Method for producing wired circuit board
The method for producing a wired circuit board including an insulating layer and a conductive pattern provided on the insulating layer includes the steps of the following: a step (1), in which the insulating layer is provided; a step (2), in which a metal thin film is provided on an inclined face of...
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| creator | Tanabe, Hiroyuki Sugimoto, Yuu |
| description | The method for producing a wired circuit board including an insulating layer and a conductive pattern provided on the insulating layer includes the steps of the following: a step (1), in which the insulating layer is provided; a step (2), in which a metal thin film is provided on an inclined face of the insulating layer; a step (3), in which a photoresist is provided on the metal thin film; a step (4), in which a photomask is disposed so that in the photoresist, a portion where the conductive pattern is to be provided is shielded from light, and the photoresist is exposed to light through the photomask; a step (5), in which the portion of the photoresist shielded from light by the photomask is removed to expose the metal thin film corresponding to the portion; and a step (6), in which the conductive pattern is provided on the metal thin film exposed from the photoresist. When exposing the photoresist, reflection is caused by the metal thin film positioned on the inclined face to reduce light projected to the portion. |
| format | Patent |
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When exposing the photoresist, reflection is caused by the metal thin film positioned on the inclined face to reduce light projected to the portion.</description><language>eng</language><subject>APPARATUS SPECIALLY ADAPTED THEREFOR ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; CINEMATOGRAPHY ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; ELECTROGRAPHY ; HOLOGRAPHY ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; MATERIALS THEREFOR ; ORIGINALS THEREFOR ; PHOTOGRAPHY ; PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES ; PHYSICS ; PRINTED CIRCUITS</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181127&DB=EPODOC&CC=US&NR=10143088B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181127&DB=EPODOC&CC=US&NR=10143088B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Tanabe, Hiroyuki</creatorcontrib><creatorcontrib>Sugimoto, Yuu</creatorcontrib><title>Method for producing wired circuit board</title><description>The method for producing a wired circuit board including an insulating layer and a conductive pattern provided on the insulating layer includes the steps of the following: a step (1), in which the insulating layer is provided; a step (2), in which a metal thin film is provided on an inclined face of the insulating layer; a step (3), in which a photoresist is provided on the metal thin film; a step (4), in which a photomask is disposed so that in the photoresist, a portion where the conductive pattern is to be provided is shielded from light, and the photoresist is exposed to light through the photomask; a step (5), in which the portion of the photoresist shielded from light by the photomask is removed to expose the metal thin film corresponding to the portion; and a step (6), in which the conductive pattern is provided on the metal thin film exposed from the photoresist. 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When exposing the photoresist, reflection is caused by the metal thin film positioned on the inclined face to reduce light projected to the portion.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS SPECIALLY ADAPTED THEREFOR CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CINEMATOGRAPHY ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PRINTED CIRCUITS |
| title | Method for producing wired circuit board |
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