Abstract:
PROBLEM TO BE SOLVED: To provide a method of manufacturing a base material for a printed board suitable for the printed board of multilayer structure collectively formed by heating while pressurized. SOLUTION: The method of manufacturing the base material 40 for the printed board, which is formed by integrating resin base materials 10, 11, 12 comprising a thermoplastic resin and a fabric base material 20 comprising a material having a melting point higher than that of the thermoplastic resin, and is used in the printed board of multilayer structure collectively formed by heating while pressurized, includes an integration process wherein the resin base materials and the fabric base material are supplied to paired rolls 60, 61, a laminate including the resin base materials and the fiber base material is sandwiched by the rolls in its laminating direction while the thermoplastic resin is softened by heating, the thermoplastic resin is impregnated into the fiber base material, so that the base material for the printed board in which the resin base material and the fiber base material are integrated. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an apparatus for manufacturing a printed circuit board that improves the number of times for reuse of a buffer member, which is provided to reduce variations of pressure applied to each part of a laminate. SOLUTION: In the apparatus, a pressing die includes a lower pressing part wherein a buffer member is disposed between the surface of a laminate and the lower pressing part, an upper pressing part which has a portion facing the other surface of the laminate and a portion facing the buffer member and is away from the buffer member at least in pre-heat-pressing state, and a circular frame which surrounds a whole area of a side surface of the buffer member and is integrated with only the lower pressing part at least upon heat pressing. Before pressing and heating, the laminate, a second pressing part, and the buffer member define an escape space therebetween for escaping the buffer member. A lip is arranged on a surface facing the surface of the laminate while protruding from the frame toward the laminate, and it is deformed following the deformation of the buffer member caused by pressing and comes in contact with the upper pressing part facing the buffer member. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a multilayered substrate capable of shortening a heating time, and a hot press. SOLUTION: A laminate 50, which is obtained by laminating an insulating layer and a conductor layer, is arranged between a pair of the hot press plates 20a and 20b of the hot press 10 and heated and pressed from both upper and under surfaces thereof by the hot press plates 20a and 20b to manufacture the multilayered substrate. At this time, the laminate 50 is heated and pressed in a state that an auxiliary plate 30, which is excellent in heat conductivity and has length not obstructing the pressure to the laminate 50 by the hot press plates 20a and 20b, is arranged to the side surface of the laminate 50 and first cushioning materials 40, which are excellent in heat conductivity and can be deformed upon the reception of the pressure from the hot press plates 20a and 20b, are arranged between the end surfaces of the auxiliary plate 30 and the hot press plates 20a and 20b. By this constitution, the heat of the hot press plates 20a and 20b is transmitted to the laminate 50 from the side surface thereof through the first cushioning materials 40 and the auxiliary plate 30 to shorten a heating time. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a method of producing a multilayer substrate in which positional shift of a conductor pattern accompanying the flowing of a resin in the plane direction can be reduced, and to provide a multilayer substrate being formed by that method. SOLUTION: A laminate 10 of a plurality of a single side conductor pattern films 1 is heated and pressed and bonded to a resin film 2 thus forming a multilayer substrate 20. In the hot press process, a second cushion member 50 of a specified thickness exhibiting cushion effect is interposed between the peripheral part 11 of the laminate 10 and a hot press plate 30. The peripheral part 11 is pressed earlier than the central part 12 and compressed with a higher pressure as compared with the central part 12. Consequently, the flow of softened resin in the direction from the central part 12 to the peripheral part 11 can be controlled and positional shift of the conductor pattern 3 can be reduced. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a multilayer wiring board which ensures reliability in interlayer connection, while achieving high density in a wiring pattern, and provide a method for its manufacturing. SOLUTION: The multilayer wiring board 101 has an arrangement wherein resin films 23 and wiring patterns 22 are alternately stacked. In order to establish an electrical connection between the wiring patterns 22 which are adjacent to each other in the stacking direction, via holes 24 provided in the resin film 23 are filled with conductive compositions 51. In connecting the conductive compositions 51 through lands 22a in the wiring patterns 22 throughout a plurality of the resin films 23, a limit is set in the number of the conductive compositions 51 to be formed coaxially, and when the number exceeds the limit, the excess conductive compositions 51 are formed at positions deviated from the coaxially positioned conductive compositions 51. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a multilayer substrate having electrodes on both surfaces capable of reducing a manufacturing cost without complicating a processing step. SOLUTION: The method for manufacturing the multilayer substrate comprises the steps of laminating a one-side conductor pattern film 21 (Figs. (a) to (c)) in which a conductor pattern 22 is formed only on one side surface of a resin film 23, a via hole 24 is formed and a conductive paste 50 is charged and a one-side conductor pattern film 31 in which a conductor pattern 22 is formed only on one side surface of the film 23, and the film 23 is perforated and removed so as to expose an electrode 23, laminating a cover layer 36 which is perforated to expose an electrode 37 on a lowermost layer (Fig. (d)), and hot pressing the laminate to thereby manufacture the multilayer substrate 100 having the electrodes on both of the surfaces.
Abstract:
PROBLEM TO BE SOLVED: To provide a printed board and its manufacturing method, capable of simplifying a structure and a manufacturing process, which has sections with different number of layers of conductor pattern. SOLUTION: Conductor pattern films 21 filled with a conductive paste 50 are laminated in a via hole 24 of a thermo-plastic resin film 23 where a conductor pattern 22 is formed, which is collectively heat-pressed through a buffer material 31, to provide a multilayer printed board 10 having sections of different number of layers of a conductor pattern 22. Since the insulating base materials 23 are all formed of the same themo-plastic resin, it is not required to provide a working process for each material of the insulating base material, resulting in no complicate manufacturing process. Thus a manufacturing cost is lowered.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for connecting connector to flexible printed circuit board with which production costs can be reduced while securing reliabil ity in an electric connecting part. SOLUTION: First, as shown in Figure (a), a connector 20 is located while being overlapped on a flexible printed circuit board 1 by aligning a land 12a and a lead part 22a. Next, as shown in Figure (b), while pressing the connecting spot of overlapping the flexible printed circuit board 1 and the connector 20 with a thermocompression bonding tool 31, the connecting spot is heated so that a temperature thereof can become higher than the melting temperature of solders 13a and 13b, and can become higher than the softening temperature of an insulating substrate 11a. Thus, the connection of the land 12a and the lead 22a by the solders 13 can be performed simultaneously with the adhesion of an adhesive part 11d and a lower end face 21b.