Via hole forming method using electrophotographic printing method

A via hole forming method and a multilayered board manufacturing method improve manufacturing yield by reducing the required processes. The via hole forming method includes a first step of forming a toner image by attaching toner particles, containing a conductive material and having a protruding po...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAI NORIO, ISEBO KAZUHIRO, KAWAKAMI KENJI, OGAWA NOBUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY CINEMATOGRAPHY COMBINED OPERATIONS DECORATIVE ARTS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY ELECTROPHOTOGRAPHY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GLASS HOLOGRAPHY MACHINE TOOLS MAGNETOGRAPHY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MINERAL OR SLAG WOOL MOSAICS OTHER WORKING OF METAL PAPERHANGING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRINTED CIRCUITS PRODUCING DECORATIVE EFFECTS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TARSIA WORK TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING UNIVERSAL MACHINE TOOLS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A via hole forming method and a multilayered board manufacturing method improve manufacturing yield by reducing the required processes. The via hole forming method includes a first step of forming a toner image by attaching toner particles, containing a conductive material and having a protruding portion, onto the surface of a first photosensitive member so that the protruding portion is directed to the outside; and a second step of opposing the surface of the first photosensitive member to one principal surface of a green sheet containing an insulating material and transferring the toner image to the one principal surface of the green sheet so that the protruding portions of the toner particles protrude into the green sheet so as to reach the other principal surface of the green sheet and the toner particles are buried in the green sheet. The via holes are formed using an electrophotographic printing method.