METHOD FOR MANUFACTURING TAPE CARRIER FOR SEMICONDUCTOR DEVICE
PROBLEM TO BE SOLVED: To provide a method for manufacturing a tape carrier for a semiconductor device capable of holding a cross section of a wiring lead which is close to a rectangular section even under conditions that, as a wiring pitch of a circuit, L is 25 μm or less and S is 25 μm or less. SOL...
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creator | MORISHITA SHIGEHIRO |
description | PROBLEM TO BE SOLVED: To provide a method for manufacturing a tape carrier for a semiconductor device capable of holding a cross section of a wiring lead which is close to a rectangular section even under conditions that, as a wiring pitch of a circuit, L is 25 μm or less and S is 25 μm or less. SOLUTION: In a method for manufacturing a tape carrier for a semiconductor device, etching agent 1 is injected by a spray on a copper foil 3 provided on one plane or both planes of an insulating tape base material 5 by a subtract method, and an unwanted location of the copper foil 3 is removed by etching to form a circuit wiring pattern. The etching agent 1 after the spray injection in the etching process is accelerated by using assist air. |
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SOLUTION: In a method for manufacturing a tape carrier for a semiconductor device, etching agent 1 is injected by a spray on a copper foil 3 provided on one plane or both planes of an insulating tape base material 5 by a subtract method, and an unwanted location of the copper foil 3 is removed by etching to form a circuit wiring pattern. The etching agent 1 after the spray injection in the etching process is accelerated by using assist air.</description><edition>7</edition><language>eng</language><subject>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ; ATOMISING APPARATUS ; BASIC ELECTRIC ELEMENTS ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; NOZZLES ; PERFORMING OPERATIONS ; SEMICONDUCTOR DEVICES ; SPRAYING APPARATUS ; SPRAYING OR ATOMISING IN GENERAL ; TRANSPORTING</subject><creationdate>2003</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=20030320&DB=EPODOC&CC=JP&NR=2003086639A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030320&DB=EPODOC&CC=JP&NR=2003086639A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORISHITA SHIGEHIRO</creatorcontrib><title>METHOD FOR MANUFACTURING TAPE CARRIER FOR SEMICONDUCTOR DEVICE</title><description>PROBLEM TO BE SOLVED: To provide a method for manufacturing a tape carrier for a semiconductor device capable of holding a cross section of a wiring lead which is close to a rectangular section even under conditions that, as a wiring pitch of a circuit, L is 25 μm or less and S is 25 μm or less. SOLUTION: In a method for manufacturing a tape carrier for a semiconductor device, etching agent 1 is injected by a spray on a copper foil 3 provided on one plane or both planes of an insulating tape base material 5 by a subtract method, and an unwanted location of the copper foil 3 is removed by etching to form a circuit wiring pattern. 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SOLUTION: In a method for manufacturing a tape carrier for a semiconductor device, etching agent 1 is injected by a spray on a copper foil 3 provided on one plane or both planes of an insulating tape base material 5 by a subtract method, and an unwanted location of the copper foil 3 is removed by etching to form a circuit wiring pattern. The etching agent 1 after the spray injection in the etching process is accelerated by using assist air.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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subjects | APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY NOZZLES PERFORMING OPERATIONS SEMICONDUCTOR DEVICES SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING |
title | METHOD FOR MANUFACTURING TAPE CARRIER FOR SEMICONDUCTOR DEVICE |
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