GERÄT UND METHODE ZUR AUSWERTUNG EINES LOTHÖCKERZUSAMMENMBAUS, UND DAZU GEHÖRENDE HALBLEITERHERSTELLUNGSVORRICHTUNG UND VERFAHREN
When electrodes (13) on an electronic component (150) and electrode portions (21) on a circuit board (20) are joined via bumps (11, 12) with the electronic component and the circuit board vibrated respectively, a vibration damping detect device (140) and a deciding device (141) detect damping of the...
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| creator | TSUJISAWA, TAKAFUMI TAKAHASHI, KENJI KANAYAMA, SHINJI EGUCHI, SHINZO KAMETANI, YASUHIRO MINAMITANI, SHOZO WADA, HIROSHI AKITA, MAKOTO HIGASHI, KAZUSHI OKAMOTO, KENJI |
| description | When electrodes (13) on an electronic component (150) and electrode portions (21) on a circuit board (20) are joined via bumps (11, 12) with the electronic component and the circuit board vibrated respectively, a vibration damping detect device (140) and a deciding device (141) detect damping of the vibration caused by a progress of joining between the bumps and the electrode portions, and then determine a good or defective of the joining on a basis of the damping of the vibration. Further, regarding an impedance of an ultrasonic oscillator (133), a movement amount of a nozzle (93), or a current supplying to a VCM (121), these waveforms during the joining are compared with waveforms of good joining thereof and then the good or defective is determined. According to the above constructions, the good or defective of the joining between the electronic component and the circuit board can be determined during the joining. Further, when a joining state becomes wrong during the joining, the joining state can be changed. Thus generation of defective components is prevented and a yield can be improved. |
| format | Patent |
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Further, regarding an impedance of an ultrasonic oscillator (133), a movement amount of a nozzle (93), or a current supplying to a VCM (121), these waveforms during the joining are compared with waveforms of good joining thereof and then the good or defective is determined. According to the above constructions, the good or defective of the joining between the electronic component and the circuit board can be determined during the joining. Further, when a joining state becomes wrong during the joining, the joining state can be changed. Thus generation of defective components is prevented and a yield can be improved.</description><language>ger</language><subject>BASIC ELECTRIC ELEMENTS ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SEMICONDUCTOR DEVICES ; SOLDERING OR UNSOLDERING ; 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=20070628&DB=EPODOC&CC=DE&NR=69934243T2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070628&DB=EPODOC&CC=DE&NR=69934243T2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TSUJISAWA, TAKAFUMI</creatorcontrib><creatorcontrib>TAKAHASHI, KENJI</creatorcontrib><creatorcontrib>KANAYAMA, SHINJI</creatorcontrib><creatorcontrib>EGUCHI, SHINZO</creatorcontrib><creatorcontrib>KAMETANI, YASUHIRO</creatorcontrib><creatorcontrib>MINAMITANI, SHOZO</creatorcontrib><creatorcontrib>WADA, HIROSHI</creatorcontrib><creatorcontrib>AKITA, MAKOTO</creatorcontrib><creatorcontrib>HIGASHI, KAZUSHI</creatorcontrib><creatorcontrib>OKAMOTO, KENJI</creatorcontrib><title>GERÄT UND METHODE ZUR AUSWERTUNG EINES LOTHÖCKERZUSAMMENMBAUS, UND DAZU GEHÖRENDE HALBLEITERHERSTELLUNGSVORRICHTUNG UND VERFAHREN</title><description>When electrodes (13) on an electronic component (150) and electrode portions (21) on a circuit board (20) are joined via bumps (11, 12) with the electronic component and the circuit board vibrated respectively, a vibration damping detect device (140) and a deciding device (141) detect damping of the vibration caused by a progress of joining between the bumps and the electrode portions, and then determine a good or defective of the joining on a basis of the damping of the vibration. Further, regarding an impedance of an ultrasonic oscillator (133), a movement amount of a nozzle (93), or a current supplying to a VCM (121), these waveforms during the joining are compared with waveforms of good joining thereof and then the good or defective is determined. According to the above constructions, the good or defective of the joining between the electronic component and the circuit board can be determined during the joining. Further, when a joining state becomes wrong during the joining, the joining state can be changed. 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Further, regarding an impedance of an ultrasonic oscillator (133), a movement amount of a nozzle (93), or a current supplying to a VCM (121), these waveforms during the joining are compared with waveforms of good joining thereof and then the good or defective is determined. According to the above constructions, the good or defective of the joining between the electronic component and the circuit board can be determined during the joining. Further, when a joining state becomes wrong during the joining, the joining state can be changed. Thus generation of defective components is prevented and a yield can be improved.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SEMICONDUCTOR DEVICES SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | GERÄT UND METHODE ZUR AUSWERTUNG EINES LOTHÖCKERZUSAMMENMBAUS, UND DAZU GEHÖRENDE HALBLEITERHERSTELLUNGSVORRICHTUNG UND VERFAHREN |
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