Integral heater for reworking MCMS and other semiconductor components
A multi-chip module or other electronic semiconductor component (1) contains a multi-layer substrate (9) whose bottom surface, the bottom of the bottom layer (15) of that substrate, serves as the bonding surface for bonding the multi-chip module or component to a printed wiring board (8) using a the...
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| creator | BERKELY RYAN S MASSEY MARY C VANLIEW STEVEN F MCMULLEN, III WILLIAM E |
| description | A multi-chip module or other electronic semiconductor component (1) contains a multi-layer substrate (9) whose bottom surface, the bottom of the bottom layer (15) of that substrate, serves as the bonding surface for bonding the multi-chip module or component to a printed wiring board (8) using a thermally sensitive adhesive, such as a thermally sensitive adhesive or solder. The bottom layer (15) of that multi-layer substrate integrally includes a plurality of electrical heaters (16-28), arranged side by side. When energized with appropriate current, the heater generates sufficient heat to weaken the adhesive bond, allowing the MCM to be pulled away from the printed wiring board and removed, without weakening the bonding of the multiple layers of the laminate substrate or weakening the MCM component's bond to that substrate. |
| format | Patent |
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The bottom layer (15) of that multi-layer substrate integrally includes a plurality of electrical heaters (16-28), arranged side by side. When energized with appropriate current, the heater generates sufficient heat to weaken the adhesive bond, allowing the MCM to be pulled away from the printed wiring board and removed, without weakening the bonding of the multiple layers of the laminate substrate or weakening the MCM component's bond to that substrate.</description><edition>7</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 ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; PRINTED CIRCUITS ; SEMICONDUCTOR DEVICES ; 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</subject><creationdate>2000</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=20000229&DB=EPODOC&CC=US&NR=6031729A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000229&DB=EPODOC&CC=US&NR=6031729A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BERKELY; RYAN S</creatorcontrib><creatorcontrib>MASSEY; MARY C</creatorcontrib><creatorcontrib>VANLIEW; STEVEN F</creatorcontrib><creatorcontrib>MCMULLEN, III; WILLIAM E</creatorcontrib><title>Integral heater for reworking MCMS and other semiconductor components</title><description>A multi-chip module or other electronic semiconductor component (1) contains a multi-layer substrate (9) whose bottom surface, the bottom of the bottom layer (15) of that substrate, serves as the bonding surface for bonding the multi-chip module or component to a printed wiring board (8) using a thermally sensitive adhesive, such as a thermally sensitive adhesive or solder. 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The bottom layer (15) of that multi-layer substrate integrally includes a plurality of electrical heaters (16-28), arranged side by side. When energized with appropriate current, the heater generates sufficient heat to weaken the adhesive bond, allowing the MCM to be pulled away from the printed wiring board and removed, without weakening the bonding of the multiple layers of the laminate substrate or weakening the MCM component's bond to that substrate.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SEMICONDUCTOR DEVICES 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 |
| title | Integral heater for reworking MCMS and other semiconductor components |
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