Abstract:
PROBLEM TO BE SOLVED: To provide a new manufacturing method of a keypad capable of supplying products fast on demand, and a keypad structure.SOLUTION: A key cap layer 101 is punched (105) to form at least a key cap component used to assembly a keypad semi-product (106). The keypad semi-product is kept in a storage place (107). A pattern is provided. After a demand of the pattern is confirmed (108), the keypad semi-product is fetched and a hard coating is partially removed to form the confirmed pattern (109) to complete a keypad structure. A keypad structure and a keypad semi-structure are also provided.
Abstract:
PROBLEM TO BE SOLVED: To provide a light guide plate structure achieving local illumination and preventing light leakage, and a method for manufacturing the light guide plate structure.SOLUTION: In a light guide plate structure including a light guide layer and at least one light shielding line, the light shielding line includes an ink, is provided within the light guide layer, and blocks light transmitted from the whole light guide layer. The light shielding line is provided to transmit light only in an individual region within the light guide layer or to prevent light leakage. In a method for manufacturing the light guide plate structure, surface modification is performed on a light guide layer, and an ink is printed on the modified surface of the light guide layer so that the ink is permeated in the light guide layer and a light shielding line is formed in the light guide layer.
Abstract:
PROBLEM TO BE SOLVED: To provide a keypad plunger structure satisfying a requirement for reduced thickness while maintaining an excellent key press feeling, and a method of manufacturing the keypad plunger structure.SOLUTION: According to the method, a polymer film (such as a PET film) and a plunger material layer (such as a silicone rubber) are integrally molded to form an integrally molded article including the polymer film and a plurality of plungers. The integrally molded article is utilized to attach a plurality of metal domes on a printed wiring board through an adhesive layer. The plungers are located correspondingly to the metal domes. Before performing the integral molding, the other side of the polymer film may be connected with an adhesive and a release paper. This configuration further facilitates the manufacturing.
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a key cap structure and a keyboard equipped with the key cap structure. SOLUTION: Firstly, an upper side coloring layer and then a lower side coloring layer are printed on a film; the film is hot-pressed to form a thin type shell and a plastic injection-molded layer is formed on the lower side coloring layer by a plastic injection-molding process; and lastly, the film including the plastic injection-molded layer is cut or punched to form a plurality of key cap structures. Further, the key cap structures and a series of keyboard members are assembled to form a key board equipped with the key cap structure. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a multilayer flexible printed circuit board which satisfies a requirement of downsizing a product by reducing thickness of the product, improves yield and reduces the problem of cross-talk between electric circuits, and a method of manufacturing the same.SOLUTION: A multilayer flexible printed circuit board comprises: at least one electric circuit unit disposed on a vertical interval layer. At least both sides of the electric circuit unit are covered by a horizontal interval layer and another vertical interval layer formed from electric insulating layers. By using a non-pressing method to stack layer structures of the multilayer flexible printed circuit board, occurrence of a crevice between layers is reduced, yield is improved, thickness is reduced and a problem of cross-talk between electric circuits can be avoided.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for forming a metal button.SOLUTION: The method for forming a metal button includes the steps of: providing a metal material for a shell; stamping the metal material for a shell to form a button shell that includes a thin shall, a storage part and a plurality of first round corners; placing a metal filling blank in the storage part of the button shell; and then pressing the metal filling blank with a forging pressure to fully fill the metal filling blank in the storage part of the button shell to form a solid metal button.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a metal-plastic composite body, more specifically, a method for bonding a plastic member to a metal housing.SOLUTION: The metal housing 10 has an inner face and an outer face. Physical treatment is performed on the inner face of the metal housing 10 to form a bonding region. An adhesive layer is formed on the bonding region. A plastic molding member 12 is formed on the adhesive layer by plastic injection molding.
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a key cap structure capable of forming a complicated pattern even on an uneven surface. SOLUTION: The manufacturing method of a key cap structure comprises a colored plastic body molding process 11, a final coating spraying process 12, a calcining process 13, a laser engraving process 14, a transparent layer coating process 15, and a finishing process 16. A final coating is applied on a processing object surface of the colored plastic body by spray-coating. The colored plastic body and the final coating are calcined and the final coating is cured. The final coating is laser-beam-treated to form at least one hollow part. At least one patterned part is structured in the hollow part of the final coating and a corresponding treated surface. The patterned part and the final coating are covered by a transparent layer to protect the patterned part and the final coating, and a key cap structure is obtained from the colored plastic body. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a precursor substrate, a flexible printed board and a manufacturing method thereof capable of improving the performance and value of a product, reducing waste of a material and also showing an environmental protection effect by reducing the thickness of the product, saving a time and cost required for production, and avoiding a problem of the waste of the material caused by a large amount of etching.SOLUTION: A flexible printed board comprises at least one lamination unit provided on the board, and the lamination unit includes a catalyst layer positioned on the surface of the board, a first conductive layer bonded to the catalyst layer, and a second catalyst layer positioned on the first conductive layer. The catalyst layer is a palladium layer, and the first conductive layer is preferably a nickel layer, and the board is made of a polyimide material. By the catalyst layer, a cost problem of a material source of the flexible printed board can be solved by distributing to fastening of the first conductive layer onto the board, and also a crosstalk problem between electric circuits can be improved by reducing the thickness.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a metal-plastic composite body, more specifically, a method for bonding a plastic member to a metal housing.SOLUTION: The metal housing 10 having an inner face and an outer face is provided. The metal housing 10 has a region which is engraved in a hollow shape. Physical treatment is performed on the inner face of the metal housing 10 to form a bonding region. An adhesive layer is formed on the bonding region. By implementing first injection molding, a plastic molding member 12 is formed on the adhesive layer. By implementing second injection molding, an optical plastic member 14 is molded within the region which is engraved in a hollow shape.