Electrochemical interconnection
Processes for fabricating electrochemical interconnections between semiconductor chip pads and substrate pads. First, pads on a substrate are electrically shorted by depositing a film of conductive metal, conductive bumps are created on the substrate pads, and the pads on the substrate are aligned w...
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| creator | HELBER, JR. CARLYLE L LUDWIG FRANK A |
| description | Processes for fabricating electrochemical interconnections between semiconductor chip pads and substrate pads. First, pads on a substrate are electrically shorted by depositing a film of conductive metal, conductive bumps are created on the substrate pads, and the pads on the substrate are aligned with pads on a semiconductor chip. Then, by electrochemically depositing metal to the bumps, electrical interconnections are formed between the semiconductor chips pads and the substrate pads. Finally, the film of conductive metal is removed to eliminate the electrical shorting. The resulting electrochemical interconnections are highly reliable and have high tensile strengths. |
| format | Patent |
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First, pads on a substrate are electrically shorted by depositing a film of conductive metal, conductive bumps are created on the substrate pads, and the pads on the substrate are aligned with pads on a semiconductor chip. Then, by electrochemically depositing metal to the bumps, electrical interconnections are formed between the semiconductor chips pads and the substrate pads. Finally, the film of conductive metal is removed to eliminate the electrical shorting. The resulting electrochemical interconnections are highly reliable and have high tensile strengths.</description><edition>5</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; PRINTED CIRCUITS ; SEMICONDUCTOR DEVICES</subject><creationdate>1994</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=19940301&DB=EPODOC&CC=US&NR=5290423A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940301&DB=EPODOC&CC=US&NR=5290423A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HELBER, JR.; CARLYLE L</creatorcontrib><creatorcontrib>LUDWIG; FRANK A</creatorcontrib><title>Electrochemical interconnection</title><description>Processes for fabricating electrochemical interconnections between semiconductor chip pads and substrate pads. 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First, pads on a substrate are electrically shorted by depositing a film of conductive metal, conductive bumps are created on the substrate pads, and the pads on the substrate are aligned with pads on a semiconductor chip. Then, by electrochemically depositing metal to the bumps, electrical interconnections are formed between the semiconductor chips pads and the substrate pads. Finally, the film of conductive metal is removed to eliminate the electrical shorting. The resulting electrochemical interconnections are highly reliable and have high tensile strengths.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SEMICONDUCTOR DEVICES |
| title | Electrochemical interconnection |
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