METHOD AND APPARATUS FOR REMOVING KNOWN GOOD DIE
A method and structure is disclosed for detaching a chip from a substrate that delays the delivery of shear force to the chip until the connectors attaching the chip to the substrate are soft enough that the delivery of shear force will not damage the chip's connectors. More particularly, the s...
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| creator | BOLDE LANNIE R KAPAMMER MARK W COVELL JAMES H |
| description | A method and structure is disclosed for detaching a chip from a substrate that delays the delivery of shear force to the chip until the connectors attaching the chip to the substrate are soft enough that the delivery of shear force will not damage the chip's connectors. More particularly, the shear force is created by a bimetallic disk that, when heat is applied, is transformed into shearing force. The shearing force is delayed by a delaying device until the connectors connecting the chip to the substrate are soft enough that the application of shear force will separate the chip from the substrate without damaging the chip's connectors. The delaying device includes a physical gap that may be adjusted to control when the shear force is applied to the chip. |
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More particularly, the shear force is created by a bimetallic disk that, when heat is applied, is transformed into shearing force. The shearing force is delayed by a delaying device until the connectors connecting the chip to the substrate are soft enough that the application of shear force will separate the chip from the substrate without damaging the chip's connectors. The delaying device includes a physical gap that may be adjusted to control when the shear force is applied to the chip.</description><language>eng</language><subject>APPARATUS FOR MAKING BEVERAGES ; BASIC ELECTRIC ELEMENTS ; CLADDING OR PLATING BY SOLDERING OR WELDING ; COFFEE MILLS ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; DOMESTIC ARTICLES OR APPLIANCES ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FURNITURE ; HUMAN NECESSITIES ; KITCHEN EQUIPMENT ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SEMICONDUCTOR DEVICES ; SOLDERING OR UNSOLDERING ; SPICE MILLS ; SUCTION CLEANERS IN GENERAL ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2007</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=20070315&DB=EPODOC&CC=US&NR=2007057024A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25546,76297</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070315&DB=EPODOC&CC=US&NR=2007057024A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BOLDE LANNIE R</creatorcontrib><creatorcontrib>KAPAMMER MARK W</creatorcontrib><creatorcontrib>COVELL JAMES H</creatorcontrib><title>METHOD AND APPARATUS FOR REMOVING KNOWN GOOD DIE</title><description>A method and structure is disclosed for detaching a chip from a substrate that delays the delivery of shear force to the chip until the connectors attaching the chip to the substrate are soft enough that the delivery of shear force will not damage the chip's connectors. More particularly, the shear force is created by a bimetallic disk that, when heat is applied, is transformed into shearing force. The shearing force is delayed by a delaying device until the connectors connecting the chip to the substrate are soft enough that the application of shear force will separate the chip from the substrate without damaging the chip's connectors. 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More particularly, the shear force is created by a bimetallic disk that, when heat is applied, is transformed into shearing force. The shearing force is delayed by a delaying device until the connectors connecting the chip to the substrate are soft enough that the application of shear force will separate the chip from the substrate without damaging the chip's connectors. The delaying device includes a physical gap that may be adjusted to control when the shear force is applied to the chip.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR MAKING BEVERAGES BASIC ELECTRIC ELEMENTS CLADDING OR PLATING BY SOLDERING OR WELDING COFFEE MILLS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DOMESTIC ARTICLES OR APPLIANCES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FURNITURE HUMAN NECESSITIES KITCHEN EQUIPMENT MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SEMICONDUCTOR DEVICES SOLDERING OR UNSOLDERING SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | METHOD AND APPARATUS FOR REMOVING KNOWN GOOD DIE |
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