSE:To assure fine patterning for an inner lead section and improve the mechanical and bonding strengths of an outer lead section by making thin the conductor thickness of the inner lead section and thick the conductor thickness of the outer lead section. CONSTITUTION:There is formed a conductor circuit on a base film 1 such that an outer lead section traverse across an outer lead hole 7 with an inner lead section 3 located inwardly and with the outer lead section 4 located outwardly of the base film. Such a conductor circuit has its thickness of about 10mum at the inner lead section and of about 35mum at the outer lead section, the thickness being varied at a portion where it is supported by the base film 1. Therefore, the inner lead section enjoys easy formation of a fine pattern thereon by etching, and the outer lead section assures satisfactory mechanical strength and bonding property.

13. 发明专利

JPH01111397A FLEXIBLE PRINTED CIRCUIT BOARD 失效
公开(公告)号：JPH01111397A
公开(公告)日：1989-04-28
申请号：JP26832687
申请日：1987-10-26
申请人： FURUKAWA ELECTRIC CO LTD
发明人： KUMAZAWA KINYA , KOMATSU MASAYA , YAMANAKA NOBUMITSU , SEKI OSAMU
IPC分类号： H05K1/03 , B32B15/08 , B32B15/082
摘要： PURPOSE:To obtain an excellent high-frequency characteristic by a method wherein a plasma polymerization film of a fluorine-based resin whose thickness is prescribed is formed on a fluorine-based resin board. CONSTITUTION:A plasma polymerization film 2 of a fluorine-based resin with a thickness of 10-200Angstrom is formed on a fluorine-based resin board 1; a conductor layer 3 is formed on this film directly or via a substratum layer 4. The fluorine- based resin substrate which has been treated in advance with a plasma may be used; if the board is treated with the plasma, close contact performance between the fluorine-based resin board and the plasma polymerization film is enhanced further. By this setup, an excellent high-frequency characteristic is obtained; a close contact force between the conductor layer 3 and the board 1 can be enhanced.

14. 发明专利

JPS648264A PRODUCTION OF METAL-COATED PLASTIC FILM 失效
公开(公告)号：JPS648264A
公开(公告)日：1989-01-12
申请号：JP16156287
申请日：1987-06-29
申请人： FURUKAWA ELECTRIC CO LTD
发明人： NOJIRI AKIO , KUMAZAWA KINYA , KOMATSU MASAYA
IPC分类号： C23C14/20 , C23C14/02
摘要： PURPOSE:To obtain the title plastic film to which metal particles are tightly adhered by depositing the metal particles passed through the plasma of an oxygen-contg. inert gas on a plastic film treated with low-temp. plasma, and further depositing the metal particles passed through the plasma of a high-purity inert gas. CONSTITUTION:A plastic film is treated with low-temp. plasma by using oxygen, and traveled while being isolated from the atmosphere. The particles of a metal such as copper are passed through the plasma of the inert gas such as Ar, Xe, and He contg. 0.01-10% oxygen, and deposited in =150 deg.C thermosoftening temp. are used as the plastic film. The energy of the metal particle to be used is controlled to >=1eV. By this method, a metal-coated plastic film having excellent adhesion can be obtained.

15. 发明专利

JPS6393191A MANUFACTURE OF FLEXIBLE PRINTED CIRCUIT SUBSTRATE 失效
公开(公告)号：JPS6393191A
公开(公告)日：1988-04-23
申请号：JP23883786
申请日：1986-10-07
申请人： FURUKAWA ELECTRIC CO LTD
发明人： HORIGUCHI MASAO , KUMAZAWA KINYA , KOMATSU MASAYA
IPC分类号： C23C14/02 , C23C14/20 , H05K1/03 , H05K3/14 , H05K3/38

16. 发明专利

JPS62102590A FLEXIBLE PRINTED CIRCUIT SUBSTRATE 失效
公开(公告)号：JPS62102590A
公开(公告)日：1987-05-13
申请号：JP24254985
申请日：1985-10-29
申请人： FURUKAWA ELECTRIC CO LTD
发明人： KUMAZAWA KINYA , HORIGUCHI MASAO , NOJIRI AKIO
IPC分类号： H05K3/16 , H05K1/09 , H05K3/24

17. 发明专利

JPS61227308A MANFUACTURE OF TAPE WIRE 失效
公开(公告)号：JPS61227308A
公开(公告)日：1986-10-09
申请号：JP6661585
申请日：1985-04-01
申请人： FURUKAWA ELECTRIC CO LTD
发明人： HORIGUCHI MASAO , KUMAZAWA KINYA , NOJIRI AKIO
IPC分类号： H01B7/08 , H01B13/00

18. 发明专利

JPS6051809A FIRE-PROOF OPTICAL FIBER 失效
公开(公告)号：JPS6051809A
公开(公告)日：1985-03-23
申请号：JP16004683
申请日：1983-08-31
申请人： FURUKAWA ELECTRIC CO LTD
发明人： KATSUYAMA YOSHIHISA , KOKAYU MIKIO , KUMAZAWA KINYA , FUSE KENICHI
IPC分类号： G02B6/44
摘要： PURPOSE:To obtain a fire-proof optical cable which has superior fire-proof characteristics and is handled easily by storing an optical fiber core which has a protection coating in a metallic pipe which has through holes for emitting internal gas when heated. CONSTITUTION:The metallic tubular body 1 has plural through holes 10 for emitting internal gas in the pipe wall. Then, the optical fiber core 2 formed by covering an optical fiber 3 with a protection coating 4 made of glass fiber reinforced thermosetting resin is stored in the metallic tubular body 1, and a protection layer made of resin which does not impede the emission of the gas is preferably provided to the outer circumference of the metallic tubular body 1 to obtain the target fire-proof cable. Even when this fire-proof cable is heated at about 840 deg.C, the cracked gas, etc., in the metallic tubular body 1 are emitted out easily through the through holes 10, so the optical fiber 3 never break owing to an abnormal increase in the gas pressure in the metallic tubular body 1.

19. 发明专利

JPS59231504A MANUFACTURE OF OPTICAL FIBER UNIT 失效
公开(公告)号：JPS59231504A
公开(公告)日：1984-12-26
申请号：JP10631983
申请日：1983-06-14
申请人： FURUKAWA ELECTRIC CO LTD
发明人： YANAGAWA HISAHARU , KUMAZAWA KINYA , KOKAYU MIKIO
IPC分类号： G02B6/44 , G02B5/16
摘要： PURPOSE:To obtain an optical fiber unit with good connection workability efficiently by charging a filler in an optical fiber unit formed by stranding optical fiber cores around a high tensile wire and forming a hard protection layer successively in a tandem process. CONSTITUTION:Optical fiber cores 2 from supplies 21 are stranded around the high tensile wire 1 from a supply 20 and the gel filler is supplied to the outer circumference from a filler supplying device 22. This filler is adjusted to desired hardness in an ultrasonic-ray hardening furnace 24 and the hard coating layer is formed around the outer circumference by a hard coating layer supplying device 25. The continuous operation in this tandem process eliminates the need to decrease connection workability by hardening the filler so as to improve manufacture efficiency in a process wherein the filler charging and coating layer formation are performed independently, and the optical fiber unit having good connection workability is manufactured efficiently in the continuous operation.

20. 发明专利

JPH02112248A MANUFACTURE OF TAPE CARRIER 失效
公开(公告)号：JPH02112248A
公开(公告)日：1990-04-24
申请号：JP26417588
申请日：1988-10-21
申请人： FURUKAWA ELECTRIC CO LTD
发明人： KUMAZAWA KINYA , SEKI OSAMU
IPC分类号： H01L21/60 , H05K1/03 , H05K3/00
摘要： PURPOSE:To reduce a manufacturing cost by decreasing the number of processes and securely remove impurity ions by treating a silver foil using a plasma by means of a non-oxidizing gas and by disposing a device hole and sprocket holes after boring them by exposing and developing selectively a resin layer itself after using a photosensitive polyimide resin. CONSTITUTION:After treating the surface of an electrolytic copper foil 1 with AC plasma by means of a non-oxidizing gas, a photosensitive polyimide resin precursory substance solution is applied on the above surface treated using a plasma through a screen printing process to form a double layer substrate. Subsequently, a photoresist 3 is applied on the surface of the foregoing copper foil 1. After drying it, it is exposed and developed by using a photomask for forming a conductor pattern and after that, the copper foil 1 is etched to form the conductor pattern. Then a photomask for making a device hole and sprocket holes is placed on the faces of the conductor pattern and a photosensitive polyimide resin 2 and then, its resin 2 is exposed selectively and its development is obtained. In this way, the device hole 4 and sprocket holes 5 are bored and disposed after removing unnecessary parts.

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