摘要:
PROBLEM TO BE SOLVED: To provide a joining sheet with good solder fusing, capable of making easy solder joining; electronic components and production method thereof.SOLUTION: A joining sheet 5 includes a solder particle 4, a thermosetting resin, a thermoplastic resin and blocked carboxylic acid. A production method of an electronic components 9 comprises preparing a laminate 6 in which the joining sheet 5 is disposed between two wiring circuit boards 2 where corresponding terminals 1 are arranged oppositely with a space to each other, and heating the laminate 6 at or above a temperature of higher one among a dissociation temperature of the blocked carboxylic acid and a melting point of the solder particle 4.
摘要:
PROBLEM TO BE SOLVED: To provide a wiring circuit board which improves heat dissipation and can easily recognize dislocation of an electronic component, and to provide a method of manufacturing the wiring circuit board. SOLUTION: A rectangular mounting region S is arranged in an almost center of one face of an insulating layer 1. A plurality of conductor patterns 2 are formed so that they extend from an inner side to an external side of the mounting region S. A cover insulating layer 4 is formed to cover a plurality of the conductor patterns 2 at a periphery of the mounting region S. The electronic component 5 is mounted on the insulating layer 1 so that it is overlapped with the mounting region S. A metal layer 3 is arranged on the other face of the insulating layer 1. Rectangular openings 3a to 3f are formed on the metal layer 3 so that they follow a pair of long sides and a pair of short sides of the mounting region S. The openings 3a to 3f face part of a terminal part 21 of each conductor pattern 2 across the insulating layer 1. COPYRIGHT: (C)2009,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a wiring circuit board which is improved in a heat dissipation property while excellently keeping the connection to an electronic component. SOLUTION: On the almost center part of one surface of an insulating layer 1, a mounting region S is provided. A conductor pattern 2 is formed so as to extend from the inner side of the mounting region S to the outer side. Around the mounting region S, a cover insulating layer 4 is formed so as to cover the conductor pattern 2. The terminal part 21 of the conductor pattern 2 is disposed on the mounting region S, and the bump of the electronic component 5 is bonded to the terminal part 21. On the other surface of the insulating layer 1, a metal layer 3 composed of copper, for instance, is provided. On the metal layer 3, a pair of slits 3a is formed so as to clamp a region facing the electronic component 5. The respective slits 3a are formed so as not to divide the metal layer 3 into a plurality of regions. COPYRIGHT: (C)2009,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a wiring circuit board which allows a structure of a fuel cell to be simplified, and to provide a fuel cell and a method for manufacturing the wiring circuit board.SOLUTION: An FPC board 1 comprises a base insulating layer 2 made of a porous material having continuous pores. As a material of the base insulating layer 2, for example, a porous ePTFE (expanded polytetrafluoroethylene) having continuous pores is used. A conductor pattern 3 made of, for example, copper is formed on one surface of the base insulating layer 2 via an adhesive pattern 7. A coating layer 6 made of, for example, silver is formed so as to cover a surface of the conductor pattern 3.
摘要:
PROBLEM TO BE SOLVED: To provide a wiring circuit board, a fuel battery, and a method for manufacturing a wiring circuit board which can simplify the structure of the fuel battery.SOLUTION: An FPC substrate 1, an electrode film 35, and a fuel storage chamber 50 are stored in a casing 40. At the FPC substrate 1, a plurality of power collection portions 3e and 3j are conjoined over a base insulating layer 2 through an adhesive pattern 7. The base insulating layer 2 is made of porous ePTFE and has air permeability. Holes H11 and H12 are formed in the power collection portions 3e and 3j. The adhesive pattern 7 has the same shape as the plurality of power collection portions 3e and 3j. The FPC substrate 1 is sandwiched between an upper surface part 41 and a lower surface part 42 of the casing 40 with the FPC substrate 1 being bent along a bent part B1. The electrode film 35 is provided between the plurality of power collection portions 3e and 3j of the FPC substrate 1. The fuel storage chamber 50 is provided between the FPC substrate 1 and the lower surface part 42 so as to be in contact with the base insulating layer 2. Liquid fuel is supplied to the fuel storage chamber 50.
摘要:
PROBLEM TO BE SOLVED: To provide a wiring circuit board which sufficiently secures heat dissipation and improves connectability with an electronic component, and to provide a method of manufacturing the board. SOLUTION: A mounting region S is arranged in an almost center of one face of an insulating layer 1. A conductor pattern 2 is formed so that it extends from an inner side to an external side of the mounting region S. A cover insulating layer 4 is formed at a periphery of the mounting region S so that the layer covers the conductor pattern 2. Terminal parts 21 of the conductor patterns 2 are disposed on the mounting region S, and bumps of the electronic component 5 are bonded to the terminal parts 21. A metal layer 3 formed of copper, for example, is arranged on the other face of the insulating layer 1. A slit 3a is formed in the metal layer 3 so that it crosses a region confronted with the electronic component 5 and divides the metal layer 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a COF board which is high in connection reliability while increasing packaging density. SOLUTION: A COF board 1 includes a base insulating layer 2; and an inner lead 8 formed on the insulating layer 2, and electrically connected to an IC chip. The inner lead 8 is formed of a first inner lead 12 extended to a longitudinal direction and a second inner lead 13 extended to the longitudinal direction with a longitudinal length L4 shorter than longitudinal length L3 of the first inner lead 12, and a plurality of first inner leads 12 are arranged with intervals in the width direction, and a plurality of second inner leads 13 are arranged so that an overlapped section 14 where the second inner leads 13 are overlapped when the mutually adjacent first inner leads 12 are projected in the width direction and a non-overlapped section 15 in which the second inner leads 13 are not overlapped can be formed between the mutually adjacent first inner leads 12 in the width direction. A dummy lead 16 is formed in the non-overlapped section 15. COPYRIGHT: (C)2009,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a patch and a patch preparation that do not require an acrylic polymer and are capable of holding a large amount of an organic liquid component in an adhesive layer. SOLUTION: The patch includes a support, and an adhesive layer provided on at least one surface of the support, wherein the adhesive layer contains a polyisobutylene, a liquid rubber component having a crosslinkable functional group in a molecule, and an organic liquid component, and the adhesive layer is crosslinked. The patch preparation further contains a medicine in the adhesive layer of the patch. COPYRIGHT: (C)2009,JPO&INPIT